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[#285] support setting zfs send / recv flags in the config (send: -wLcepbS, recv: -ox)
Co-authored-by: Christian Schwarz <me@cschwarz.com> Signed-off-by: InsanePrawn <insane.prawny@gmail.com> closes #285 closes #276 closes #24
This commit is contained in:
parent
1c937e58f7
commit
393fc10a69
@ -12,6 +12,8 @@ import (
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"github.com/pkg/errors"
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"github.com/zrepl/yaml-config"
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zfsprop "github.com/zrepl/zrepl/zfs/property"
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)
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type Config struct {
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@ -78,14 +80,22 @@ type SnapJob struct {
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type SendOptions struct {
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Encrypted bool `yaml:"encrypted,optional,default=false"`
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Raw bool `yaml:"raw,optional,default=false"`
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SendProperties bool `yaml:"send_properties,optional,default=false"`
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BackupProperties bool `yaml:"backup_properties,optional,default=false"`
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LargeBlocks bool `yaml:"large_blocks,optional,default=false"`
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Compressed bool `yaml:"compressed,optional,default=false"`
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EmbeddedData bool `yaml:"embbeded_data,optional,default=false"`
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Saved bool `yaml:"saved,optional,default=false"`
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}
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type RecvOptions struct {
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// Note: we cannot enforce encrypted recv as the ZFS cli doesn't provide a mechanism for it
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// Encrypted bool `yaml:"may_encrypted"`
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// Future:
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// Reencrypt bool `yaml:"reencrypt"`
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Properties *PropertyRecvOptions `yaml:"properties,fromdefaults"`
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}
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type Replication struct {
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@ -97,6 +107,15 @@ type ReplicationOptionsProtection struct {
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Incremental string `yaml:"incremental,optional,default=guarantee_resumability"`
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}
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func (l *RecvOptions) SetDefault() {
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*l = RecvOptions{Properties: &PropertyRecvOptions{}}
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}
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type PropertyRecvOptions struct {
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Inherit []zfsprop.Property `yaml:"inherit,optional"`
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Override map[zfsprop.Property]string `yaml:"override,optional"`
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}
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type PushJob struct {
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ActiveJob `yaml:",inline"`
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Snapshotting SnapshottingEnum `yaml:"snapshotting"`
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134
config/config_recv_test.go
Normal file
134
config/config_recv_test.go
Normal file
@ -0,0 +1,134 @@
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package config
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import (
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"fmt"
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"testing"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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zfsprop "github.com/zrepl/zrepl/zfs/property"
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)
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func TestRecvOptions(t *testing.T) {
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tmpl := `
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jobs:
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- name: foo
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type: pull
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connect:
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type: local
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listener_name: foo
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client_identity: bar
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root_fs: "zreplplatformtest"
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%s
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interval: manual
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pruning:
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keep_sender:
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- type: last_n
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count: 10
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keep_receiver:
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- type: last_n
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count: 10
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`
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recv_properties_empty := `
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recv:
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properties:
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`
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recv_inherit_empty := `
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recv:
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properties:
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inherit:
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`
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recv_inherit := `
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recv:
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properties:
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inherit:
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- testprop
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`
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recv_override_empty := `
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recv:
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properties:
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override:
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`
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recv_override := `
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recv:
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properties:
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override:
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testprop2: "test123"
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`
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recv_override_and_inherit := `
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recv:
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properties:
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inherit:
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- testprop
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override:
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testprop2: "test123"
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`
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recv_empty := `
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recv: {}
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`
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recv_not_specified := `
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`
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fill := func(s string) string { return fmt.Sprintf(tmpl, s) }
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t.Run("recv_inherit_empty", func(t *testing.T) {
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c := testValidConfig(t, fill(recv_inherit_empty))
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assert.NotNil(t, c)
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})
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t.Run("recv_inherit", func(t *testing.T) {
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c := testValidConfig(t, fill(recv_inherit))
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inherit := c.Jobs[0].Ret.(*PullJob).Recv.Properties.Inherit
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assert.NotEmpty(t, inherit)
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assert.Contains(t, inherit, zfsprop.Property("testprop"))
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})
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t.Run("recv_override_empty", func(t *testing.T) {
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c := testValidConfig(t, fill(recv_override_empty))
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assert.NotNil(t, c)
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})
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t.Run("recv_override", func(t *testing.T) {
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c := testValidConfig(t, fill(recv_override))
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override := c.Jobs[0].Ret.(*PullJob).Recv.Properties.Override
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require.Len(t, override, 1)
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require.Equal(t, "test123", override["testprop2"])
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})
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t.Run("recv_override_and_inherit", func(t *testing.T) {
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c := testValidConfig(t, fill(recv_override_and_inherit))
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inherit := c.Jobs[0].Ret.(*PullJob).Recv.Properties.Inherit
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override := c.Jobs[0].Ret.(*PullJob).Recv.Properties.Override
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assert.NotEmpty(t, inherit)
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assert.Contains(t, inherit, zfsprop.Property("testprop"))
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assert.NotEmpty(t, override)
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assert.Equal(t, "test123", override["testprop2"])
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})
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t.Run("recv_properties_empty", func(t *testing.T) {
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c := testValidConfig(t, fill(recv_properties_empty))
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assert.NotNil(t, c)
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})
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t.Run("recv_empty", func(t *testing.T) {
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c := testValidConfig(t, fill(recv_empty))
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assert.NotNil(t, c)
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})
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t.Run("send_not_specified", func(t *testing.T) {
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c := testValidConfig(t, fill(recv_not_specified))
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assert.NotNil(t, c)
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})
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}
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@ -38,7 +38,41 @@ jobs:
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encrypted: true
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`
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encrypted_unspecified := `
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raw_true := `
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send:
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raw: true
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`
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raw_false := `
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send:
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raw: false
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`
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raw_and_encrypted := `
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send:
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encrypted: true
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raw: true
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`
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properties_and_encrypted := `
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send:
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encrypted: true
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send_properties: true
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`
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properties_true := `
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send:
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send_properties: true
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`
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properties_false := `
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send:
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send_properties: false
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`
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send_empty := `
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send: {}
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`
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@ -46,28 +80,66 @@ jobs:
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`
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fill := func(s string) string { return fmt.Sprintf(tmpl, s) }
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var c *Config
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t.Run("encrypted_false", func(t *testing.T) {
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c = testValidConfig(t, fill(encrypted_false))
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c := testValidConfig(t, fill(encrypted_false))
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encrypted := c.Jobs[0].Ret.(*PushJob).Send.Encrypted
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assert.Equal(t, false, encrypted)
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})
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t.Run("encrypted_true", func(t *testing.T) {
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c = testValidConfig(t, fill(encrypted_true))
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c := testValidConfig(t, fill(encrypted_true))
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encrypted := c.Jobs[0].Ret.(*PushJob).Send.Encrypted
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assert.Equal(t, true, encrypted)
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})
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t.Run("encrypted_unspecified", func(t *testing.T) {
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c = testValidConfig(t, fill(encrypted_unspecified))
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t.Run("send_empty", func(t *testing.T) {
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c := testValidConfig(t, fill(send_empty))
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encrypted := c.Jobs[0].Ret.(*PushJob).Send.Encrypted
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assert.Equal(t, false, encrypted)
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})
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t.Run("properties_and_encrypted", func(t *testing.T) {
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c := testValidConfig(t, fill(properties_and_encrypted))
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encrypted := c.Jobs[0].Ret.(*PushJob).Send.Encrypted
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properties := c.Jobs[0].Ret.(*PushJob).Send.SendProperties
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assert.Equal(t, true, encrypted)
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assert.Equal(t, true, properties)
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})
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t.Run("properties_false", func(t *testing.T) {
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c := testValidConfig(t, fill(properties_false))
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properties := c.Jobs[0].Ret.(*PushJob).Send.SendProperties
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assert.Equal(t, false, properties)
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})
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t.Run("properties_true", func(t *testing.T) {
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c := testValidConfig(t, fill(properties_true))
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properties := c.Jobs[0].Ret.(*PushJob).Send.SendProperties
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assert.Equal(t, true, properties)
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})
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t.Run("raw_true", func(t *testing.T) {
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c := testValidConfig(t, fill(raw_true))
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raw := c.Jobs[0].Ret.(*PushJob).Send.Raw
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assert.Equal(t, true, raw)
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})
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t.Run("raw_false", func(t *testing.T) {
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c := testValidConfig(t, fill(raw_false))
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raw := c.Jobs[0].Ret.(*PushJob).Send.Raw
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assert.Equal(t, false, raw)
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})
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t.Run("raw_and_encrypted", func(t *testing.T) {
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c := testValidConfig(t, fill(raw_and_encrypted))
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raw := c.Jobs[0].Ret.(*PushJob).Send.Raw
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encrypted := c.Jobs[0].Ret.(*PushJob).Send.Encrypted
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assert.Equal(t, true, raw)
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assert.Equal(t, true, encrypted)
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})
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t.Run("send_not_specified", func(t *testing.T) {
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c, err := testConfig(t, fill(send_not_specified))
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assert.NoError(t, err)
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c := testValidConfig(t, fill(send_not_specified))
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assert.NotNil(t, c)
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})
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@ -21,11 +21,19 @@ func buildSenderConfig(in SendingJobConfig, jobID endpoint.JobID) (*endpoint.Sen
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if err != nil {
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return nil, errors.Wrap(err, "cannot build filesystem filter")
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}
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sendOpts := in.GetSendOptions()
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return &endpoint.SenderConfig{
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FSF: fsf,
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Encrypt: &nodefault.Bool{B: in.GetSendOptions().Encrypted},
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JobID: jobID,
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Encrypt: &nodefault.Bool{B: sendOpts.Encrypted},
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SendRaw: sendOpts.Raw,
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SendProperties: sendOpts.SendProperties,
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SendBackupProperties: sendOpts.BackupProperties,
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SendLargeBlocks: sendOpts.LargeBlocks,
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SendCompressed: sendOpts.Compressed,
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SendEmbeddedData: sendOpts.EmbeddedData,
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SendSaved: sendOpts.Saved,
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}, nil
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}
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@ -44,10 +52,14 @@ func buildReceiverConfig(in ReceivingJobConfig, jobID endpoint.JobID) (rc endpoi
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return rc, errors.New("root_fs must not be empty") // duplicates error check of receiver
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}
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recvOpts := in.GetRecvOptions()
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rc = endpoint.ReceiverConfig{
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JobID: jobID,
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RootWithoutClientComponent: rootFs,
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AppendClientIdentity: in.GetAppendClientIdentity(),
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InheritProperties: recvOpts.Properties.Inherit,
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OverrideProperties: recvOpts.Properties.Override,
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}
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if err := rc.Validate(); err != nil {
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return rc, errors.Wrap(err, "cannot build receiver config")
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@ -148,6 +148,22 @@ Incremental sends require that ``@from`` be present on the receiving side when r
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Incremental sends can also use a ZFS bookmark as *from* on the sending side (``zfs send -i #bm_from fs@to``), where ``#bm_from`` was created using ``zfs bookmark fs@from fs#bm_from``.
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The receiving side must always have the actual snapshot ``@from``, regardless of whether the sending side uses ``@from`` or a bookmark of it.
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.. _zfs-background-knowledge-plain-vs-raw-sends:
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**Plain and raw sends**
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By default, ``zfs send`` sends the most generic, backwards-compatible data stream format (so-called 'plain send').
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If the sent uses newer features, e.g. compression or encryption, ``zfs send`` has to un-do these operations on the fly to produce the plain send stream.
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If the receiver uses newer features (e.g. compression or encryption inherited from the parent FS), it applies the necessary transformations again on the fly during ``zfs recv``.
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Flags such as ``-e``, ``-c`` and ``-L`` tell ZFS to produce a send stream that is closer to how the data is stored on disk.
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Sending with those flags removes computational overhead from sender and receiver.
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However, the receiver will not apply certain transformations, e.g., it will not compress with the receive-side ``compression`` algorithm.
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The ``-w`` (``--raw``) flag produces a send stream that is as *raw* as possible.
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For unencrypted datasets, its current effect is the same as ``-Lce``.
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Encrypted datasets can only be sent plain (unencrypted) or raw (encrypted) using the ``-w`` flag.
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**Resumable Send & Recv**
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The ``-s`` flag for ``zfs recv`` tells zfs to save the partially received send stream in case it is interrupted.
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To resume the replication, the receiving side filesystem's ``receive_resume_token`` must be passed to a new ``zfs send -t <value> | zfs recv`` command.
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@ -9,22 +9,62 @@ Send & Recv Options
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Send Options
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~~~~~~~~~~~~
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:ref:`Source<job-source>` and :ref:`push<job-push>` jobs have an optional ``send`` configuration section.
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::
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jobs:
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- type: push
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filesystems: ...
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send:
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encrypted: true
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# flags from the table below go here
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...
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:ref:`Source<job-source>` and :ref:`push<job-push>` jobs have an optional ``send`` configuration section.
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The following table specifies the list of (boolean) options.
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Flags with an entry in the ``zfs send`` column map directly to the zfs send CLI flags.
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zrepl does not perform feature checks for these flags.
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If you enable a flag that is not supported by the installed version of ZFS, the zfs error will show up at runtime in the logs and zrepl status.
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See the `upstream man page <https://openzfs.github.io/openzfs-docs/man/8/zfs-send.8.html>`_ (``man zfs-send``) for their semantics.
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``encryption`` option
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---------------------
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.. list-table::
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:widths: 20 10 70
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:header-rows: 1
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The ``encryption`` variable controls whether the matched filesystems are sent as `OpenZFS native encryption <http://open-zfs.org/wiki/ZFS-Native_Encryption>`_ raw sends.
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More specifically, if ``encryption=true``, zrepl
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* - ``send.``
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- ``zfs send``
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- Comment
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* - ``encrypted``
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-
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- Specific to zrepl, :ref:`see below <job-send-options-encrypted>`.
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* - ``raw``
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- ``-w``
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- Use ``encrypted`` to only allow encrypted sends.
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* - ``send_properties``
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- ``-p``
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- **Be careful**, read the :ref:`note on property replication below <job-note-property-replication>`.
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* - ``backup_properties``
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- ``-b``
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- **Be careful**, read the :ref:`note on property replication below <job-note-property-replication>`.
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* - ``large_blocks``
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- ``-L``
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- **Potential data loss on OpenZFS < 2.0**, see :ref:`warning below <job-send-options-large-blocks>`.
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* - ``compressed``
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- ``-c``
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-
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* - ``embbeded_data``
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- ``-e``
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-
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* - ``saved``
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- ``-S``
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-
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.. _job-send-options-encrypted:
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``encrypted``
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-------------
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The ``encrypted`` option controls whether the matched filesystems are sent as `OpenZFS native encryption <http://open-zfs.org/wiki/ZFS-Native_Encryption>`_ raw sends.
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More specifically, if ``encrypted=true``, zrepl
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* checks for any of the filesystems matched by ``filesystems`` whether the ZFS ``encryption`` property indicates that the filesystem is actually encrypted with ZFS native encryption and
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* invokes the ``zfs send`` subcommand with the ``-w`` option (raw sends) and
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@ -32,14 +72,137 @@ More specifically, if ``encryption=true``, zrepl
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Filesystems matched by ``filesystems`` that are not encrypted are not sent and will cause error log messages.
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If ``encryption=false``, zrepl expects that filesystems matching ``filesystems`` are not encrypted or have loaded encryption keys.
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If ``encrypted=false``, zrepl expects that filesystems matching ``filesystems`` are not encrypted or have loaded encryption keys.
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.. NOTE::
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Use ``encrypted`` instead of ``raw`` to make your intent clear that zrepl must only replicate filesystems that are actually encrypted by OpenZFS native encryption.
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It is meant as a safeguard to prevent unintended sends of unencrypted filesystems in raw mode.
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.. _job-send-options-properties:
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``properties``
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--------------
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Sends the dataset properties along with snapshots.
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Please be careful with this option and read the :ref:`note on property replication below <job-note-property-replication>`.
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.. _job-send-options-backup-properties:
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``backup_properties``
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---------------------
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When properties are modified on a filesystem that was received from a send stream with ``send.properties=true``, ZFS archives the original received value internally.
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This also applies to :ref:`inheriting or overriding properties during zfs receive <job-recv-options--inherit-and-override>`.
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When sending those received filesystems another hop, the ``backup_properties`` flag instructs ZFS to send the original property values rather than the current locally set values.
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This is useful for replicating properties across multiple levels of backup machines.
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**Example:**
|
||||
Suppose we want to flow snapshots from Machine A to B, then from B to C.
|
||||
A will enable the :ref:`properties send option <job-send-options-properties>`.
|
||||
B will want to override :ref:`critical properties such as mountpoint or canmount <job-note-property-replication>`.
|
||||
But the job that replicates from B to C should be sending the original property values received from A.
|
||||
Thus, B sets the ``backup_properties`` option.
|
||||
|
||||
Please be careful with this option and read the :ref:`note on property replication below <job-note-property-replication>`.
|
||||
|
||||
.. _job-send-options-large-blocks:
|
||||
|
||||
``large_blocks``
|
||||
----------------
|
||||
|
||||
This flag should not be changed after initial replication.
|
||||
Prior to `OpenZFS commit 7bcb7f08 <https://github.com/openzfs/zfs/pull/10383/files#diff-4c1e47568f46fb63546e984943b09a3e6b051e2242649523f7835bbdfe2a9110R337-R342>`_
|
||||
it was possible to change this setting which resulted in **data loss on the receiver**.
|
||||
The commit in question is included in OpenZFS 2.0 and works around the problem by prohibiting receives of incremental streams with a flipped setting.
|
||||
|
||||
.. WARNING::
|
||||
|
||||
This bug has **not been fixed in the OpenZFS 0.8 releases** which means that changing this flag after initial replication might cause **data loss** on the receiver.
|
||||
|
||||
.. _job-recv-options:
|
||||
|
||||
Recv Options
|
||||
~~~~~~~~~~~~
|
||||
|
||||
:ref:`Sink<job-sink>` and :ref:`pull<job-pull>` jobs have an optional ``recv`` configuration section.
|
||||
However, there are currently no variables to configure there.
|
||||
:ref:`Sink<job-sink>` and :ref:`pull<job-pull>` jobs have an optional ``recv`` configuration section:
|
||||
|
||||
::
|
||||
|
||||
jobs:
|
||||
- type: pull
|
||||
recv:
|
||||
properties:
|
||||
inherit:
|
||||
- "mountpoint"
|
||||
override: {
|
||||
"org.openzfs.systemd:ignore": "on"
|
||||
}
|
||||
...
|
||||
|
||||
.. _job-recv-options--inherit-and-override:
|
||||
|
||||
``properties``
|
||||
--------------
|
||||
|
||||
``override`` maps directly to the `zfs recv -o flag <https://openzfs.github.io/openzfs-docs/man/8/zfs-recv.8.html>`_.
|
||||
Property name-value pairs specified in this map will apply to all received filesystems, regardless of whether the send stream contains properties or not.
|
||||
|
||||
``inherit`` maps directly to the `zfs recv -x flag <https://openzfs.github.io/openzfs-docs/man/8/zfs-recv.8.html>`_.
|
||||
Property names specified in this list will be inherited from the receiving side's parent filesystem (e.g. ``root_fs``).
|
||||
|
||||
With both options, the sending side's property value is still stored on the receiver, but the local override or inherit is the one that takes effect.
|
||||
You can send the original properties from the first receiver to another receiver using :ref:`send.backup_properties<job-send-options-backup-properties>`.
|
||||
|
||||
|
||||
.. _job-note-property-replication:
|
||||
|
||||
A Note on Property Replication
|
||||
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
|
||||
|
||||
If a send stream contains properties, as per ``send.properties`` or ``send.backup_properties``,
|
||||
the default ZFS behavior is to use those properties on the receiving side, verbatim.
|
||||
|
||||
In many use cases for zrepl, this can have devastating consequences.
|
||||
For example, when backing up a filesystem that has ``mountpoint=/`` to a storage server,
|
||||
that storage server's root filesystem will be shadowed by the received file system on some platforms.
|
||||
Also, many scripts and tools use ZFS user properties for configuration and do not check the property source (``local`` vs. ``received``).
|
||||
If they are installed on the receiving side as well as the sending side, property replication could have unintended effects.
|
||||
|
||||
**zrepl currently does not provide any automatic safe-guards for property replication:**
|
||||
|
||||
* Make sure to read the entire man page on zfs recv (`man zfs recv <https://openzfs.github.io/openzfs-docs/man/8/zfs-recv.8.html>`_) before enabling this feature.
|
||||
* Use ``recv.properties.override`` whenever possible, e.g. for ``mountpoint=none`` or ``canmount=off``.
|
||||
* Use ``recv.properties.inherit`` if that makes more sense to you.
|
||||
|
||||
Below is an **non-exhaustive list of problematic properties**.
|
||||
Please open a pull request if you find a property that is missing from this list.
|
||||
(Both with regards to core ZFS tools and other software in the broader ecosystem.)
|
||||
|
||||
Mount behaviour
|
||||
---------------
|
||||
|
||||
* ``mountpoint``
|
||||
* ``canmount``
|
||||
* ``overlay``
|
||||
|
||||
Systemd
|
||||
-------
|
||||
|
||||
With systemd, you should also consider the properties processed by the `zfs-mount-generator <https://manpages.debian.org/buster-backports/zfsutils-linux/zfs-mount-generator.8.en.html>`_ .
|
||||
|
||||
Most notably:
|
||||
|
||||
* ``org.openzfs.systemd:ignore``
|
||||
* ``org.openzfs.systemd:wanted-by``
|
||||
* ``org.openzfs.systemd:required-by``
|
||||
|
||||
Encryption
|
||||
----------
|
||||
|
||||
If the sender filesystems are encrypted but the sender does :ref:`plain sends <zfs-background-knowledge-plain-vs-raw-sends>`
|
||||
and property replication is enabled, the receiver must :ref:`inherit the following properties<job-recv-options--inherit-and-override>`:
|
||||
|
||||
* ``keylocation``
|
||||
* ``keyformat``
|
||||
* ``encryption``
|
||||
|
@ -61,7 +61,11 @@ Main Features
|
||||
* [x] Automatic ZFS holds during send & receive
|
||||
* [x] Automatic bookmark \& hold management for guaranteed incremental send & recv
|
||||
* [x] Encrypted raw send & receive to untrusted receivers (OpenZFS native encryption)
|
||||
* [ ] Compressed send & receive
|
||||
* [x] Properties send & receive
|
||||
* [x] Compressed send & receive
|
||||
* [x] Large blocks send & receive
|
||||
* [x] Embedded data send & receive
|
||||
* [x] Resume state send & receive
|
||||
|
||||
* **Automatic snapshot management**
|
||||
|
||||
|
@ -20,12 +20,21 @@ import (
|
||||
"github.com/zrepl/zrepl/util/nodefault"
|
||||
"github.com/zrepl/zrepl/util/semaphore"
|
||||
"github.com/zrepl/zrepl/zfs"
|
||||
zfsprop "github.com/zrepl/zrepl/zfs/property"
|
||||
)
|
||||
|
||||
type SenderConfig struct {
|
||||
FSF zfs.DatasetFilter
|
||||
Encrypt *nodefault.Bool
|
||||
JobID JobID
|
||||
|
||||
Encrypt *nodefault.Bool
|
||||
SendRaw bool
|
||||
SendProperties bool
|
||||
SendBackupProperties bool
|
||||
SendLargeBlocks bool
|
||||
SendCompressed bool
|
||||
SendEmbeddedData bool
|
||||
SendSaved bool
|
||||
}
|
||||
|
||||
func (c *SenderConfig) Validate() error {
|
||||
@ -44,8 +53,8 @@ type Sender struct {
|
||||
pdu.UnsafeReplicationServer // prefer compilation errors over default 'method X not implemented' impl
|
||||
|
||||
FSFilter zfs.DatasetFilter
|
||||
encrypt *nodefault.Bool
|
||||
jobId JobID
|
||||
config SenderConfig
|
||||
}
|
||||
|
||||
func NewSender(conf SenderConfig) *Sender {
|
||||
@ -54,8 +63,8 @@ func NewSender(conf SenderConfig) *Sender {
|
||||
}
|
||||
return &Sender{
|
||||
FSFilter: conf.FSF,
|
||||
encrypt: conf.Encrypt,
|
||||
jobId: conf.JobID,
|
||||
config: conf,
|
||||
}
|
||||
}
|
||||
|
||||
@ -155,12 +164,12 @@ func (s *Sender) Send(ctx context.Context, r *pdu.SendReq) (*pdu.SendRes, io.Rea
|
||||
// use s.encrypt setting
|
||||
// ok, fallthrough outer
|
||||
case pdu.Tri_False:
|
||||
if s.encrypt.B {
|
||||
if s.config.Encrypt.B {
|
||||
return nil, nil, errors.New("only encrypted sends allowed (send -w + encryption!= off), but unencrypted send requested")
|
||||
}
|
||||
// fallthrough outer
|
||||
case pdu.Tri_True:
|
||||
if !s.encrypt.B {
|
||||
if !s.config.Encrypt.B {
|
||||
return nil, nil, errors.New("only unencrypted sends allowed, but encrypted send requested")
|
||||
}
|
||||
// fallthrough outer
|
||||
@ -172,8 +181,17 @@ func (s *Sender) Send(ctx context.Context, r *pdu.SendReq) (*pdu.SendRes, io.Rea
|
||||
FS: r.Filesystem,
|
||||
From: uncheckedSendArgsFromPDU(r.GetFrom()), // validated by zfs.ZFSSendDry / zfs.ZFSSend
|
||||
To: uncheckedSendArgsFromPDU(r.GetTo()), // validated by zfs.ZFSSendDry / zfs.ZFSSend
|
||||
Encrypted: s.encrypt,
|
||||
ZFSSendFlags: zfs.ZFSSendFlags{
|
||||
ResumeToken: r.ResumeToken, // nil or not nil, depending on decoding success
|
||||
Encrypted: s.config.Encrypt,
|
||||
Properties: s.config.SendProperties,
|
||||
BackupProperties: s.config.SendBackupProperties,
|
||||
Raw: s.config.SendRaw,
|
||||
LargeBlocks: s.config.SendLargeBlocks,
|
||||
Compressed: s.config.SendCompressed,
|
||||
EmbeddedData: s.config.SendEmbeddedData,
|
||||
Saved: s.config.SendSaved,
|
||||
},
|
||||
}
|
||||
|
||||
sendArgs, err := sendArgsUnvalidated.Validate(ctx)
|
||||
@ -425,19 +443,49 @@ type FSMap interface { // FIXME unused
|
||||
AsFilter() FSFilter
|
||||
}
|
||||
|
||||
// NOTE: when adding members to this struct, remember
|
||||
// to add them to `ReceiverConfig.copyIn()`
|
||||
type ReceiverConfig struct {
|
||||
JobID JobID
|
||||
|
||||
RootWithoutClientComponent *zfs.DatasetPath // TODO use
|
||||
AppendClientIdentity bool
|
||||
|
||||
InheritProperties []zfsprop.Property
|
||||
OverrideProperties map[zfsprop.Property]string
|
||||
}
|
||||
|
||||
func (c *ReceiverConfig) copyIn() {
|
||||
c.RootWithoutClientComponent = c.RootWithoutClientComponent.Copy()
|
||||
|
||||
pInherit := make([]zfsprop.Property, len(c.InheritProperties))
|
||||
copy(pInherit, c.InheritProperties)
|
||||
c.InheritProperties = pInherit
|
||||
|
||||
pOverride := make(map[zfsprop.Property]string, len(c.OverrideProperties))
|
||||
for key, value := range c.OverrideProperties {
|
||||
pOverride[key] = value
|
||||
}
|
||||
c.OverrideProperties = pOverride
|
||||
}
|
||||
|
||||
func (c *ReceiverConfig) Validate() error {
|
||||
c.JobID.MustValidate()
|
||||
|
||||
for _, prop := range c.InheritProperties {
|
||||
err := prop.Validate()
|
||||
if err != nil {
|
||||
return errors.Wrapf(err, "inherit property %q", prop)
|
||||
}
|
||||
}
|
||||
|
||||
for prop := range c.OverrideProperties {
|
||||
err := prop.Validate()
|
||||
if err != nil {
|
||||
return errors.Wrapf(err, "override property %q", prop)
|
||||
}
|
||||
}
|
||||
|
||||
if c.RootWithoutClientComponent.Length() <= 0 {
|
||||
return errors.New("RootWithoutClientComponent must not be an empty dataset path")
|
||||
}
|
||||
@ -727,6 +775,10 @@ func (s *Receiver) Receive(ctx context.Context, req *pdu.ReceiveReq, receive io.
|
||||
return nil, errors.Wrap(err, "cannot get placeholder state")
|
||||
}
|
||||
log.WithField("placeholder_state", fmt.Sprintf("%#v", ph)).Debug("placeholder state")
|
||||
|
||||
recvOpts.InheritProperties = s.conf.InheritProperties
|
||||
recvOpts.OverrideProperties = s.conf.OverrideProperties
|
||||
|
||||
if ph.FSExists && ph.IsPlaceholder {
|
||||
recvOpts.RollbackAndForceRecv = true
|
||||
clearPlaceholderProperty = true
|
||||
|
@ -24,6 +24,7 @@ var Cases = []Case{BatchDestroy,
|
||||
ReplicationIsResumableFullSend__both_GuaranteeResumability,
|
||||
ReplicationIsResumableFullSend__initial_GuaranteeIncrementalReplication_incremental_GuaranteeIncrementalReplication,
|
||||
ReplicationIsResumableFullSend__initial_GuaranteeResumability_incremental_GuaranteeIncrementalReplication,
|
||||
ReplicationPropertyReplicationWorks,
|
||||
ReplicationReceiverErrorWhileStillSending,
|
||||
ReplicationStepCompletedLostBehavior__GuaranteeIncrementalReplication,
|
||||
ReplicationStepCompletedLostBehavior__GuaranteeResumability,
|
||||
|
@ -33,10 +33,12 @@ func ReceiveForceIntoEncryptedErr(ctx *platformtest.Context) {
|
||||
|
||||
sendArgs, err := zfs.ZFSSendArgsUnvalidated{
|
||||
FS: sfs,
|
||||
Encrypted: &nodefault.Bool{B: false},
|
||||
From: nil,
|
||||
To: &sfsSnap1,
|
||||
ZFSSendFlags: zfs.ZFSSendFlags{
|
||||
Encrypted: &nodefault.Bool{B: false},
|
||||
ResumeToken: "",
|
||||
},
|
||||
}.Validate(ctx)
|
||||
require.NoError(ctx, err)
|
||||
|
||||
|
@ -29,10 +29,12 @@ func ReceiveForceRollbackWorksUnencrypted(ctx *platformtest.Context) {
|
||||
|
||||
sendArgs, err := zfs.ZFSSendArgsUnvalidated{
|
||||
FS: sfs,
|
||||
Encrypted: &nodefault.Bool{B: false},
|
||||
From: nil,
|
||||
To: &sfsSnap1,
|
||||
ZFSSendFlags: zfs.ZFSSendFlags{
|
||||
Encrypted: &nodefault.Bool{B: false},
|
||||
ResumeToken: "",
|
||||
},
|
||||
}.Validate(ctx)
|
||||
require.NoError(ctx, err)
|
||||
|
||||
|
@ -21,6 +21,7 @@ import (
|
||||
"github.com/zrepl/zrepl/util/limitio"
|
||||
"github.com/zrepl/zrepl/util/nodefault"
|
||||
"github.com/zrepl/zrepl/zfs"
|
||||
zfsprop "github.com/zrepl/zrepl/zfs/property"
|
||||
)
|
||||
|
||||
// mimics the replication invocations of an active-side job
|
||||
@ -37,6 +38,8 @@ type replicationInvocation struct {
|
||||
interceptSender func(e *endpoint.Sender) logic.Sender
|
||||
interceptReceiver func(e *endpoint.Receiver) logic.Receiver
|
||||
guarantee *pdu.ReplicationConfigProtection
|
||||
senderConfigHook func(*endpoint.SenderConfig)
|
||||
receiverConfigHook func(*endpoint.ReceiverConfig)
|
||||
}
|
||||
|
||||
func (i replicationInvocation) Do(ctx *platformtest.Context) *report.Report {
|
||||
@ -56,16 +59,30 @@ func (i replicationInvocation) Do(ctx *platformtest.Context) *report.Report {
|
||||
err := i.sfilter.Add(i.sfs, "ok")
|
||||
require.NoError(ctx, err)
|
||||
}
|
||||
sender := i.interceptSender(endpoint.NewSender(endpoint.SenderConfig{
|
||||
|
||||
senderConfig := endpoint.SenderConfig{
|
||||
FSF: i.sfilter.AsFilter(),
|
||||
Encrypt: &nodefault.Bool{B: false},
|
||||
JobID: i.sjid,
|
||||
}))
|
||||
receiver := i.interceptReceiver(endpoint.NewReceiver(endpoint.ReceiverConfig{
|
||||
}
|
||||
if i.senderConfigHook != nil {
|
||||
i.senderConfigHook(&senderConfig)
|
||||
}
|
||||
|
||||
receiverConfig := endpoint.ReceiverConfig{
|
||||
JobID: i.rjid,
|
||||
AppendClientIdentity: false,
|
||||
RootWithoutClientComponent: mustDatasetPath(i.rfsRoot),
|
||||
}))
|
||||
}
|
||||
if i.receiverConfigHook != nil {
|
||||
i.receiverConfigHook(&receiverConfig)
|
||||
}
|
||||
|
||||
require.Equal(ctx, senderConfig.JobID, i.sjid)
|
||||
require.Equal(ctx, receiverConfig.JobID, i.rjid)
|
||||
|
||||
sender := i.interceptSender(endpoint.NewSender(senderConfig))
|
||||
receiver := i.interceptReceiver(endpoint.NewReceiver(receiverConfig))
|
||||
plannerPolicy := logic.PlannerPolicy{
|
||||
EncryptedSend: logic.TriFromBool(false),
|
||||
ReplicationConfig: &pdu.ReplicationConfig{
|
||||
@ -901,7 +918,7 @@ func ReplicationFailingInitialParentProhibitsChildReplication(ctx *platformtest.
|
||||
}
|
||||
|
||||
require.Contains(ctx, fsByName, fsA)
|
||||
require.Contains(ctx, fsByName, fsAA)
|
||||
require.Contains(ctx, fsByName, fsAChild)
|
||||
require.Contains(ctx, fsByName, fsAA)
|
||||
|
||||
checkFS := func(fs string, expectErrMsg string) {
|
||||
@ -916,3 +933,153 @@ func ReplicationFailingInitialParentProhibitsChildReplication(ctx *platformtest.
|
||||
checkFS(fsAChild, "parent(s) failed during initial replication")
|
||||
checkFS(fsAA, mockRecvErr.Error()) // fsAA is not treated as a child of fsA
|
||||
}
|
||||
|
||||
func ReplicationPropertyReplicationWorks(ctx *platformtest.Context) {
|
||||
|
||||
platformtest.Run(ctx, platformtest.PanicErr, ctx.RootDataset, `
|
||||
CREATEROOT
|
||||
+ "sender"
|
||||
+ "sender/a"
|
||||
+ "sender/a@1"
|
||||
+ "sender/a/child"
|
||||
+ "sender/a/child@1"
|
||||
+ "receiver"
|
||||
`)
|
||||
|
||||
sjid := endpoint.MustMakeJobID("sender-job")
|
||||
rjid := endpoint.MustMakeJobID("receiver-job")
|
||||
|
||||
fsA := ctx.RootDataset + "/sender/a"
|
||||
fsAChild := ctx.RootDataset + "/sender/a/child"
|
||||
|
||||
sfilter := filters.NewDatasetMapFilter(2, true)
|
||||
mustAddToSFilter := func(fs string) {
|
||||
err := sfilter.Add(fs, "ok")
|
||||
require.NoError(ctx, err)
|
||||
}
|
||||
mustAddToSFilter(fsA)
|
||||
mustAddToSFilter(fsAChild)
|
||||
rfsRoot := ctx.RootDataset + "/receiver"
|
||||
|
||||
type testPropExpectation struct {
|
||||
Exists bool
|
||||
Source zfs.PropertySource
|
||||
ExpectSpecialValue string
|
||||
}
|
||||
type testProp struct {
|
||||
Name string
|
||||
SetOnSender map[string]bool
|
||||
ExpectReceiver map[string]testPropExpectation
|
||||
}
|
||||
testProps := []testProp{
|
||||
{
|
||||
Name: "zrepl:ignored",
|
||||
SetOnSender: map[string]bool{fsA: true, fsAChild: true},
|
||||
ExpectReceiver: map[string]testPropExpectation{
|
||||
fsA: {
|
||||
Exists: false,
|
||||
},
|
||||
fsAChild: {
|
||||
Exists: false,
|
||||
},
|
||||
},
|
||||
},
|
||||
{
|
||||
Name: "zrepl:replicate",
|
||||
SetOnSender: map[string]bool{fsA: true, fsAChild: true},
|
||||
ExpectReceiver: map[string]testPropExpectation{
|
||||
fsA: {Exists: true, Source: zfs.SourceReceived},
|
||||
fsAChild: {Exists: true, Source: zfs.SourceReceived},
|
||||
},
|
||||
},
|
||||
{
|
||||
Name: "zrepl:overridden",
|
||||
SetOnSender: map[string]bool{fsA: false, fsAChild: true},
|
||||
ExpectReceiver: map[string]testPropExpectation{
|
||||
fsA: {Exists: true, Source: zfs.SourceLocal, ExpectSpecialValue: "overridden value"},
|
||||
fsAChild: {Exists: true, Source: zfs.SourceLocal, ExpectSpecialValue: "overridden value"},
|
||||
},
|
||||
},
|
||||
}
|
||||
|
||||
for _, prop := range testProps {
|
||||
for fs := range prop.SetOnSender {
|
||||
err := zfs.ZFSSet(ctx, mustDatasetPath(fs), map[string]string{prop.Name: prop.Name})
|
||||
require.NoError(ctx, err)
|
||||
}
|
||||
}
|
||||
|
||||
rep := replicationInvocation{
|
||||
sjid: sjid,
|
||||
rjid: rjid,
|
||||
sfilter: sfilter,
|
||||
rfsRoot: rfsRoot,
|
||||
guarantee: pdu.ReplicationConfigProtectionWithKind(pdu.ReplicationGuaranteeKind_GuaranteeNothing),
|
||||
receiverConfigHook: func(c *endpoint.ReceiverConfig) {
|
||||
c.InheritProperties = []zfsprop.Property{"zrepl:ignored"}
|
||||
c.OverrideProperties = map[zfsprop.Property]string{
|
||||
"zrepl:overridden": "overridden value",
|
||||
}
|
||||
},
|
||||
senderConfigHook: func(c *endpoint.SenderConfig) {
|
||||
c.SendProperties = true // TODO: do another tier with SendBackupProperties
|
||||
},
|
||||
}
|
||||
|
||||
r := rep.Do(ctx)
|
||||
ctx.Logf("\n%s", pretty.Sprint(r))
|
||||
|
||||
require.Len(ctx, r.Attempts, 1)
|
||||
attempt := r.Attempts[0]
|
||||
require.Nil(ctx, attempt.PlanError)
|
||||
require.Len(ctx, attempt.Filesystems, 2)
|
||||
|
||||
fsByName := make(map[string]*report.FilesystemReport, len(attempt.Filesystems))
|
||||
for _, fs := range attempt.Filesystems {
|
||||
fsByName[fs.Info.Name] = fs
|
||||
}
|
||||
|
||||
require.Contains(ctx, fsByName, fsA)
|
||||
require.Contains(ctx, fsByName, fsAChild)
|
||||
require.Len(ctx, fsByName, 2)
|
||||
|
||||
requireFSReportSucceeded := func(fs string) *zfs.DatasetPath {
|
||||
rep := fsByName[fs]
|
||||
require.Len(ctx, rep.Steps, 1)
|
||||
require.Nil(ctx, rep.PlanError)
|
||||
require.Nil(ctx, rep.StepError)
|
||||
require.Len(ctx, rep.Steps, 1)
|
||||
require.Equal(ctx, 1, rep.CurrentStep)
|
||||
return mustDatasetPath(path.Join(rfsRoot, fs))
|
||||
}
|
||||
|
||||
rfsA := requireFSReportSucceeded(fsA)
|
||||
rfsAChild := requireFSReportSucceeded(fsAChild)
|
||||
|
||||
rfsmap := map[string]*zfs.DatasetPath{
|
||||
fsA: rfsA,
|
||||
fsAChild: rfsAChild,
|
||||
}
|
||||
|
||||
for fs, rfs := range rfsmap {
|
||||
for _, tp := range testProps {
|
||||
r_, err := zfs.ZFSGet(ctx, rfs, []string{tp.Name})
|
||||
require.NoError(ctx, err)
|
||||
r := r_.GetDetails(tp.Name)
|
||||
|
||||
expect := tp.ExpectReceiver[fs]
|
||||
|
||||
if !expect.Exists {
|
||||
require.Equal(ctx, zfs.SourceNone, r.Source)
|
||||
} else {
|
||||
require.Equal(ctx, expect.Source, r.Source)
|
||||
|
||||
if expect.ExpectSpecialValue != "" {
|
||||
require.Equal(ctx, expect.ExpectSpecialValue, r.Value)
|
||||
} else {
|
||||
require.Equal(ctx, tp.Name, r.Value)
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
@ -29,8 +29,10 @@ func ResumableRecvAndTokenHandling(ctx *platformtest.Context) {
|
||||
s := makeResumeSituation(ctx, src, recvFS, zfs.ZFSSendArgsUnvalidated{
|
||||
FS: sendFS,
|
||||
To: src.snapA,
|
||||
ZFSSendFlags: zfs.ZFSSendFlags{
|
||||
Encrypted: &nodefault.Bool{B: false},
|
||||
ResumeToken: "",
|
||||
},
|
||||
}, zfs.RecvOptions{
|
||||
RollbackAndForceRecv: false, // doesnt' exist yet
|
||||
SavePartialRecvState: true,
|
||||
|
@ -43,8 +43,10 @@ func sendArgsValidationEncryptedSendOfUnencryptedDatasetForbidden_impl(ctx *plat
|
||||
RelName: "@a snap",
|
||||
GUID: props.Guid,
|
||||
},
|
||||
ZFSSendFlags: zfs.ZFSSendFlags{
|
||||
Encrypted: &nodefault.Bool{B: true},
|
||||
ResumeToken: "",
|
||||
},
|
||||
}.Validate(ctx)
|
||||
|
||||
var stream *zfs.SendStream
|
||||
@ -98,7 +100,7 @@ func SendArgsValidationResumeTokenEncryptionMismatchForbidden(ctx *platformtest.
|
||||
unencS := makeResumeSituation(ctx, src, unencRecvFS, zfs.ZFSSendArgsUnvalidated{
|
||||
FS: sendFS,
|
||||
To: src.snapA,
|
||||
Encrypted: &nodefault.Bool{B: false}, // !
|
||||
ZFSSendFlags: zfs.ZFSSendFlags{Encrypted: &nodefault.Bool{B: false}}, // !
|
||||
}, zfs.RecvOptions{
|
||||
RollbackAndForceRecv: false,
|
||||
SavePartialRecvState: true,
|
||||
@ -107,7 +109,7 @@ func SendArgsValidationResumeTokenEncryptionMismatchForbidden(ctx *platformtest.
|
||||
encS := makeResumeSituation(ctx, src, encRecvFS, zfs.ZFSSendArgsUnvalidated{
|
||||
FS: sendFS,
|
||||
To: src.snapA,
|
||||
Encrypted: &nodefault.Bool{B: true}, // !
|
||||
ZFSSendFlags: zfs.ZFSSendFlags{Encrypted: &nodefault.Bool{B: true}}, // !
|
||||
}, zfs.RecvOptions{
|
||||
RollbackAndForceRecv: false,
|
||||
SavePartialRecvState: true,
|
||||
@ -175,7 +177,7 @@ func SendArgsValidationResumeTokenDifferentFilesystemForbidden(ctx *platformtest
|
||||
rs := makeResumeSituation(ctx, src1, recvFS, zfs.ZFSSendArgsUnvalidated{
|
||||
FS: sendFS1,
|
||||
To: src1.snapA,
|
||||
Encrypted: &nodefault.Bool{B: false},
|
||||
ZFSSendFlags: zfs.ZFSSendFlags{Encrypted: &nodefault.Bool{B: false}},
|
||||
}, zfs.RecvOptions{
|
||||
RollbackAndForceRecv: false,
|
||||
SavePartialRecvState: true,
|
||||
@ -189,8 +191,10 @@ func SendArgsValidationResumeTokenDifferentFilesystemForbidden(ctx *platformtest
|
||||
RelName: src2.snapA.RelName,
|
||||
GUID: src2.snapA.GUID,
|
||||
},
|
||||
ZFSSendFlags: zfs.ZFSSendFlags{
|
||||
Encrypted: &nodefault.Bool{B: false},
|
||||
ResumeToken: rs.recvErrDecoded.ResumeTokenRaw,
|
||||
},
|
||||
}
|
||||
_, err = maliciousSend.Validate(ctx)
|
||||
require.Error(ctx, err)
|
||||
|
@ -51,7 +51,7 @@ func ZFSGetEncryptionEnabled(ctx context.Context, fs string) (enabled bool, err
|
||||
return false, err
|
||||
}
|
||||
|
||||
props, err := zfsGet(ctx, fs, []string{"encryption"}, sourceAny)
|
||||
props, err := zfsGet(ctx, fs, []string{"encryption"}, SourceAny)
|
||||
if err != nil {
|
||||
return false, errors.Wrap(err, "cannot get `encryption` property")
|
||||
}
|
||||
|
@ -67,7 +67,7 @@ type FilesystemPlaceholderState struct {
|
||||
func ZFSGetFilesystemPlaceholderState(ctx context.Context, p *DatasetPath) (state *FilesystemPlaceholderState, err error) {
|
||||
state = &FilesystemPlaceholderState{FS: p.ToString()}
|
||||
state.FS = p.ToString()
|
||||
props, err := zfsGet(ctx, p.ToString(), []string{PlaceholderPropertyName}, sourceLocal)
|
||||
props, err := zfsGet(ctx, p.ToString(), []string{PlaceholderPropertyName}, SourceLocal)
|
||||
var _ error = (*DatasetDoesNotExist)(nil) // weak assertion on zfsGet's interface
|
||||
if _, ok := err.(*DatasetDoesNotExist); ok {
|
||||
return state, nil
|
||||
@ -110,12 +110,11 @@ func ZFSCreatePlaceholderFilesystem(ctx context.Context, fs *DatasetPath, parent
|
||||
}
|
||||
|
||||
func ZFSSetPlaceholder(ctx context.Context, p *DatasetPath, isPlaceholder bool) error {
|
||||
props := NewZFSProperties()
|
||||
prop := placeholderPropertyOff
|
||||
if isPlaceholder {
|
||||
prop = placeholderPropertyOn
|
||||
}
|
||||
props.Set(PlaceholderPropertyName, prop)
|
||||
props := map[string]string{PlaceholderPropertyName: prop}
|
||||
return zfsSet(ctx, p.ToString(), props)
|
||||
}
|
||||
|
||||
|
33
zfs/property/property.go
Normal file
33
zfs/property/property.go
Normal file
@ -0,0 +1,33 @@
|
||||
package property
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
"regexp"
|
||||
)
|
||||
|
||||
type Property string
|
||||
|
||||
// Check property name conforms to zfsprops(8), section "User Properties"
|
||||
// Keep regex and error message in sync!
|
||||
var (
|
||||
propertyValidNameChars = regexp.MustCompile(`^[0-9a-zA-Z-_\.:]+$`)
|
||||
propertyValidNameCharsErr = fmt.Errorf("property name must only contain alphanumeric chars and any in %q", "-_.:")
|
||||
)
|
||||
|
||||
func (p Property) Validate() error {
|
||||
const PROPERTYNAMEMAXLEN int = 256
|
||||
|
||||
if len(p) < 1 {
|
||||
return fmt.Errorf("property name cannot be empty")
|
||||
}
|
||||
if len(p) > PROPERTYNAMEMAXLEN {
|
||||
return fmt.Errorf("property name longer than %d characters", PROPERTYNAMEMAXLEN)
|
||||
}
|
||||
if p[0] == '-' {
|
||||
return fmt.Errorf("property name cannot start with '-'")
|
||||
}
|
||||
if !propertyValidNameChars.MatchString(string(p)) {
|
||||
return propertyValidNameCharsErr
|
||||
}
|
||||
return nil
|
||||
}
|
82
zfs/propertysource_enumer.go
Normal file
82
zfs/propertysource_enumer.go
Normal file
@ -0,0 +1,82 @@
|
||||
// Code generated by "enumer -type=PropertySource -trimprefix=Source"; DO NOT EDIT.
|
||||
|
||||
//
|
||||
package zfs
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
)
|
||||
|
||||
const (
|
||||
_PropertySourceName_0 = "LocalDefault"
|
||||
_PropertySourceName_1 = "Inherited"
|
||||
_PropertySourceName_2 = "None"
|
||||
_PropertySourceName_3 = "Temporary"
|
||||
_PropertySourceName_4 = "Received"
|
||||
_PropertySourceName_5 = "Any"
|
||||
)
|
||||
|
||||
var (
|
||||
_PropertySourceIndex_0 = [...]uint8{0, 5, 12}
|
||||
_PropertySourceIndex_1 = [...]uint8{0, 9}
|
||||
_PropertySourceIndex_2 = [...]uint8{0, 4}
|
||||
_PropertySourceIndex_3 = [...]uint8{0, 9}
|
||||
_PropertySourceIndex_4 = [...]uint8{0, 8}
|
||||
_PropertySourceIndex_5 = [...]uint8{0, 3}
|
||||
)
|
||||
|
||||
func (i PropertySource) String() string {
|
||||
switch {
|
||||
case 1 <= i && i <= 2:
|
||||
i -= 1
|
||||
return _PropertySourceName_0[_PropertySourceIndex_0[i]:_PropertySourceIndex_0[i+1]]
|
||||
case i == 4:
|
||||
return _PropertySourceName_1
|
||||
case i == 8:
|
||||
return _PropertySourceName_2
|
||||
case i == 16:
|
||||
return _PropertySourceName_3
|
||||
case i == 32:
|
||||
return _PropertySourceName_4
|
||||
case i == 18446744073709551615:
|
||||
return _PropertySourceName_5
|
||||
default:
|
||||
return fmt.Sprintf("PropertySource(%d)", i)
|
||||
}
|
||||
}
|
||||
|
||||
var _PropertySourceValues = []PropertySource{1, 2, 4, 8, 16, 32, 18446744073709551615}
|
||||
|
||||
var _PropertySourceNameToValueMap = map[string]PropertySource{
|
||||
_PropertySourceName_0[0:5]: 1,
|
||||
_PropertySourceName_0[5:12]: 2,
|
||||
_PropertySourceName_1[0:9]: 4,
|
||||
_PropertySourceName_2[0:4]: 8,
|
||||
_PropertySourceName_3[0:9]: 16,
|
||||
_PropertySourceName_4[0:8]: 32,
|
||||
_PropertySourceName_5[0:3]: 18446744073709551615,
|
||||
}
|
||||
|
||||
// PropertySourceString retrieves an enum value from the enum constants string name.
|
||||
// Throws an error if the param is not part of the enum.
|
||||
func PropertySourceString(s string) (PropertySource, error) {
|
||||
if val, ok := _PropertySourceNameToValueMap[s]; ok {
|
||||
return val, nil
|
||||
}
|
||||
return 0, fmt.Errorf("%s does not belong to PropertySource values", s)
|
||||
}
|
||||
|
||||
// PropertySourceValues returns all values of the enum
|
||||
func PropertySourceValues() []PropertySource {
|
||||
return _PropertySourceValues
|
||||
}
|
||||
|
||||
// IsAPropertySource returns "true" if the value is listed in the enum definition. "false" otherwise
|
||||
func (i PropertySource) IsAPropertySource() bool {
|
||||
for _, v := range _PropertySourceValues {
|
||||
if i == v {
|
||||
return true
|
||||
}
|
||||
}
|
||||
return false
|
||||
}
|
@ -267,7 +267,7 @@ func ZFSListFilesystemVersions(ctx context.Context, fs *DatasetPath, options Lis
|
||||
}
|
||||
|
||||
func ZFSGetFilesystemVersion(ctx context.Context, ds string) (v FilesystemVersion, _ error) {
|
||||
props, err := zfsGet(ctx, ds, []string{"createtxg", "guid", "creation", "userrefs"}, sourceAny)
|
||||
props, err := zfsGet(ctx, ds, []string{"createtxg", "guid", "creation", "userrefs"}, SourceAny)
|
||||
if err != nil {
|
||||
return v, err
|
||||
}
|
||||
|
349
zfs/zfs.go
349
zfs/zfs.go
@ -22,6 +22,7 @@ import (
|
||||
"github.com/zrepl/zrepl/util/circlog"
|
||||
"github.com/zrepl/zrepl/util/envconst"
|
||||
"github.com/zrepl/zrepl/util/nodefault"
|
||||
zfsprop "github.com/zrepl/zrepl/zfs/property"
|
||||
"github.com/zrepl/zrepl/zfs/zfscmd"
|
||||
)
|
||||
|
||||
@ -326,45 +327,6 @@ func absVersion(fs string, v *ZFSSendArgVersion) (full string, err error) {
|
||||
return fmt.Sprintf("%s%s", fs, v.RelName), nil
|
||||
}
|
||||
|
||||
// tok is allowed to be nil
|
||||
// a must already be validated
|
||||
//
|
||||
// SECURITY SENSITIVE because Raw must be handled correctly
|
||||
func (a ZFSSendArgsUnvalidated) buildCommonSendArgs() ([]string, error) {
|
||||
|
||||
args := make([]string, 0, 3)
|
||||
// ResumeToken takes precedence, we assume that it has been validated to reflect
|
||||
// what is described by the other fields in ZFSSendArgs
|
||||
if a.ResumeToken != "" {
|
||||
args = append(args, "-t", a.ResumeToken)
|
||||
return args, nil
|
||||
}
|
||||
|
||||
if a.Encrypted.B {
|
||||
args = append(args, "-w")
|
||||
}
|
||||
|
||||
toV, err := absVersion(a.FS, a.To)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
fromV := ""
|
||||
if a.From != nil {
|
||||
fromV, err = absVersion(a.FS, a.From)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
}
|
||||
|
||||
if fromV == "" { // Initial
|
||||
args = append(args, toV)
|
||||
} else {
|
||||
args = append(args, "-i", fromV, toV)
|
||||
}
|
||||
return args, nil
|
||||
}
|
||||
|
||||
func pipeWithCapacityHint(capacity int) (r, w *os.File, err error) {
|
||||
if capacity <= 0 {
|
||||
panic(fmt.Sprintf("capacity must be positive %v", capacity))
|
||||
@ -568,10 +530,7 @@ func (v ZFSSendArgVersion) MustBeBookmark() {
|
||||
type ZFSSendArgsUnvalidated struct {
|
||||
FS string
|
||||
From, To *ZFSSendArgVersion // From may be nil
|
||||
Encrypted *nodefault.Bool
|
||||
|
||||
// Preferred if not empty
|
||||
ResumeToken string // if not nil, must match what is specified in From, To (covered by ValidateCorrespondsToResumeToken)
|
||||
ZFSSendFlags
|
||||
}
|
||||
|
||||
type ZFSSendArgsValidated struct {
|
||||
@ -580,6 +539,20 @@ type ZFSSendArgsValidated struct {
|
||||
ToVersion FilesystemVersion
|
||||
}
|
||||
|
||||
type ZFSSendFlags struct {
|
||||
Encrypted *nodefault.Bool
|
||||
Properties bool
|
||||
BackupProperties bool
|
||||
Raw bool
|
||||
LargeBlocks bool
|
||||
Compressed bool
|
||||
EmbeddedData bool
|
||||
Saved bool
|
||||
|
||||
// Preferred if not empty
|
||||
ResumeToken string // if not nil, must match what is specified in From, To (covered by ValidateCorrespondsToResumeToken)
|
||||
}
|
||||
|
||||
type zfsSendArgsValidationContext struct {
|
||||
encEnabled *nodefault.Bool
|
||||
}
|
||||
@ -638,8 +611,8 @@ func (a ZFSSendArgsUnvalidated) Validate(ctx context.Context) (v ZFSSendArgsVali
|
||||
// fallthrough
|
||||
}
|
||||
|
||||
if err := a.Encrypted.ValidateNoDefault(); err != nil {
|
||||
return v, newGenericValidationError(a, errors.Wrap(err, "`Raw` invalid"))
|
||||
if err := a.ZFSSendFlags.Validate(); err != nil {
|
||||
return v, newGenericValidationError(a, errors.Wrap(err, "send flags invalid"))
|
||||
}
|
||||
|
||||
valCtx := &zfsSendArgsValidationContext{}
|
||||
@ -655,11 +628,9 @@ func (a ZFSSendArgsUnvalidated) Validate(ctx context.Context) (v ZFSSendArgsVali
|
||||
errors.Errorf("encrypted send requested, but filesystem %q is not encrypted", a.FS))
|
||||
}
|
||||
|
||||
if a.ResumeToken != "" {
|
||||
if err := a.validateCorrespondsToResumeToken(ctx, valCtx); err != nil {
|
||||
if err := a.validateEncryptionFlagsCorrespondToResumeToken(ctx, valCtx); err != nil {
|
||||
return v, newValidationError(a, ZFSSendArgsResumeTokenMismatch, err)
|
||||
}
|
||||
}
|
||||
|
||||
return ZFSSendArgsValidated{
|
||||
ZFSSendArgsUnvalidated: a,
|
||||
@ -668,6 +639,89 @@ func (a ZFSSendArgsUnvalidated) Validate(ctx context.Context) (v ZFSSendArgsVali
|
||||
}, nil
|
||||
}
|
||||
|
||||
func (f ZFSSendFlags) Validate() error {
|
||||
if err := f.Encrypted.ValidateNoDefault(); err != nil {
|
||||
return errors.Wrap(err, "flag `Encrypted` invalid")
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
// If ResumeToken is empty, builds a command line with the flags specified.
|
||||
// If ResumeToken is not empty, build a command line with just `-t {{.ResumeToken}}`.
|
||||
//
|
||||
// SECURITY SENSITIVE it is the caller's responsibility to ensure that a.Encrypted semantics
|
||||
// hold for the file system that will be sent with the send flags returned by this function
|
||||
func (a ZFSSendFlags) buildSendFlagsUnchecked() []string {
|
||||
|
||||
args := make([]string, 0)
|
||||
|
||||
// ResumeToken takes precedence, we assume that it has been validated
|
||||
// to reflect what is described by the other fields.
|
||||
if a.ResumeToken != "" {
|
||||
args = append(args, "-t", a.ResumeToken)
|
||||
return args
|
||||
}
|
||||
|
||||
if a.Encrypted.B || a.Raw {
|
||||
args = append(args, "-w")
|
||||
}
|
||||
|
||||
if a.Properties {
|
||||
args = append(args, "-p")
|
||||
}
|
||||
|
||||
if a.BackupProperties {
|
||||
args = append(args, "-b")
|
||||
}
|
||||
|
||||
if a.LargeBlocks {
|
||||
args = append(args, "-L")
|
||||
}
|
||||
|
||||
if a.Compressed {
|
||||
args = append(args, "-c")
|
||||
}
|
||||
|
||||
if a.EmbeddedData {
|
||||
args = append(args, "-e")
|
||||
}
|
||||
|
||||
if a.Saved {
|
||||
args = append(args, "-S")
|
||||
}
|
||||
|
||||
return args
|
||||
}
|
||||
|
||||
func (a ZFSSendArgsValidated) buildSendCommandLine() ([]string, error) {
|
||||
|
||||
flags := a.buildSendFlagsUnchecked()
|
||||
|
||||
if a.ZFSSendFlags.ResumeToken != "" {
|
||||
return flags, nil
|
||||
}
|
||||
|
||||
toV, err := absVersion(a.FS, a.To)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
fromV := ""
|
||||
if a.From != nil {
|
||||
fromV, err = absVersion(a.FS, a.From)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
}
|
||||
|
||||
if fromV == "" { // Initial
|
||||
flags = append(flags, toV)
|
||||
} else {
|
||||
flags = append(flags, "-i", fromV, toV)
|
||||
}
|
||||
return flags, nil
|
||||
}
|
||||
|
||||
type ZFSSendArgsResumeTokenMismatchError struct {
|
||||
What ZFSSendArgsResumeTokenMismatchErrorCode
|
||||
Err error
|
||||
@ -692,10 +746,17 @@ func (c ZFSSendArgsResumeTokenMismatchErrorCode) fmt(format string, args ...inte
|
||||
}
|
||||
}
|
||||
|
||||
// This is SECURITY SENSITIVE and requires exhaustive checking of both side's values
|
||||
// An attacker requesting a Send with a crafted ResumeToken may encode different parameters in the resume token than expected:
|
||||
// Validate that the encryption settings specified in `a` correspond to the encryption settings encoded in the resume token.
|
||||
//
|
||||
// This is SECURITY SENSITIVE:
|
||||
// It is possible for an attacker to craft arbitrary resume tokens.
|
||||
// Those malicious resume tokens could encode different parameters in the resume token than expected:
|
||||
// for example, they may specify another file system (e.g. the filesystem with secret data) or request unencrypted send instead of encrypted raw send.
|
||||
func (a ZFSSendArgsUnvalidated) validateCorrespondsToResumeToken(ctx context.Context, valCtx *zfsSendArgsValidationContext) error {
|
||||
//
|
||||
// Note that we don't check correspondence of all other send flags because
|
||||
// a) the resume token does not capture all send flags (e.g. send -p is implemented in libzfs and thus not represented in the resume token)
|
||||
// b) it would force us to either reject resume tokens with unknown flags.
|
||||
func (a ZFSSendArgsUnvalidated) validateEncryptionFlagsCorrespondToResumeToken(ctx context.Context, valCtx *zfsSendArgsValidationContext) error {
|
||||
|
||||
if a.ResumeToken == "" {
|
||||
return nil // nothing to do
|
||||
@ -720,6 +781,7 @@ func (a ZFSSendArgsUnvalidated) validateCorrespondsToResumeToken(ctx context.Con
|
||||
"filesystem in resume token field `toname` = %q does not match expected value %q", tokenFS.ToString(), a.FS)
|
||||
}
|
||||
|
||||
// If From is set, it must match.
|
||||
if (a.From != nil) != t.HasFromGUID { // existence must be same
|
||||
if t.HasFromGUID {
|
||||
return gen.fmt("resume token not expected to be incremental, but `fromguid` = %v", t.FromGUID)
|
||||
@ -774,18 +836,20 @@ func ZFSSend(ctx context.Context, sendArgs ZFSSendArgsValidated) (*SendStream, e
|
||||
args = append(args, "send")
|
||||
|
||||
// pre-validation of sendArgs for plain ErrEncryptedSendNotSupported error
|
||||
// TODO go1.13: push this down to sendArgs.Validate
|
||||
if encryptedSendValid := sendArgs.Encrypted.ValidateNoDefault(); encryptedSendValid == nil && sendArgs.Encrypted.B {
|
||||
supported, err := EncryptionCLISupported(ctx)
|
||||
// we tie BackupProperties (send -b) and SendRaw (-w, same as with Encrypted) to this
|
||||
// since these were released together.
|
||||
if sendArgs.Encrypted.B || sendArgs.Raw || sendArgs.BackupProperties {
|
||||
encryptionSupported, err := EncryptionCLISupported(ctx)
|
||||
if err != nil {
|
||||
return nil, errors.Wrap(err, "cannot determine CLI native encryption support")
|
||||
}
|
||||
if !supported {
|
||||
|
||||
if !encryptionSupported {
|
||||
return nil, ErrEncryptedSendNotSupported
|
||||
}
|
||||
}
|
||||
|
||||
sargs, err := sendArgs.buildCommonSendArgs()
|
||||
sargs, err := sendArgs.buildSendCommandLine()
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
@ -959,7 +1023,7 @@ func ZFSSendDry(ctx context.Context, sendArgs ZFSSendArgsValidated) (_ *DrySendI
|
||||
|
||||
args := make([]string, 0)
|
||||
args = append(args, "send", "-n", "-v", "-P")
|
||||
sargs, err := sendArgs.buildCommonSendArgs()
|
||||
sargs, err := sendArgs.buildSendCommandLine()
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
@ -977,14 +1041,6 @@ func ZFSSendDry(ctx context.Context, sendArgs ZFSSendArgsValidated) (_ *DrySendI
|
||||
return &si, nil
|
||||
}
|
||||
|
||||
type RecvOptions struct {
|
||||
// Rollback to the oldest snapshot, destroy it, then perform `recv -F`.
|
||||
// Note that this doesn't change property values, i.e. an existing local property value will be kept.
|
||||
RollbackAndForceRecv bool
|
||||
// Set -s flag used for resumable send & recv
|
||||
SavePartialRecvState bool
|
||||
}
|
||||
|
||||
type ErrRecvResumeNotSupported struct {
|
||||
FS string
|
||||
CheckErr error
|
||||
@ -1001,6 +1057,39 @@ func (e *ErrRecvResumeNotSupported) Error() string {
|
||||
return buf.String()
|
||||
}
|
||||
|
||||
type RecvOptions struct {
|
||||
// Rollback to the oldest snapshot, destroy it, then perform `recv -F`.
|
||||
// Note that this doesn't change property values, i.e. an existing local property value will be kept.
|
||||
RollbackAndForceRecv bool
|
||||
// Set -s flag used for resumable send & recv
|
||||
SavePartialRecvState bool
|
||||
|
||||
InheritProperties []zfsprop.Property
|
||||
OverrideProperties map[zfsprop.Property]string
|
||||
}
|
||||
|
||||
func (opts RecvOptions) buildRecvFlags() []string {
|
||||
args := make([]string, 0)
|
||||
if opts.RollbackAndForceRecv {
|
||||
args = append(args, "-F")
|
||||
}
|
||||
if opts.SavePartialRecvState {
|
||||
args = append(args, "-s")
|
||||
}
|
||||
if opts.InheritProperties != nil {
|
||||
for _, prop := range opts.InheritProperties {
|
||||
args = append(args, "-x", string(prop))
|
||||
}
|
||||
}
|
||||
if opts.OverrideProperties != nil {
|
||||
for prop, value := range opts.OverrideProperties {
|
||||
args = append(args, "-o", fmt.Sprintf("%s=%s", prop, value))
|
||||
}
|
||||
}
|
||||
|
||||
return args
|
||||
}
|
||||
|
||||
const RecvStderrBufSiz = 1 << 15
|
||||
|
||||
func ZFSRecv(ctx context.Context, fs string, v *ZFSSendArgVersion, stream io.ReadCloser, opts RecvOptions) (err error) {
|
||||
@ -1049,17 +1138,14 @@ func ZFSRecv(ctx context.Context, fs string, v *ZFSSendArgVersion, stream io.Rea
|
||||
}
|
||||
}
|
||||
|
||||
args := make([]string, 0)
|
||||
args = append(args, "recv")
|
||||
if opts.RollbackAndForceRecv {
|
||||
args = append(args, "-F")
|
||||
}
|
||||
if opts.SavePartialRecvState {
|
||||
if supported, err := ResumeRecvSupported(ctx, fsdp); err != nil || !supported {
|
||||
return &ErrRecvResumeNotSupported{FS: fs, CheckErr: err}
|
||||
}
|
||||
args = append(args, "-s")
|
||||
}
|
||||
|
||||
args := []string{"recv"}
|
||||
args = append(args, opts.buildRecvFlags()...)
|
||||
args = append(args, v.FullPath(fs))
|
||||
|
||||
ctx, cancelCmd := context.WithCancel(ctx)
|
||||
@ -1235,43 +1321,38 @@ func ZFSRecvClearResumeToken(ctx context.Context, fs string) (err error) {
|
||||
return nil
|
||||
}
|
||||
|
||||
type PropertyValue struct {
|
||||
Value string
|
||||
Source PropertySource
|
||||
}
|
||||
|
||||
type ZFSProperties struct {
|
||||
m map[string]string
|
||||
m map[string]PropertyValue
|
||||
}
|
||||
|
||||
func NewZFSProperties() *ZFSProperties {
|
||||
return &ZFSProperties{make(map[string]string, 4)}
|
||||
}
|
||||
|
||||
func (p *ZFSProperties) Set(key, val string) {
|
||||
p.m[key] = val
|
||||
return &ZFSProperties{make(map[string]PropertyValue, 4)}
|
||||
}
|
||||
|
||||
func (p *ZFSProperties) Get(key string) string {
|
||||
return p.m[key].Value
|
||||
}
|
||||
|
||||
func (p *ZFSProperties) GetDetails(key string) PropertyValue {
|
||||
return p.m[key]
|
||||
}
|
||||
|
||||
func (p *ZFSProperties) appendArgs(args *[]string) (err error) {
|
||||
for prop, val := range p.m {
|
||||
func zfsSet(ctx context.Context, path string, props map[string]string) error {
|
||||
args := make([]string, 0)
|
||||
args = append(args, "set")
|
||||
|
||||
for prop, val := range props {
|
||||
if strings.Contains(prop, "=") {
|
||||
return errors.New("prop contains rune '=' which is the delimiter between property name and value")
|
||||
}
|
||||
*args = append(*args, fmt.Sprintf("%s=%s", prop, val))
|
||||
}
|
||||
return nil
|
||||
args = append(args, fmt.Sprintf("%s=%s", prop, val))
|
||||
}
|
||||
|
||||
func ZFSSet(ctx context.Context, fs *DatasetPath, props *ZFSProperties) (err error) {
|
||||
return zfsSet(ctx, fs.ToString(), props)
|
||||
}
|
||||
|
||||
func zfsSet(ctx context.Context, path string, props *ZFSProperties) (err error) {
|
||||
args := make([]string, 0)
|
||||
args = append(args, "set")
|
||||
err = props.appendArgs(&args)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
args = append(args, path)
|
||||
|
||||
cmd := zfscmd.CommandContext(ctx, ZFS_BINARY, args...)
|
||||
@ -1283,11 +1364,15 @@ func zfsSet(ctx context.Context, path string, props *ZFSProperties) (err error)
|
||||
}
|
||||
}
|
||||
|
||||
return
|
||||
return err
|
||||
}
|
||||
|
||||
func ZFSSet(ctx context.Context, fs *DatasetPath, props map[string]string) error {
|
||||
return zfsSet(ctx, fs.ToString(), props)
|
||||
}
|
||||
|
||||
func ZFSGet(ctx context.Context, fs *DatasetPath, props []string) (*ZFSProperties, error) {
|
||||
return zfsGet(ctx, fs.ToString(), props, sourceAny)
|
||||
return zfsGet(ctx, fs.ToString(), props, SourceAny)
|
||||
}
|
||||
|
||||
// The returned error includes requested filesystem and version as quoted strings in its error message
|
||||
@ -1307,7 +1392,7 @@ func ZFSGetGUID(ctx context.Context, fs string, version string) (g uint64, err e
|
||||
return 0, errors.New("version does not start with @ or #")
|
||||
}
|
||||
path := fmt.Sprintf("%s%s", fs, version)
|
||||
props, err := zfsGet(ctx, path, []string{"guid"}, sourceAny) // always local
|
||||
props, err := zfsGet(ctx, path, []string{"guid"}, SourceAny) // always local
|
||||
if err != nil {
|
||||
return 0, err
|
||||
}
|
||||
@ -1323,7 +1408,7 @@ func ZFSGetMountpoint(ctx context.Context, fs string) (*GetMountpointOutput, err
|
||||
if err := EntityNamecheck(fs, EntityTypeFilesystem); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
props, err := zfsGet(ctx, fs, []string{"mountpoint", "mounted"}, sourceAny)
|
||||
props, err := zfsGet(ctx, fs, []string{"mountpoint", "mounted"}, SourceAny)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
@ -1340,7 +1425,7 @@ func ZFSGetMountpoint(ctx context.Context, fs string) (*GetMountpointOutput, err
|
||||
}
|
||||
|
||||
func ZFSGetRawAnySource(ctx context.Context, path string, props []string) (*ZFSProperties, error) {
|
||||
return zfsGet(ctx, path, props, sourceAny)
|
||||
return zfsGet(ctx, path, props, SourceAny)
|
||||
}
|
||||
|
||||
var zfsGetDatasetDoesNotExistRegexp = regexp.MustCompile(`^cannot open '([^)]+)': (dataset does not exist|no such pool or dataset)`) // verified in platformtest
|
||||
@ -1360,46 +1445,68 @@ func tryDatasetDoesNotExist(expectPath string, stderr []byte) *DatasetDoesNotExi
|
||||
return nil
|
||||
}
|
||||
|
||||
type zfsPropertySource uint
|
||||
//go:generate enumer -type=PropertySource -trimprefix=Source
|
||||
type PropertySource uint
|
||||
|
||||
const (
|
||||
sourceLocal zfsPropertySource = 1 << iota
|
||||
sourceDefault
|
||||
sourceInherited
|
||||
sourceNone
|
||||
sourceTemporary
|
||||
sourceReceived
|
||||
SourceLocal PropertySource = 1 << iota
|
||||
SourceDefault
|
||||
SourceInherited
|
||||
SourceNone
|
||||
SourceTemporary
|
||||
SourceReceived
|
||||
|
||||
sourceAny zfsPropertySource = ^zfsPropertySource(0)
|
||||
SourceAny PropertySource = ^PropertySource(0)
|
||||
)
|
||||
|
||||
func (s zfsPropertySource) zfsGetSourceFieldPrefixes() []string {
|
||||
var propertySourceParseLUT = map[string]PropertySource{
|
||||
"local": SourceLocal,
|
||||
"default": SourceDefault,
|
||||
"inherited": SourceInherited,
|
||||
"-": SourceNone,
|
||||
"temporary": SourceTemporary,
|
||||
"received": SourceReceived,
|
||||
}
|
||||
|
||||
func parsePropertySource(s string) (PropertySource, error) {
|
||||
fields := strings.Fields(s)
|
||||
if len(fields) > 0 {
|
||||
v, ok := propertySourceParseLUT[fields[0]]
|
||||
if ok {
|
||||
return v, nil
|
||||
}
|
||||
// fallthrough
|
||||
}
|
||||
return 0, fmt.Errorf("unknown property source %q", s)
|
||||
}
|
||||
|
||||
func (s PropertySource) zfsGetSourceFieldPrefixes() []string {
|
||||
prefixes := make([]string, 0, 7)
|
||||
if s&sourceLocal != 0 {
|
||||
if s&SourceLocal != 0 {
|
||||
prefixes = append(prefixes, "local")
|
||||
}
|
||||
if s&sourceDefault != 0 {
|
||||
if s&SourceDefault != 0 {
|
||||
prefixes = append(prefixes, "default")
|
||||
}
|
||||
if s&sourceInherited != 0 {
|
||||
if s&SourceInherited != 0 {
|
||||
prefixes = append(prefixes, "inherited")
|
||||
}
|
||||
if s&sourceNone != 0 {
|
||||
if s&SourceNone != 0 {
|
||||
prefixes = append(prefixes, "-")
|
||||
}
|
||||
if s&sourceTemporary != 0 {
|
||||
if s&SourceTemporary != 0 {
|
||||
prefixes = append(prefixes, "temporary")
|
||||
}
|
||||
if s&sourceReceived != 0 {
|
||||
if s&SourceReceived != 0 {
|
||||
prefixes = append(prefixes, "received")
|
||||
}
|
||||
if s == sourceAny {
|
||||
if s == SourceAny {
|
||||
prefixes = append(prefixes, "")
|
||||
}
|
||||
return prefixes
|
||||
}
|
||||
|
||||
func zfsGet(ctx context.Context, path string, props []string, allowedSources zfsPropertySource) (*ZFSProperties, error) {
|
||||
func zfsGet(ctx context.Context, path string, props []string, allowedSources PropertySource) (*ZFSProperties, error) {
|
||||
args := []string{"get", "-Hp", "-o", "property,value,source", strings.Join(props, ","), path}
|
||||
cmd := zfscmd.CommandContext(ctx, ZFS_BINARY, args...)
|
||||
stdout, err := cmd.Output()
|
||||
@ -1425,7 +1532,7 @@ func zfsGet(ctx context.Context, path string, props []string, allowedSources zfs
|
||||
return nil, fmt.Errorf("zfs get did not return the number of expected property values")
|
||||
}
|
||||
res := &ZFSProperties{
|
||||
make(map[string]string, len(lines)),
|
||||
make(map[string]PropertyValue, len(lines)),
|
||||
}
|
||||
allowedPrefixes := allowedSources.zfsGetSourceFieldPrefixes()
|
||||
for _, line := range lines[:len(lines)-1] {
|
||||
@ -1436,8 +1543,16 @@ func zfsGet(ctx context.Context, path string, props []string, allowedSources zfs
|
||||
return nil, fmt.Errorf("zfs get did not return property,value,source tuples")
|
||||
}
|
||||
for _, p := range allowedPrefixes {
|
||||
// prefix-match so that SourceAny (= "") works
|
||||
if strings.HasPrefix(fields[2], p) {
|
||||
res.m[fields[0]] = fields[1]
|
||||
source, err := parsePropertySource(fields[2])
|
||||
if err != nil {
|
||||
return nil, errors.Wrap(err, "parse property source")
|
||||
}
|
||||
res.m[fields[0]] = PropertyValue{
|
||||
Value: fields[1],
|
||||
Source: source,
|
||||
}
|
||||
break
|
||||
}
|
||||
}
|
||||
|
154
zfs/zfs_test.go
154
zfs/zfs_test.go
@ -5,6 +5,9 @@ import (
|
||||
"strings"
|
||||
"testing"
|
||||
|
||||
"github.com/zrepl/zrepl/util/nodefault"
|
||||
zfsprop "github.com/zrepl/zrepl/zfs/property"
|
||||
|
||||
"github.com/stretchr/testify/assert"
|
||||
"github.com/stretchr/testify/require"
|
||||
)
|
||||
@ -41,20 +44,20 @@ func TestDatasetPathTrimNPrefixComps(t *testing.T) {
|
||||
func TestZFSPropertySource(t *testing.T) {
|
||||
|
||||
tcs := []struct {
|
||||
in zfsPropertySource
|
||||
in PropertySource
|
||||
exp []string
|
||||
}{
|
||||
{
|
||||
in: sourceAny,
|
||||
in: SourceAny,
|
||||
// although empty prefix matches any source
|
||||
exp: []string{"local", "default", "inherited", "-", "temporary", "received", ""},
|
||||
},
|
||||
{
|
||||
in: sourceTemporary,
|
||||
in: SourceTemporary,
|
||||
exp: []string{"temporary"},
|
||||
},
|
||||
{
|
||||
in: sourceLocal | sourceInherited,
|
||||
in: SourceLocal | SourceInherited,
|
||||
exp: []string{"local", "inherited"},
|
||||
},
|
||||
}
|
||||
@ -69,6 +72,21 @@ func TestZFSPropertySource(t *testing.T) {
|
||||
|
||||
for _, tc := range tcs {
|
||||
|
||||
t.Logf("TEST CASE %v", tc)
|
||||
|
||||
// give the parsing code some coverage
|
||||
for _, e := range tc.exp {
|
||||
if e == "" {
|
||||
continue // "" is the prefix that matches SourceAny
|
||||
}
|
||||
s, err := parsePropertySource(e)
|
||||
assert.NoError(t, err)
|
||||
t.Logf("s: %x %s", s, s)
|
||||
t.Logf("in: %x %s", tc.in, tc.in)
|
||||
assert.True(t, s&tc.in != 0)
|
||||
}
|
||||
|
||||
// prefix matching
|
||||
res := tc.in.zfsGetSourceFieldPrefixes()
|
||||
resSet := toSet(res)
|
||||
expSet := toSet(tc.exp)
|
||||
@ -304,3 +322,131 @@ func TestTryRecvDestroyOrOverwriteEncryptedErr(t *testing.T) {
|
||||
require.NotNil(t, err)
|
||||
assert.EqualError(t, err, strings.TrimSpace(msg))
|
||||
}
|
||||
|
||||
func TestZFSSendArgsBuildSendFlags(t *testing.T) {
|
||||
|
||||
type args = ZFSSendFlags
|
||||
type SendTest struct {
|
||||
conf args
|
||||
exactMatch bool
|
||||
flagsInclude []string
|
||||
flagsExclude []string
|
||||
}
|
||||
|
||||
withEncrypted := func(justFlags ZFSSendFlags) ZFSSendFlags {
|
||||
if justFlags.Encrypted == nil {
|
||||
justFlags.Encrypted = &nodefault.Bool{B: false}
|
||||
}
|
||||
return justFlags
|
||||
}
|
||||
|
||||
var sendTests = map[string]SendTest{
|
||||
"Empty Args": {
|
||||
conf: withEncrypted(args{}),
|
||||
flagsInclude: []string{},
|
||||
flagsExclude: []string{"-w", "-p", "-b"},
|
||||
},
|
||||
"Raw": {
|
||||
conf: withEncrypted(args{Raw: true}),
|
||||
flagsInclude: []string{"-w"},
|
||||
flagsExclude: []string{},
|
||||
},
|
||||
"Encrypted": {
|
||||
conf: withEncrypted(args{Encrypted: &nodefault.Bool{B: true}}),
|
||||
flagsInclude: []string{"-w"},
|
||||
flagsExclude: []string{},
|
||||
},
|
||||
"Unencrypted_And_Raw": {
|
||||
conf: withEncrypted(args{Encrypted: &nodefault.Bool{B: false}, Raw: true}),
|
||||
flagsInclude: []string{"-w"},
|
||||
flagsExclude: []string{},
|
||||
},
|
||||
"Encrypted_And_Raw": {
|
||||
conf: withEncrypted(args{Encrypted: &nodefault.Bool{B: true}, Raw: true}),
|
||||
flagsInclude: []string{"-w"},
|
||||
flagsExclude: []string{},
|
||||
},
|
||||
"Send properties": {
|
||||
conf: withEncrypted(args{Properties: true}),
|
||||
flagsInclude: []string{"-p"},
|
||||
flagsExclude: []string{},
|
||||
},
|
||||
"Send backup properties": {
|
||||
conf: withEncrypted(args{BackupProperties: true}),
|
||||
flagsInclude: []string{"-b"},
|
||||
flagsExclude: []string{},
|
||||
},
|
||||
"Send -b and -p": {
|
||||
conf: withEncrypted(args{Properties: true, BackupProperties: true}),
|
||||
flagsInclude: []string{"-p", "-b"},
|
||||
flagsExclude: []string{},
|
||||
},
|
||||
"Send resume state": {
|
||||
conf: withEncrypted(args{Saved: true}),
|
||||
flagsInclude: []string{"-S"},
|
||||
},
|
||||
"Resume token wins if not empty": {
|
||||
conf: withEncrypted(args{ResumeToken: "$theresumetoken$", Compressed: true}),
|
||||
flagsInclude: []string{"-t", "$theresumetoken$"},
|
||||
exactMatch: true,
|
||||
},
|
||||
}
|
||||
|
||||
for testName, test := range sendTests {
|
||||
t.Run(testName, func(t *testing.T) {
|
||||
flags := test.conf.buildSendFlagsUnchecked()
|
||||
assert.GreaterOrEqual(t, len(flags), len(test.flagsInclude))
|
||||
assert.Subset(t, flags, test.flagsInclude)
|
||||
if test.exactMatch {
|
||||
assert.Equal(t, flags, test.flagsInclude)
|
||||
}
|
||||
for flag := range flags {
|
||||
assert.NotContains(t, test.flagsExclude, flag)
|
||||
}
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
func TestZFSCommonRecvArgsBuild(t *testing.T) {
|
||||
type RecvTest struct {
|
||||
conf RecvOptions
|
||||
flagsInclude []string
|
||||
flagsExclude []string
|
||||
}
|
||||
var recvTests = map[string]RecvTest{
|
||||
"Empty Args": {
|
||||
conf: RecvOptions{},
|
||||
flagsInclude: []string{},
|
||||
flagsExclude: []string{"-x", "-o", "-F", "-s"},
|
||||
},
|
||||
"ForceRollback": {
|
||||
conf: RecvOptions{RollbackAndForceRecv: true},
|
||||
flagsInclude: []string{"-F"},
|
||||
flagsExclude: []string{"-x", "-o", "-s"},
|
||||
},
|
||||
"PartialSend": {
|
||||
conf: RecvOptions{SavePartialRecvState: true},
|
||||
flagsInclude: []string{"-s"},
|
||||
flagsExclude: []string{"-x", "-o", "-F"},
|
||||
},
|
||||
"Override properties": {
|
||||
conf: RecvOptions{OverrideProperties: map[zfsprop.Property]string{zfsprop.Property("abc"): "123"}},
|
||||
flagsInclude: []string{"-o", "abc=123"},
|
||||
flagsExclude: []string{"-x", "-F", "-s"},
|
||||
},
|
||||
"Exclude/inherit properties": {
|
||||
conf: RecvOptions{InheritProperties: []zfsprop.Property{"abc", "123"}},
|
||||
flagsInclude: []string{"-x", "abc", "123"}, flagsExclude: []string{"-o", "-F", "-s"},
|
||||
},
|
||||
}
|
||||
|
||||
for testName, test := range recvTests {
|
||||
t.Run(testName, func(t *testing.T) {
|
||||
flags := test.conf.buildRecvFlags()
|
||||
assert.Subset(t, flags, test.flagsInclude)
|
||||
for flag := range flags {
|
||||
assert.NotContains(t, test.flagsExclude, flag)
|
||||
}
|
||||
})
|
||||
}
|
||||
}
|
||||
|
Loading…
Reference in New Issue
Block a user