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https://github.com/zrepl/zrepl.git
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6a05e101cf
Implement * pruning on source side * local job * test subcommand for doing a dry-run of a prune policy * use a non-blocking callback from autosnap to trigger the depending jobs -> avoids races, looks saner in the debug log
97 lines
2.1 KiB
Go
97 lines
2.1 KiB
Go
package cmd
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import (
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"io"
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"fmt"
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"github.com/pkg/errors"
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"github.com/zrepl/zrepl/zfs"
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)
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type Config struct {
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Global Global
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Jobs map[string]Job
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}
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func (c *Config) LookupJob(name string) (j Job, err error) {
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j, ok := conf.Jobs[name]
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if !ok {
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return nil, errors.Errorf("job '%s' is not defined", name)
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}
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return j, nil
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}
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type Global struct {
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Serve struct {
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Stdinserver struct {
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SockDir string
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}
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}
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}
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type JobDebugSettings struct {
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Conn struct {
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ReadDump string `mapstructure:"read_dump"`
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WriteDump string `mapstructure:"write_dump"`
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}
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RPC struct {
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Log bool
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}
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}
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type RWCConnecter interface {
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Connect() (io.ReadWriteCloser, error)
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}
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type AuthenticatedChannelListenerFactory interface {
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Listen() (AuthenticatedChannelListener, error)
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}
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type AuthenticatedChannelListener interface {
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Accept() (ch io.ReadWriteCloser, err error)
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Close() (err error)
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}
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type SSHStdinServerConnectDescr struct {
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}
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type PrunePolicy interface {
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Prune(fs *zfs.DatasetPath, versions []zfs.FilesystemVersion) (keep, remove []zfs.FilesystemVersion, err error)
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}
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type PruningJob interface {
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Pruner(side PrunePolicySide, dryRun bool) (Pruner, error)
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}
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// A type for constants describing different prune policies of a PruningJob
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// This is mostly a special-case for LocalJob, which is the only job that has two prune policies
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// instead of one.
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// It implements github.com/spf13/pflag.Value to be used as CLI flag for the test subcommand
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type PrunePolicySide string
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const (
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PrunePolicySideDefault PrunePolicySide = ""
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PrunePolicySideLeft PrunePolicySide = "left"
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PrunePolicySideRight PrunePolicySide = "right"
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)
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func (s *PrunePolicySide) String() string {
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return string(*s)
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}
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func (s *PrunePolicySide) Set(news string) error {
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p := PrunePolicySide(news)
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switch p {
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case PrunePolicySideRight:
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fallthrough
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case PrunePolicySideLeft:
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*s = p
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default:
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return errors.Errorf("must be either %s or %s", PrunePolicySideLeft, PrunePolicySideRight)
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}
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return nil
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}
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func (s *PrunePolicySide) Type() string {
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return fmt.Sprintf("%s | %s", PrunePolicySideLeft, PrunePolicySideRight)
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}
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