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config: parse InitialReplPolicy with default to most_recent

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This commit is contained in:
Christian Schwarz 2017-05-07 12:00:34 +02:00
parent c71be910f9
commit fa97d3d98a
1 changed files with 53 additions and 8 deletions
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61
cmd/config.go
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@ -16,6 +16,8 @@ import (
const LOCAL_TRANSPORT_IDENTITY string = "local"
const DEFAULT_INITIAL_REPL_POLICY = InitialReplPolicyMostRecent
type Pool struct {
Name string
Transport Transport
@ -37,13 +39,22 @@ type SSHTransport struct {
Options []string
}
type InitialReplPolicy string
const (
InitialReplPolicyMostRecent InitialReplPolicy = "most_recent"
InitialReplPolicyAll InitialReplPolicy = "all"
)
type Push struct {
To *Pool
Datasets []zfs.DatasetPath
To *Pool
Datasets []zfs.DatasetPath
InitialReplPolicy InitialReplPolicy
}
type Pull struct {
From *Pool
Mapping zfs.DatasetMapping
From *Pool
Mapping zfs.DatasetMapping
InitialReplPolicy InitialReplPolicy
}
type ClientMapping struct {
From string
@ -165,8 +176,9 @@ type poolLookup func(name string) (*Pool, error)
func parsePushs(v interface{}, pl poolLookup) (p []Push, err error) {
asList := make([]struct {
To string
Datasets []string
To string
Datasets []string
InitialReplPolicy string
}, 0)
if err = mapstructure.Decode(v, &asList); err != nil {
@ -192,6 +204,10 @@ func parsePushs(v interface{}, pl poolLookup) (p []Push, err error) {
}
}
if push.InitialReplPolicy, err = parseInitialReplPolicy(e.InitialReplPolicy, DEFAULT_INITIAL_REPL_POLICY); err != nil {
return
}
p[i] = push
}
@ -201,8 +217,9 @@ func parsePushs(v interface{}, pl poolLookup) (p []Push, err error) {
func parsePulls(v interface{}, pl poolLookup) (p []Pull, err error) {
asList := make([]struct {
From string
Mapping map[string]string
From string
Mapping map[string]string
InitialReplPolicy string
}, 0)
if err = mapstructure.Decode(v, &asList); err != nil {
@ -232,12 +249,40 @@ func parsePulls(v interface{}, pl poolLookup) (p []Pull, err error) {
if pull.Mapping, err = parseComboMapping(e.Mapping); err != nil {
return
}
if pull.InitialReplPolicy, err = parseInitialReplPolicy(e.InitialReplPolicy, DEFAULT_INITIAL_REPL_POLICY); err != nil {
return
}
p[i] = pull
}
return
}
func parseInitialReplPolicy(v interface{}, defaultPolicy InitialReplPolicy) (p InitialReplPolicy, err error) {
s, ok := v.(string)
if !ok {
goto err
}
switch {
case s == "":
p = defaultPolicy
case s == "most_recent":
p = InitialReplPolicyMostRecent
case s == "all":
p = InitialReplPolicyAll
default:
goto err
}
return
err:
err = errors.New(fmt.Sprintf("expected InitialReplPolicy, got %#v", v))
return
}
func expectList(v interface{}) (asList []interface{}, err error) {
var ok bool
if asList, ok = v.([]interface{}); !ok {