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Add PreValidate hook (#359)

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Fix #332.

This adds a new "PreValidate" hook that is executed before checking
the backup location. This allows, for example, mounting a remote
source to make the directories of the location available.

"PreValidate" is added as a new hook to avoid any breakage that might
have been caused by changing the behaviour of the "before" hook.

Documentataion updates included.
This commit is contained in:
Stuart Hickinbottom
2024-03-12 14:22:43 +00:00
committed by GitHub
parent bbb1c85cad
commit 13aa560fda
6 changed files with 37 additions and 19 deletions
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9
internal/config.go
View File

@@ -132,10 +132,11 @@ func (c *Config) Describe() {
tmp = ""
hooks := map[string][]string{
"Before": l.Hooks.Before,
"After": l.Hooks.After,
"Failure": l.Hooks.Failure,
"Success": l.Hooks.Success,
"PreValidate": l.Hooks.PreValidate,
"Before": l.Hooks.Before,
"After": l.Hooks.After,
"Failure": l.Hooks.Failure,
"Success": l.Hooks.Success,
}
for hook, commands := range hooks {
if len(commands) > 0 {

22
internal/location.go
View File

@@ -33,11 +33,12 @@ const (
)
type Hooks struct {
Dir string `mapstructure:"dir"`
Before HookArray `mapstructure:"before,omitempty"`
After HookArray `mapstructure:"after,omitempty"`
Success HookArray `mapstructure:"success,omitempty"`
Failure HookArray `mapstructure:"failure,omitempty"`
Dir string `mapstructure:"dir"`
PreValidate HookArray `mapstructure:"prevalidate,omitempty"`
Before HookArray `mapstructure:"before,omitempty"`
After HookArray `mapstructure:"after,omitempty"`
Success HookArray `mapstructure:"success,omitempty"`
Failure HookArray `mapstructure:"failure,omitempty"`
}
type LocationCopy = map[string][]string
@@ -184,12 +185,18 @@ func (l Location) Backup(cron bool, specificBackend string) []error {
},
}
// Hooks before location validation
if err := l.ExecuteHooks(l.Hooks.PreValidate, options); err != nil {
errors = append(errors, err)
goto after
}
if err := l.validate(); err != nil {
errors = append(errors, err)
goto after
}
// Hooks
// Hooks after location validation
if err := l.ExecuteHooks(l.Hooks.Before, options); err != nil {
errors = append(errors, err)
goto after
@@ -289,12 +296,13 @@ func (l Location) Backup(cron bool, specificBackend string) []error {
}
}
// After hooks
// After backup hooks
if err := l.ExecuteHooks(l.Hooks.After, options); err != nil {
errors = append(errors, err)
}
after:
// Success/failure hooks
var commands []string
var isSuccess = len(errors) == 0
if isSuccess {