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backend: add standardized Config.ApplyEnvironment

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This removes the backend specific special cases while parsing the
configuration in `global.go`.
This commit is contained in:
Michael Eischer
2023-04-21 21:51:58 +02:00
parent f903db492c
commit 32a6b66267
8 changed files with 68 additions and 144 deletions
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12
internal/backend/azure/config.go
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@@ -7,6 +7,7 @@ import (
"github.com/restic/restic/internal/errors"
"github.com/restic/restic/internal/options"
"github.com/restic/restic/internal/restic"
)
// Config contains all configuration necessary to connect to an azure compatible
@@ -55,19 +56,20 @@ func ParseConfig(s string) (*Config, error) {
return &cfg, nil
}
var _ restic.ApplyEnvironmenter = &Config{}
// ApplyEnvironment saves values from the environment to the config.
func ApplyEnvironment(cfgRaw interface{}) error {
cfg := cfgRaw.(*Config)
func (cfg *Config) ApplyEnvironment(prefix string) error {
if cfg.AccountName == "" {
cfg.AccountName = os.Getenv("AZURE_ACCOUNT_NAME")
cfg.AccountName = os.Getenv(prefix + "AZURE_ACCOUNT_NAME")
}
if cfg.AccountKey.String() == "" {
cfg.AccountKey = options.NewSecretString(os.Getenv("AZURE_ACCOUNT_KEY"))
cfg.AccountKey = options.NewSecretString(os.Getenv(prefix + "AZURE_ACCOUNT_KEY"))
}
if cfg.AccountSAS.String() == "" {
cfg.AccountSAS = options.NewSecretString(os.Getenv("AZURE_ACCOUNT_SAS"))
cfg.AccountSAS = options.NewSecretString(os.Getenv(prefix + "AZURE_ACCOUNT_SAS"))
}
return nil
}