diff options
Diffstat (limited to 'internal/backend/s3/config.go')
| -rw-r--r-- | internal/backend/s3/config.go | 23 |
1 files changed, 20 insertions, 3 deletions
diff --git a/internal/backend/s3/config.go b/internal/backend/s3/config.go index 9050e20f4..8dcad9eee 100644 --- a/internal/backend/s3/config.go +++ b/internal/backend/s3/config.go @@ -2,11 +2,13 @@ package s3 import ( "net/url" + "os" "path" "strings" "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 s3 compatible @@ -44,7 +46,7 @@ func init() { // supported configuration formats are s3://host/bucketname/prefix and // s3:host/bucketname/prefix. The host can also be a valid s3 region // name. If no prefix is given the prefix "restic" will be used. -func ParseConfig(s string) (interface{}, error) { +func ParseConfig(s string) (*Config, error) { switch { case strings.HasPrefix(s, "s3:http"): // assume that a URL has been specified, parse it and @@ -75,7 +77,7 @@ func ParseConfig(s string) (interface{}, error) { return createConfig(endpoint, bucket, prefix, false) } -func createConfig(endpoint, bucket, prefix string, useHTTP bool) (interface{}, error) { +func createConfig(endpoint, bucket, prefix string, useHTTP bool) (*Config, error) { if endpoint == "" { return nil, errors.New("s3: invalid format, host/region or bucket name not found") } @@ -89,5 +91,20 @@ func createConfig(endpoint, bucket, prefix string, useHTTP bool) (interface{}, e cfg.UseHTTP = useHTTP cfg.Bucket = bucket cfg.Prefix = prefix - return cfg, nil + return &cfg, nil +} + +var _ restic.ApplyEnvironmenter = &Config{} + +// ApplyEnvironment saves values from the environment to the config. +func (cfg *Config) ApplyEnvironment(prefix string) { + if cfg.KeyID == "" { + cfg.KeyID = os.Getenv(prefix + "AWS_ACCESS_KEY_ID") + } + if cfg.Secret.String() == "" { + cfg.Secret = options.NewSecretString(os.Getenv(prefix + "AWS_SECRET_ACCESS_KEY")) + } + if cfg.Region == "" { + cfg.Region = os.Getenv(prefix + "AWS_DEFAULT_REGION") + } } |