mirror of
https://github.com/offen/docker-volume-backup.git
synced 2025-12-10 11:11:10 +01:00
Handle configuration errors for Azure storage upfront
This commit is contained in:
Frederik Ring
@@ -12,83 +12,91 @@ import (
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"strconv"
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"time"
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"github.com/Azure/azure-sdk-for-go/sdk/storage/azblob/blob"
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"github.com/offen/docker-volume-backup/internal/errwrap"
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)
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// Config holds all configuration values that are expected to be set
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// by users.
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type Config struct {
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AwsS3BucketName string `split_words:"true"`
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AwsS3Path string `split_words:"true"`
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AwsEndpoint string `split_words:"true" default:"s3.amazonaws.com"`
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AwsEndpointProto string `split_words:"true" default:"https"`
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AwsEndpointInsecure bool `split_words:"true"`
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AwsEndpointCACert CertDecoder `envconfig:"AWS_ENDPOINT_CA_CERT"`
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AwsStorageClass string `split_words:"true"`
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AwsAccessKeyID string `envconfig:"AWS_ACCESS_KEY_ID"`
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AwsSecretAccessKey string `split_words:"true"`
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AwsIamRoleEndpoint string `split_words:"true"`
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AwsPartSize int64 `split_words:"true"`
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BackupCompression CompressionType `split_words:"true" default:"gz"`
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GzipParallelism WholeNumber `split_words:"true" default:"1"`
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BackupSources string `split_words:"true" default:"/backup"`
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BackupFilename string `split_words:"true" default:"backup-%Y-%m-%dT%H-%M-%S.{{ .Extension }}"`
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BackupFilenameExpand bool `split_words:"true"`
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BackupLatestSymlink string `split_words:"true"`
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BackupArchive string `split_words:"true" default:"/archive"`
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BackupCronExpression string `split_words:"true" default:"@daily"`
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BackupRetentionDays int32 `split_words:"true" default:"-1"`
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BackupPruningLeeway time.Duration `split_words:"true" default:"1m"`
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BackupPruningPrefix string `split_words:"true"`
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BackupStopContainerLabel string `split_words:"true"`
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BackupStopDuringBackupLabel string `split_words:"true" default:"true"`
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BackupStopServiceTimeout time.Duration `split_words:"true" default:"5m"`
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BackupFromSnapshot bool `split_words:"true"`
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BackupExcludeRegexp RegexpDecoder `split_words:"true"`
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BackupSkipBackendsFromPrune []string `split_words:"true"`
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GpgPassphrase string `split_words:"true"`
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GpgPublicKeyRing string `split_words:"true"`
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NotificationURLs []string `envconfig:"NOTIFICATION_URLS"`
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NotificationLevel string `split_words:"true" default:"error"`
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EmailNotificationRecipient string `split_words:"true"`
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EmailNotificationSender string `split_words:"true" default:"noreply@nohost"`
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EmailSMTPHost string `envconfig:"EMAIL_SMTP_HOST"`
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EmailSMTPPort int `envconfig:"EMAIL_SMTP_PORT" default:"587"`
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EmailSMTPUsername string `envconfig:"EMAIL_SMTP_USERNAME"`
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EmailSMTPPassword string `envconfig:"EMAIL_SMTP_PASSWORD"`
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WebdavUrl string `split_words:"true"`
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WebdavUrlInsecure bool `split_words:"true"`
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WebdavPath string `split_words:"true" default:"/"`
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WebdavUsername string `split_words:"true"`
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WebdavPassword string `split_words:"true"`
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SSHHostName string `split_words:"true"`
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SSHPort string `split_words:"true" default:"22"`
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SSHUser string `split_words:"true"`
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SSHPassword string `split_words:"true"`
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SSHIdentityFile string `split_words:"true" default:"/root/.ssh/id_rsa"`
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SSHIdentityPassphrase string `split_words:"true"`
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SSHRemotePath string `split_words:"true"`
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ExecLabel string `split_words:"true"`
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ExecForwardOutput bool `split_words:"true"`
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LockTimeout time.Duration `split_words:"true" default:"60m"`
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AzureStorageAccountName string `split_words:"true"`
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AzureStoragePrimaryAccountKey string `split_words:"true"`
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AzureStorageConnectionString string `split_words:"true"`
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AzureStorageContainerName string `split_words:"true"`
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AzureStoragePath string `split_words:"true"`
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AzureStorageEndpoint string `split_words:"true" default:"https://{{ .AccountName }}.blob.core.windows.net/"`
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AzureStorageAccessTier string `split_words:"true"`
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DropboxEndpoint string `split_words:"true" default:"https://api.dropbox.com/"`
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DropboxOAuth2Endpoint string `envconfig:"DROPBOX_OAUTH2_ENDPOINT" default:"https://api.dropbox.com/"`
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DropboxRefreshToken string `split_words:"true"`
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DropboxAppKey string `split_words:"true"`
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DropboxAppSecret string `split_words:"true"`
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DropboxRemotePath string `split_words:"true"`
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DropboxConcurrencyLevel NaturalNumber `split_words:"true" default:"6"`
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AwsS3BucketName string `split_words:"true"`
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AwsS3Path string `split_words:"true"`
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AwsEndpoint string `split_words:"true" default:"s3.amazonaws.com"`
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AwsEndpointProto string `split_words:"true" default:"https"`
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AwsEndpointInsecure bool `split_words:"true"`
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AwsEndpointCACert CertDecoder `envconfig:"AWS_ENDPOINT_CA_CERT"`
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AwsStorageClass string `split_words:"true"`
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AwsAccessKeyID string `envconfig:"AWS_ACCESS_KEY_ID"`
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AwsSecretAccessKey string `split_words:"true"`
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AwsIamRoleEndpoint string `split_words:"true"`
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AwsPartSize int64 `split_words:"true"`
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BackupCompression CompressionType `split_words:"true" default:"gz"`
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GzipParallelism WholeNumber `split_words:"true" default:"1"`
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BackupSources string `split_words:"true" default:"/backup"`
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BackupFilename string `split_words:"true" default:"backup-%Y-%m-%dT%H-%M-%S.{{ .Extension }}"`
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BackupFilenameExpand bool `split_words:"true"`
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BackupLatestSymlink string `split_words:"true"`
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BackupArchive string `split_words:"true" default:"/archive"`
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BackupCronExpression string `split_words:"true" default:"@daily"`
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BackupRetentionDays int32 `split_words:"true" default:"-1"`
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BackupPruningLeeway time.Duration `split_words:"true" default:"1m"`
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BackupPruningPrefix string `split_words:"true"`
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BackupStopContainerLabel string `split_words:"true"`
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BackupStopDuringBackupLabel string `split_words:"true" default:"true"`
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BackupStopServiceTimeout time.Duration `split_words:"true" default:"5m"`
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BackupFromSnapshot bool `split_words:"true"`
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BackupExcludeRegexp RegexpDecoder `split_words:"true"`
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BackupSkipBackendsFromPrune []string `split_words:"true"`
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GpgPassphrase string `split_words:"true"`
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GpgPublicKeyRing string `split_words:"true"`
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NotificationURLs []string `envconfig:"NOTIFICATION_URLS"`
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NotificationLevel string `split_words:"true" default:"error"`
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EmailNotificationRecipient string `split_words:"true"`
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EmailNotificationSender string `split_words:"true" default:"noreply@nohost"`
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EmailSMTPHost string `envconfig:"EMAIL_SMTP_HOST"`
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EmailSMTPPort int `envconfig:"EMAIL_SMTP_PORT" default:"587"`
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EmailSMTPUsername string `envconfig:"EMAIL_SMTP_USERNAME"`
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EmailSMTPPassword string `envconfig:"EMAIL_SMTP_PASSWORD"`
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WebdavUrl string `split_words:"true"`
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WebdavUrlInsecure bool `split_words:"true"`
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WebdavPath string `split_words:"true" default:"/"`
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WebdavUsername string `split_words:"true"`
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WebdavPassword string `split_words:"true"`
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SSHHostName string `split_words:"true"`
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SSHPort string `split_words:"true" default:"22"`
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SSHUser string `split_words:"true"`
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SSHPassword string `split_words:"true"`
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SSHIdentityFile string `split_words:"true" default:"/root/.ssh/id_rsa"`
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SSHIdentityPassphrase string `split_words:"true"`
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SSHRemotePath string `split_words:"true"`
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ExecLabel string `split_words:"true"`
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ExecForwardOutput bool `split_words:"true"`
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LockTimeout time.Duration `split_words:"true" default:"60m"`
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AzureStorageAccountName string `split_words:"true"`
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AzureStoragePrimaryAccountKey string `split_words:"true"`
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AzureStorageConnectionString string `split_words:"true"`
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AzureStorageContainerName string `split_words:"true"`
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AzureStoragePath string `split_words:"true"`
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AzureStorageEndpoint string `split_words:"true" default:"https://{{ .AccountName }}.blob.core.windows.net/"`
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AzureStorageAccessTier AzureStorageAccessTier `split_words:"true"`
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DropboxEndpoint string `split_words:"true" default:"https://api.dropbox.com/"`
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DropboxOAuth2Endpoint string `envconfig:"DROPBOX_OAUTH2_ENDPOINT" default:"https://api.dropbox.com/"`
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DropboxRefreshToken string `split_words:"true"`
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DropboxAppKey string `split_words:"true"`
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DropboxAppSecret string `split_words:"true"`
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DropboxRemotePath string `split_words:"true"`
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DropboxConcurrencyLevel NaturalNumber `split_words:"true" default:"6"`
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source string
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additionalEnvVars map[string]string
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}
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func (c *Config) validate() error {
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if c.AzureStoragePrimaryAccountKey != "" && c.AzureStorageConnectionString != "" {
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return errwrap.Wrap(nil, "using azure primary account key and connection string are mutually exclusive")
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}
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return nil
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}
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type CompressionType string
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func (c *CompressionType) Decode(v string) error {
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@@ -180,6 +188,30 @@ func (n *WholeNumber) Int() int {
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return int(*n)
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}
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type AzureStorageAccessTier string
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func (t *AzureStorageAccessTier) Decode(v string) error {
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if v == "" {
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*t = ""
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return nil
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}
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for _, a := range blob.PossibleAccessTierValues() {
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if string(a) == v {
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*t = AzureStorageAccessTier(v)
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return nil
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}
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}
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return errwrap.Wrap(nil, fmt.Sprintf("%s is not a possible access tier value", v))
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}
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func (t *AzureStorageAccessTier) AccessTier() *blob.AccessTier {
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if *t == "" {
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return nil
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}
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a := blob.AccessTier(*t)
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return &a
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}
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type envVarLookup struct {
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ok bool
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key string
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