func (c *ImageMetadataCommand) Init(args []string) error {
cred := identity.CredentialsFromEnv()
if c.Region == "" {
c.Region = cred.Region
}
if c.Endpoint == "" {
c.Endpoint = cred.URL
}
if c.ImageId == "" {
return fmt.Errorf("image id must be specified")
}
if c.Region == "" {
return fmt.Errorf("image region must be specified")
}
if c.Endpoint == "" {
return fmt.Errorf("cloud endpoint URL must be specified")
}
return cmd.CheckEmpty(args)
}
func (p environProvider) Validate(cfg, old *config.Config) (valid *config.Config, err error) {
// Check for valid changes for the base config values.
if err := config.Validate(cfg, old); err != nil {
return nil, err
}
validated, err := cfg.ValidateUnknownAttrs(configFields, configDefaults)
if err != nil {
return nil, err
}
ecfg := &environConfig{cfg, validated}
authMode := AuthMode(ecfg.authMode())
switch authMode {
case AuthKeyPair:
case AuthLegacy:
case AuthUserPass:
default:
return nil, fmt.Errorf("invalid authorization mode: %q", authMode)
}
if ecfg.authURL() != "" {
parts, err := url.Parse(ecfg.authURL())
if err != nil || parts.Host == "" || parts.Scheme == "" {
return nil, fmt.Errorf("invalid auth-url value %q", ecfg.authURL())
}
}
cred := identity.CredentialsFromEnv()
format := "required environment variable not set for credentials attribute: %s"
if authMode == AuthUserPass || authMode == AuthLegacy {
if ecfg.username() == "" {
if cred.User == "" {
return nil, fmt.Errorf(format, "User")
}
ecfg.attrs["username"] = cred.User
}
if ecfg.password() == "" {
if cred.Secrets == "" {
return nil, fmt.Errorf(format, "Secrets")
}
ecfg.attrs["password"] = cred.Secrets
}
} else if authMode == AuthKeyPair {
if ecfg.accessKey() == "" {
if cred.User == "" {
return nil, fmt.Errorf(format, "User")
}
ecfg.attrs["access-key"] = cred.User
}
if ecfg.secretKey() == "" {
if cred.Secrets == "" {
return nil, fmt.Errorf(format, "Secrets")
}
ecfg.attrs["secret-key"] = cred.Secrets
}
}
if ecfg.authURL() == "" {
if cred.URL == "" {
return nil, fmt.Errorf(format, "URL")
}
ecfg.attrs["auth-url"] = cred.URL
}
if ecfg.tenantName() == "" {
if cred.TenantName == "" {
return nil, fmt.Errorf(format, "TenantName")
}
ecfg.attrs["tenant-name"] = cred.TenantName
}
if ecfg.region() == "" {
if cred.Region == "" {
return nil, fmt.Errorf(format, "Region")
}
ecfg.attrs["region"] = cred.Region
}
if old != nil {
attrs := old.UnknownAttrs()
if region, _ := attrs["region"].(string); ecfg.region() != region {
return nil, fmt.Errorf("cannot change region from %q to %q", region, ecfg.region())
}
if controlBucket, _ := attrs["control-bucket"].(string); ecfg.controlBucket() != controlBucket {
return nil, fmt.Errorf("cannot change control-bucket from %q to %q", controlBucket, ecfg.controlBucket())
}
}
// Check for deprecated fields and log a warning. We also print to stderr to ensure the user sees the message
// even if they are not running with --debug.
cfgAttrs := cfg.AllAttrs()
if defaultImageId := cfgAttrs["default-image-id"]; defaultImageId != nil && defaultImageId.(string) != "" {
msg := fmt.Sprintf(
"Config attribute %q (%v) is deprecated and ignored.\n"+
"Your cloud provider should have set up image metadata to provide the correct image id\n"+
"for your chosen series and archietcure. If this is a private Openstack deployment without\n"+
"existing image metadata, please run 'juju-metadata help' to see how suitable image"+
"metadata can be generated.",
"default-image-id", defaultImageId)
logger.Warningf(msg)
}
if defaultInstanceType := cfgAttrs["default-instance-type"]; defaultInstanceType != nil && defaultInstanceType.(string) != "" {
msg := fmt.Sprintf(
"Config attribute %q (%v) is deprecated and ignored.\n"+
"The correct instance flavor is determined using constraints, globally specified\n"+
"when an environment is bootstrapped, or individually when a charm is deployed.\n"+
"See 'juju help bootstrap' or 'juju help deploy'.",
"default-instance-type", defaultInstanceType)
logger.Warningf(msg)
}
// Construct a new config with the deprecated attributes removed.
for _, attr := range []string{"default-image-id", "default-instance-type"} {
delete(cfgAttrs, attr)
delete(ecfg.attrs, attr)
}
for k, v := range ecfg.attrs {
cfgAttrs[k] = v
}
return config.New(config.NoDefaults, cfgAttrs)
}
func (p environProvider) Validate(cfg, old *config.Config) (valid *config.Config, err error) {
v, err := configChecker.Coerce(cfg.UnknownAttrs(), nil)
if err != nil {
return nil, err
}
ecfg := &environConfig{cfg, v.(map[string]interface{})}
authMethod := ecfg.authMethod()
switch AuthMethod(authMethod) {
case AuthLegacy:
case AuthUserPass:
default:
return nil, fmt.Errorf("invalid authorization method: %q", authMethod)
}
if ecfg.authURL() != "" {
parts, err := url.Parse(ecfg.authURL())
if err != nil || parts.Host == "" || parts.Scheme == "" {
return nil, fmt.Errorf("invalid auth-url value %q", ecfg.authURL())
}
}
cred := identity.CredentialsFromEnv()
format := "required environment variable not set for credentials attribute: %s"
if ecfg.username() == "" {
if cred.User == "" {
return nil, fmt.Errorf(format, "User")
}
ecfg.attrs["username"] = cred.User
}
if ecfg.password() == "" {
if cred.Secrets == "" {
return nil, fmt.Errorf(format, "Secrets")
}
ecfg.attrs["password"] = cred.Secrets
}
if ecfg.authURL() == "" {
if cred.URL == "" {
return nil, fmt.Errorf(format, "URL")
}
ecfg.attrs["auth-url"] = cred.URL
}
if ecfg.tenantName() == "" {
if cred.TenantName == "" {
return nil, fmt.Errorf(format, "TenantName")
}
ecfg.attrs["tenant-name"] = cred.TenantName
}
if ecfg.region() == "" {
if cred.Region == "" {
return nil, fmt.Errorf(format, "Region")
}
ecfg.attrs["region"] = cred.Region
}
if old != nil {
attrs := old.UnknownAttrs()
if region, _ := attrs["region"].(string); ecfg.region() != region {
return nil, fmt.Errorf("cannot change region from %q to %q", region, ecfg.region())
}
if controlBucket, _ := attrs["control-bucket"].(string); ecfg.controlBucket() != controlBucket {
return nil, fmt.Errorf("cannot change control-bucket from %q to %q", controlBucket, ecfg.controlBucket())
}
}
switch cfg.FirewallMode() {
case config.FwDefault:
ecfg.attrs["firewall-mode"] = config.FwInstance
case config.FwInstance, config.FwGlobal:
default:
return nil, fmt.Errorf("unsupported firewall mode: %q", cfg.FirewallMode())
}
return cfg.Apply(ecfg.attrs)
}
func (p environProvider) Validate(cfg, old *config.Config) (valid *config.Config, err error) {
// Check for valid changes for the base config values.
if err := config.Validate(cfg, old); err != nil {
return nil, err
}
// Check for deprecated fields and log a warning. We also print to stderr to ensure the user sees the message
// even if they are not running with --debug.
if defaultImageId := cfg.AllAttrs()["default-image-id"]; defaultImageId != nil && defaultImageId.(string) != "" {
msg := fmt.Sprintf(
"config attribute %q (%v) is deprecated and ignored, use simplestreams metadata instead",
"default-image-id", defaultImageId)
log.Warningf(msg)
}
if defaultInstanceType := cfg.AllAttrs()["default-instance-type"]; defaultInstanceType != nil && defaultInstanceType.(string) != "" {
msg := fmt.Sprintf(
"config attribute %q (%v) is deprecated and ignored", "default-instance-type", defaultInstanceType)
log.Warningf(msg)
}
validated, err := cfg.ValidateUnknownAttrs(configFields, configDefaults)
if err != nil {
return nil, err
}
ecfg := &environConfig{cfg, validated}
authMode := AuthMode(ecfg.authMode())
switch authMode {
case AuthKeyPair:
case AuthLegacy:
case AuthUserPass:
default:
return nil, fmt.Errorf("invalid authorization mode: %q", authMode)
}
if ecfg.authURL() != "" {
parts, err := url.Parse(ecfg.authURL())
if err != nil || parts.Host == "" || parts.Scheme == "" {
return nil, fmt.Errorf("invalid auth-url value %q", ecfg.authURL())
}
}
cred := identity.CredentialsFromEnv()
format := "required environment variable not set for credentials attribute: %s"
if authMode == AuthUserPass || authMode == AuthLegacy {
if ecfg.username() == "" {
if cred.User == "" {
return nil, fmt.Errorf(format, "User")
}
ecfg.attrs["username"] = cred.User
}
if ecfg.password() == "" {
if cred.Secrets == "" {
return nil, fmt.Errorf(format, "Secrets")
}
ecfg.attrs["password"] = cred.Secrets
}
} else if authMode == AuthKeyPair {
if ecfg.accessKey() == "" {
if cred.User == "" {
return nil, fmt.Errorf(format, "User")
}
ecfg.attrs["access-key"] = cred.User
}
if ecfg.secretKey() == "" {
if cred.Secrets == "" {
return nil, fmt.Errorf(format, "Secrets")
}
ecfg.attrs["secret-key"] = cred.Secrets
}
}
if ecfg.authURL() == "" {
if cred.URL == "" {
return nil, fmt.Errorf(format, "URL")
}
ecfg.attrs["auth-url"] = cred.URL
}
if ecfg.tenantName() == "" {
if cred.TenantName == "" {
return nil, fmt.Errorf(format, "TenantName")
}
ecfg.attrs["tenant-name"] = cred.TenantName
}
if ecfg.region() == "" {
if cred.Region == "" {
return nil, fmt.Errorf(format, "Region")
}
ecfg.attrs["region"] = cred.Region
}
if old != nil {
attrs := old.UnknownAttrs()
if region, _ := attrs["region"].(string); ecfg.region() != region {
return nil, fmt.Errorf("cannot change region from %q to %q", region, ecfg.region())
}
if controlBucket, _ := attrs["control-bucket"].(string); ecfg.controlBucket() != controlBucket {
return nil, fmt.Errorf("cannot change control-bucket from %q to %q", controlBucket, ecfg.controlBucket())
}
}
// Apply the coerced unknown values back into the config.
return cfg.Apply(ecfg.attrs)
}