Exemplo n.º 1
0
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)
}
Exemplo n.º 2
0
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)
}
Exemplo n.º 3
0
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)
}
Exemplo n.º 4
0
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)
}