Golang ErrInvalidInput.Info方法代码示例

// ToLBMonitorUpdateMap allows UpdateOpts to satisfy the UpdateOptsBuilder
// interface
func (opts UpdateOpts) ToLBMonitorUpdateMap() (map[string]interface{}, error) {
	if opts.Delay > 0 && opts.Timeout > 0 && opts.Delay < opts.Timeout {
		err := gophercloud.ErrInvalidInput{}
		err.Argument = "monitors.CreateOpts.Delay/monitors.CreateOpts.Timeout"
		err.Value = fmt.Sprintf("%d/%d", opts.Delay, opts.Timeout)
		err.Info = "Delay must be greater than or equal to timeout"
		return nil, err
	}
	return gophercloud.BuildRequestBody(opts, "health_monitor")
}

// ToMap is a convenience function for creating sub-maps for individual users.
func (opts CreateOpts) ToMap() (map[string]interface{}, error) {
	if opts.Name == "root" {
		err := gophercloud.ErrInvalidInput{}
		err.Argument = "users.CreateOpts.Name"
		err.Value = "root"
		err.Info = "root is a reserved user name and cannot be used"
		return nil, err
	}
	return gophercloud.BuildRequestBody(opts, "")
}

// ToMetadatumCreateMap assembles a body for a Create request based on the contents of a MetadataumOpts.
func (opts MetadatumOpts) ToMetadatumCreateMap() (map[string]interface{}, string, error) {
	if len(opts) != 1 {
		err := gophercloud.ErrInvalidInput{}
		err.Argument = "servers.MetadatumOpts"
		err.Info = "Must have 1 and only 1 key-value pair"
		return nil, "", err
	}
	metadatum := map[string]interface{}{"meta": opts}
	var key string
	for k := range metadatum["meta"].(MetadatumOpts) {
		key = k
	}
	return metadatum, key, nil
}

// ToInstanceCreateMap will render a JSON map.
func (opts CreateOpts) ToInstanceCreateMap() (map[string]interface{}, error) {
	if opts.Size > 300 || opts.Size < 1 {
		err := gophercloud.ErrInvalidInput{}
		err.Argument = "instances.CreateOpts.Size"
		err.Value = opts.Size
		err.Info = "Size (GB) must be between 1-300"
		return nil, err
	}

	if opts.FlavorRef == "" {
		return nil, gophercloud.ErrMissingInput{Argument: "instances.CreateOpts.FlavorRef"}
	}

	instance := map[string]interface{}{
		"volume":    map[string]int{"size": opts.Size},
		"flavorRef": opts.FlavorRef,
	}

	if opts.Name != "" {
		instance["name"] = opts.Name
	}
	if opts.Databases != nil {
		dbs, err := opts.Databases.ToDBCreateMap()
		if err != nil {
			return nil, err
		}
		instance["databases"] = dbs["databases"]
	}
	if opts.Users != nil {
		users, err := opts.Users.ToUserCreateMap()
		if err != nil {
			return nil, err
		}
		instance["users"] = users["users"]
	}
	if opts.Datastore != nil {
		datastore, err := opts.Datastore.ToMap()
		if err != nil {
			return nil, err
		}
		instance["datastore"] = datastore
	}

	return map[string]interface{}{"instance": instance}, nil
}

// ToServerResizeMap adds the diskconfig option to the base server creation options.
func (opts ResizeOptsExt) ToServerResizeMap() (map[string]interface{}, error) {
	if opts.DiskConfig != Auto && opts.DiskConfig != Manual {
		err := gophercloud.ErrInvalidInput{}
		err.Argument = "diskconfig.ResizeOptsExt.DiskConfig"
		err.Info = "Must be either diskconfig.Auto or diskconfig.Manual"
		return nil, err
	}

	base, err := opts.ResizeOptsBuilder.ToServerResizeMap()
	if err != nil {
		return nil, err
	}

	serverMap := base["resize"].(map[string]interface{})
	serverMap["OS-DCF:diskConfig"] = string(opts.DiskConfig)

	return base, nil
}

// ToLBMonitorCreateMap allows CreateOpts to satisfy the CreateOptsBuilder
// interface
func (opts CreateOpts) ToLBMonitorCreateMap() (map[string]interface{}, error) {
	if opts.Type == TypeHTTP || opts.Type == TypeHTTPS {
		if opts.URLPath == "" {
			err := gophercloud.ErrMissingInput{}
			err.Argument = "monitors.CreateOpts.URLPath"
			return nil, err
		}
		if opts.ExpectedCodes == "" {
			err := gophercloud.ErrMissingInput{}
			err.Argument = "monitors.CreateOpts.ExpectedCodes"
			return nil, err
		}
	}
	if opts.Delay < opts.Timeout {
		err := gophercloud.ErrInvalidInput{}
		err.Argument = "monitors.CreateOpts.Delay/monitors.CreateOpts.Timeout"
		err.Info = "Delay must be greater than or equal to timeout"
		return nil, err
	}
	return gophercloud.BuildRequestBody(opts, "health_monitor")
}

// ToServerSchedulerHintsMap builds the scheduler hints into a serializable format.
func (opts SchedulerHints) ToServerSchedulerHintsCreateMap() (map[string]interface{}, error) {
	sh := make(map[string]interface{})

	uuidRegex, _ := regexp.Compile("^[a-z0-9]{8}-[a-z0-9]{4}-[1-5][a-z0-9]{3}-[a-z0-9]{4}-[a-z0-9]{12}$")

	if opts.Group != "" {
		if !uuidRegex.MatchString(opts.Group) {
			err := gophercloud.ErrInvalidInput{}
			err.Argument = "schedulerhints.SchedulerHints.Group"
			err.Value = opts.Group
			err.Info = "Group must be a UUID"
			return nil, err
		}
		sh["group"] = opts.Group
	}

	if len(opts.DifferentHost) > 0 {
		for _, diffHost := range opts.DifferentHost {
			if !uuidRegex.MatchString(diffHost) {
				err := gophercloud.ErrInvalidInput{}
				err.Argument = "schedulerhints.SchedulerHints.DifferentHost"
				err.Value = opts.DifferentHost
				err.Info = "The hosts must be in UUID format."
				return nil, err
			}
		}
		sh["different_host"] = opts.DifferentHost
	}

	if len(opts.SameHost) > 0 {
		for _, sameHost := range opts.SameHost {
			if !uuidRegex.MatchString(sameHost) {
				err := gophercloud.ErrInvalidInput{}
				err.Argument = "schedulerhints.SchedulerHints.SameHost"
				err.Value = opts.SameHost
				err.Info = "The hosts must be in UUID format."
				return nil, err
			}
		}
		sh["same_host"] = opts.SameHost
	}

	/* Query can be something simple like:
	     [">=", "$free_ram_mb", 1024]

			Or more complex like:
				['and',
					['>=', '$free_ram_mb', 1024],
					['>=', '$free_disk_mb', 200 * 1024]
				]

		Because of the possible complexity, just make sure the length is a minimum of 3.
	*/
	if len(opts.Query) > 0 {
		if len(opts.Query) < 3 {
			err := gophercloud.ErrInvalidInput{}
			err.Argument = "schedulerhints.SchedulerHints.Query"
			err.Value = opts.Query
			err.Info = "Must be a conditional statement in the format of [op,variable,value]"
			return nil, err
		}
		sh["query"] = opts.Query
	}

	if opts.TargetCell != "" {
		sh["target_cell"] = opts.TargetCell
	}

	if opts.BuildNearHostIP != "" {
		if _, _, err := net.ParseCIDR(opts.BuildNearHostIP); err != nil {
			err := gophercloud.ErrInvalidInput{}
			err.Argument = "schedulerhints.SchedulerHints.BuildNearHostIP"
			err.Value = opts.BuildNearHostIP
			err.Info = "Must be a valid subnet in the form 192.168.1.1/24"
			return nil, err
		}
		ipParts := strings.Split(opts.BuildNearHostIP, "/")
		sh["build_near_host_ip"] = ipParts[0]
		sh["cidr"] = "/" + ipParts[1]
	}

	return sh, nil
}