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application.go
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application.go
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package manifestparser
import (
"errors"
"reflect"
"code.cloudfoundry.org/cli/api/cloudcontroller/ccv3/constant"
)
type Docker struct {
Image string `yaml:"image,omitempty"`
Username string `yaml:"username,omitempty"`
}
// ApplicationModel can be accessed through the top level Application struct To
// add a field for the CLI to extract from the manifest, just add it to this
// struct.
type Application struct {
Name string `yaml:"name"`
DiskQuota string `yaml:"disk-quota,omitempty"`
Docker *Docker `yaml:"docker,omitempty"`
HealthCheckType constant.HealthCheckType `yaml:"health-check-type,omitempty"`
HealthCheckEndpoint string `yaml:"health-check-http-endpoint,omitempty"`
HealthCheckTimeout int64 `yaml:"timeout,omitempty"`
Instances *int `yaml:"instances,omitempty"`
Path string `yaml:"path,omitempty"`
Processes []Process `yaml:"processes,omitempty"`
Memory string `yaml:"memory,omitempty"`
NoRoute bool `yaml:"no-route,omitempty"`
RandomRoute bool `yaml:"random-route,omitempty"`
DefaultRoute bool `yaml:"default-route,omitempty"`
Stack string `yaml:"stack,omitempty"`
RemainingManifestFields map[string]interface{} `yaml:"-,inline"`
}
func (application Application) HasBuildpacks() bool {
_, ok := application.RemainingManifestFields["buildpacks"]
return ok
}
func (application *Application) SetBuildpacks(buildpacks []string) {
if application.RemainingManifestFields == nil {
application.RemainingManifestFields = map[string]interface{}{}
}
application.RemainingManifestFields["buildpacks"] = buildpacks
}
func (application *Application) SetStartCommand(command string) {
if application.RemainingManifestFields == nil {
application.RemainingManifestFields = map[string]interface{}{}
}
if command == "" {
application.RemainingManifestFields["command"] = nil
} else {
application.RemainingManifestFields["command"] = command
}
}
func (application *Application) UnmarshalYAML(unmarshal func(v interface{}) error) error {
// This prevents infinite recursion. The alias type does not implement the unmarshaller interface
// so by casting application to a alias pointer, it will unmarshal in to the same memory without calling
// UnmarshalYAML on itself infinite times
type Alias Application
aliasPntr := (*Alias)(application)
err := unmarshal(aliasPntr)
if err != nil {
return err
}
err = unmarshal(&application.RemainingManifestFields)
if err != nil {
return err
}
value := reflect.ValueOf(*application)
removeDuplicateMapKeys(value, application.RemainingManifestFields)
// old style was `disk_quota` (underscore not hyphen)
// we maintain backwards-compatibility by supporting both flavors
if application.RemainingManifestFields["disk_quota"] != nil {
if application.DiskQuota != "" {
return errors.New("cannot define both `disk_quota` and `disk-quota`")
}
diskQuota, ok := application.RemainingManifestFields["disk_quota"].(string)
if !ok {
return errors.New("`disk_quota` must be a string")
}
application.DiskQuota = diskQuota
delete(application.RemainingManifestFields, "disk_quota")
}
return nil
}