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module_hook_config.go
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module_hook_config.go
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package module_manager
import (
"fmt"
"github.com/go-openapi/spec"
"sigs.k8s.io/yaml"
. "github.com/flant/shell-operator/pkg/hook/types"
. "github.com/flant/addon-operator/pkg/hook/types"
"github.com/flant/addon-operator/pkg/module_manager/go_hook"
"github.com/flant/shell-operator/pkg/hook/config"
)
// ModuleHookConfig is a structure with versioned hook configuration
type ModuleHookConfig struct {
config.HookConfig
// versioned raw config values
ModuleV0 *ModuleHookConfigV0
ModuleV1 *ModuleHookConfigV0
// effective config values
BeforeHelm *BeforeHelmConfig
AfterHelm *AfterHelmConfig
AfterDeleteHelm *AfterDeleteHelmConfig
}
type BeforeHelmConfig struct {
CommonBindingConfig
Order float64
}
type AfterHelmConfig struct {
CommonBindingConfig
Order float64
}
type AfterDeleteHelmConfig struct {
CommonBindingConfig
Order float64
}
type ModuleHookConfigV0 struct {
BeforeHelm interface{} `json:"beforeHelm"`
AfterHelm interface{} `json:"afterHelm"`
AfterDeleteHelm interface{} `json:"afterDeleteHelm"`
}
func GetModuleHookConfigSchema(version string) *spec.Schema {
globalHookVersion := "module-hook-" + version
if _, ok := config.Schemas[globalHookVersion]; !ok {
schema := config.Schemas[version]
switch version {
case "v1":
// add beforeHelm, afterHelm and afterDeleteHelm properties
schema += `
beforeHelm:
type: integer
example: 10
afterHelm:
type: integer
example: 10
afterDeleteHelm:
type: integer
example: 10
`
case "v0":
// add beforeHelm, afterHelm and afterDeleteHelm properties
schema += `
beforeHelm:
type: integer
example: 10
afterHelm:
type: integer
example: 10
afterDeleteHelm:
type: integer
example: 10
`
}
config.Schemas[globalHookVersion] = schema
}
return config.GetSchema(globalHookVersion)
}
// LoadAndValidate loads config from bytes and validate it. Returns multierror.
func (c *ModuleHookConfig) LoadAndValidate(data []byte) error {
vu := config.NewDefaultVersionedUntyped()
err := vu.Load(data)
if err != nil {
return err
}
err = config.ValidateConfig(vu.Obj, GetModuleHookConfigSchema(vu.Version), "")
if err != nil {
return err
}
c.Version = vu.Version
err = c.HookConfig.ConvertAndCheck(data)
if err != nil {
return err
}
err = c.ConvertAndCheck(data)
if err != nil {
return err
}
return nil
}
func (c *ModuleHookConfig) ConvertAndCheck(data []byte) error {
switch c.Version {
case "v0":
configV0 := &ModuleHookConfigV0{}
err := yaml.Unmarshal(data, configV0)
if err != nil {
return fmt.Errorf("unmarshal ModuleHookConfig version 0: %s", err)
}
c.ModuleV0 = configV0
err = c.ConvertAndCheckV0()
if err != nil {
return err
}
case "v1":
configV1 := &ModuleHookConfigV0{}
err := yaml.Unmarshal(data, configV1)
if err != nil {
return fmt.Errorf("unmarshal ModuleHookConfig v1: %s", err)
}
c.ModuleV1 = configV1
err = c.ConvertAndCheckV1()
if err != nil {
return err
}
default:
// NOTE: this should not happen
return fmt.Errorf("version '%s' is unsupported", c.Version)
}
return nil
}
func (c *ModuleHookConfig) ConvertAndCheckV0() (err error) {
c.BeforeHelm, err = c.ConvertBeforeHelm(c.ModuleV0.BeforeHelm)
if err != nil {
return err
}
c.AfterHelm, err = c.ConvertAfterHelm(c.ModuleV0.AfterHelm)
if err != nil {
return err
}
c.AfterDeleteHelm, err = c.ConvertAfterDeleteHelm(c.ModuleV0.AfterDeleteHelm)
if err != nil {
return err
}
return nil
}
func (c *ModuleHookConfig) ConvertAndCheckV1() (err error) {
c.BeforeHelm, err = c.ConvertBeforeHelm(c.ModuleV1.BeforeHelm)
if err != nil {
return err
}
c.AfterHelm, err = c.ConvertAfterHelm(c.ModuleV1.AfterHelm)
if err != nil {
return err
}
c.AfterDeleteHelm, err = c.ConvertAfterDeleteHelm(c.ModuleV1.AfterDeleteHelm)
if err != nil {
return err
}
return nil
}
func (c *ModuleHookConfig) ConvertBeforeHelm(value interface{}) (*BeforeHelmConfig, error) {
floatValue, err := config.ConvertFloatForBinding(value, "beforeHelm")
if err != nil || floatValue == nil {
return nil, err
}
res := &BeforeHelmConfig{}
res.BindingName = string(BeforeHelm)
res.Order = *floatValue
return res, nil
}
func (c *ModuleHookConfig) ConvertAfterHelm(value interface{}) (*AfterHelmConfig, error) {
floatValue, err := config.ConvertFloatForBinding(value, "afterHelm")
if err != nil || floatValue == nil {
return nil, err
}
res := &AfterHelmConfig{}
res.BindingName = string(AfterHelm)
res.Order = *floatValue
return res, nil
}
func (c *ModuleHookConfig) ConvertAfterDeleteHelm(value interface{}) (*AfterDeleteHelmConfig, error) {
floatValue, err := config.ConvertFloatForBinding(value, "afterDeleteHelm")
if err != nil || floatValue == nil {
return nil, err
}
res := &AfterDeleteHelmConfig{}
res.BindingName = string(AfterDeleteHelm)
res.Order = *floatValue
return res, nil
}
func (c *ModuleHookConfig) Bindings() []BindingType {
res := []BindingType{}
for _, binding := range []BindingType{OnStartup, Schedule, OnKubernetesEvent, BeforeHelm, AfterHelm, AfterDeleteHelm} {
if c.HasBinding(binding) {
res = append(res, binding)
}
}
return res
}
func (c *ModuleHookConfig) HasBinding(binding BindingType) bool {
if c.HookConfig.HasBinding(binding) {
return true
}
switch binding {
case BeforeHelm:
return c.BeforeHelm != nil
case AfterHelm:
return c.AfterHelm != nil
case AfterDeleteHelm:
return c.AfterDeleteHelm != nil
}
return false
}
func (c *ModuleHookConfig) BindingsCount() int {
res := 0
for _, binding := range []BindingType{OnStartup, BeforeHelm, AfterHelm, AfterDeleteHelm} {
if c.HasBinding(binding) {
res++
}
}
if c.HasBinding(Schedule) {
res += len(c.Schedules)
}
if c.HasBinding(OnKubernetesEvent) {
res += len(c.OnKubernetesEvents)
}
return res
}
func NewModuleHookConfigFromGoConfig(input *go_hook.HookConfig) (*ModuleHookConfig, error) {
hookConfig, err := NewHookConfigFromGoConfig(input)
if err != nil {
return nil, err
}
cfg := &ModuleHookConfig{
HookConfig: hookConfig,
}
if input.OnBeforeHelm != nil {
cfg.BeforeHelm = &BeforeHelmConfig{}
cfg.BeforeHelm.BindingName = string(BeforeHelm)
cfg.BeforeHelm.Order = input.OnBeforeHelm.Order
}
if input.OnAfterHelm != nil {
cfg.AfterHelm = &AfterHelmConfig{}
cfg.AfterHelm.BindingName = string(AfterHelm)
cfg.AfterHelm.Order = input.OnAfterHelm.Order
}
if input.OnAfterDeleteHelm != nil {
cfg.AfterDeleteHelm = &AfterDeleteHelmConfig{}
cfg.AfterDeleteHelm.BindingName = string(AfterDeleteHelm)
cfg.AfterDeleteHelm.Order = input.OnAfterDeleteHelm.Order
}
return cfg, nil
}