helmfile/pkg/environment/environment.go

99 lines
1.9 KiB
Go

package environment
import (
"dario.cat/mergo"
"github.com/helmfile/helmfile/pkg/maputil"
"github.com/helmfile/helmfile/pkg/yaml"
)
type Environment struct {
Name string
KubeContext string
Values map[string]any
Defaults map[string]any
}
var EmptyEnvironment Environment
// New return Environment with default name and values
func New(name string) *Environment {
return &Environment{
Name: name,
KubeContext: "",
Values: map[string]any{},
Defaults: map[string]any{},
}
}
func (e Environment) DeepCopy() Environment {
valuesBytes, err := yaml.Marshal(e.Values)
if err != nil {
panic(err)
}
var values map[string]any
if err := yaml.Unmarshal(valuesBytes, &values); err != nil {
panic(err)
}
values, err = maputil.CastKeysToStrings(values)
if err != nil {
panic(err)
}
defaultsBytes, err := yaml.Marshal(e.Defaults)
if err != nil {
panic(err)
}
var defaults map[string]any
if err := yaml.Unmarshal(defaultsBytes, &defaults); err != nil {
panic(err)
}
defaults, err = maputil.CastKeysToStrings(defaults)
if err != nil {
panic(err)
}
return Environment{
Name: e.Name,
KubeContext: e.KubeContext,
Values: values,
Defaults: defaults,
}
}
func (e *Environment) Merge(other *Environment) (*Environment, error) {
if e == nil {
if other != nil {
copy := other.DeepCopy()
return &copy, nil
}
return nil, nil
}
copy := e.DeepCopy()
if other != nil {
if err := mergo.Merge(&copy, other, mergo.WithOverride); err != nil {
return nil, err
}
}
return &copy, nil
}
func (e *Environment) GetMergedValues() (map[string]any, error) {
vals := map[string]any{}
if err := mergo.Merge(&vals, e.Defaults, mergo.WithOverride); err != nil {
return nil, err
}
if err := mergo.Merge(&vals, e.Values, mergo.WithOverride); err != nil {
return nil, err
}
vals, err := maputil.CastKeysToStrings(vals)
if err != nil {
return nil, err
}
return vals, nil
}