helmfile/pkg/state/state_exec_tmpl.go

68 lines
1.4 KiB
Go

package state
import (
"fmt"
"github.com/imdario/mergo"
"github.com/roboll/helmfile/pkg/maputil"
"github.com/roboll/helmfile/pkg/tmpl"
)
func (st *HelmState) Values() (map[string]interface{}, error) {
vals := map[string]interface{}{}
if err := mergo.Merge(&vals, st.Env.Defaults, mergo.WithOverride); err != nil {
return nil, err
}
if err := mergo.Merge(&vals, st.Env.Values, mergo.WithOverride); err != nil {
return nil, err
}
vals, err := maputil.CastKeysToStrings(vals)
if err != nil {
return nil, err
}
return vals, nil
}
func (st *HelmState) mustLoadVals() map[string]interface{} {
vals, err := st.Values()
if err != nil {
panic(err)
}
return vals
}
func (st *HelmState) valuesFileTemplateData() EnvironmentTemplateData {
return EnvironmentTemplateData{
Environment: st.Env,
Namespace: st.Namespace,
Values: st.mustLoadVals(),
}
}
func (st *HelmState) ExecuteTemplates() (*HelmState, error) {
r := *st
vals, err := st.Values()
if err != nil {
return nil, err
}
for i, rt := range st.Releases {
tmplData := releaseTemplateData{
Environment: st.Env,
Release: rt,
Values: vals,
}
renderer := tmpl.NewFileRenderer(st.readFile, st.basePath, tmplData)
r, err := rt.ExecuteTemplateExpressions(renderer)
if err != nil {
return nil, fmt.Errorf("failed executing templates in release \"%s\".\"%s\": %v", st.FilePath, rt.Name, err)
}
st.Releases[i] = *r
}
return &r, nil
}