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release.go
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release.go
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package state
import (
"fmt"
"github.com/roboll/helmfile/tmpl"
"gopkg.in/yaml.v2"
)
func (r ReleaseSpec) ExecuteTemplateExpressions(renderer *tmpl.FileRenderer) (*ReleaseSpec, error) {
var result *ReleaseSpec
var err error
result, err = r.Clone()
if err != nil {
return nil, fmt.Errorf("failed executing template expressions in release \"%s\": %v", r.Name, err)
}
{
ts := result.Chart
result.Chart, err = renderer.RenderTemplateContentToString([]byte(ts))
if err != nil {
return nil, fmt.Errorf("failed executing template expressions in release \"%s\".chart = \"%s\": %v", r.Name, ts, err)
}
}
{
ts := result.Namespace
result.Namespace, err = renderer.RenderTemplateContentToString([]byte(ts))
if err != nil {
return nil, fmt.Errorf("failed executing template expressions in release \"%s\".namespace = \"%s\": %v", r.Name, ts, err)
}
}
for i, t := range result.Values {
switch ts := t.(type) {
case string:
s, err := renderer.RenderTemplateContentToBuffer([]byte(ts))
if err != nil {
return nil, fmt.Errorf("failed executing template expressions in release \"%s\".values[%d] = \"%s\": %v", r.Name, i, ts, err)
}
result.Values[i] = s.String()
}
}
for i, ts := range result.Secrets {
s, err := renderer.RenderTemplateContentToBuffer([]byte(ts))
if err != nil {
return nil, fmt.Errorf("failed executing template expressions in release \"%s\".secrets[%d] = \"%s\": %v", r.Name, i, ts, err)
}
result.Secrets[i] = s.String()
}
return result, nil
}
func (r ReleaseSpec) Clone() (*ReleaseSpec, error) {
serialized, err := yaml.Marshal(r)
if err != nil {
return nil, fmt.Errorf("failed cloning release \"%s\": %v", r.Name, err)
}
var deserialized ReleaseSpec
if err := yaml.Unmarshal(serialized, &deserialized); err != nil {
return nil, fmt.Errorf("failed cloning release \"%s\": %v", r.Name, err)
}
return &deserialized, nil
}