linkerd2/pkg/charts/servicemirror/values.go

50 lines
1.3 KiB
Go

package servicemirror
import (
"fmt"
"github.com/linkerd/linkerd2/pkg/charts"
"k8s.io/helm/pkg/chartutil"
"sigs.k8s.io/yaml"
)
const (
helmDefaultServiceMirrorChartDir = "linkerd2-service-mirror"
)
// Values contains the top-level elements in the Helm charts
type Values struct {
Namespace string `json:"namespace"`
ControllerImage string `json:"controllerImage"`
ControllerImageVersion string `json:"controllerImageVersion"`
ServiceMirrorUID int64 `json:"serviceMirrorUID"`
LogLevel string `json:"logLevel"`
EventRequeueLimit int32 `json:"eventRequeueLimit"`
}
// NewValues returns a new instance of the Values type.
func NewValues() (*Values, error) {
chartDir := fmt.Sprintf("%s/", helmDefaultServiceMirrorChartDir)
v, err := readDefaults(chartDir)
if err != nil {
return nil, err
}
return v, nil
}
// readDefaults read all the default variables from the values.yaml file.
// chartDir is the root directory of the Helm chart where values.yaml is.
func readDefaults(chartDir string) (*Values, error) {
file := &chartutil.BufferedFile{
Name: chartutil.ValuesfileName,
}
if err := charts.ReadFile(chartDir, file); err != nil {
return nil, err
}
values := Values{}
if err := yaml.Unmarshal(charts.InsertVersion(file.Data), &values); err != nil {
return nil, err
}
return &values, nil
}