linkerd2/pkg/charts/multicluster/values.go

61 lines
2.0 KiB
Go

package multicluster
import (
"fmt"
"github.com/linkerd/linkerd2/pkg/charts"
"github.com/linkerd/linkerd2/pkg/k8s"
"k8s.io/helm/pkg/chartutil"
"sigs.k8s.io/yaml"
)
const helmDefaultChartDir = "linkerd2-multicluster-remote-setup"
// Values contains the top-level elements in the Helm charts
type Values struct {
CliVersion string `json:"cliVersion"`
GatewayName string `json:"gatewayName"`
GatewayNamespace string `json:"gatewayNamespace"`
IdentityTrustDomain string `json:"identityTrustDomain"`
IncomingPort uint32 `json:"incomingPort"`
LinkerdNamespace string `json:"linkerdNamespace"`
ProbePath string `json:"probePath"`
ProbePeriodSeconds uint32 `json:"probePeriodSeconds"`
ProbePort uint32 `json:"probePort"`
ProxyOutboundPort uint32 `json:"proxyOutboundPort"`
ServiceAccountName string `json:"serviceAccountName"`
ServiceAccountNamespace string `json:"serviceAccountNamespace"`
NginxImageVersion string `json:"nginxImageVersion"`
NginxImage string `json:"nginxImage"`
LinkerdVersion string `json:"linkerdVersion"`
CreatedByAnnotation string `json:"createdByAnnotation"`
}
// NewValues returns a new instance of the Values type.
func NewValues() (*Values, error) {
chartDir := fmt.Sprintf("%s/", helmDefaultChartDir)
v, err := readDefaults(chartDir)
if err != nil {
return nil, err
}
v.CliVersion = k8s.CreatedByAnnotationValue()
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
}