seaweedfs-operator/controllers/helper.go
Howard Lau d6e3cf7be9
use accessor to merge config and extract magic numbers
Signed-off-by: Howard Lau <howardlau1999@hotmail.com>
2020-10-28 07:06:37 +00:00

73 lines
1.4 KiB
Go

package controllers
import (
"fmt"
"strings"
corev1 "k8s.io/api/core/v1"
ctrl "sigs.k8s.io/controller-runtime"
)
const (
masterPeerAddressPattern = "%s-master-%d.%s-master:9333"
)
var (
kubernetesEnvVars = []corev1.EnvVar{
{
Name: "POD_IP",
ValueFrom: &corev1.EnvVarSource{
FieldRef: &corev1.ObjectFieldSelector{
FieldPath: "status.podIP",
},
},
},
{
Name: "POD_NAME",
ValueFrom: &corev1.EnvVarSource{
FieldRef: &corev1.ObjectFieldSelector{
FieldPath: "metadata.name",
},
},
},
{
Name: "NAMESPACE",
ValueFrom: &corev1.EnvVarSource{
FieldRef: &corev1.ObjectFieldSelector{
FieldPath: "metadata.namespace",
},
},
},
}
)
func ReconcileResult(err error) (bool, ctrl.Result, error) {
if err != nil {
return true, ctrl.Result{}, err
}
return false, ctrl.Result{}, nil
}
func getMasterAddresses(name string, replicas int32) []string {
peersAddresses := make([]string, 0, replicas)
for i := int32(0); i < replicas; i++ {
peersAddresses = append(peersAddresses, fmt.Sprintf(masterPeerAddressPattern, name, i, name))
}
return peersAddresses
}
func getMasterPeersString(name string, replicas int32) string {
return strings.Join(getMasterAddresses(name, replicas), ",")
}
func copyAnnotations(src map[string]string) map[string]string {
if src == nil {
return nil
}
dst := map[string]string{}
for k, v := range src {
dst[k] = v
}
return dst
}