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Add docker config file environment variables for kubelet

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This commit is contained in:
moelsayed
2018-08-29 02:23:41 +02:00
committed by Alena Prokharchyk
parent 8f47078988
commit d451683abb
2 changed files with 35 additions and 0 deletions
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15
cluster/plan.go
View File

@@ -31,6 +31,10 @@ const (
DefaultToolsEntrypoint = "/opt/rke-tools/entrypoint.sh"
DefaultToolsEntrypointVersion = "0.1.13"
LegacyToolsEntrypoint = "/opt/rke/entrypoint.sh"
KubeletDockerConfigEnv = "RKE_KUBELET_DOCKER_CONFIG"
KubeletDockerConfigFileEnv = "RKE_KUBELET_DOCKER_FILE"
KubeletDockerConfigPath = "/var/lib/kubelet/config.json"
)
func GeneratePlan(ctx context.Context, rkeConfig *v3.RancherKubernetesEngineConfig, hostsInfoMap map[string]types.Info) (v3.RKEPlan, error) {
@@ -346,6 +350,17 @@ func (c *Cluster) BuildKubeletProcess(host *hosts.Host, prefixPath string) v3.Pr
c.Services.Kubelet.ExtraEnv,
fmt.Sprintf("%s=%s", CloudConfigSumEnv, getCloudConfigChecksum(c.CloudProvider)))
}
if len(c.PrivateRegistriesMap) > 0 {
kubeletDcokerConfig, _ := docker.GetKubeletDockerConfig(c.PrivateRegistriesMap)
c.Services.Kubelet.ExtraEnv = append(
c.Services.Kubelet.ExtraEnv,
fmt.Sprintf("%s=%s", KubeletDockerConfigEnv,
b64.StdEncoding.EncodeToString([]byte(kubeletDcokerConfig))))
c.Services.Kubelet.ExtraEnv = append(
c.Services.Kubelet.ExtraEnv,
fmt.Sprintf("%s=%s", KubeletDockerConfigFileEnv, path.Join(prefixPath, KubeletDockerConfigPath)))
}
// check if our version has specific options for this component
serviceOptions := c.GetKubernetesServicesOptions()
if serviceOptions.Kubelet != nil {

20
docker/docker.go
View File

@@ -37,6 +37,12 @@ var K8sDockerVersions = map[string][]string{
"1.11": {"1.11.x", "1.12.x", "1.13.x", "17.03.x"},
}
type dockerConfig struct {
Auths map[string]authConfig `json:"auths,omitempty"`
}
type authConfig types.AuthConfig
func DoRunContainer(ctx context.Context, dClient *client.Client, imageCfg *container.Config, hostCfg *container.HostConfig, containerName string, hostname string, plane string, prsMap map[string]v3.PrivateRegistry) error {
container, err := dClient.ContainerInspect(ctx, containerName)
if err != nil {
@@ -435,3 +441,17 @@ func isContainerEnvChanged(containerEnv, imageConfigEnv, dockerfileEnv []string)
allImageEnv := append(imageConfigEnv, dockerfileEnv...)
return sliceEqualsIgnoreOrder(allImageEnv, containerEnv)
}
func GetKubeletDockerConfig(prsMap map[string]v3.PrivateRegistry) (string, error) {
auths := map[string]authConfig{}
for url, pr := range prsMap {
auth := base64.URLEncoding.EncodeToString([]byte(fmt.Sprintf("%s:%s", pr.User, pr.Password)))
auths[url] = authConfig{Auth: auth}
}
cfg, err := json.Marshal(dockerConfig{auths})
if err != nil {
return "", err
}
return string(cfg), nil
}