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Initial version of clusterctl create
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,334 @@ | ||
| /* | ||
| Copyright 2017 The Kubernetes Authors. | ||
| Licensed under the Apache License, Version 2.0 (the "License"); | ||
| you may not use this file except in compliance with the License. | ||
| You may obtain a copy of the License at | ||
| http://www.apache.org/licenses/LICENSE-2.0 | ||
| Unless required by applicable law or agreed to in writing, software | ||
| distributed under the License is distributed on an "AS IS" BASIS, | ||
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| See the License for the specific language governing permissions and | ||
| limitations under the License. | ||
| */ | ||
|
|
||
| package clusterdeployer | ||
|
|
||
| import ( | ||
| "bytes" | ||
| "encoding/base64" | ||
| "fmt" | ||
| "os" | ||
| "text/template" | ||
|
|
||
| "github.com/golang/glog" | ||
| corev1 "k8s.io/api/core/v1" | ||
| "k8s.io/client-go/util/cert" | ||
| "k8s.io/client-go/util/cert/triple" | ||
| ) | ||
|
|
||
| var apiServerImage = "gcr.io/k8s-cluster-api/cluster-apiserver:0.0.3" | ||
|
|
||
| func init() { | ||
| if img, ok := os.LookupEnv("CLUSTER_API_SERVER_IMAGE"); ok { | ||
| apiServerImage = img | ||
| } | ||
| } | ||
|
|
||
| type caCertParams struct { | ||
| caBundle string | ||
| tlsCrt string | ||
| tlsKey string | ||
| } | ||
|
|
||
| func getApiServerCerts() (*caCertParams, error) { | ||
| const name = "clusterapi" | ||
| const namespace = corev1.NamespaceDefault | ||
|
|
||
| caKeyPair, err := triple.NewCA(fmt.Sprintf("%s-certificate-authority", name)) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("failed to create root-ca: %v", err) | ||
| } | ||
|
|
||
| apiServerKeyPair, err := triple.NewServerKeyPair( | ||
| caKeyPair, | ||
| fmt.Sprintf("%s.%s.svc", name, namespace), | ||
| name, | ||
| namespace, | ||
| "cluster.local", | ||
| []string{}, | ||
| []string{}) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("failed to create apiserver key pair: %v", err) | ||
| } | ||
|
|
||
| certParams := &caCertParams{ | ||
| caBundle: base64.StdEncoding.EncodeToString(cert.EncodeCertPEM(caKeyPair.Cert)), | ||
| tlsKey: base64.StdEncoding.EncodeToString(cert.EncodePrivateKeyPEM(apiServerKeyPair.Key)), | ||
| tlsCrt: base64.StdEncoding.EncodeToString(cert.EncodeCertPEM(apiServerKeyPair.Cert)), | ||
| } | ||
|
|
||
| return certParams, nil | ||
| } | ||
|
|
||
| func GetApiServerYaml() (string, error) { | ||
| tmpl, err := template.New("config").Parse(ClusterAPIAPIServerConfigTemplate) | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
|
|
||
| certParms, err := getApiServerCerts() | ||
| if err != nil { | ||
| glog.Errorf("Error: %v", err) | ||
| return "", err | ||
| } | ||
|
|
||
| type params struct { | ||
| Token string | ||
| APIServerImage string | ||
| ControllerManagerImage string | ||
| MachineControllerImage string | ||
| CABundle string | ||
| TLSCrt string | ||
| TLSKey string | ||
| } | ||
|
|
||
| var tmplBuf bytes.Buffer | ||
| err = tmpl.Execute(&tmplBuf, params{ | ||
| APIServerImage: apiServerImage, | ||
| CABundle: certParms.caBundle, | ||
| TLSCrt: certParms.tlsCrt, | ||
| TLSKey: certParms.tlsKey, | ||
| }) | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
|
|
||
| return string(tmplBuf.Bytes()), nil | ||
| } | ||
|
|
||
| const ClusterAPIAPIServerConfigTemplate = ` | ||
| apiVersion: apiregistration.k8s.io/v1beta1 | ||
| kind: APIService | ||
| metadata: | ||
| name: v1alpha1.cluster.k8s.io | ||
| labels: | ||
| api: clusterapi | ||
| apiserver: "true" | ||
| spec: | ||
| version: v1alpha1 | ||
| group: cluster.k8s.io | ||
| groupPriorityMinimum: 2000 | ||
| priority: 200 | ||
| service: | ||
| name: clusterapi | ||
| namespace: default | ||
| versionPriority: 10 | ||
| caBundle: {{ .CABundle }} | ||
| --- | ||
| apiVersion: v1 | ||
| kind: Service | ||
| metadata: | ||
| name: clusterapi | ||
| namespace: default | ||
| labels: | ||
| api: clusterapi | ||
| apiserver: "true" | ||
| spec: | ||
| ports: | ||
| - port: 443 | ||
| protocol: TCP | ||
| targetPort: 443 | ||
| selector: | ||
| api: clusterapi | ||
| apiserver: "true" | ||
| --- | ||
| apiVersion: apps/v1beta1 | ||
| kind: Deployment | ||
| metadata: | ||
| name: clusterapi-apiserver | ||
| namespace: default | ||
| labels: | ||
| api: clusterapi | ||
| apiserver: "true" | ||
| spec: | ||
| replicas: 1 | ||
| template: | ||
| metadata: | ||
| labels: | ||
| api: clusterapi | ||
| apiserver: "true" | ||
| spec: | ||
| nodeSelector: | ||
| node-role.kubernetes.io/master: "" | ||
| tolerations: | ||
| - effect: NoSchedule | ||
| key: node-role.kubernetes.io/master | ||
| - key: CriticalAddonsOnly | ||
| operator: Exists | ||
| - effect: NoExecute | ||
| key: node.alpha.kubernetes.io/notReady | ||
| operator: Exists | ||
| - effect: NoExecute | ||
| key: node.alpha.kubernetes.io/unreachable | ||
| operator: Exists | ||
| containers: | ||
| - name: apiserver | ||
| image: {{ .APIServerImage }} | ||
| volumeMounts: | ||
| - name: cluster-apiserver-certs | ||
| mountPath: /apiserver.local.config/certificates | ||
| readOnly: true | ||
| - name: config | ||
| mountPath: /etc/kubernetes | ||
| - name: certs | ||
| mountPath: /etc/ssl/certs | ||
| command: | ||
| - "./apiserver" | ||
| args: | ||
| - "--etcd-servers=http://etcd-clusterapi-svc:2379" | ||
| - "--tls-cert-file=/apiserver.local.config/certificates/tls.crt" | ||
| - "--tls-private-key-file=/apiserver.local.config/certificates/tls.key" | ||
| - "--audit-log-path=-" | ||
| - "--audit-log-maxage=0" | ||
| - "--audit-log-maxbackup=0" | ||
| - "--authorization-kubeconfig=/etc/kubernetes/admin.conf" | ||
| - "--kubeconfig=/etc/kubernetes/admin.conf" | ||
| resources: | ||
| requests: | ||
| cpu: 100m | ||
| memory: 20Mi | ||
| limits: | ||
| cpu: 100m | ||
| memory: 30Mi | ||
| volumes: | ||
| - name: cluster-apiserver-certs | ||
| secret: | ||
| secretName: cluster-apiserver-certs | ||
| - name: config | ||
| hostPath: | ||
| path: /etc/kubernetes | ||
| - name: certs | ||
| hostPath: | ||
| path: /etc/ssl/certs | ||
| --- | ||
| apiVersion: rbac.authorization.k8s.io/ | ||
| kind: RoleBinding | ||
| metadata: | ||
| name: clusterapi | ||
| namespace: kube-system | ||
| roleRef: | ||
| apiGroup: rbac.authorization.k8s.io | ||
| kind: Role | ||
| name: extension-apiserver-authentication-reader | ||
| subjects: | ||
| - kind: ServiceAccount | ||
| name: default | ||
| namespace: default | ||
| --- | ||
| apiVersion: apps/v1beta1 | ||
| kind: StatefulSet | ||
| metadata: | ||
| name: etcd-clusterapi | ||
| namespace: default | ||
| spec: | ||
| serviceName: "etcd" | ||
| replicas: 1 | ||
| template: | ||
| metadata: | ||
| labels: | ||
| app: etcd | ||
| spec: | ||
| nodeSelector: | ||
| node-role.kubernetes.io/master: "" | ||
| tolerations: | ||
| - effect: NoSchedule | ||
| key: node-role.kubernetes.io/master | ||
| - key: CriticalAddonsOnly | ||
| operator: Exists | ||
| - effect: NoExecute | ||
| key: node.alpha.kubernetes.io/notReady | ||
| operator: Exists | ||
| - effect: NoExecute | ||
| key: node.alpha.kubernetes.io/unreachable | ||
| operator: Exists | ||
| volumes: | ||
| - hostPath: | ||
| path: /var/lib/etcd2 | ||
| type: DirectoryOrCreate | ||
| name: etcd-data-dir | ||
| terminationGracePeriodSeconds: 10 | ||
| containers: | ||
| - name: etcd | ||
| image: quay.io/coreos/etcd:latest | ||
| imagePullPolicy: Always | ||
| resources: | ||
| requests: | ||
| cpu: 100m | ||
| memory: 20Mi | ||
| limits: | ||
| cpu: 100m | ||
| memory: 30Mi | ||
| env: | ||
| - name: ETCD_DATA_DIR | ||
| value: /etcd-data-dir | ||
| command: | ||
| - /usr/local/bin/etcd | ||
| - --listen-client-urls | ||
| - http://0.0.0.0:2379 | ||
| - --advertise-client-urls | ||
| - http://localhost:2379 | ||
| ports: | ||
| - containerPort: 2379 | ||
| volumeMounts: | ||
| - name: etcd-data-dir | ||
| mountPath: /etcd-data-dir | ||
| readinessProbe: | ||
| httpGet: | ||
| port: 2379 | ||
| path: /health | ||
| failureThreshold: 1 | ||
| initialDelaySeconds: 10 | ||
| periodSeconds: 10 | ||
| successThreshold: 1 | ||
| timeoutSeconds: 2 | ||
| livenessProbe: | ||
| httpGet: | ||
| port: 2379 | ||
| path: /health | ||
| failureThreshold: 3 | ||
| initialDelaySeconds: 10 | ||
| periodSeconds: 10 | ||
| successThreshold: 1 | ||
| timeoutSeconds: 2 | ||
| --- | ||
| apiVersion: v1 | ||
| kind: Service | ||
| metadata: | ||
| name: etcd-clusterapi-svc | ||
| namespace: default | ||
| labels: | ||
| app: etcd | ||
| spec: | ||
| ports: | ||
| - port: 2379 | ||
| name: etcd | ||
| targetPort: 2379 | ||
| selector: | ||
| app: etcd | ||
| --- | ||
| apiVersion: v1 | ||
| kind: Secret | ||
| type: kubernetes.io/tls | ||
| metadata: | ||
| name: cluster-apiserver-certs | ||
| namespace: default | ||
| labels: | ||
| api: clusterapi | ||
| apiserver: "true" | ||
| data: | ||
| tls.crt: {{ .TLSCrt }} | ||
| tls.key: {{ .TLSKey }} | ||
| ` |
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