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108 lines
2.4 KiB
108 lines
2.4 KiB
/*
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Copyright 2016 The Kubernetes Authors All rights reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package client // import "k8s.io/helm/pkg/client"
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import (
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"bytes"
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"fmt"
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"text/template"
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"github.com/Masterminds/sprig"
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"k8s.io/helm/pkg/kube"
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)
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// Install uses kubernetes client to install tiller
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//
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// Returns the string output received from the operation, and an error if the
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// command failed.
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//
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// If verbose is true, this will print the manifest to stdout.
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func Install(namespace, image string, verbose bool) error {
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kc := kube.New(nil)
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if namespace == "" {
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ns, _, err := kc.DefaultNamespace()
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if err != nil {
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return err
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}
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namespace = ns
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}
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var b bytes.Buffer
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// Add main install YAML
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istpl := template.New("install").Funcs(sprig.TxtFuncMap())
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cfg := struct {
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Namespace, Image string
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}{namespace, image}
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if err := template.Must(istpl.Parse(InstallYAML)).Execute(&b, cfg); err != nil {
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return err
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}
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if verbose {
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fmt.Println(b.String())
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}
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return kc.Create(namespace, &b)
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}
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// InstallYAML is the installation YAML for DM.
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const InstallYAML = `
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---
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apiVersion: v1
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kind: ReplicationController
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metadata:
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labels:
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app: helm
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name: tiller
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name: tiller-rc
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namespace: {{ .Namespace }}
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spec:
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replicas: 1
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selector:
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app: helm
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name: tiller
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template:
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metadata:
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labels:
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app: helm
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name: tiller
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spec:
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containers:
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- image: {{default "gcr.io/kubernetes-helm/tiller:canary" .Image}}
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name: tiller
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ports:
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- containerPort: 44134
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name: tiller
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imagePullPolicy: Always
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livenessProbe:
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httpGet:
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path: /liveness
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port: 44135
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initialDelaySeconds: 1
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timeoutSeconds: 1
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readinessProbe:
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httpGet:
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path: /readiness
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port: 44135
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initialDelaySeconds: 1
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timeoutSeconds: 1
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`
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