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92 lines
1.8 KiB
92 lines
1.8 KiB
package client
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import (
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"bytes"
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"text/template"
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"github.com/Masterminds/sprig"
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"github.com/deis/tiller/pkg/kubectl"
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)
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// Installer installs tiller into Kubernetes
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//
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// See InstallYAML.
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type Installer struct {
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// Metadata holds any global metadata attributes for the resources
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Metadata map[string]interface{}
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// Tiller specific metadata
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Tiller map[string]interface{}
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}
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// New Installer creates a new Installer
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func NewInstaller() *Installer {
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return &Installer{
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Metadata: map[string]interface{}{},
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Tiller: map[string]interface{}{},
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}
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}
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// Install uses kubectl 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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func (i *Installer) Install(runner kubectl.Runner) (string, error) {
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b, err := i.expand()
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if err != nil {
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return "", err
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}
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o, err := runner.Create(b)
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return string(o), err
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}
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func (i *Installer) expand() ([]byte, error) {
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var b bytes.Buffer
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t := template.Must(template.New("manifest").Funcs(sprig.TxtFuncMap()).Parse(InstallYAML))
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err := t.Execute(&b, i)
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return b.Bytes(), err
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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: Namespace
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metadata:
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labels:
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app: helm
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name: helm-namespace
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name: helm
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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: helm
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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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- env: []
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image: {{default "gcr.io/deis-sandbox/tiller:canary" .Tiller.Image}}
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name: tiller
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ports:
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- containerPort: 8080
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name: tiller
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imagePullPolicy: Always
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---
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`
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