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create_cluster_aks.go
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/
create_cluster_aks.go
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package cmd
import (
"io"
"os"
"strings"
"github.com/Pallinder/go-randomdata"
"github.com/jenkins-x/jx/pkg/jx/cmd/aks"
"github.com/jenkins-x/jx/pkg/jx/cmd/log"
"github.com/jenkins-x/jx/pkg/jx/cmd/templates"
cmdutil "github.com/jenkins-x/jx/pkg/jx/cmd/util"
"github.com/spf13/cobra"
"gopkg.in/AlecAivazis/survey.v1"
)
// CreateClusterOptions the flags for running crest cluster
type CreateClusterAKSOptions struct {
CreateClusterOptions
Flags CreateClusterAKSFlags
}
type CreateClusterAKSFlags struct {
UserName string
Password string
ClusterName string
ResourceName string
Location string
NodeCount string
KubeVersion string
PathToPublicKey string
}
var (
createClusterAKSLong = templates.LongDesc(`
This command creates a new kubernetes cluster on AKS, installing required local dependencies and provisions the
Jenkins X platform
Azure Container Service (AKS) manages your hosted Kubernetes environment, making it quick and easy to deploy and
manage containerized applications without container orchestration expertise. It also eliminates the burden of
ongoing operations and maintenance by provisioning, upgrading, and scaling resources on demand, without taking
your applications offline.
Please use a location local to you: you can retrieve this from the Azure portal or by
running "az provider list" in your terminal.
Important: You will need an account on azure, with a storage account (https://portal.azure.com/#create/Microsoft.StorageAccount-ARM)
and network (https://portal.azure.com/#create/Microsoft.VirtualNetwork-ARM) - both linked to the resource group you use
to create the cluster in.
`)
createClusterAKSExample = templates.Examples(`
jx create cluster aks
`)
)
// NewCmdGet creates a command object for the generic "init" action, which
// installs the dependencies required to run the jenkins-x platform on a kubernetes cluster.
func NewCmdCreateClusterAKS(f cmdutil.Factory, out io.Writer, errOut io.Writer) *cobra.Command {
options := CreateClusterAKSOptions{
CreateClusterOptions: createCreateClusterOptions(f, out, errOut, AKS),
}
cmd := &cobra.Command{
Use: "aks",
Short: "Create a new kubernetes cluster on AKS: Runs on Azure",
Long: createClusterAKSLong,
Example: createClusterAKSExample,
Run: func(cmd *cobra.Command, args []string) {
options.Cmd = cmd
options.Args = args
err := options.Run()
cmdutil.CheckErr(err)
},
}
options.addCreateClusterFlags(cmd)
cmd.Flags().StringVarP(&options.Flags.ResourceName, "user name", "u", "", "user name")
cmd.Flags().StringVarP(&options.Flags.ResourceName, "password", "p", "", "password")
cmd.Flags().StringVarP(&options.Flags.ResourceName, "resource group name", "n", "", "Name of the resource group")
cmd.Flags().StringVarP(&options.Flags.ClusterName, "clusterName", "c", "", "Name of the cluster")
cmd.Flags().StringVarP(&options.Flags.Location, "location", "l", "", "location to run cluster in")
cmd.Flags().StringVarP(&options.Flags.NodeCount, "nodes", "o", "", "node count")
cmd.Flags().StringVarP(&options.Flags.KubeVersion, "K8Version", "v", "1.8.2", "kubernetes version")
cmd.Flags().StringVarP(&options.Flags.PathToPublicKey, "PathToPublicRSAKey", "k", "", "pathToPublicRSAKey")
return cmd
}
func (o *CreateClusterAKSOptions) Run() error {
var deps []string
d := binaryShouldBeInstalled("az")
if d != "" {
deps = append(deps, d)
}
err := o.installMissingDependencies(deps)
if err != nil {
log.Errorf("%v\nPlease fix the error or install manually then try again", err)
os.Exit(-1)
}
err = o.createClusterAKS()
if err != nil {
log.Errorf("error creating cluster %v", err)
os.Exit(-1)
}
return nil
}
func (o *CreateClusterAKSOptions) createClusterAKS() error {
resourceName := o.Flags.ResourceName
if resourceName == "" {
resourceName = strings.ToLower(randomdata.SillyName())
log.Infof("No resource name provided so using a generated one: %s", resourceName)
}
clusterName := o.Flags.ClusterName
if clusterName == "" {
clusterName = resourceName + "-cluster"
log.Infof("No cluster name provided so using a generated one: %s", clusterName)
}
location := o.Flags.Location
if location == "" {
prompt := &survey.Select{
Message: "location",
Options: aks.GetResourceGrouoLocation(),
Default: "eastus",
PageSize: 10,
Help: "location to run cluster",
}
err := survey.AskOne(prompt, &location, nil)
if err != nil {
return err
}
}
nodeCount := o.Flags.NodeCount
if nodeCount == "" {
prompt := &survey.Input{
Message: "nodes",
Default: "3",
Help: "number of nodes",
}
survey.AskOne(prompt, &nodeCount, nil)
}
kubeVersion := o.Flags.KubeVersion
if kubeVersion == "" {
prompt := &survey.Input{
Message: "k8version",
Default: kubeVersion,
Help: "k8 version",
}
survey.AskOne(prompt, &kubeVersion, nil)
}
pathToPublicKey := o.Flags.PathToPublicKey
userName := o.Flags.UserName
password := o.Flags.Password
//First login
var err error
if userName != "" && password != "" {
err = o.runCommand("az", "login", "-u", userName, "-p", password)
if err != nil {
return err
}
} else {
err = o.runCommand("az", "login")
if err != nil {
return err
}
}
//register for Microsoft Compute and Containers
err = o.runCommand("az", "provider", "register", "-n", "Microsoft.Compute")
if err != nil {
return err
}
err = o.runCommand("az", "provider", "register", "-n", "Microsoft.ContainerService")
if err != nil {
return err
}
//create a resource group
createGroup := []string{"group", "create", "-l", location, "-n", resourceName}
err = o.runCommand("az", createGroup...)
if err != nil {
return err
}
createCluster := []string{"aks", "create", "-g", resourceName, "-n", clusterName, "-k", kubeVersion, "--node-count", nodeCount}
if pathToPublicKey != "" {
createCluster = append(createCluster, "--ssh-key-value", pathToPublicKey)
} else {
createCluster = append(createCluster, "--generate-ssh-keys")
}
err = o.runCommand("az", createCluster...)
if err != nil {
return err
}
//setup the kube context
getCredentials := []string{"aks", "get-credentials", "--resource-group", resourceName, "--name", clusterName}
err = o.runCommand("az", getCredentials...)
if err != nil {
return err
}
/**
//create Container Registry on azure
registryName := resourceName + "Registry"+randomdata.StringNumber(2,"")
installContainerRegistry := []string{"acr","create","--resource-group",resourceName,"--name",registryName,"--sku Basic"}
err = o.runCommand("az",installContainerRegistry...)
if err != nil {
return err
}
//login to the registry
loginRegistry := []string{"acr","login","--name",registryName}
err = o.runCommand("az",loginRegistry...)
if err != nil {
return err
}
**/
return o.initAndInstall(AKS)
}