create_env.go

package cmd

import (
	"io"

	"github.com/spf13/cobra"

	"fmt"
	"github.com/jenkins-x/jx/pkg/apis/jenkins.io/v1"
	"github.com/jenkins-x/jx/pkg/config"
	"github.com/jenkins-x/jx/pkg/gits"
	"github.com/jenkins-x/jx/pkg/jenkins"
	"github.com/jenkins-x/jx/pkg/jx/cmd/templates"
	"github.com/jenkins-x/jx/pkg/kube"
	"github.com/jenkins-x/jx/pkg/log"
	"github.com/jenkins-x/jx/pkg/prow"
	"github.com/jenkins-x/jx/pkg/util"
	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
)

var (
	env_description = `		
	An Environment maps to a kubernetes cluster and namespace and is a place that your team's applications can be promoted to via Continous Delivery.

	You can optionally use GitOps to manage the configuration of an Environment by storing all configuration in a git repository and then only changing it via Pull Requests and CI/CD.

	For more documentation on Environments see: [https://jenkins-x.io/about/features/#environments](https://jenkins-x.io/about/features/#environments)
	`
	create_env_long = templates.LongDesc(`
		Creates a new Environment
        ` + env_description + `
`)

	create_env_example = templates.Examples(`
		# Create a new Environment, prompting for the required data
		jx create env

		# Creates a new Environment passing in the required data on the command line
		jx create env -n prod -l Production --no-gitops --namespace my-prod
	`)
)

// CreateEnvOptions the options for the create spring command
type CreateEnvOptions struct {
	CreateOptions

	Options                v1.Environment
	HelmValuesConfig       config.HelmValuesConfig
	PromotionStrategy      string
	NoGitOps               bool
	Prow                   bool
	ForkEnvironmentGitRepo string
	EnvJobCredentials      string
	GitRepositoryOptions   gits.GitRepositoryOptions
	Prefix                 string
	BranchPattern          string
}

// NewCmdCreateEnv creates a command object for the "create" command
func NewCmdCreateEnv(f Factory, out io.Writer, errOut io.Writer) *cobra.Command {
	options := &CreateEnvOptions{
		HelmValuesConfig: config.HelmValuesConfig{
			ExposeController: &config.ExposeController{},
		},
		CreateOptions: CreateOptions{
			CommonOptions: CommonOptions{
				Factory: f,
				Out:     out,
				Err:     errOut,
			},
		},
	}

	cmd := &cobra.Command{
		Use:     "environment",
		Short:   "Create a new Environment which is used to promote your Team's Applications via Continuous Delivery",
		Aliases: []string{"env"},
		Long:    create_env_long,
		Example: create_env_example,
		Run: func(cmd *cobra.Command, args []string) {
			options.Cmd = cmd
			options.Args = args
			err := options.Run()
			CheckErr(err)
		},
	}
	//addCreateAppFlags(cmd, &options.CreateOptions)

	cmd.Flags().StringVarP(&options.Options.Name, kube.OptionName, "n", "", "The Environment resource name. Must follow the kubernetes name conventions like Services, Namespaces")
	cmd.Flags().StringVarP(&options.Options.Spec.Label, "label", "l", "", "The Environment label which is a descriptive string like 'Production' or 'Staging'")
	cmd.Flags().StringVarP(&options.Options.Spec.Namespace, kube.OptionNamespace, "s", "", "The Kubernetes namespace for the Environment")
	cmd.Flags().StringVarP(&options.Options.Spec.Cluster, "cluster", "c", "", "The Kubernetes cluster for the Environment. If blank and a namespace is specified assumes the current cluster")
	cmd.Flags().StringVarP(&options.Options.Spec.Source.URL, "git-url", "g", "", "The Git clone URL for the source code for GitOps based Environments")
	cmd.Flags().StringVarP(&options.Options.Spec.Source.Ref, "git-ref", "r", "", "The Git repo reference for the source code for GitOps based Environments")
	cmd.Flags().Int32VarP(&options.Options.Spec.Order, "order", "o", 100, "The order weighting of the Environment so that they can be sorted by this order before name")
	cmd.Flags().StringVarP(&options.Prefix, "prefix", "", "jx", "Environment repo prefix, your git repo will be of the form 'environment-$prefix-$envName'")

	cmd.Flags().StringVarP(&options.PromotionStrategy, "promotion", "p", "", "The promotion strategy")
	cmd.Flags().StringVarP(&options.ForkEnvironmentGitRepo, "fork-git-repo", "f", kube.DefaultEnvironmentGitRepoURL, "The Git repository used as the fork when creating new Environment git repos")
	cmd.Flags().StringVarP(&options.EnvJobCredentials, "env-job-credentials", "", "", "The Jenkins credentials used by the GitOps Job for this environment")
	cmd.Flags().StringVarP(&options.BranchPattern, "branches", "", "", "The branch pattern for branches to trigger CI/CD pipelines on the enivronment git repository")

	cmd.Flags().BoolVarP(&options.NoGitOps, "no-gitops", "x", false, "Disables the use of GitOps on the environment so that promotion is implemented by directly modifying the resources via helm instead of using a git repository")
	cmd.Flags().BoolVarP(&options.Prow, "prow", "", false, "Install and use Prow for environment promotion")

	addGitRepoOptionsArguments(cmd, &options.GitRepositoryOptions)
	options.HelmValuesConfig.AddExposeControllerValues(cmd, false)

	return cmd
}

// Run implements the command
func (o *CreateEnvOptions) Run() error {
	args := o.Args
	if len(args) > 0 && o.Options.Name == "" {
		o.Options.Name = args[0]
	}
	jxClient, currentNs, err := o.JXClientAndDevNamespace()
	if err != nil {
		return err
	}
	kubeClient, _, err := o.KubeClient()
	if err != nil {
		return err
	}
	apisClient, err := o.CreateApiExtensionsClient()
	if err != nil {
		return err
	}
	kube.RegisterEnvironmentCRD(apisClient)

	ns, _, err := kube.GetDevNamespace(kubeClient, currentNs)
	if err != nil {
		return err
	}
	envDir, err := util.EnvironmentsDir()
	if err != nil {
		return err
	}
	authConfigSvc, err := o.CreateGitAuthConfigService()
	if err != nil {
		return err
	}
	devEnv, err := kube.EnsureDevEnvironmentSetup(jxClient, ns)
	if err != nil {
		return err
	}

	if o.Prow {
		devEnv.Spec.TeamSettings.PromotionEngine = v1.PromotionEngineProw
		devEnv, err = jxClient.JenkinsV1().Environments(ns).Update(devEnv)
		if err != nil {
			return err
		}
	}

	env := v1.Environment{}
	o.Options.Spec.PromotionStrategy = v1.PromotionStrategyType(o.PromotionStrategy)
	gitProvider, err := kube.CreateEnvironmentSurvey(o.Out, o.BatchMode, authConfigSvc, devEnv, &env, &o.Options, o.ForkEnvironmentGitRepo, ns,
		jxClient, kubeClient, envDir, &o.GitRepositoryOptions, o.HelmValuesConfig, o.Prefix, o.Git())
	if err != nil {
		return err
	}
	_, err = jxClient.JenkinsV1().Environments(ns).Create(&env)
	if err != nil {
		return err
	}

	log.Infof("Created environment %s\n", util.ColorInfo(env.Name))

	err = kube.EnsureEnvironmentNamespaceSetup(kubeClient, jxClient, &env, ns)
	if err != nil {
		return err
	}
	gitURL := env.Spec.Source.URL
	gitInfo, err := gits.ParseGitURL(gitURL)

	if o.Prow {
		repo := fmt.Sprintf("%s/environment-%s-%s", gitInfo.Organisation, o.Prefix, o.Options.Name)
		err = prow.AddRepo(o.KubeClientCached, []string{repo}, devEnv.Spec.Namespace)
		if err != nil {
			return fmt.Errorf("failed to add repo %s to prow config in namespace %s: %v", repo, env.Spec.Namespace, err)
		}
	}

	if gitURL != "" {
		if gitProvider == nil {
			p, err := o.gitProviderForURL(gitURL, "user name to create the git repository")
			if err != nil {
				return err
			}
			gitProvider = p
		}
		if o.Prow {
			// register the webhook
			baseURL, err := kube.GetServiceURLFromName(o.KubeClientCached, "hook", o.devNamespace)
			if err != nil {
				return err
			}
			webhookUrl := util.UrlJoin(baseURL, "hook")

			hmacToken, err := o.KubeClientCached.CoreV1().Secrets(o.devNamespace).Get("hmac-token", metav1.GetOptions{})
			if err != nil {
				return err
			}

			webhook := &gits.GitWebHookArguments{
				Owner:  gitInfo.Organisation,
				Repo:   gitInfo,
				URL:    webhookUrl,
				Secret: string(hmacToken.Data["hmac"]),
			}
			return gitProvider.CreateWebHook(webhook)
		} else {
			return o.ImportProject(gitURL, envDir, jenkins.DefaultJenkinsfile, o.BranchPattern, o.EnvJobCredentials, false, gitProvider, authConfigSvc, true, o.BatchMode)
		}
	}

	return nil
}