common.go

package opts

import (
	"fmt"
	"io"
	"os"
	"path/filepath"
	"strings"
	"time"

	vaultoperatorclient "github.com/banzaicloud/bank-vaults/operator/pkg/client/clientset/versioned"
	"github.com/heptio/sonobuoy/pkg/client"
	certmngclient "github.com/jetstack/cert-manager/pkg/client/clientset/versioned"
	"github.com/pkg/errors"
	"github.com/spf13/cobra"
	"github.com/spf13/pflag"
	"github.com/spf13/viper"
	tektonclient "github.com/tektoncd/pipeline/pkg/client/clientset/versioned"
	"gopkg.in/AlecAivazis/survey.v1"
	"gopkg.in/AlecAivazis/survey.v1/terminal"
	gitcfg "gopkg.in/src-d/go-git.v4/config"
	apiextensionsclientset "k8s.io/apiextensions-apiserver/pkg/client/clientset/clientset"
	"k8s.io/client-go/kubernetes"
	prowjobclient "k8s.io/test-infra/prow/client/clientset/versioned"
	kserve "knative.dev/serving/pkg/client/clientset/versioned"
	istioclient "knative.dev/serving/pkg/client/istio/clientset/versioned"

	gojenkins "github.com/jenkins-x/golang-jenkins"
	jenkinsv1 "github.com/jenkins-x/jx-api/pkg/apis/jenkins.io/v1"
	"github.com/jenkins-x/jx-api/pkg/client/clientset/versioned"
	"github.com/jenkins-x/jx-logging/pkg/log"
	"github.com/jenkins-x/jx/v2/pkg/auth"
	"github.com/jenkins-x/jx/v2/pkg/cloud/gke"
	"github.com/jenkins-x/jx/v2/pkg/cmd/clients"
	"github.com/jenkins-x/jx/v2/pkg/config"
	"github.com/jenkins-x/jx/v2/pkg/gits"
	"github.com/jenkins-x/jx/v2/pkg/helm"
	"github.com/jenkins-x/jx/v2/pkg/io/secrets"
	"github.com/jenkins-x/jx/v2/pkg/kube"
	"github.com/jenkins-x/jx/v2/pkg/kube/cluster"
	"github.com/jenkins-x/jx/v2/pkg/kube/resources"
	"github.com/jenkins-x/jx/v2/pkg/kube/services"
	"github.com/jenkins-x/jx/v2/pkg/kustomize"
	"github.com/jenkins-x/jx/v2/pkg/prow"
	"github.com/jenkins-x/jx/v2/pkg/secreturl"
	"github.com/jenkins-x/jx/v2/pkg/table"
	"github.com/jenkins-x/jx/v2/pkg/util"
	"github.com/jenkins-x/jx/v2/pkg/vault"
	"github.com/jenkins-x/jx/v2/pkg/versionstream"
)

// LogLevel represents the logging level when reporting feedback
type LogLevel string

const (
	OptionAlias            = "alias"
	OptionApplication      = "app"
	OptionBatchMode        = "batch-mode"
	OptionClusterName      = "cluster-name"
	OptionEnvironment      = "env"
	OptionInstallDeps      = "install-dependencies"
	OptionLabel            = "label"
	OptionName             = "name"
	OptionNamespace        = "namespace"
	OptionNoBrew           = "no-brew"
	OptionRelease          = "release"
	OptionServerName       = "name"
	OptionOutputDir        = "output-dir"
	OptionServerURL        = "url"
	OptionSkipAuthSecMerge = "skip-auth-secrets-merge"
	OptionTimeout          = "timeout"
	OptionVerbose          = "verbose"

	BranchPatternCommandName      = "branchpattern"
	QuickStartLocationCommandName = "quickstartlocation"

	// LogInfo info level logging
	LogInfo LogLevel = "INFO"
	// LogWarning warning level logging
	LogWarning LogLevel = "WARN"
	// LogError error level logging
	LogError LogLevel = "ERROR"

	jxInterpretPipelineEnvKey = "JX_INTERPRET_PIPELINE"
)

var (
	BranchPatternCommandAliases = []string{
		"branch pattern",
	}

	QuickStartLocationCommandAliases = []string{
		QuickStartLocationCommandName + "s", "quickstartloc", "qsloc",
	}
)

// ModifyDevEnvironmentFn a callback to create/update the development Environment
type ModifyDevEnvironmentFn func(callback func(env *jenkinsv1.Environment) error) error

// ModifyEnvironmentFn a callback to create/update an Environment
type ModifyEnvironmentFn func(name string, callback func(env *jenkinsv1.Environment) error) error

// CommonOptions contains common options and helper methods
type CommonOptions struct {
	prow.Prow

	AdvancedMode           bool
	Args                   []string
	BatchMode              bool
	Cmd                    *cobra.Command
	ConfigFile             string
	Domain                 string
	Err                    io.Writer
	ExternalJenkinsBaseURL string
	In                     terminal.FileReader
	InstallDependencies    bool
	ModifyDevEnvironmentFn ModifyDevEnvironmentFn
	ModifyEnvironmentFn    ModifyEnvironmentFn
	NameServers            []string
	NoBrew                 bool
	RemoteCluster          bool
	Out                    terminal.FileWriter
	ServiceAccount         string
	SkipAuthSecretsMerge   bool
	Username               string
	Verbose                bool
	NotifyCallback         func(LogLevel, string)

	apiExtensionsClient apiextensionsclientset.Interface
	certManagerClient   certmngclient.Interface
	complianceClient    *client.SonobuoyClient
	currentNamespace    string
	devNamespace        string
	environmentsDir     string
	factory             clients.Factory
	fakeGitProvider     *gits.FakeProvider
	git                 gits.Gitter
	helm                helm.Helmer
	jenkinsClient       gojenkins.JenkinsClient
	jxClient            versioned.Interface
	gcloudClient        gke.GClouder
	kserveClient        kserve.Interface
	kubeClient          kubernetes.Interface
	kuber               kube.Kuber
	kustomizer          kustomize.Kustomizer
	prowJobClient       prowjobclient.Interface
	resourcesInstaller  resources.Installer
	systemVaultClient   vault.Client
	tektonClient        tektonclient.Interface
	secretURLClient     secreturl.Client
	vaultOperatorClient vaultoperatorclient.Interface
	versionResolver     *versionstream.VersionResolver
}

type ServerFlags struct {
	ServerName string
	ServerURL  string
}

// IsEmpty returns true if the server flags and server URL are tempry
func (f *ServerFlags) IsEmpty() bool {
	return f.ServerName == "" && f.ServerURL == ""
}

// GetFactory lazily creates a Factory if its not already created
func (o *CommonOptions) GetFactory() clients.Factory {
	if o.factory == nil {
		o.factory = clients.NewFactory()
	}
	return o.factory
}

// SetFactory sets the factory to use
func (o *CommonOptions) SetFactory(f clients.Factory) {
	o.factory = f
}

// CreateTable creates a new Table
func (o *CommonOptions) CreateTable() table.Table {
	return o.factory.CreateTable(o.Out)
}

// NotifyProgressf by default logs info to the console but a custom callback can be added to send feedback to, say, a web UI
func (o *CommonOptions) NotifyProgressf(level LogLevel, format string, args ...interface{}) {
	if o.NotifyCallback != nil {
		text := fmt.Sprintf(format, args...)
		o.NotifyCallback(level, text)
		return
	}
	switch level {
	case LogInfo:
		log.Logger().Infof(format, args...)
	case LogWarning:
		log.Logger().Warnf(format, args...)
	default:
		log.Logger().Errorf(format, args...)
	}
}

// NewCommonOptionsWithTerm creates a new CommonOptions instance with given terminal input, output and error
func NewCommonOptionsWithTerm(factory clients.Factory, in terminal.FileReader, out terminal.FileWriter, err io.Writer) *CommonOptions {
	return &CommonOptions{
		factory: factory,
		In:      in,
		Out:     out,
		Err:     err,
	}
}

// NewCommonOptionsWithFactory creates a new CommonOptions instance with the
// given factory
func NewCommonOptionsWithFactory(factory clients.Factory) CommonOptions {
	return CommonOptions{
		factory: factory,
	}
}

// SetDevNamespace configures the current dev namespace
func (o *CommonOptions) SetDevNamespace(ns string) {
	o.devNamespace = ns
	o.currentNamespace = ns
	o.kubeClient = nil
	log.Logger().Debugf("Setting the dev namespace to: %s", util.ColorInfo(ns))
}

func (o *CommonOptions) SetCurrentNamespace(ns string) {
	o.currentNamespace = ns
	o.kubeClient = nil
	log.Logger().Debugf("Setting the current namespace to: %s", util.ColorInfo(ns))
}

// AddBaseFlags adds the base flags for all commands
func (o *CommonOptions) AddBaseFlags(cmd *cobra.Command) {
	defaultBatchMode := false
	if os.Getenv("JX_BATCH_MODE") == "true" {
		defaultBatchMode = true
	}
	cmd.PersistentFlags().BoolVarP(&o.BatchMode, OptionBatchMode, "b", defaultBatchMode, "Runs in batch mode without prompting for user input")
	levels := strings.Join([]string{"panic", "fatal", "error", "warn", "info", "debug", "trace"}, ", ")
	cmd.PersistentFlags().BoolVarP(&o.Verbose, OptionVerbose, "", false, fmt.Sprintf("Enables verbose output. The environment variable JX_LOG_LEVEL has precedence over this flag and allows setting the logging level to any value of: %s", levels))

	o.Cmd = cmd
}

// GetConfiguration read the config file marshal into a config struct
func (o *CommonOptions) GetConfiguration(config interface{}) error {
	configFile := o.ConfigFile
	if configFile != "" {
		viper.SetConfigFile(configFile)
		viper.SetConfigType("yaml")
		if err := viper.ReadInConfig(); err != nil {
			if _, ok := err.(viper.ConfigFileNotFoundError); !ok {
				log.Logger().Warnf("Config file %s not found", configFile)
			} else {
				return err
			}
		} else {
			err = viper.Unmarshal(config)
			if err != nil {
				return errors.Wrap(err, "unable to decode into config struct")
			}
		}
	}
	createDebugConfigFile("debug", "config.yaml")
	return nil
}

func createDebugConfigFile(dir string, file string) {
	wkDir, err := util.ConfigDir()
	if err != nil {
		log.Logger().Debugf("error determining config dir %v", err)
	} else {
		dir := filepath.Join(wkDir, dir)
		if err = os.MkdirAll(dir, util.DefaultWritePermissions); err != nil {
			log.Logger().Warnf("Error making directory: %s %s", dir, err)
		}
		configFile := filepath.Join(dir, file)
		if err = viper.WriteConfigAs(configFile); err != nil {
			log.Logger().Warnf("Error writing config file %s", err)
		}
	}
}

// ApiExtensionsClient return or creates the api extension client
func (o *CommonOptions) ApiExtensionsClient() (apiextensionsclientset.Interface, error) {
	var err error
	if o.apiExtensionsClient == nil {
		o.apiExtensionsClient, err = o.factory.CreateApiExtensionsClient()
		if err != nil {
			return nil, err
		}
	}
	return o.apiExtensionsClient, nil
}

// SetAPIExtensionsClient sets the api extensions client
func (o *CommonOptions) SetAPIExtensionsClient(client apiextensionsclientset.Interface) {
	o.apiExtensionsClient = client
}

// KubeClient returns or creates the kube client
func (o *CommonOptions) KubeClient() (kubernetes.Interface, error) {
	if o.kubeClient == nil {
		kubeClient, currentNs, err := o.factory.CreateKubeClient()
		if err != nil {
			return nil, err
		}
		o.kubeClient = kubeClient
		if o.currentNamespace == "" {
			o.currentNamespace = currentNs
		}
	}
	if o.kubeClient == nil {
		return o.kubeClient, fmt.Errorf("failed to create KubeClient")
	}
	return o.kubeClient, nil
}

// KubeClientAndNamespace returns or creates the kube client and the current namespace
func (o *CommonOptions) KubeClientAndNamespace() (kubernetes.Interface, string, error) {
	client, err := o.KubeClient()
	return client, o.currentNamespace, err
}

// SetKubeClient sets the kube client
func (o *CommonOptions) SetKubeClient(kubeClient kubernetes.Interface) {
	o.kubeClient = kubeClient
}

// KubeClientAndDevNamespace returns a kube client and the development namespace
func (o *CommonOptions) KubeClientAndDevNamespace() (kubernetes.Interface, string, error) {
	kubeClient, curNs, err := o.KubeClientAndNamespace()
	if err != nil {
		return nil, "", err
	}
	if o.devNamespace == "" {
		o.devNamespace, _, err = kube.GetDevNamespace(kubeClient, curNs)
	}
	return kubeClient, o.devNamespace, err
}

// GetDeployNamespace returns the namespace option from the command line option if defined otherwise we try
// the $DEPLOY_NAMESPACE environment variable. If none of those are found lets use the current
// kubernetes namespace value
func (o *CommonOptions) GetDeployNamespace(namespaceOption string) (string, error) {
	ns := namespaceOption
	if ns == "" {
		ns = os.Getenv("DEPLOY_NAMESPACE")
	}

	if ns == "" {
		var err error
		_, ns, err = o.KubeClientAndNamespace()
		if err != nil {
			return ns, err
		}
		log.Logger().Debugf("No --namespace option specified or $DEPLOY_NAMESPACE environment variable available so defaulting to using namespace %s", ns)
	}
	return ns, nil
}

// SetJxClient set the jx client
func (o *CommonOptions) SetJxClient(jxClient versioned.Interface) {
	o.jxClient = jxClient
}

// JXClient returns or creates the jx client and current namespace
func (o *CommonOptions) JXClient() (versioned.Interface, string, error) {
	if o.factory == nil {
		return nil, "", errors.New("command factory is not initialized")
	}
	if o.jxClient == nil {
		jxClient, ns, err := o.factory.CreateJXClient()
		if err != nil {
			return nil, ns, err
		}
		o.jxClient = jxClient
		if o.currentNamespace == "" {
			o.currentNamespace = ns
		}
	}
	return o.jxClient, o.currentNamespace, nil
}

// SetGCloudClient set the gcloud client
func (o *CommonOptions) SetGCloudClient(gcloudClient gke.GClouder) {
	o.gcloudClient = gcloudClient
}

// GCloud returns the implementation of a gcloud helper
func (o *CommonOptions) GCloud() gke.GClouder {
	if o.gcloudClient == nil {
		return &gke.GCloud{}
	}
	return o.gcloudClient
}

// TektonClient lazily creates a new Knative Pipeline client
func (o *CommonOptions) TektonClient() (tektonclient.Interface, string, error) {
	if o.factory == nil {
		return nil, "", errors.New("command factory is not initialized")
	}
	if o.tektonClient == nil {
		tektonClient, ns, err := o.factory.CreateTektonClient()
		if err != nil {
			return nil, ns, err
		}
		o.tektonClient = tektonClient
		if o.currentNamespace == "" {
			o.currentNamespace = ns
		}
	}
	return o.tektonClient, o.currentNamespace, nil
}

// SetTektonClient sets the tekton client
func (o *CommonOptions) SetTektonClient(client tektonclient.Interface) {
	o.tektonClient = client
}

// KnativeServeClient returns or creates the knative serve client
func (o *CommonOptions) KnativeServeClient() (kserve.Interface, string, error) {
	if o.factory == nil {
		return nil, "", errors.New("command factory is not initialized")
	}
	if o.kserveClient == nil {
		kserveClient, ns, err := o.factory.CreateKnativeServeClient()
		if err != nil {
			return nil, ns, err
		}
		o.kserveClient = kserveClient
		if o.currentNamespace == "" {
			o.currentNamespace = ns
		}
	}
	return o.kserveClient, o.currentNamespace, nil
}

// SetKnativeServeClient sets the kantive serve client
func (o *CommonOptions) SetKnativeServeClient(client kserve.Interface) {
	o.kserveClient = client
}

// ProwJobClient returns or creates the ProwJob client
func (o *CommonOptions) ProwJobClient() (prowjobclient.Interface, string, error) {
	if o.factory == nil {
		return nil, "", errors.New("command factory is not initialized")
	}
	if o.prowJobClient == nil {
		prowJobClient, ns, err := o.factory.CreateProwJobClient()
		if err != nil {
			return nil, ns, err
		}
		o.prowJobClient = prowJobClient
		if o.currentNamespace == "" {
			o.currentNamespace = ns
		}
	}
	return o.prowJobClient, o.currentNamespace, nil
}

// JXClientAndAdminNamespace returns or creates the jx client and admin namespace
func (o *CommonOptions) JXClientAndAdminNamespace() (versioned.Interface, string, error) {
	kubeClient, _, err := o.KubeClientAndNamespace()
	if err != nil {
		return nil, "", err
	}
	jxClient, devNs, err := o.JXClientAndDevNamespace()
	if err != nil {
		return nil, "", err
	}

	ns, err := kube.GetAdminNamespace(kubeClient, devNs)
	return jxClient, ns, err
}

// JXClientAndDevNamespace returns and creates the jx client and dev namespace
func (o *CommonOptions) JXClientAndDevNamespace() (versioned.Interface, string, error) {
	if o.jxClient == nil {
		jxClient, ns, err := o.JXClient()
		if err != nil {
			return nil, ns, err
		}
		o.jxClient = jxClient
		if o.currentNamespace == "" {
			o.currentNamespace = ns
		}
	}
	if o.devNamespace == "" {
		client, ns, err := o.KubeClientAndNamespace()
		if err != nil {
			return nil, "", err
		}
		devNs, _, err := kube.GetDevNamespace(client, ns)
		if err != nil {
			return nil, "", err
		}
		if devNs == "" {
			devNs = ns
		}
		o.devNamespace = devNs
	}
	return o.jxClient, o.devNamespace, nil
}

// JXClientDevAndAdminNamespace returns or creates the jx client, dev and admin namespaces
func (o *CommonOptions) JXClientDevAndAdminNamespace() (versioned.Interface, string, string, error) {
	kubeClient, _, err := o.KubeClientAndNamespace()
	if err != nil {
		return nil, "", "", err
	}
	jxClient, devNs, err := o.JXClientAndDevNamespace()
	if err != nil {
		return nil, "", "", err
	}

	adminNs, err := kube.GetAdminNamespace(kubeClient, devNs)
	return jxClient, devNs, adminNs, err
}

// Git returns the git client
func (o *CommonOptions) Git() gits.Gitter {
	if o.git == nil {
		o.git = gits.NewGitCLI()
	}
	return o.git
}

// SetGit sets the git client
func (o *CommonOptions) SetGit(git gits.Gitter) {
	o.git = git
}

// SetFakeGitProvider set the fake git provider for testing purposes
func (o *CommonOptions) SetFakeGitProvider(provider *gits.FakeProvider) {
	o.fakeGitProvider = provider
}

// NewHelm cerates a new helm client from the given list of parameters
func (o *CommonOptions) NewHelm(verbose bool, helmBinary string, noTiller bool, helmTemplate bool) helm.Helmer {
	o.helm = o.factory.CreateHelm(o.Verbose, helmBinary, noTiller, helmTemplate)
	return o.helm
}

// Helm returns or creates the helm client
func (o *CommonOptions) Helm() helm.Helmer {
	if o.helm == nil {
		helm3Flag := os.Getenv("JX_HELM3")
		if helm3Flag == "true" {
			o.RemoteCluster = true
			// let disable loading/modifying team environments as we typically install on empty k8s clusters
			o.ModifyEnvironmentFn = o.IgnoreModifyEnvironment
			o.ModifyDevEnvironmentFn = o.IgnoreModifyDevEnvironment

			// check helmfile featureflag but default to existing behaviour if there's any issues
			var helmer helm.Helmer
			r, _, err := config.LoadRequirementsConfig("", config.DefaultFailOnValidationError)
			if err != nil {
				r = config.NewRequirementsConfig()
			}
			if r.Helmfile {
				helmer = o.NewHelm(false, "helm", true, false)
			} else {
				helmer = o.NewHelm(false, "helm3", true, false)
			}

			o.SetHelm(helmer)
			return helmer
		}
		noTillerFlag := os.Getenv("JX_NO_TILLER")
		if noTillerFlag == "true" || o.RemoteCluster {
			o.EnableRemoteKubeCluster()
			if o.helm != nil {
				return o.helm
			}
		}
		helmBinary, noTiller, helmTemplate, err := o.TeamHelmBin()
		if err != nil {
			if noTillerFlag == "true" {
				helmTemplate = true
			} else {
				log.Logger().Warnf("Failed to retrieve team settings: %v - falling back to default settings...", err)
			}
		}
		return o.NewHelm(o.Verbose, helmBinary, noTiller, helmTemplate)
	}
	return o.helm
}

// SetHelm sets the helmer used for this object
func (o *CommonOptions) SetHelm(helmer helm.Helmer) {
	o.helm = helmer
}

// Kube returns the k8s config client
func (o *CommonOptions) Kube() kube.Kuber {
	if o.kuber == nil {
		o.kuber = kube.NewKubeConfig()
	}
	return o.kuber
}

// SetKube  sets the kube config client
func (o *CommonOptions) SetKube(kuber kube.Kuber) {
	o.kuber = kuber
}

// SetResourcesInstaller configures the installer for Kubernetes resources
func (o *CommonOptions) SetResourcesInstaller(installer resources.Installer) {
	o.resourcesInstaller = installer
}

// ResourcesInstaller returns the installer for Kubernetes resources
func (o *CommonOptions) ResourcesInstaller() resources.Installer {
	if o.resourcesInstaller == nil {
		o.resourcesInstaller = resources.NewKubeCtlInstaller("", true, true)
	}
	return o.resourcesInstaller
}

// TeamAndEnvironmentNames returns team and environment namespace
func (o *CommonOptions) TeamAndEnvironmentNames() (string, string, error) {
	kubeClient, currentNs, err := o.KubeClientAndNamespace()
	if err != nil {
		return "", "", err
	}
	return kube.GetDevNamespace(kubeClient, currentNs)
}

// AddGitServerFlags add git server flags to the given cobra command
func (o *ServerFlags) AddGitServerFlags(cmd *cobra.Command) {
	cmd.Flags().StringVarP(&o.ServerName, OptionServerName, "n", "", "The name of the Git server to add a user")
	cmd.Flags().StringVarP(&o.ServerURL, OptionServerURL, "u", "", "The URL of the Git server to add a user")
}

// FindGitServer finds the Git server from the given flags or returns an error
func (o *CommonOptions) FindGitServer(config *auth.AuthConfig, serverFlags *ServerFlags) (*auth.AuthServer, error) {
	return o.FindServer(config, serverFlags, "git", "Try creating one via: jx create git server", false)
}

// FindIssueTrackerServer finds the issue tracker server from the given flags or returns an error
func (o *CommonOptions) FindIssueTrackerServer(config *auth.AuthConfig, serverFlags *ServerFlags) (*auth.AuthServer, error) {
	return o.FindServer(config, serverFlags, "issues", "Try creating one via: jx create tracker server", false)
}

// FindChatServer finds the chat server from the given flags or returns an error
func (o *CommonOptions) FindChatServer(config *auth.AuthConfig, serverFlags *ServerFlags) (*auth.AuthServer, error) {
	return o.FindServer(config, serverFlags, "chat", "Try creating one via: jx create chat server", false)
}

// FindAddonServer finds the addon server from the given flags or returns an error
func (o *CommonOptions) FindAddonServer(config *auth.AuthConfig, serverFlags *ServerFlags, kind string) (*auth.AuthServer, error) {
	return o.FindServer(config, serverFlags, kind, "Try creating one via: jx create addon", true)
}

// FindServer find the server flags from the given flags or returns an error
func (o *CommonOptions) FindServer(config *auth.AuthConfig, serverFlags *ServerFlags, defaultKind string, missingServerDescription string, lazyCreate bool) (*auth.AuthServer, error) {
	kind := defaultKind
	var server *auth.AuthServer
	if serverFlags.ServerURL != "" {
		server = config.GetServer(serverFlags.ServerURL)
		if server == nil {
			if lazyCreate {
				return config.GetOrCreateServerName(serverFlags.ServerURL, serverFlags.ServerName, kind), nil
			}
			return nil, util.InvalidOption(OptionServerURL, serverFlags.ServerURL, config.GetServerURLs())
		}
	}
	if server == nil && serverFlags.ServerName != "" {
		name := serverFlags.ServerName
		if lazyCreate {
			server = config.GetOrCreateServerName(serverFlags.ServerURL, name, kind)
		} else {
			server = config.GetServerByName(name)
		}
		if server == nil {
			return nil, util.InvalidOption(OptionServerName, name, config.GetServerNames())
		}
	}
	if server == nil {
		name := config.CurrentServer
		if name != "" && o.BatchMode {
			server = config.GetServerByName(name)
			if server == nil {
				log.Logger().Warnf("Current server %s no longer exists", name)
			}
		}
	}
	if server == nil && len(config.Servers) == 1 {
		server = config.Servers[0]
	}
	if server == nil && len(config.Servers) > 1 {
		if o.BatchMode {
			return nil, fmt.Errorf("Multiple servers found. Please specify one via the %s option", OptionServerName)
		}
		defaultServerName := ""
		if config.CurrentServer != "" {
			s := config.GetServer(config.CurrentServer)
			if s != nil {
				defaultServerName = s.Name
			}
		}
		name, err := util.PickNameWithDefault(config.GetServerNames(), "Pick server to use: ", defaultServerName, "", o.GetIOFileHandles())
		if err != nil {
			return nil, err
		}
		server = config.GetServerByName(name)
		if server == nil {
			return nil, fmt.Errorf("Could not find the server for name %s", name)
		}
	}
	if server == nil {
		return nil, fmt.Errorf("Could not find a %s. %s", kind, missingServerDescription)
	}
	return server, nil
}

// FindService finds the given service and returns its URL
func (o *CommonOptions) FindService(name string) (string, error) {
	client, ns, err := o.KubeClientAndNamespace()
	if err != nil {
		return "", err
	}
	devNs, _, err := kube.GetDevNamespace(client, ns)
	if err != nil {
		return "", err
	}
	url, err := services.FindServiceURL(client, ns, name)
	if url == "" {
		url, err = services.FindServiceURL(client, devNs, name)
	}
	if url == "" {
		names, err := services.GetServiceNames(client, ns, name)
		if err != nil {
			return "", err
		}
		if len(names) > 1 {
			name, err = util.PickName(names, "Pick service to open: ", "", o.GetIOFileHandles())
			if err != nil {
				return "", err
			}
			if name != "" {
				url, err = services.FindServiceURL(client, ns, name)
			}
		} else if len(names) == 1 {
			// must have been a filter
			url, err = services.FindServiceURL(client, ns, names[0])
		}
		if url == "" {
			return "", fmt.Errorf("Could not find URL for service %s in namespace %s", name, ns)
		}
	}
	return url, nil
}

// FindEnvironmentNamespace returns the namespace of a given environment
func (o *CommonOptions) FindEnvironmentNamespace(envName string) (string, error) {
	client, ns, err := o.KubeClientAndNamespace()
	if err != nil {
		return "", err
	}
	jxClient, _, err := o.JXClient()
	if err != nil {
		return "", err
	}

	devNs, _, err := kube.GetDevNamespace(client, ns)
	if err != nil {
		return "", err
	}

	envMap, envNames, err := kube.GetEnvironments(jxClient, devNs)
	if err != nil {
		return "", err
	}
	env := envMap[envName]
	if env == nil {
		return "", util.InvalidOption(OptionEnvironment, envName, envNames)
	}
	answer := env.Spec.Namespace
	if answer == "" {
		return "", fmt.Errorf("Environment %s does not have a Namespace!", envName)
	}
	return answer, nil
}

// FindServiceInNamespace searches a service in a given namespace. If found, it returns the service URL
func (o *CommonOptions) FindServiceInNamespace(name string, ns string) (string, error) {
	client, curNs, err := o.KubeClientAndNamespace()
	if err != nil {
		return "", err
	}
	if ns == "" {
		ns = curNs
	}
	url, err := services.FindServiceURL(client, ns, name)
	if url == "" {
		names, err := services.GetServiceNames(client, ns, name)
		if err != nil {
			return "", err
		}
		if len(names) > 1 {
			name, err = util.PickName(names, "Pick service to open: ", "", o.GetIOFileHandles())
			if err != nil {
				return "", err
			}
			if name != "" {
				url, err = services.FindServiceURL(client, ns, name)
			}
		} else if len(names) == 1 {
			// must have been a filter
			url, err = services.FindServiceURL(client, ns, names[0])
		}
		if url == "" {
			return "", fmt.Errorf("Could not find URL for service %s in namespace %s", name, ns)
		}
	}
	return url, nil
}

// Retry executes a given function and reties 'attempts' times with a delay of 'sleep' between the executions
func (o *CommonOptions) Retry(attempts int, sleep time.Duration, call func() error) (err error) {
	for i := 0; ; i++ {
		err = call()
		if err == nil {
			return
		}

		if i >= (attempts - 1) {
			break
		}

		time.Sleep(sleep)

		log.Logger().Warnf("\nretrying after error:%s\n", err)
	}
	return fmt.Errorf("after %d attempts, last error: %s", attempts, err)
}

// FatalError is a wrapper structure around regular error indicating that re(try) processing flow should be interrupted
// immediately.
type FatalError struct {
	E error
}

// Error converts a fatal error into a string
func (err *FatalError) Error() string {
	return fmt.Sprintf("fatal error: %s", err.E.Error())
}

// RetryUntilFatalError executes a given function call with retry when the function fails. It stops retrying when a fatal
// error is encountered.
func (o *CommonOptions) RetryUntilFatalError(attempts int, sleep time.Duration, call func() (*FatalError, error)) (err error) {
	for i := 0; ; i++ {
		fatalErr, err := call()
		if fatalErr != nil {
			return fatalErr.E
		}
		if err == nil {
			return nil
		}

		if i >= (attempts - 1) {
			break
		}

		time.Sleep(sleep)

		log.Logger().Infof("retrying after error:%s", err)
	}
	return fmt.Errorf("after %d attempts, last error: %s", attempts, err)
}

// RetryQuiet executes a given function call with retry when an error occurs without printing any logs
func (o *CommonOptions) RetryQuiet(attempts int, sleep time.Duration, call func() error) (err error) {
	lastMessage := ""
	dot := false

	for i := 0; ; i++ {
		err = call()
		if err == nil {
			if dot {
				log.Logger().Info("")
			}
			return
		}

		if i >= (attempts - 1) {
			break
		}

		time.Sleep(sleep)

		message := fmt.Sprintf("retrying after error: %s", err)
		if lastMessage == message {
			log.Logger().Info(".")
			dot = true
		} else {
			lastMessage = message
			if dot {
				dot = false
				log.Logger().Info("")
			}
			log.Logger().Warnf("%s\n", lastMessage)
		}
	}
	return fmt.Errorf("after %d attempts, last error: %s", attempts, err)
}

// RetryQuietlyUntilTimeout executes a function call with retry when an error occurs. It stops retrying when the timeout is reached.
func (o *CommonOptions) RetryQuietlyUntilTimeout(timeout time.Duration, sleep time.Duration, call func() error) (err error) {
	timeoutTime := time.Now().Add(timeout)

	lastMessage := ""
	dot := false

	for i := 0; ; i++ {
		err = call()
		if err == nil {
			if dot {
				log.Logger().Info("")
			}
			return
		}

		if time.Now().After(timeoutTime) {
			return fmt.Errorf("Timed out after %s, last error: %s", timeout.String(), err)
		}

		time.Sleep(sleep)

		message := fmt.Sprintf("retrying after error: %s", err)
		if lastMessage == message {
			log.Logger().Info(".")
			dot = true
		} else {
			lastMessage = message
			if dot {
				dot = false
				log.Logger().Info("")
			}
			log.Logger().Warnf("%s\n", lastMessage)
		}
	}
}

// RetryUntilTrueOrTimeout waits until complete is true, an error occurs or the timeout
func (o *CommonOptions) RetryUntilTrueOrTimeout(timeout time.Duration, sleep time.Duration, call func() (bool, error)) (err error) {
	timeoutTime := time.Now().Add(timeout)

	for i := 0; ; i++ {
		complete, err := call()
		if complete || err != nil {
			return err
		}
		if time.Now().After(timeoutTime) {
			return fmt.Errorf("Timed out after %s, last error: %s", timeout.String(), err)
		}

		time.Sleep(sleep)
	}
}

// PickGitRemoteURL picks a git remote URL from git config, or prompts to the user if no URL is found
func (o *CommonOptions) PickGitRemoteURL(config *gitcfg.Config) (string, error) {
	surveyOpts := survey.WithStdio(o.In, o.Out, o.Err)
	urls := []string{}
	if config.Remotes != nil {
		for _, r := range config.Remotes {
			if r.URLs != nil {
				for _, u := range r.URLs {
					urls = append(urls, u)
				}
			}
		}
	}
	if len(urls) == 1 {
		return urls[0], nil
	}
	url := ""
	if len(urls) > 1 {
		prompt := &survey.Select{
			Message: "Choose a remote git URL:",
			Options: urls,
		}
		err := survey.AskOne(prompt, &url, nil, surveyOpts)
		if err != nil {
			return "", err
		}
	}
	return url, nil
}

// VaultOperatorClient returns or creates the vault operator client
func (o *CommonOptions) VaultOperatorClient() (vaultoperatorclient.Interface, error) {
	if o.factory == nil {
		return nil, errors.New("command factory is not initialized")
	}
	if o.vaultOperatorClient == nil {
		vaultOperatorClient, err := o.factory.CreateVaultOperatorClient()
		if err != nil {
			return nil, err
		}
		o.vaultOperatorClient = vaultOperatorClient
	}
	return o.vaultOperatorClient, nil
}

// SystemVaultClient return or creates the system vault client
func (o *CommonOptions) SystemVaultClient(namespace string) (vault.Client, error) {
	if o.factory == nil {
		return nil, errors.New("command factory is not initialized")
	}
	if o.systemVaultClient == nil {
		if namespace == "" {
			var err error
			_, namespace, err = o.KubeClientAndDevNamespace()
			if err != nil {
				return nil, errors.Wrapf(err, "failed to find development namespace")
			}
		}
		systemVaultClient, err := o.factory.CreateSystemVaultClient(namespace)
		if err != nil {
			return nil, err
		}
		o.systemVaultClient = systemVaultClient
	}
	return o.systemVaultClient, nil
}

// GetSecretsLocation returns the location of the secrets
func (o *CommonOptions) GetSecretsLocation() secrets.SecretsLocationKind {
	if o.factory == nil {
		return secrets.FileSystemLocationKind
	}
	return o.factory.SecretsLocation()
}

// SetSecretsLocation sets the secrets location
func (o *CommonOptions) SetSecretsLocation(location secrets.SecretsLocationKind, persist bool) error {
	if o.factory == nil {
		return errors.New("command factory is not initialized")
	}
	return o.factory.SetSecretsLocation(location, persist)
}

// ResetSecretsLocation resets the secrets location
func (o *CommonOptions) ResetSecretsLocation() error {
	if o.factory == nil {
		return errors.New("command factory is not initialized")
	}
	o.factory.ResetSecretsLocation()
	return nil
}

// GetWebHookEndpoint returns the webhook endpoint
func (o *CommonOptions) GetWebHookEndpoint() (string, error) {
	_, _, err := o.JXClient()
	if err != nil {
		return "", errors.Wrap(err, "failed to get jxclient")
	}

	_, err = o.KubeClient()
	if err != nil {
		return "", errors.Wrap(err, "failed to get kube client")
	}

	isProwEnabled, err := o.IsProw()
	if err != nil {
		return "", err
	}

	ns, _, err := kube.GetDevNamespace(o.kubeClient, o.currentNamespace)
	if err != nil {
		return "", err
	}

	var webHookUrl string

	if isProwEnabled {
		baseURL, err := services.GetServiceURLFromName(o.kubeClient, "hook", ns)
		if err != nil {
			return "", err
		}

		webHookUrl = util.UrlJoin(baseURL, "hook")
	} else {
		baseURL, err := services.GetServiceURLFromName(o.kubeClient, "jenkins", ns)
		if err != nil {
			return "", err
		}

		webHookUrl = util.UrlJoin(baseURL, "github-webhook/")
	}

	return webHookUrl, nil
}

// ResetClientsAndNamespaces resets the current clients and namespaces
func (o *CommonOptions) ResetClientsAndNamespaces() {
	//Reset all the cached clients & namespace values when switching so that they can be properly recalculated for
	//the new namespace.
	o.kubeClient = nil
	o.jxClient = nil
	o.currentNamespace = ""
	o.devNamespace = ""
}

// GetIn returns the command inputs writer
func (o *CommonOptions) GetIn() terminal.FileReader {
	return o.In
}

// GetOut returns the command output writer
func (o *CommonOptions) GetOut() terminal.FileWriter {
	return o.Out
}

// GetErr returns the command error writer
func (o *CommonOptions) GetErr() io.Writer {
	return o.Err
}

// EnvironmentsDir is the local directory the environments are stored in  - can be faked out for tests
func (o *CommonOptions) EnvironmentsDir() (string, error) {
	if o.environmentsDir == "" {
		var err error
		o.environmentsDir, err = util.EnvironmentsDir()
		if err != nil {
			return "", err
		}
	}
	return o.environmentsDir, nil
}

// SetEnvironmentsDir sets the environment directory
func (o *CommonOptions) SetEnvironmentsDir(dir string) {
	o.environmentsDir = dir
}

// ComplianceClient returns or creates the compliance client
func (o *CommonOptions) ComplianceClient() (*client.SonobuoyClient, error) {
	if o.factory == nil {
		return nil, errors.New("command factory is not initialized")
	}
	if o.complianceClient == nil {
		complianceClient, err := o.factory.CreateComplianceClient()
		if err != nil {
			return nil, err
		}
		o.complianceClient = complianceClient
	}
	return o.complianceClient, nil

}

// CertManagerClient returns or creates the cert-manager client
func (o *CommonOptions) CertManagerClient() (certmngclient.Interface, error) {
	if o.factory == nil {
		return nil, errors.New("command factory is not initialized")
	}
	if o.certManagerClient == nil {
		certManagerClient, err := o.factory.CreateCertManagerClient()
		if err != nil {
			return nil, err
		}
		o.certManagerClient = certManagerClient
	}
	return o.certManagerClient, nil
}

// InCluster return true if the command execution takes place in k8s cluster
func (o *CommonOptions) InCluster() bool {
	return cluster.IsInCluster()
}

// IsJXBoot returns true if this code is executed as part of jx boot, false otherwise.
func (o *CommonOptions) IsJXBoot() bool {
	// sort of a hack to determine that `jx boot` is executed opposed to running as a pipeline build
	// see step_create_task where JX_INTERPRET_PIPELINE is set when the pipeline is executed in interpret mode
	// which in turn is set by `jx boot` (HF)
	return os.Getenv(jxInterpretPipelineEnvKey) == "true"
}

// InCDPipeline return true if the command execution takes place in the CD pipeline
func (o *CommonOptions) InCDPipeline() bool {
	return o.factory.IsInCDPipeline()
}

// SetBatchMode configures the batch mode
func (o *CommonOptions) SetBatchMode(batchMode bool) {
	o.factory.SetBatch(batchMode)
}

// GetIOFileHandles returns In, Out, and Err as an IOFileHandles struct
func (o *CommonOptions) GetIOFileHandles() util.IOFileHandles {
	return util.IOFileHandles{
		Err: o.Err,
		In:  o.In,
		Out: o.Out,
	}
}

// IstioClient creates a new Kubernetes client for Istio resources
func (o *CommonOptions) IstioClient() (istioclient.Interface, error) {
	config, err := o.factory.CreateKubeConfig()
	if err != nil {
		return nil, err
	}
	return istioclient.NewForConfig(config)
}

// IsFlagExplicitlySet checks whether the flag with the specified name is explicitly set by the user.
// If so, true is returned, false otherwise.
func (o *CommonOptions) IsFlagExplicitlySet(flagName string) bool {
	explicit := false
	explicitlySetFunc := func(f *pflag.Flag) {
		if f.Name == flagName {
			explicit = true
		}
	}
	o.Cmd.Flags().Visit(explicitlySetFunc)
	return explicit
}

// IsConfigExplicitlySet checks whether the flag or config with the specified name is explicitly set by the user.
// If so, true is returned, false otherwise.
func (o *CommonOptions) IsConfigExplicitlySet(configPath, configKey string) bool {
	if o.IsFlagExplicitlySet(configKey) || configExists(configPath, configKey) {
		return true
	}
	return false
}

func configExists(configPath, configKey string) bool {
	if configPath != "" {
		path := append(strings.Split(configPath, "."), configKey)
		configMap := viper.GetStringMap(path[0])
		m := map[string]interface{}{path[0]: configMap}

		for _, k := range path {
			m2, ok := m[k]
			if !ok {
				return false
			}
			m3, ok := m2.(map[string]interface{})
			if !ok {
				if k != configKey {
					return false
				}
			}
			m = m3
		}
		return true
	}
	return viper.InConfig(configKey)
}

// IsInsecureSSLWebhooks returns true if we should create webhooks with SSL check disabled, used when running BDD tests and should NOT be used for normal installs
func (o *CommonOptions) IsInsecureSSLWebhooks() (bool, error) {
	certmngClient, err := o.CertManagerClient()
	if err != nil {
		return false, errors.Wrap(err, "creating the cert-manager client")
	}
	// lets lookup certmanager certificate and check if one exists, it's a selfsigned cert
	isStaging, err := kube.IsStagingCertificate(certmngClient, o.devNamespace)
	if err != nil {
		// if there's an issue assume we don't need insecure webhooks to keep existing behavior
		return false, nil
	}
	return isStaging, nil
}

// Kustomize returns or creates the kustomize client
func (o *CommonOptions) Kustomize() kustomize.Kustomizer {
	if o.kustomizer == nil {
		return o.factory.CreateKustomizer()
	}
	return o.kustomizer
}