mirror of https://github.com/helm/helm
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
773 lines
23 KiB
773 lines
23 KiB
/*
|
|
Copyright The Helm Authors.
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
*/
|
|
|
|
package action
|
|
|
|
import (
|
|
"bytes"
|
|
"context"
|
|
"fmt"
|
|
"io/ioutil"
|
|
"net/url"
|
|
"os"
|
|
"path"
|
|
"path/filepath"
|
|
"strings"
|
|
"sync"
|
|
"text/template"
|
|
"time"
|
|
|
|
"github.com/Masterminds/sprig/v3"
|
|
"github.com/pkg/errors"
|
|
v1 "k8s.io/api/core/v1"
|
|
apierrors "k8s.io/apimachinery/pkg/api/errors"
|
|
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
|
|
"k8s.io/cli-runtime/pkg/resource"
|
|
"sigs.k8s.io/yaml"
|
|
|
|
"helm.sh/helm/v3/pkg/chart"
|
|
"helm.sh/helm/v3/pkg/chartutil"
|
|
"helm.sh/helm/v3/pkg/cli"
|
|
"helm.sh/helm/v3/pkg/downloader"
|
|
"helm.sh/helm/v3/pkg/getter"
|
|
"helm.sh/helm/v3/pkg/kube"
|
|
kubefake "helm.sh/helm/v3/pkg/kube/fake"
|
|
"helm.sh/helm/v3/pkg/postrender"
|
|
"helm.sh/helm/v3/pkg/registry"
|
|
"helm.sh/helm/v3/pkg/release"
|
|
"helm.sh/helm/v3/pkg/releaseutil"
|
|
"helm.sh/helm/v3/pkg/repo"
|
|
"helm.sh/helm/v3/pkg/storage"
|
|
"helm.sh/helm/v3/pkg/storage/driver"
|
|
)
|
|
|
|
// NOTESFILE_SUFFIX that we want to treat special. It goes through the templating engine
|
|
// but it's not a yaml file (resource) hence can't have hooks, etc. And the user actually
|
|
// wants to see this file after rendering in the status command. However, it must be a suffix
|
|
// since there can be filepath in front of it.
|
|
const notesFileSuffix = "NOTES.txt"
|
|
|
|
const defaultDirectoryPermission = 0755
|
|
|
|
// Install performs an installation operation.
|
|
type Install struct {
|
|
cfg *Configuration
|
|
|
|
ChartPathOptions
|
|
|
|
ClientOnly bool
|
|
Force bool
|
|
CreateNamespace bool
|
|
DryRun string
|
|
DisableHooks bool
|
|
Replace bool
|
|
Wait bool
|
|
WaitForJobs bool
|
|
Devel bool
|
|
DependencyUpdate bool
|
|
Timeout time.Duration
|
|
Namespace string
|
|
ReleaseName string
|
|
GenerateName bool
|
|
NameTemplate string
|
|
Description string
|
|
OutputDir string
|
|
Atomic bool
|
|
SkipCRDs bool
|
|
SubNotes bool
|
|
DisableOpenAPIValidation bool
|
|
IncludeCRDs bool
|
|
// KubeVersion allows specifying a custom kubernetes version to use and
|
|
// APIVersions allows a manual set of supported API Versions to be passed
|
|
// (for things like templating). These are ignored if ClientOnly is false
|
|
KubeVersion *chartutil.KubeVersion
|
|
APIVersions chartutil.VersionSet
|
|
// Used by helm template to render charts with .Release.IsUpgrade. Ignored if Dry-Run is false
|
|
IsUpgrade bool
|
|
// Used by helm template to add the release as part of OutputDir path
|
|
// OutputDir/<ReleaseName>
|
|
UseReleaseName bool
|
|
PostRenderer postrender.PostRenderer
|
|
// Lock to control raceconditions when the process receives a SIGTERM
|
|
Lock sync.Mutex
|
|
}
|
|
|
|
// ChartPathOptions captures common options used for controlling chart paths
|
|
type ChartPathOptions struct {
|
|
CaFile string // --ca-file
|
|
CertFile string // --cert-file
|
|
KeyFile string // --key-file
|
|
InsecureSkipTLSverify bool // --insecure-skip-verify
|
|
Keyring string // --keyring
|
|
Password string // --password
|
|
PassCredentialsAll bool // --pass-credentials
|
|
RepoURL string // --repo
|
|
Username string // --username
|
|
Verify bool // --verify
|
|
Version string // --version
|
|
|
|
// registryClient provides a registry client but is not added with
|
|
// options from a flag
|
|
registryClient *registry.Client
|
|
}
|
|
|
|
// NewInstall creates a new Install object with the given configuration.
|
|
func NewInstall(cfg *Configuration) *Install {
|
|
in := &Install{
|
|
cfg: cfg,
|
|
// Set default value of DryRun for before flags are binded (tests)
|
|
DryRun: "none",
|
|
}
|
|
in.ChartPathOptions.registryClient = cfg.RegistryClient
|
|
|
|
return in
|
|
}
|
|
|
|
func (i *Install) installCRDs(crds []chart.CRD) error {
|
|
// We do these one file at a time in the order they were read.
|
|
totalItems := []*resource.Info{}
|
|
for _, obj := range crds {
|
|
// Read in the resources
|
|
res, err := i.cfg.KubeClient.Build(bytes.NewBuffer(obj.File.Data), false)
|
|
if err != nil {
|
|
return errors.Wrapf(err, "failed to install CRD %s", obj.Name)
|
|
}
|
|
|
|
// Send them to Kube
|
|
if _, err := i.cfg.KubeClient.Create(res); err != nil {
|
|
// If the error is CRD already exists, continue.
|
|
if apierrors.IsAlreadyExists(err) {
|
|
crdName := res[0].Name
|
|
i.cfg.Log("CRD %s is already present. Skipping.", crdName)
|
|
continue
|
|
}
|
|
return errors.Wrapf(err, "failed to install CRD %s", obj.Name)
|
|
}
|
|
totalItems = append(totalItems, res...)
|
|
}
|
|
if len(totalItems) > 0 {
|
|
// Invalidate the local cache, since it will not have the new CRDs
|
|
// present.
|
|
discoveryClient, err := i.cfg.RESTClientGetter.ToDiscoveryClient()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
i.cfg.Log("Clearing discovery cache")
|
|
discoveryClient.Invalidate()
|
|
// Give time for the CRD to be recognized.
|
|
|
|
if err := i.cfg.KubeClient.Wait(totalItems, 60*time.Second); err != nil {
|
|
return err
|
|
}
|
|
|
|
// Make sure to force a rebuild of the cache.
|
|
discoveryClient.ServerGroups()
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// Run executes the installation
|
|
//
|
|
// If DryRun is set to true, this will prepare the release, but not install it
|
|
|
|
func (i *Install) Run(chrt *chart.Chart, vals map[string]interface{}) (*release.Release, error) {
|
|
ctx := context.Background()
|
|
return i.RunWithContext(ctx, chrt, vals)
|
|
}
|
|
|
|
// Run executes the installation with Context
|
|
func (i *Install) RunWithContext(ctx context.Context, chrt *chart.Chart, vals map[string]interface{}) (*release.Release, error) {
|
|
// Check reachability of cluster unless in client-only mode (e.g. `helm template` without `--validate`)
|
|
if !i.ClientOnly {
|
|
if err := i.cfg.KubeClient.IsReachable(); err != nil {
|
|
return nil, err
|
|
}
|
|
}
|
|
|
|
if err := i.availableName(); err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
if err := chartutil.ProcessDependencies(chrt, vals); err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
// Pre-install anything in the crd/ directory. We do this before Helm
|
|
// contacts the upstream server and builds the capabilities object.
|
|
if crds := chrt.CRDObjects(); !i.ClientOnly && !i.SkipCRDs && len(crds) > 0 {
|
|
// On dry run, bail here
|
|
if i.DryRun != "none" && i.DryRun != "false" {
|
|
i.cfg.Log("WARNING: This chart or one of its subcharts contains CRDs. Rendering may fail or contain inaccuracies.")
|
|
} else if err := i.installCRDs(crds); err != nil {
|
|
return nil, err
|
|
}
|
|
}
|
|
|
|
if i.ClientOnly {
|
|
// Add mock objects in here so it doesn't use Kube API server
|
|
// NOTE(bacongobbler): used for `helm template`
|
|
i.cfg.Capabilities = chartutil.DefaultCapabilities.Copy()
|
|
if i.KubeVersion != nil {
|
|
i.cfg.Capabilities.KubeVersion = *i.KubeVersion
|
|
}
|
|
i.cfg.Capabilities.APIVersions = append(i.cfg.Capabilities.APIVersions, i.APIVersions...)
|
|
i.cfg.KubeClient = &kubefake.PrintingKubeClient{Out: ioutil.Discard}
|
|
|
|
mem := driver.NewMemory()
|
|
mem.SetNamespace(i.Namespace)
|
|
i.cfg.Releases = storage.Init(mem)
|
|
} else if !i.ClientOnly && len(i.APIVersions) > 0 {
|
|
i.cfg.Log("API Version list given outside of client only mode, this list will be ignored")
|
|
}
|
|
|
|
// Make sure if Atomic is set, that wait is set as well. This makes it so
|
|
// the user doesn't have to specify both
|
|
i.Wait = i.Wait || i.Atomic
|
|
|
|
caps, err := i.cfg.getCapabilities()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
// special case for helm template --is-upgrade
|
|
isUpgrade := i.IsUpgrade && (i.DryRun != "none" && i.DryRun != "false")
|
|
options := chartutil.ReleaseOptions{
|
|
Name: i.ReleaseName,
|
|
Namespace: i.Namespace,
|
|
Revision: 1,
|
|
IsInstall: !isUpgrade,
|
|
IsUpgrade: isUpgrade,
|
|
}
|
|
valuesToRender, err := chartutil.ToRenderValues(chrt, vals, options, caps)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
rel := i.createRelease(chrt, vals)
|
|
|
|
var manifestDoc *bytes.Buffer
|
|
|
|
rel.Hooks, manifestDoc, rel.Info.Notes, err = i.cfg.renderResources(chrt, valuesToRender, i.ReleaseName, i.OutputDir, i.SubNotes, i.UseReleaseName, i.IncludeCRDs, i.PostRenderer, i.DryRun)
|
|
// Even for errors, attach this if available
|
|
if manifestDoc != nil {
|
|
rel.Manifest = manifestDoc.String()
|
|
}
|
|
// Check error from render
|
|
if err != nil {
|
|
rel.SetStatus(release.StatusFailed, fmt.Sprintf("failed to render resource: %s", err.Error()))
|
|
// Return a release with partial data so that the client can show debugging information.
|
|
return rel, err
|
|
}
|
|
|
|
// Mark this release as in-progress
|
|
rel.SetStatus(release.StatusPendingInstall, "Initial install underway")
|
|
|
|
var toBeAdopted kube.ResourceList
|
|
resources, err := i.cfg.KubeClient.Build(bytes.NewBufferString(rel.Manifest), !i.DisableOpenAPIValidation)
|
|
if err != nil {
|
|
return nil, errors.Wrap(err, "unable to build kubernetes objects from release manifest")
|
|
}
|
|
|
|
// It is safe to use "force" here because these are resources currently rendered by the chart.
|
|
err = resources.Visit(setMetadataVisitor(rel.Name, rel.Namespace, true))
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
// Install requires an extra validation step of checking that resources
|
|
// don't already exist before we actually create resources. If we continue
|
|
// forward and create the release object with resources that already exist,
|
|
// we'll end up in a state where we will delete those resources upon
|
|
// deleting the release because the manifest will be pointing at that
|
|
// resource
|
|
if !i.ClientOnly && !isUpgrade && len(resources) > 0 {
|
|
toBeAdopted, err = existingResourceConflict(resources, rel.Name, rel.Namespace)
|
|
if err != nil {
|
|
return nil, errors.Wrap(err, "rendered manifests contain a resource that already exists. Unable to continue with install")
|
|
}
|
|
}
|
|
|
|
// Bail out here if it is a dry run
|
|
if i.DryRun != "none" && i.DryRun != "false" {
|
|
rel.Info.Description = "Dry run complete"
|
|
return rel, nil
|
|
}
|
|
|
|
if i.CreateNamespace {
|
|
ns := &v1.Namespace{
|
|
TypeMeta: metav1.TypeMeta{
|
|
APIVersion: "v1",
|
|
Kind: "Namespace",
|
|
},
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Name: i.Namespace,
|
|
Labels: map[string]string{
|
|
"name": i.Namespace,
|
|
},
|
|
},
|
|
}
|
|
buf, err := yaml.Marshal(ns)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
resourceList, err := i.cfg.KubeClient.Build(bytes.NewBuffer(buf), true)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
if _, err := i.cfg.KubeClient.Create(resourceList); err != nil && !apierrors.IsAlreadyExists(err) {
|
|
return nil, err
|
|
}
|
|
}
|
|
|
|
// If Replace is true, we need to supercede the last release.
|
|
if i.Replace {
|
|
if err := i.replaceRelease(rel); err != nil {
|
|
return nil, err
|
|
}
|
|
}
|
|
|
|
// Store the release in history before continuing (new in Helm 3). We always know
|
|
// that this is a create operation.
|
|
if err := i.cfg.Releases.Create(rel); err != nil {
|
|
// We could try to recover gracefully here, but since nothing has been installed
|
|
// yet, this is probably safer than trying to continue when we know storage is
|
|
// not working.
|
|
return rel, err
|
|
}
|
|
rChan := make(chan resultMessage)
|
|
doneChan := make(chan struct{})
|
|
defer close(doneChan)
|
|
go i.performInstall(rChan, rel, toBeAdopted, resources)
|
|
go i.handleContext(ctx, rChan, doneChan, rel)
|
|
result := <-rChan
|
|
//start preformInstall go routine
|
|
return result.r, result.e
|
|
}
|
|
|
|
func (i *Install) performInstall(c chan<- resultMessage, rel *release.Release, toBeAdopted kube.ResourceList, resources kube.ResourceList) {
|
|
|
|
// pre-install hooks
|
|
if !i.DisableHooks {
|
|
if err := i.cfg.execHook(rel, release.HookPreInstall, i.Timeout); err != nil {
|
|
i.reportToRun(c, rel, fmt.Errorf("failed pre-install: %s", err))
|
|
return
|
|
}
|
|
}
|
|
|
|
// At this point, we can do the install. Note that before we were detecting whether to
|
|
// do an update, but it's not clear whether we WANT to do an update if the re-use is set
|
|
// to true, since that is basically an upgrade operation.
|
|
if len(toBeAdopted) == 0 && len(resources) > 0 {
|
|
if _, err := i.cfg.KubeClient.Create(resources); err != nil {
|
|
i.reportToRun(c, rel, err)
|
|
return
|
|
}
|
|
} else if len(resources) > 0 {
|
|
if _, err := i.cfg.KubeClient.Update(toBeAdopted, resources, i.Force); err != nil {
|
|
i.reportToRun(c, rel, err)
|
|
return
|
|
}
|
|
}
|
|
|
|
if i.Wait {
|
|
if i.WaitForJobs {
|
|
if err := i.cfg.KubeClient.WaitWithJobs(resources, i.Timeout); err != nil {
|
|
i.reportToRun(c, rel, err)
|
|
return
|
|
}
|
|
} else {
|
|
if err := i.cfg.KubeClient.Wait(resources, i.Timeout); err != nil {
|
|
i.reportToRun(c, rel, err)
|
|
return
|
|
}
|
|
}
|
|
}
|
|
|
|
if !i.DisableHooks {
|
|
if err := i.cfg.execHook(rel, release.HookPostInstall, i.Timeout); err != nil {
|
|
i.reportToRun(c, rel, fmt.Errorf("failed post-install: %s", err))
|
|
return
|
|
}
|
|
}
|
|
|
|
if len(i.Description) > 0 {
|
|
rel.SetStatus(release.StatusDeployed, i.Description)
|
|
} else {
|
|
rel.SetStatus(release.StatusDeployed, "Install complete")
|
|
}
|
|
|
|
// This is a tricky case. The release has been created, but the result
|
|
// cannot be recorded. The truest thing to tell the user is that the
|
|
// release was created. However, the user will not be able to do anything
|
|
// further with this release.
|
|
//
|
|
// One possible strategy would be to do a timed retry to see if we can get
|
|
// this stored in the future.
|
|
if err := i.recordRelease(rel); err != nil {
|
|
i.cfg.Log("failed to record the release: %s", err)
|
|
}
|
|
|
|
i.reportToRun(c, rel, nil)
|
|
}
|
|
func (i *Install) handleContext(ctx context.Context, c chan<- resultMessage, done chan struct{}, rel *release.Release) {
|
|
select {
|
|
case <-ctx.Done():
|
|
err := ctx.Err()
|
|
i.reportToRun(c, rel, err)
|
|
case <-done:
|
|
return
|
|
}
|
|
}
|
|
func (i *Install) reportToRun(c chan<- resultMessage, rel *release.Release, err error) {
|
|
i.Lock.Lock()
|
|
if err != nil {
|
|
rel, err = i.failRelease(rel, err)
|
|
}
|
|
c <- resultMessage{r: rel, e: err}
|
|
i.Lock.Unlock()
|
|
}
|
|
func (i *Install) failRelease(rel *release.Release, err error) (*release.Release, error) {
|
|
rel.SetStatus(release.StatusFailed, fmt.Sprintf("Release %q failed: %s", i.ReleaseName, err.Error()))
|
|
if i.Atomic {
|
|
i.cfg.Log("Install failed and atomic is set, uninstalling release")
|
|
uninstall := NewUninstall(i.cfg)
|
|
uninstall.DisableHooks = i.DisableHooks
|
|
uninstall.KeepHistory = false
|
|
uninstall.Timeout = i.Timeout
|
|
if _, uninstallErr := uninstall.Run(i.ReleaseName); uninstallErr != nil {
|
|
return rel, errors.Wrapf(uninstallErr, "an error occurred while uninstalling the release. original install error: %s", err)
|
|
}
|
|
return rel, errors.Wrapf(err, "release %s failed, and has been uninstalled due to atomic being set", i.ReleaseName)
|
|
}
|
|
i.recordRelease(rel) // Ignore the error, since we have another error to deal with.
|
|
return rel, err
|
|
}
|
|
|
|
// availableName tests whether a name is available
|
|
//
|
|
// Roughly, this will return an error if name is
|
|
//
|
|
// - empty
|
|
// - too long
|
|
// - already in use, and not deleted
|
|
// - used by a deleted release, and i.Replace is false
|
|
func (i *Install) availableName() error {
|
|
start := i.ReleaseName
|
|
|
|
if err := chartutil.ValidateReleaseName(start); err != nil {
|
|
return errors.Wrapf(err, "release name %q", start)
|
|
}
|
|
// On dry run, bail here
|
|
if i.DryRun != "none" && i.DryRun != "false" {
|
|
return nil
|
|
}
|
|
|
|
h, err := i.cfg.Releases.History(start)
|
|
if err != nil || len(h) < 1 {
|
|
return nil
|
|
}
|
|
releaseutil.Reverse(h, releaseutil.SortByRevision)
|
|
rel := h[0]
|
|
|
|
if st := rel.Info.Status; i.Replace && (st == release.StatusUninstalled || st == release.StatusFailed) {
|
|
return nil
|
|
}
|
|
return errors.New("cannot re-use a name that is still in use")
|
|
}
|
|
|
|
// createRelease creates a new release object
|
|
func (i *Install) createRelease(chrt *chart.Chart, rawVals map[string]interface{}) *release.Release {
|
|
ts := i.cfg.Now()
|
|
return &release.Release{
|
|
Name: i.ReleaseName,
|
|
Namespace: i.Namespace,
|
|
Chart: chrt,
|
|
Config: rawVals,
|
|
Info: &release.Info{
|
|
FirstDeployed: ts,
|
|
LastDeployed: ts,
|
|
Status: release.StatusUnknown,
|
|
},
|
|
Version: 1,
|
|
}
|
|
}
|
|
|
|
// recordRelease with an update operation in case reuse has been set.
|
|
func (i *Install) recordRelease(r *release.Release) error {
|
|
// This is a legacy function which has been reduced to a oneliner. Could probably
|
|
// refactor it out.
|
|
return i.cfg.Releases.Update(r)
|
|
}
|
|
|
|
// replaceRelease replaces an older release with this one
|
|
//
|
|
// This allows us to re-use names by superseding an existing release with a new one
|
|
func (i *Install) replaceRelease(rel *release.Release) error {
|
|
hist, err := i.cfg.Releases.History(rel.Name)
|
|
if err != nil || len(hist) == 0 {
|
|
// No releases exist for this name, so we can return early
|
|
return nil
|
|
}
|
|
|
|
releaseutil.Reverse(hist, releaseutil.SortByRevision)
|
|
last := hist[0]
|
|
|
|
// Update version to the next available
|
|
rel.Version = last.Version + 1
|
|
|
|
// Do not change the status of a failed release.
|
|
if last.Info.Status == release.StatusFailed {
|
|
return nil
|
|
}
|
|
|
|
// For any other status, mark it as superseded and store the old record
|
|
last.SetStatus(release.StatusSuperseded, "superseded by new release")
|
|
return i.recordRelease(last)
|
|
}
|
|
|
|
// write the <data> to <output-dir>/<name>. <append> controls if the file is created or content will be appended
|
|
func writeToFile(outputDir string, name string, data string, append bool) error {
|
|
outfileName := strings.Join([]string{outputDir, name}, string(filepath.Separator))
|
|
|
|
err := ensureDirectoryForFile(outfileName)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
f, err := createOrOpenFile(outfileName, append)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
defer f.Close()
|
|
|
|
_, err = f.WriteString(fmt.Sprintf("---\n# Source: %s\n%s\n", name, data))
|
|
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
fmt.Printf("wrote %s\n", outfileName)
|
|
return nil
|
|
}
|
|
|
|
func createOrOpenFile(filename string, append bool) (*os.File, error) {
|
|
if append {
|
|
return os.OpenFile(filename, os.O_APPEND|os.O_WRONLY, 0600)
|
|
}
|
|
return os.Create(filename)
|
|
}
|
|
|
|
// check if the directory exists to create file. creates if don't exists
|
|
func ensureDirectoryForFile(file string) error {
|
|
baseDir := path.Dir(file)
|
|
_, err := os.Stat(baseDir)
|
|
if err != nil && !os.IsNotExist(err) {
|
|
return err
|
|
}
|
|
|
|
return os.MkdirAll(baseDir, defaultDirectoryPermission)
|
|
}
|
|
|
|
// NameAndChart returns the name and chart that should be used.
|
|
//
|
|
// This will read the flags and handle name generation if necessary.
|
|
func (i *Install) NameAndChart(args []string) (string, string, error) {
|
|
flagsNotSet := func() error {
|
|
if i.GenerateName {
|
|
return errors.New("cannot set --generate-name and also specify a name")
|
|
}
|
|
if i.NameTemplate != "" {
|
|
return errors.New("cannot set --name-template and also specify a name")
|
|
}
|
|
return nil
|
|
}
|
|
|
|
if len(args) > 2 {
|
|
return args[0], args[1], errors.Errorf("expected at most two arguments, unexpected arguments: %v", strings.Join(args[2:], ", "))
|
|
}
|
|
|
|
if len(args) == 2 {
|
|
return args[0], args[1], flagsNotSet()
|
|
}
|
|
|
|
if i.NameTemplate != "" {
|
|
name, err := TemplateName(i.NameTemplate)
|
|
return name, args[0], err
|
|
}
|
|
|
|
if i.ReleaseName != "" {
|
|
return i.ReleaseName, args[0], nil
|
|
}
|
|
|
|
if !i.GenerateName {
|
|
return "", args[0], errors.New("must either provide a name or specify --generate-name")
|
|
}
|
|
|
|
base := filepath.Base(args[0])
|
|
if base == "." || base == "" {
|
|
base = "chart"
|
|
}
|
|
// if present, strip out the file extension from the name
|
|
if idx := strings.Index(base, "."); idx != -1 {
|
|
base = base[0:idx]
|
|
}
|
|
|
|
return fmt.Sprintf("%s-%d", base, time.Now().Unix()), args[0], nil
|
|
}
|
|
|
|
// TemplateName renders a name template, returning the name or an error.
|
|
func TemplateName(nameTemplate string) (string, error) {
|
|
if nameTemplate == "" {
|
|
return "", nil
|
|
}
|
|
|
|
t, err := template.New("name-template").Funcs(sprig.TxtFuncMap()).Parse(nameTemplate)
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
var b bytes.Buffer
|
|
if err := t.Execute(&b, nil); err != nil {
|
|
return "", err
|
|
}
|
|
|
|
return b.String(), nil
|
|
}
|
|
|
|
// CheckDependencies checks the dependencies for a chart.
|
|
func CheckDependencies(ch *chart.Chart, reqs []*chart.Dependency) error {
|
|
var missing []string
|
|
|
|
OUTER:
|
|
for _, r := range reqs {
|
|
for _, d := range ch.Dependencies() {
|
|
if d.Name() == r.Name {
|
|
continue OUTER
|
|
}
|
|
}
|
|
missing = append(missing, r.Name)
|
|
}
|
|
|
|
if len(missing) > 0 {
|
|
return errors.Errorf("found in Chart.yaml, but missing in charts/ directory: %s", strings.Join(missing, ", "))
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// LocateChart looks for a chart directory in known places, and returns either the full path or an error.
|
|
//
|
|
// This does not ensure that the chart is well-formed; only that the requested filename exists.
|
|
//
|
|
// Order of resolution:
|
|
// - relative to current working directory
|
|
// - if path is absolute or begins with '.', error out here
|
|
// - URL
|
|
//
|
|
// If 'verify' was set on ChartPathOptions, this will attempt to also verify the chart.
|
|
func (c *ChartPathOptions) LocateChart(name string, settings *cli.EnvSettings) (string, error) {
|
|
// If there is no registry client and the name is in an OCI registry return
|
|
// an error and a lookup will not occur.
|
|
if registry.IsOCI(name) && c.registryClient == nil {
|
|
return "", fmt.Errorf("unable to lookup chart %q, missing registry client", name)
|
|
}
|
|
|
|
name = strings.TrimSpace(name)
|
|
version := strings.TrimSpace(c.Version)
|
|
|
|
if _, err := os.Stat(name); err == nil {
|
|
abs, err := filepath.Abs(name)
|
|
if err != nil {
|
|
return abs, err
|
|
}
|
|
if c.Verify {
|
|
if _, err := downloader.VerifyChart(abs, c.Keyring); err != nil {
|
|
return "", err
|
|
}
|
|
}
|
|
return abs, nil
|
|
}
|
|
if filepath.IsAbs(name) || strings.HasPrefix(name, ".") {
|
|
return name, errors.Errorf("path %q not found", name)
|
|
}
|
|
|
|
dl := downloader.ChartDownloader{
|
|
Out: os.Stdout,
|
|
Keyring: c.Keyring,
|
|
Getters: getter.All(settings),
|
|
Options: []getter.Option{
|
|
getter.WithPassCredentialsAll(c.PassCredentialsAll),
|
|
getter.WithTLSClientConfig(c.CertFile, c.KeyFile, c.CaFile),
|
|
getter.WithInsecureSkipVerifyTLS(c.InsecureSkipTLSverify),
|
|
},
|
|
RepositoryConfig: settings.RepositoryConfig,
|
|
RepositoryCache: settings.RepositoryCache,
|
|
RegistryClient: c.registryClient,
|
|
}
|
|
|
|
if registry.IsOCI(name) {
|
|
dl.Options = append(dl.Options, getter.WithRegistryClient(c.registryClient))
|
|
}
|
|
|
|
if c.Verify {
|
|
dl.Verify = downloader.VerifyAlways
|
|
}
|
|
if c.RepoURL != "" {
|
|
chartURL, err := repo.FindChartInAuthAndTLSAndPassRepoURL(c.RepoURL, c.Username, c.Password, name, version,
|
|
c.CertFile, c.KeyFile, c.CaFile, c.InsecureSkipTLSverify, c.PassCredentialsAll, getter.All(settings))
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
name = chartURL
|
|
|
|
// Only pass the user/pass on when the user has said to or when the
|
|
// location of the chart repo and the chart are the same domain.
|
|
u1, err := url.Parse(c.RepoURL)
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
u2, err := url.Parse(chartURL)
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
|
|
// Host on URL (returned from url.Parse) contains the port if present.
|
|
// This check ensures credentials are not passed between different
|
|
// services on different ports.
|
|
if c.PassCredentialsAll || (u1.Scheme == u2.Scheme && u1.Host == u2.Host) {
|
|
dl.Options = append(dl.Options, getter.WithBasicAuth(c.Username, c.Password))
|
|
} else {
|
|
dl.Options = append(dl.Options, getter.WithBasicAuth("", ""))
|
|
}
|
|
} else {
|
|
dl.Options = append(dl.Options, getter.WithBasicAuth(c.Username, c.Password))
|
|
}
|
|
|
|
if err := os.MkdirAll(settings.RepositoryCache, 0755); err != nil {
|
|
return "", err
|
|
}
|
|
|
|
filename, _, err := dl.DownloadTo(name, version, settings.RepositoryCache)
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
|
|
lname, err := filepath.Abs(filename)
|
|
if err != nil {
|
|
return filename, err
|
|
}
|
|
return lname, nil
|
|
}
|