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Commit 2ae276ae authored by fibonacci1729's avatar fibonacci1729
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ref(tiller): refactor tiller APIs into logical files 

*ReleaseServer.InstallRelease -> tiller/release_install.go
*ReleaseServer.UpdateRelease -> tiller/release_update.go
parent d76c1049
Show whitespace changes
Inline Side-by-side
Showing with 393 additions and 339 deletions
pkg/tiller/release_install.go 0 → 100644
View file @ 2ae276ae
/*
Copyright 2016 The Kubernetes Authors All rights reserved.
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 tiller
import (
"fmt"
ctx "golang.org/x/net/context"
"k8s.io/helm/pkg/chartutil"
"k8s.io/helm/pkg/hooks"
"k8s.io/helm/pkg/proto/hapi/release"
"k8s.io/helm/pkg/proto/hapi/services"
relutil "k8s.io/helm/pkg/releaseutil"
"k8s.io/helm/pkg/timeconv"
"strings"
)
// InstallRelease installs a release and stores the release record.
func (s *ReleaseServer) InstallRelease(c ctx.Context, req *services.InstallReleaseRequest) (*services.InstallReleaseResponse, error) {
rel, err := s.prepareRelease(req)
if err != nil {
s.Log("Failed install prepare step: %s", err)
res := &services.InstallReleaseResponse{Release: rel}
// On dry run, append the manifest contents to a failed release. This is
// a stop-gap until we can revisit an error backchannel post-2.0.
if req.DryRun && strings.HasPrefix(err.Error(), "YAML parse error") {
err = fmt.Errorf("%s\n%s", err, rel.Manifest)
}
return res, err
}
res, err := s.performRelease(rel, req)
if err != nil {
s.Log("Failed install perform step: %s", err)
}
return res, err
}
// prepareRelease builds a release for an install operation.
func (s *ReleaseServer) prepareRelease(req *services.InstallReleaseRequest) (*release.Release, error) {
if req.Chart == nil {
return nil, errMissingChart
}
name, err := s.uniqName(req.Name, req.ReuseName)
if err != nil {
return nil, err
}
caps, err := capabilities(s.clientset.Discovery())
if err != nil {
return nil, err
}
revision := 1
ts := timeconv.Now()
options := chartutil.ReleaseOptions{
Name: name,
Time: ts,
Namespace: req.Namespace,
Revision: revision,
IsInstall: true,
}
valuesToRender, err := chartutil.ToRenderValuesCaps(req.Chart, req.Values, options, caps)
if err != nil {
return nil, err
}
hooks, manifestDoc, notesTxt, err := s.renderResources(req.Chart, valuesToRender, caps.APIVersions)
if err != nil {
// Return a release with partial data so that client can show debugging
// information.
rel := &release.Release{
Name: name,
Namespace: req.Namespace,
Chart: req.Chart,
Config: req.Values,
Info: &release.Info{
FirstDeployed: ts,
LastDeployed: ts,
Status: &release.Status{Code: release.Status_UNKNOWN},
Description: fmt.Sprintf("Install failed: %s", err),
},
Version: 0,
}
if manifestDoc != nil {
rel.Manifest = manifestDoc.String()
}
return rel, err
}
// Store a release.
rel := &release.Release{
Name: name,
Namespace: req.Namespace,
Chart: req.Chart,
Config: req.Values,
Info: &release.Info{
FirstDeployed: ts,
LastDeployed: ts,
Status: &release.Status{Code: release.Status_UNKNOWN},
Description: "Initial install underway", // Will be overwritten.
},
Manifest: manifestDoc.String(),
Hooks: hooks,
Version: int32(revision),
}
if len(notesTxt) > 0 {
rel.Info.Status.Notes = notesTxt
}
err = validateManifest(s.env.KubeClient, req.Namespace, manifestDoc.Bytes())
return rel, err
}
// performRelease runs a release.
func (s *ReleaseServer) performRelease(r *release.Release, req *services.InstallReleaseRequest) (*services.InstallReleaseResponse, error) {
res := &services.InstallReleaseResponse{Release: r}
if req.DryRun {
s.Log("Dry run for %s", r.Name)
res.Release.Info.Description = "Dry run complete"
return res, nil
}
// pre-install hooks
if !req.DisableHooks {
if err := s.execHook(r.Hooks, r.Name, r.Namespace, hooks.PreInstall, req.Timeout); err != nil {
return res, err
}
}
switch h, err := s.env.Releases.History(req.Name); {
// if this is a replace operation, append to the release history
case req.ReuseName && err == nil && len(h) >= 1:
// get latest release revision
relutil.Reverse(h, relutil.SortByRevision)
// old release
old := h[0]
// update old release status
old.Info.Status.Code = release.Status_SUPERSEDED
s.recordRelease(old, true)
// update new release with next revision number
// so as to append to the old release's history
r.Version = old.Version + 1
updateReq := &services.UpdateReleaseRequest{
Wait: req.Wait,
Recreate: false,
Timeout: req.Timeout,
}
if err := s.ReleaseModule.Update(old, r, updateReq, s.env); err != nil {
msg := fmt.Sprintf("Release replace %q failed: %s", r.Name, err)
s.Log("warning: %s", msg)
old.Info.Status.Code = release.Status_SUPERSEDED
r.Info.Status.Code = release.Status_FAILED
r.Info.Description = msg
s.recordRelease(old, true)
s.recordRelease(r, false)
return res, err
}
default:
// nothing to replace, create as normal
// regular manifests
if err := s.ReleaseModule.Create(r, req, s.env); err != nil {
msg := fmt.Sprintf("Release %q failed: %s", r.Name, err)
s.Log("warning: %s", msg)
r.Info.Status.Code = release.Status_FAILED
r.Info.Description = msg
s.recordRelease(r, false)
return res, fmt.Errorf("release %s failed: %s", r.Name, err)
}
}
// post-install hooks
if !req.DisableHooks {
if err := s.execHook(r.Hooks, r.Name, r.Namespace, hooks.PostInstall, req.Timeout); err != nil {
msg := fmt.Sprintf("Release %q failed post-install: %s", r.Name, err)
s.Log("warning: %s", msg)
r.Info.Status.Code = release.Status_FAILED
r.Info.Description = msg
s.recordRelease(r, false)
return res, err
}
}
r.Info.Status.Code = release.Status_DEPLOYED
r.Info.Description = "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.
s.recordRelease(r, false)
return res, nil
}
pkg/tiller/release_server.go
View file @ 2ae276ae
...@@ -25,13 +25,11 @@ import ( ...@@ -25,13 +25,11 @@ import (
"strings" "strings"
"github.com/technosophos/moniker" "github.com/technosophos/moniker"
ctx "golang.org/x/net/context"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/client-go/discovery" "k8s.io/client-go/discovery"
"k8s.io/kubernetes/pkg/client/clientset_generated/internalclientset" "k8s.io/kubernetes/pkg/client/clientset_generated/internalclientset"
"k8s.io/helm/pkg/chartutil" "k8s.io/helm/pkg/chartutil"
"k8s.io/helm/pkg/hooks"
"k8s.io/helm/pkg/proto/hapi/chart" "k8s.io/helm/pkg/proto/hapi/chart"
"k8s.io/helm/pkg/proto/hapi/release" "k8s.io/helm/pkg/proto/hapi/release"
"k8s.io/helm/pkg/proto/hapi/services" "k8s.io/helm/pkg/proto/hapi/services"
...@@ -104,75 +102,6 @@ func NewReleaseServer(env *environment.Environment, clientset internalclientset. ...@@ -104,75 +102,6 @@ func NewReleaseServer(env *environment.Environment, clientset internalclientset.
} }
} }
// UpdateRelease takes an existing release and new information, and upgrades the release.
func (s *ReleaseServer) UpdateRelease(c ctx.Context, req *services.UpdateReleaseRequest) (*services.UpdateReleaseResponse, error) {
err := s.env.Releases.LockRelease(req.Name)
if err != nil {
return nil, err
}
defer s.env.Releases.UnlockRelease(req.Name)
currentRelease, updatedRelease, err := s.prepareUpdate(req)
if err != nil {
return nil, err
}
res, err := s.performUpdate(currentRelease, updatedRelease, req)
if err != nil {
return res, err
}
if !req.DryRun {
if err := s.env.Releases.Create(updatedRelease); err != nil {
return res, err
}
}
return res, nil
}
func (s *ReleaseServer) performUpdate(originalRelease, updatedRelease *release.Release, req *services.UpdateReleaseRequest) (*services.UpdateReleaseResponse, error) {
res := &services.UpdateReleaseResponse{Release: updatedRelease}
if req.DryRun {
s.Log("Dry run for %s", updatedRelease.Name)
res.Release.Info.Description = "Dry run complete"
return res, nil
}
// pre-upgrade hooks
if !req.DisableHooks {
if err := s.execHook(updatedRelease.Hooks, updatedRelease.Name, updatedRelease.Namespace, hooks.PreUpgrade, req.Timeout); err != nil {
return res, err
}
}
if err := s.ReleaseModule.Update(originalRelease, updatedRelease, req, s.env); err != nil {
msg := fmt.Sprintf("Upgrade %q failed: %s", updatedRelease.Name, err)
s.Log("warning: %s", msg)
originalRelease.Info.Status.Code = release.Status_SUPERSEDED
updatedRelease.Info.Status.Code = release.Status_FAILED
updatedRelease.Info.Description = msg
s.recordRelease(originalRelease, true)
s.recordRelease(updatedRelease, false)
return res, err
}
// post-upgrade hooks
if !req.DisableHooks {
if err := s.execHook(updatedRelease.Hooks, updatedRelease.Name, updatedRelease.Namespace, hooks.PostUpgrade, req.Timeout); err != nil {
return res, err
}
}
originalRelease.Info.Status.Code = release.Status_SUPERSEDED
s.recordRelease(originalRelease, true)
updatedRelease.Info.Status.Code = release.Status_DEPLOYED
updatedRelease.Info.Description = "Upgrade complete"
return res, nil
}
// reuseValues copies values from the current release to a new release if the // reuseValues copies values from the current release to a new release if the
// new release does not have any values. // new release does not have any values.
// //
...@@ -219,78 +148,6 @@ func (s *ReleaseServer) reuseValues(req *services.UpdateReleaseRequest, current ...@@ -219,78 +148,6 @@ func (s *ReleaseServer) reuseValues(req *services.UpdateReleaseRequest, current
return nil return nil
} }
// prepareUpdate builds an updated release for an update operation.
func (s *ReleaseServer) prepareUpdate(req *services.UpdateReleaseRequest) (*release.Release, *release.Release, error) {
if !ValidName.MatchString(req.Name) {
return nil, nil, errMissingRelease
}
if req.Chart == nil {
return nil, nil, errMissingChart
}
// finds the non-deleted release with the given name
currentRelease, err := s.env.Releases.Last(req.Name)
if err != nil {
return nil, nil, err
}
// If new values were not supplied in the upgrade, re-use the existing values.
if err := s.reuseValues(req, currentRelease); err != nil {
return nil, nil, err
}
// Increment revision count. This is passed to templates, and also stored on
// the release object.
revision := currentRelease.Version + 1
ts := timeconv.Now()
options := chartutil.ReleaseOptions{
Name: req.Name,
Time: ts,
Namespace: currentRelease.Namespace,
IsUpgrade: true,
Revision: int(revision),
}
caps, err := capabilities(s.clientset.Discovery())
if err != nil {
return nil, nil, err
}
valuesToRender, err := chartutil.ToRenderValuesCaps(req.Chart, req.Values, options, caps)
if err != nil {
return nil, nil, err
}
hooks, manifestDoc, notesTxt, err := s.renderResources(req.Chart, valuesToRender, caps.APIVersions)
if err != nil {
return nil, nil, err
}
// Store an updated release.
updatedRelease := &release.Release{
Name: req.Name,
Namespace: currentRelease.Namespace,
Chart: req.Chart,
Config: req.Values,
Info: &release.Info{
FirstDeployed: currentRelease.Info.FirstDeployed,
LastDeployed: ts,
Status: &release.Status{Code: release.Status_UNKNOWN},
Description: "Preparing upgrade", // This should be overwritten later.
},
Version: revision,
Manifest: manifestDoc.String(),
Hooks: hooks,
}
if len(notesTxt) > 0 {
updatedRelease.Info.Status.Notes = notesTxt
}
err = validateManifest(s.env.KubeClient, currentRelease.Namespace, manifestDoc.Bytes())
return currentRelease, updatedRelease, err
}
func (s *ReleaseServer) uniqName(start string, reuse bool) (string, error) { func (s *ReleaseServer) uniqName(start string, reuse bool) (string, error) {
// If a name is supplied, we check to see if that name is taken. If not, it // If a name is supplied, we check to see if that name is taken. If not, it
...@@ -348,28 +205,6 @@ func (s *ReleaseServer) engine(ch *chart.Chart) environment.Engine { ...@@ -348,28 +205,6 @@ func (s *ReleaseServer) engine(ch *chart.Chart) environment.Engine {
return renderer return renderer
} }
// InstallRelease installs a release and stores the release record.
func (s *ReleaseServer) InstallRelease(c ctx.Context, req *services.InstallReleaseRequest) (*services.InstallReleaseResponse, error) {
rel, err := s.prepareRelease(req)
if err != nil {
s.Log("Failed install prepare step: %s", err)
res := &services.InstallReleaseResponse{Release: rel}
// On dry run, append the manifest contents to a failed release. This is
// a stop-gap until we can revisit an error backchannel post-2.0.
if req.DryRun && strings.HasPrefix(err.Error(), "YAML parse error") {
err = fmt.Errorf("%s\n%s", err, rel.Manifest)
}
return res, err
}
res, err := s.performRelease(rel, req)
if err != nil {
s.Log("Failed install perform step: %s", err)
}
return res, err
}
// capabilities builds a Capabilities from discovery information. // capabilities builds a Capabilities from discovery information.
func capabilities(disc discovery.DiscoveryInterface) (*chartutil.Capabilities, error) { func capabilities(disc discovery.DiscoveryInterface) (*chartutil.Capabilities, error) {
sv, err := disc.ServerVersion() sv, err := disc.ServerVersion()
...@@ -387,83 +222,6 @@ func capabilities(disc discovery.DiscoveryInterface) (*chartutil.Capabilities, e ...@@ -387,83 +222,6 @@ func capabilities(disc discovery.DiscoveryInterface) (*chartutil.Capabilities, e
}, nil }, nil
} }
// prepareRelease builds a release for an install operation.
func (s *ReleaseServer) prepareRelease(req *services.InstallReleaseRequest) (*release.Release, error) {
if req.Chart == nil {
return nil, errMissingChart
}
name, err := s.uniqName(req.Name, req.ReuseName)
if err != nil {
return nil, err
}
caps, err := capabilities(s.clientset.Discovery())
if err != nil {
return nil, err
}
revision := 1
ts := timeconv.Now()
options := chartutil.ReleaseOptions{
Name: name,
Time: ts,
Namespace: req.Namespace,
Revision: revision,
IsInstall: true,
}
valuesToRender, err := chartutil.ToRenderValuesCaps(req.Chart, req.Values, options, caps)
if err != nil {
return nil, err
}
hooks, manifestDoc, notesTxt, err := s.renderResources(req.Chart, valuesToRender, caps.APIVersions)
if err != nil {
// Return a release with partial data so that client can show debugging
// information.
rel := &release.Release{
Name: name,
Namespace: req.Namespace,
Chart: req.Chart,
Config: req.Values,
Info: &release.Info{
FirstDeployed: ts,
LastDeployed: ts,
Status: &release.Status{Code: release.Status_UNKNOWN},
Description: fmt.Sprintf("Install failed: %s", err),
},
Version: 0,
}
if manifestDoc != nil {
rel.Manifest = manifestDoc.String()
}
return rel, err
}
// Store a release.
rel := &release.Release{
Name: name,
Namespace: req.Namespace,
Chart: req.Chart,
Config: req.Values,
Info: &release.Info{
FirstDeployed: ts,
LastDeployed: ts,
Status: &release.Status{Code: release.Status_UNKNOWN},
Description: "Initial install underway", // Will be overwritten.
},
Manifest: manifestDoc.String(),
Hooks: hooks,
Version: int32(revision),
}
if len(notesTxt) > 0 {
rel.Info.Status.Notes = notesTxt
}
err = validateManifest(s.env.KubeClient, req.Namespace, manifestDoc.Bytes())
return rel, err
}
// GetVersionSet retrieves a set of available k8s API versions // GetVersionSet retrieves a set of available k8s API versions
func GetVersionSet(client discovery.ServerGroupsInterface) (chartutil.VersionSet, error) { func GetVersionSet(client discovery.ServerGroupsInterface) (chartutil.VersionSet, error) {
groups, err := client.ServerGroups() groups, err := client.ServerGroups()
...@@ -555,94 +313,6 @@ func (s *ReleaseServer) recordRelease(r *release.Release, reuse bool) { ...@@ -555,94 +313,6 @@ func (s *ReleaseServer) recordRelease(r *release.Release, reuse bool) {
} }
} }
// performRelease runs a release.
func (s *ReleaseServer) performRelease(r *release.Release, req *services.InstallReleaseRequest) (*services.InstallReleaseResponse, error) {
res := &services.InstallReleaseResponse{Release: r}
if req.DryRun {
s.Log("Dry run for %s", r.Name)
res.Release.Info.Description = "Dry run complete"
return res, nil
}
// pre-install hooks
if !req.DisableHooks {
if err := s.execHook(r.Hooks, r.Name, r.Namespace, hooks.PreInstall, req.Timeout); err != nil {
return res, err
}
}
switch h, err := s.env.Releases.History(req.Name); {
// if this is a replace operation, append to the release history
case req.ReuseName && err == nil && len(h) >= 1:
// get latest release revision
relutil.Reverse(h, relutil.SortByRevision)
// old release
old := h[0]
// update old release status
old.Info.Status.Code = release.Status_SUPERSEDED
s.recordRelease(old, true)
// update new release with next revision number
// so as to append to the old release's history
r.Version = old.Version + 1
updateReq := &services.UpdateReleaseRequest{
Wait: req.Wait,
Recreate: false,
Timeout: req.Timeout,
}
if err := s.ReleaseModule.Update(old, r, updateReq, s.env); err != nil {
msg := fmt.Sprintf("Release replace %q failed: %s", r.Name, err)
s.Log("warning: %s", msg)
old.Info.Status.Code = release.Status_SUPERSEDED
r.Info.Status.Code = release.Status_FAILED
r.Info.Description = msg
s.recordRelease(old, true)
s.recordRelease(r, false)
return res, err
}
default:
// nothing to replace, create as normal
// regular manifests
if err := s.ReleaseModule.Create(r, req, s.env); err != nil {
msg := fmt.Sprintf("Release %q failed: %s", r.Name, err)
s.Log("warning: %s", msg)
r.Info.Status.Code = release.Status_FAILED
r.Info.Description = msg
s.recordRelease(r, false)
return res, fmt.Errorf("release %s failed: %s", r.Name, err)
}
}
// post-install hooks
if !req.DisableHooks {
if err := s.execHook(r.Hooks, r.Name, r.Namespace, hooks.PostInstall, req.Timeout); err != nil {
msg := fmt.Sprintf("Release %q failed post-install: %s", r.Name, err)
s.Log("warning: %s", msg)
r.Info.Status.Code = release.Status_FAILED
r.Info.Description = msg
s.recordRelease(r, false)
return res, err
}
}
r.Info.Status.Code = release.Status_DEPLOYED
r.Info.Description = "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.
s.recordRelease(r, false)
return res, nil
}
func (s *ReleaseServer) execHook(hs []*release.Hook, name, namespace, hook string, timeout int64) error { func (s *ReleaseServer) execHook(hs []*release.Hook, name, namespace, hook string, timeout int64) error {
kubeCli := s.env.KubeClient kubeCli := s.env.KubeClient
code, ok := events[hook] code, ok := events[hook]
...@@ -683,15 +353,6 @@ func (s *ReleaseServer) execHook(hs []*release.Hook, name, namespace, hook strin ...@@ -683,15 +353,6 @@ func (s *ReleaseServer) execHook(hs []*release.Hook, name, namespace, hook strin
return nil return nil
} }
func (s *ReleaseServer) purgeReleases(rels ...*release.Release) error {
for _, rel := range rels {
if _, err := s.env.Releases.Delete(rel.Name, rel.Version); err != nil {
return err
}
}
return nil
}
func validateManifest(c environment.KubeClient, ns string, manifest []byte) error { func validateManifest(c environment.KubeClient, ns string, manifest []byte) error {
r := bytes.NewReader(manifest) r := bytes.NewReader(manifest)
_, err := c.BuildUnstructured(ns, r) _, err := c.BuildUnstructured(ns, r)
......
pkg/tiller/release_uninstall.go
View file @ 2ae276ae
...@@ -122,3 +122,12 @@ func (s *ReleaseServer) UninstallRelease(c ctx.Context, req *services.UninstallR ...@@ -122,3 +122,12 @@ func (s *ReleaseServer) UninstallRelease(c ctx.Context, req *services.UninstallR
} }
return res, nil return res, nil
} }
func (s *ReleaseServer) purgeReleases(rels ...*release.Release) error {
for _, rel := range rels {
if _, err := s.env.Releases.Delete(rel.Name, rel.Version); err != nil {
return err
}
}
return nil
}
pkg/tiller/release_update.go 0 → 100644
View file @ 2ae276ae
/*
Copyright 2016 The Kubernetes Authors All rights reserved.
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 tiller
import (
"fmt"
ctx "golang.org/x/net/context"
"k8s.io/helm/pkg/chartutil"
"k8s.io/helm/pkg/hooks"
"k8s.io/helm/pkg/proto/hapi/release"
"k8s.io/helm/pkg/proto/hapi/services"
"k8s.io/helm/pkg/timeconv"
)
// UpdateRelease takes an existing release and new information, and upgrades the release.
func (s *ReleaseServer) UpdateRelease(c ctx.Context, req *services.UpdateReleaseRequest) (*services.UpdateReleaseResponse, error) {
err := s.env.Releases.LockRelease(req.Name)
if err != nil {
return nil, err
}
defer s.env.Releases.UnlockRelease(req.Name)
currentRelease, updatedRelease, err := s.prepareUpdate(req)
if err != nil {
return nil, err
}
res, err := s.performUpdate(currentRelease, updatedRelease, req)
if err != nil {
return res, err
}
if !req.DryRun {
if err := s.env.Releases.Create(updatedRelease); err != nil {
return res, err
}
}
return res, nil
}
// prepareUpdate builds an updated release for an update operation.
func (s *ReleaseServer) prepareUpdate(req *services.UpdateReleaseRequest) (*release.Release, *release.Release, error) {
if !ValidName.MatchString(req.Name) {
return nil, nil, errMissingRelease
}
if req.Chart == nil {
return nil, nil, errMissingChart
}
// finds the non-deleted release with the given name
currentRelease, err := s.env.Releases.Last(req.Name)
if err != nil {
return nil, nil, err
}
// If new values were not supplied in the upgrade, re-use the existing values.
if err := s.reuseValues(req, currentRelease); err != nil {
return nil, nil, err
}
// Increment revision count. This is passed to templates, and also stored on
// the release object.
revision := currentRelease.Version + 1
ts := timeconv.Now()
options := chartutil.ReleaseOptions{
Name: req.Name,
Time: ts,
Namespace: currentRelease.Namespace,
IsUpgrade: true,
Revision: int(revision),
}
caps, err := capabilities(s.clientset.Discovery())
if err != nil {
return nil, nil, err
}
valuesToRender, err := chartutil.ToRenderValuesCaps(req.Chart, req.Values, options, caps)
if err != nil {
return nil, nil, err
}
hooks, manifestDoc, notesTxt, err := s.renderResources(req.Chart, valuesToRender, caps.APIVersions)
if err != nil {
return nil, nil, err
}
// Store an updated release.
updatedRelease := &release.Release{
Name: req.Name,
Namespace: currentRelease.Namespace,
Chart: req.Chart,
Config: req.Values,
Info: &release.Info{
FirstDeployed: currentRelease.Info.FirstDeployed,
LastDeployed: ts,
Status: &release.Status{Code: release.Status_UNKNOWN},
Description: "Preparing upgrade", // This should be overwritten later.
},
Version: revision,
Manifest: manifestDoc.String(),
Hooks: hooks,
}
if len(notesTxt) > 0 {
updatedRelease.Info.Status.Notes = notesTxt
}
err = validateManifest(s.env.KubeClient, currentRelease.Namespace, manifestDoc.Bytes())
return currentRelease, updatedRelease, err
}
func (s *ReleaseServer) performUpdate(originalRelease, updatedRelease *release.Release, req *services.UpdateReleaseRequest) (*services.UpdateReleaseResponse, error) {
res := &services.UpdateReleaseResponse{Release: updatedRelease}
if req.DryRun {
s.Log("Dry run for %s", updatedRelease.Name)
res.Release.Info.Description = "Dry run complete"
return res, nil
}
// pre-upgrade hooks
if !req.DisableHooks {
if err := s.execHook(updatedRelease.Hooks, updatedRelease.Name, updatedRelease.Namespace, hooks.PreUpgrade, req.Timeout); err != nil {
return res, err
}
}
if err := s.ReleaseModule.Update(originalRelease, updatedRelease, req, s.env); err != nil {
msg := fmt.Sprintf("Upgrade %q failed: %s", updatedRelease.Name, err)
s.Log("warning: %s", msg)
originalRelease.Info.Status.Code = release.Status_SUPERSEDED
updatedRelease.Info.Status.Code = release.Status_FAILED
updatedRelease.Info.Description = msg
s.recordRelease(originalRelease, true)
s.recordRelease(updatedRelease, false)
return res, err
}
// post-upgrade hooks
if !req.DisableHooks {
if err := s.execHook(updatedRelease.Hooks, updatedRelease.Name, updatedRelease.Namespace, hooks.PostUpgrade, req.Timeout); err != nil {
return res, err
}
}
originalRelease.Info.Status.Code = release.Status_SUPERSEDED
s.recordRelease(originalRelease, true)
updatedRelease.Info.Status.Code = release.Status_DEPLOYED
updatedRelease.Info.Description = "Upgrade complete"
return res, nil
}
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