diff --git a/_proto/hapi/services/tiller.proto b/_proto/hapi/services/tiller.proto index e8342ac8a..aa30a6426 100644 --- a/_proto/hapi/services/tiller.proto +++ b/_proto/hapi/services/tiller.proto @@ -192,6 +192,8 @@ message UpdateReleaseRequest { bool recreate = 6; // timeout specifies the max amount of time any kubernetes client command can run. int64 timeout = 7; + // ResetValues will cause Tiller to ignore stored values, resetting to default values. + bool reset_values = 8; } // UpdateReleaseResponse is the response to an update request. diff --git a/cmd/helm/upgrade.go b/cmd/helm/upgrade.go index 1aef1e27c..4eb228bd3 100644 --- a/cmd/helm/upgrade.go +++ b/cmd/helm/upgrade.go @@ -70,6 +70,7 @@ type upgradeCmd struct { namespace string version string timeout int64 + resetValues bool } func newUpgradeCmd(client helm.Interface, out io.Writer) *cobra.Command { @@ -110,6 +111,7 @@ func newUpgradeCmd(client helm.Interface, out io.Writer) *cobra.Command { f.StringVar(&upgrade.namespace, "namespace", "default", "namespace to install the release into (only used if --install is set)") f.StringVar(&upgrade.version, "version", "", "specify the exact chart version to use. If this is not specified, the latest version is used") f.Int64Var(&upgrade.timeout, "timeout", 300, "time in seconds to wait for any individual kubernetes operation (like Jobs for hooks)") + f.BoolVar(&upgrade.resetValues, "reset-values", false, "when upgrading, reset the values to the ones built into the chart") f.MarkDeprecated("disable-hooks", "use --no-hooks instead") @@ -162,7 +164,8 @@ func (u *upgradeCmd) run() error { helm.UpgradeDryRun(u.dryRun), helm.UpgradeRecreate(u.recreate), helm.UpgradeDisableHooks(u.disableHooks), - helm.UpgradeTimeout(u.timeout)) + helm.UpgradeTimeout(u.timeout), + helm.ResetValues(u.resetValues)) if err != nil { return fmt.Errorf("UPGRADE FAILED: %v", prettyError(err)) } diff --git a/cmd/helm/upgrade_test.go b/cmd/helm/upgrade_test.go index 19334a917..0b485639a 100644 --- a/cmd/helm/upgrade_test.go +++ b/cmd/helm/upgrade_test.go @@ -93,6 +93,13 @@ func TestUpgradeCmd(t *testing.T) { resp: releaseMock(&releaseOptions{name: "funny-bunny", version: 3, chart: ch2}), expected: "Release \"funny-bunny\" has been upgraded. Happy Helming!\n", }, + { + name: "upgrade a release with --reset-values", + args: []string{"funny-bunny", chartPath}, + flags: []string{"--reset-values", "true"}, + resp: releaseMock(&releaseOptions{name: "funny-bunny", version: 4, chart: ch2}), + expected: "Release \"funny-bunny\" has been upgraded. Happy Helming!\n", + }, { name: "install a release with 'upgrade --install'", args: []string{"zany-bunny", chartPath}, diff --git a/pkg/helm/client.go b/pkg/helm/client.go index 91e666362..893284b8f 100644 --- a/pkg/helm/client.go +++ b/pkg/helm/client.go @@ -134,6 +134,7 @@ func (h *Client) UpdateRelease(rlsName string, chstr string, opts ...UpdateOptio req.Name = rlsName req.DisableHooks = h.opts.disableHooks req.Recreate = h.opts.recreate + req.ResetValues = h.opts.resetValues ctx := NewContext() if h.opts.before != nil { diff --git a/pkg/helm/option.go b/pkg/helm/option.go index ad615fb09..bb28570a8 100644 --- a/pkg/helm/option.go +++ b/pkg/helm/option.go @@ -64,6 +64,8 @@ type options struct { before func(context.Context, proto.Message) error // release history options are applied directly to the get release history request histReq rls.GetHistoryRequest + // resetValues instructs Tiller to reset values to their defaults. + resetValues bool } // Host specifies the host address of the Tiller release server, (default = ":44134"). @@ -270,6 +272,12 @@ func UpgradeDryRun(dry bool) UpdateOption { } } +func ResetValues(reset bool) UpdateOption { + return func(opts *options) { + opts.resetValues = reset + } +} + // UpgradeRecreate will (if true) recreate pods after upgrade. func UpgradeRecreate(recreate bool) UpdateOption { return func(opts *options) { diff --git a/pkg/proto/hapi/services/tiller.pb.go b/pkg/proto/hapi/services/tiller.pb.go index 5c244e1bc..bb773f826 100644 --- a/pkg/proto/hapi/services/tiller.pb.go +++ b/pkg/proto/hapi/services/tiller.pb.go @@ -250,6 +250,8 @@ type UpdateReleaseRequest struct { Recreate bool `protobuf:"varint,6,opt,name=recreate" json:"recreate,omitempty"` // timeout specifies the max amount of time any kubernetes client command can run. Timeout int64 `protobuf:"varint,7,opt,name=timeout" json:"timeout,omitempty"` + // ResetValues will cause Tiller to ignore stored values, resetting to default values. + ResetValues bool `protobuf:"varint,8,opt,name=reset_values,json=resetValues" json:"reset_values,omitempty"` } func (m *UpdateReleaseRequest) Reset() { *m = UpdateReleaseRequest{} } @@ -892,72 +894,73 @@ var _ReleaseService_serviceDesc = grpc.ServiceDesc{ func init() { proto.RegisterFile("hapi/services/tiller.proto", fileDescriptor0) } var fileDescriptor0 = []byte{ - // 1058 bytes of a gzipped FileDescriptorProto - 0x1f, 0x8b, 0x08, 0x00, 0x00, 0x09, 0x6e, 0x88, 0x02, 0xff, 0x9c, 0x57, 0xdd, 0x6e, 0xe3, 0xc4, - 0x17, 0xaf, 0xf3, 0xe1, 0x24, 0xa7, 0x1f, 0xff, 0x74, 0xb6, 0x1f, 0xae, 0xf5, 0x07, 0x45, 0x46, - 0xb0, 0x61, 0x61, 0x53, 0x08, 0x57, 0x48, 0x08, 0xa9, 0x9b, 0x8d, 0xd2, 0x42, 0xc9, 0x4a, 0x0e, - 0x05, 0x89, 0x0b, 0x22, 0x37, 0x99, 0x6c, 0xcd, 0x3a, 0x9e, 0xe0, 0x99, 0x54, 0x9b, 0x5b, 0xee, - 0x78, 0x00, 0x5e, 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0x6d, 0x1e, 0xe5, + 0xb0, 0x95, 0x35, 0x23, 0xed, 0xcf, 0x0b, 0xe9, 0x26, 0xb6, 0x66, 0xb0, 0xa7, 0xd7, 0x39, 0xca, + 0x01, 0xc8, 0x6c, 0x92, 0xf6, 0x17, 0xc5, 0x94, 0x13, 0x73, 0x14, 0x9a, 0xe9, 0x32, 0xcc, 0xbb, + 0xc7, 0x9c, 0x96, 0x91, 0x77, 0x8f, 0x79, 0xd5, 0xed, 0x6c, 0x21, 0x0f, 0xe0, 0xbe, 0x0a, 0xd1, + 0xe3, 0xdc, 0x0b, 0xd1, 0x8b, 0xd7, 0x6e, 0xbd, 0x5d, 0x31, 0x31, 0x31, 0x87, 0xf7, 0x52, 0x23, + 0x09, 0xe5, 0x50, 0x93, 0x3d, 0x75, 0xed, 0xa7, 0x05, 0xb5, 0x53, 0x41, 0xc9, 0xc2, 0x5e, 0x13, + 0x94, 0xde, 0x35, 0xd6, 0x04, 0x95, 0xea, 0x11, 0xce, 0xd6, 0x33, 0xf8, 0xa5, 0xae, 0xf4, 0x6e, + 0x4c, 0xfe, 0x17, 0xe8, 0xeb, 0xff, 0x03, 0x00, 0x00, 0xff, 0xff, 0x83, 0x62, 0xce, 0x77, 0xd3, + 0x0d, 0x00, 0x00, } diff --git a/pkg/tiller/release_server.go b/pkg/tiller/release_server.go index fd423df34..3cc0bd784 100644 --- a/pkg/tiller/release_server.go +++ b/pkg/tiller/release_server.go @@ -323,11 +323,26 @@ func (s *ReleaseServer) performUpdate(originalRelease, updatedRelease *release.R return res, nil } -// reuseValues copies values from the current release to a new release if the new release does not have any values. +// reuseValues copies values from the current release to a new release if the +// new release does not have any values. // -// If the request already has values, or if there are no values in the current release, this does nothing. +// If the request already has values, or if there are no values in the current +// release, this does nothing. +// +// This is skipped if the req.ResetValues flag is set, in which case the +// request values are not altered. func (s *ReleaseServer) reuseValues(req *services.UpdateReleaseRequest, current *release.Release) { - if (req.Values == nil || req.Values.Raw == "" || req.Values.Raw == "{}\n") && current.Config != nil && current.Config.Raw != "" && current.Config.Raw != "{}\n" { + if req.ResetValues { + // If ResetValues is set, we comletely ignore current.Config. + log.Print("Reset values to the chart's original version.") + return + } + // If req.Values is empty, but current. config is not, copy current into the + // request. + if (req.Values == nil || req.Values.Raw == "" || req.Values.Raw == "{}\n") && + current.Config != nil && + current.Config.Raw != "" && + current.Config.Raw != "{}\n" { log.Printf("Copying values from %s (v%d) to new release.", current.Name, current.Version) req.Values = current.Config } diff --git a/pkg/tiller/release_server_test.go b/pkg/tiller/release_server_test.go index aa1b5cf7c..1a414013f 100644 --- a/pkg/tiller/release_server_test.go +++ b/pkg/tiller/release_server_test.go @@ -667,6 +667,32 @@ func TestUpdateRelease(t *testing.T) { t.Errorf("Expected release version to be %v, got %v", 2, res.Release.Version) } } +func TestUpdateReleaseResetValues(t *testing.T) { + c := helm.NewContext() + rs := rsFixture() + rel := releaseStub() + rs.env.Releases.Create(rel) + + req := &services.UpdateReleaseRequest{ + Name: rel.Name, + Chart: &chart.Chart{ + Metadata: &chart.Metadata{Name: "hello"}, + Templates: []*chart.Template{ + {Name: "templates/hello", Data: []byte("hello: world")}, + {Name: "templates/hooks", Data: []byte(manifestWithUpgradeHooks)}, + }, + }, + ResetValues: true, + } + res, err := rs.UpdateRelease(c, req) + if err != nil { + t.Fatalf("Failed updated: %s", err) + } + // This should have been unset. Config: &chart.Config{Raw: `name: value`}, + if res.Release.Config != nil && res.Release.Config.Raw != "" { + t.Errorf("Expected chart config to be empty, got %q", res.Release.Config.Raw) + } +} func TestUpdateReleaseFailure(t *testing.T) { c := helm.NewContext()