mirror of https://github.com/helm/helm
Siew Kam Onn
1 year ago
commit
3a1719e4e1
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/*
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Copyright The Helm Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package cmd
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import (
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"fmt"
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"log/slog"
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"strconv"
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"github.com/spf13/cobra"
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"helm.sh/helm/v4/pkg/action"
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)
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func addDryRunFlag(cmd *cobra.Command) {
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// --dry-run options with expected outcome:
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// - Not set means no dry run and server is contacted.
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// - Set with no value, a value of client, or a value of true and the server is not contacted
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// - Set with a value of false, none, or false and the server is contacted
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// The true/false part is meant to reflect some legacy behavior while none is equal to "".
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f := cmd.Flags()
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f.String(
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"dry-run",
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"none",
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`simulates the operation without persisting changes. Must be one of: "none" (default), "client", or "server". '--dry-run=none' executes the operation normally and persists changes (no simulation). '--dry-run=client' simulates the operation client-side only and avoids cluster connections. '--dry-run=server' simulates the operation on the server, requiring cluster connectivity.`)
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f.Lookup("dry-run").NoOptDefVal = "unset"
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}
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// Determine the `action.DryRunStrategy` given -dry-run=<value>` flag (or absence of)
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// Legacy usage of the flag: boolean values, and `--dry-run` (without value) are supported, and log warnings emitted
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func cmdGetDryRunFlagStrategy(cmd *cobra.Command, isTemplate bool) (action.DryRunStrategy, error) {
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f := cmd.Flag("dry-run")
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v := f.Value.String()
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switch v {
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case f.NoOptDefVal:
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slog.Warn(`--dry-run is deprecated and should be replaced with '--dry-run=client'`)
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return action.DryRunClient, nil
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case string(action.DryRunClient):
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return action.DryRunClient, nil
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case string(action.DryRunServer):
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return action.DryRunServer, nil
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case string(action.DryRunNone):
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if isTemplate {
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// Special case hack for `helm template`, which is always a dry run
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return action.DryRunNone, fmt.Errorf(`invalid dry-run value (%q). Must be "server" or "client"`, v)
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}
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return action.DryRunNone, nil
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}
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b, err := strconv.ParseBool(v)
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if err != nil {
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return action.DryRunNone, fmt.Errorf(`invalid dry-run value (%q). Must be "none", "server", or "client"`, v)
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}
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if isTemplate && !b {
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// Special case for `helm template`, which is always a dry run
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return action.DryRunNone, fmt.Errorf(`invalid dry-run value (%q). Must be "server" or "client"`, v)
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}
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result := action.DryRunNone
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if b {
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result = action.DryRunClient
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}
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slog.Warn(fmt.Sprintf(`boolean '--dry-run=%v' flag is deprecated and must be replaced with '--dry-run=%s'`, v, result))
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return result, nil
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}
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@ -0,0 +1,116 @@
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/*
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Copyright The Helm Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package release
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import (
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"errors"
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"fmt"
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"time"
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"helm.sh/helm/v4/pkg/chart"
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v1release "helm.sh/helm/v4/pkg/release/v1"
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)
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var NewAccessor func(rel Releaser) (Accessor, error) = newDefaultAccessor //nolint:revive
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var NewHookAccessor func(rel Hook) (HookAccessor, error) = newDefaultHookAccessor //nolint:revive
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func newDefaultAccessor(rel Releaser) (Accessor, error) {
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switch v := rel.(type) {
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case v1release.Release:
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return &v1Accessor{&v}, nil
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case *v1release.Release:
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return &v1Accessor{v}, nil
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default:
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return nil, fmt.Errorf("unsupported release type: %T", rel)
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}
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}
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func newDefaultHookAccessor(hook Hook) (HookAccessor, error) {
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switch h := hook.(type) {
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case v1release.Hook:
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return &v1HookAccessor{&h}, nil
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case *v1release.Hook:
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return &v1HookAccessor{h}, nil
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default:
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return nil, errors.New("unsupported release hook type")
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}
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}
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type v1Accessor struct {
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rel *v1release.Release
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}
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func (a *v1Accessor) Name() string {
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return a.rel.Name
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}
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func (a *v1Accessor) Namespace() string {
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return a.rel.Namespace
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}
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func (a *v1Accessor) Version() int {
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return a.rel.Version
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}
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func (a *v1Accessor) Hooks() []Hook {
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var hooks = make([]Hook, len(a.rel.Hooks))
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for i, h := range a.rel.Hooks {
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hooks[i] = h
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}
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return hooks
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}
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func (a *v1Accessor) Manifest() string {
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return a.rel.Manifest
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}
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func (a *v1Accessor) Notes() string {
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return a.rel.Info.Notes
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}
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func (a *v1Accessor) Labels() map[string]string {
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return a.rel.Labels
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}
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func (a *v1Accessor) Chart() chart.Charter {
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return a.rel.Chart
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}
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func (a *v1Accessor) Status() string {
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return a.rel.Info.Status.String()
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}
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func (a *v1Accessor) ApplyMethod() string {
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return a.rel.ApplyMethod
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}
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func (a *v1Accessor) DeployedAt() time.Time {
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return a.rel.Info.LastDeployed
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}
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type v1HookAccessor struct {
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hook *v1release.Hook
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}
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func (a *v1HookAccessor) Path() string {
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return a.hook.Path
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}
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func (a *v1HookAccessor) Manifest() string {
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return a.hook.Manifest
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}
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@ -0,0 +1,65 @@
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/*
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Copyright The Helm Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package release
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import (
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"testing"
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"time"
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"github.com/stretchr/testify/assert"
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"helm.sh/helm/v4/pkg/release/common"
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rspb "helm.sh/helm/v4/pkg/release/v1"
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)
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func TestNewDefaultAccessor(t *testing.T) {
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// Testing the default implementation rather than NewAccessor which can be
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// overridden by developers.
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is := assert.New(t)
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// Create release
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info := &rspb.Info{Status: common.StatusDeployed, LastDeployed: time.Now().Add(1000)}
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labels := make(map[string]string)
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labels["foo"] = "bar"
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rel := &rspb.Release{
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Name: "happy-cats",
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Version: 2,
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Info: info,
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Labels: labels,
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Namespace: "default",
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ApplyMethod: "csa",
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}
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// newDefaultAccessor should not be called directly Instead, NewAccessor should be
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// called and it will call NewDefaultAccessor. NewAccessor can be changed to a
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// non-default accessor by a user so the test calls the default implementation.
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// The accessor provides a means to access data on resources that are different types
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// but have the same interface. Instead of properties, methods are used to access
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// information. Structs with properties are useful in Go when it comes to marshalling
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// and unmarshalling data (e.g. coming and going from JSON or YAML). But, structs
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// can't be used with interfaces. The accessors enable access to the underlying data
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// in a manner that works with Go interfaces.
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accessor, err := newDefaultAccessor(rel)
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is.NoError(err)
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// Verify information
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is.Equal(rel.Name, accessor.Name())
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is.Equal(rel.Namespace, accessor.Namespace())
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is.Equal(rel.Version, accessor.Version())
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is.Equal(rel.ApplyMethod, accessor.ApplyMethod())
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is.Equal(rel.Labels, accessor.Labels())
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}
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@ -0,0 +1,46 @@
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/*
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Copyright The Helm Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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|
you may not use this file except in compliance with the License.
|
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|
You may obtain a copy of the License at
|
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|
|
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|
http://www.apache.org/licenses/LICENSE-2.0
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|
|
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|
Unless required by applicable law or agreed to in writing, software
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|
distributed under the License is distributed on an "AS IS" BASIS,
|
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|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||||
|
See the License for the specific language governing permissions and
|
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|
limitations under the License.
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||||||
|
*/
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|
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|
package release
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import (
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"time"
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"helm.sh/helm/v4/pkg/chart"
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)
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type Releaser interface{}
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type Hook interface{}
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type Accessor interface {
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Name() string
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Namespace() string
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Version() int
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Hooks() []Hook
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Manifest() string
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Notes() string
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Labels() map[string]string
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Chart() chart.Charter
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Status() string
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ApplyMethod() string
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DeployedAt() time.Time
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}
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type HookAccessor interface {
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Path() string
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Manifest() string
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}
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Loading…
Reference in new issue