feat(helm): added new helm notes command to display notes provided by the chart of a release

Signed-off-by: Arash Deshmeh <adeshmeh@ca.ibm.com>
pull/4078/head
Arash Deshmeh 7 years ago
parent 8a72628beb
commit 7f703f50a9

@ -75,6 +75,7 @@ func newGetCmd(client helm.Interface, out io.Writer) *cobra.Command {
cmd.AddCommand(addFlagsTLS(newGetValuesCmd(nil, out)))
cmd.AddCommand(addFlagsTLS(newGetManifestCmd(nil, out)))
cmd.AddCommand(addFlagsTLS(newGetHooksCmd(nil, out)))
cmd.AddCommand(addFlagsTLS(newGetNotesCmd(nil, out)))
return cmd
}

@ -0,0 +1,77 @@
/*
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 main
import (
"fmt"
"io"
"github.com/spf13/cobra"
"k8s.io/helm/pkg/helm"
)
var getNotesHelp = `
This command shows notes provided by the chart of a named release.
`
type getNotesCmd struct {
release string
out io.Writer
client helm.Interface
version int32
}
func newGetNotesCmd(client helm.Interface, out io.Writer) *cobra.Command {
get := &getNotesCmd{
out: out,
client: client,
}
cmd := &cobra.Command{
Use: "notes [flags] RELEASE_NAME",
Short: "displays the notes of the named release",
Long: getNotesHelp,
PreRunE: func(_ *cobra.Command, _ []string) error { return setupConnection() },
RunE: func(cmd *cobra.Command, args []string) error {
if len(args) == 0 {
return errReleaseRequired
}
get.release = args[0]
if get.client == nil {
get.client = newClient()
}
return get.run()
},
}
cmd.PersistentFlags().Int32Var(&get.version, "revision", 0, "get the notes of the named release with revision")
return cmd
}
func (n *getNotesCmd) run() error {
res, err := n.client.ReleaseStatus(n.release, helm.StatusReleaseVersion(n.version))
if err != nil {
return prettyError(err)
}
if len(res.Info.Status.Notes) > 0 {
fmt.Fprintf(n.out, "NOTES:\n%s\n", res.Info.Status.Notes)
}
return nil
}

@ -0,0 +1,52 @@
/*
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 main
import (
"io"
"testing"
"github.com/spf13/cobra"
"k8s.io/helm/pkg/helm"
"k8s.io/helm/pkg/proto/hapi/release"
)
func TestGetNotesCmd(t *testing.T) {
tests := []releaseCase{
{
name: "get notes of a deployed release",
args: []string{"flummoxed-chickadee"},
expected: "NOTES:\nrelease notes\n",
rels: []*release.Release{
releaseMockWithStatus(&release.Status{
Code: release.Status_DEPLOYED,
Notes: "release notes",
}),
},
},
{
name: "get notes requires release name arg",
err: true,
},
}
runReleaseCases(t, tests, func(c *helm.FakeClient, out io.Writer) *cobra.Command {
return newGetNotesCmd(c, out)
})
}

@ -70,4 +70,4 @@ Environment:
* [helm verify](helm_verify.md) - verify that a chart at the given path has been signed and is valid
* [helm version](helm_version.md) - print the client/server version information
###### Auto generated by spf13/cobra on 1-Aug-2018
###### Auto generated by spf13/cobra on 1-Sep-2018

@ -51,6 +51,7 @@ helm get [flags] RELEASE_NAME
* [helm](helm.md) - The Helm package manager for Kubernetes.
* [helm get hooks](helm_get_hooks.md) - download all hooks for a named release
* [helm get manifest](helm_get_manifest.md) - download the manifest for a named release
* [helm get notes](helm_get_notes.md) - displays the notes of the named release
* [helm get values](helm_get_values.md) - download the values file for a named release
###### Auto generated by spf13/cobra on 10-Aug-2018
###### Auto generated by spf13/cobra on 1-Sep-2018

@ -0,0 +1,44 @@
## helm get notes
displays the notes of the named release
### Synopsis
This command shows notes provided by the chart of a named release.
```
helm get notes [flags] RELEASE_NAME
```
### Options
```
-h, --help help for notes
--revision int32 get the notes of the named release with revision
--tls enable TLS for request
--tls-ca-cert string path to TLS CA certificate file (default "$HELM_HOME/ca.pem")
--tls-cert string path to TLS certificate file (default "$HELM_HOME/cert.pem")
--tls-hostname string the server name used to verify the hostname on the returned certificates from the server
--tls-key string path to TLS key file (default "$HELM_HOME/key.pem")
--tls-verify enable TLS for request and verify remote
```
### Options inherited from parent commands
```
--debug enable verbose output
--home string location of your Helm config. Overrides $HELM_HOME (default "~/.helm")
--host string address of Tiller. Overrides $HELM_HOST
--kube-context string name of the kubeconfig context to use
--kubeconfig string absolute path to the kubeconfig file to use
--tiller-connection-timeout int the duration (in seconds) Helm will wait to establish a connection to tiller (default 300)
--tiller-namespace string namespace of Tiller (default "kube-system")
```
### SEE ALSO
* [helm get](helm_get.md) - download a named release
###### Auto generated by spf13/cobra on 1-Sep-2018
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