Add `-json` flag to `quota inspect` command (#16478)
* Added and flag to command * cli[style]: small refactor to avoid confussion with tmpl variable * Update inspect.mdx * cli: add changelog entry * Update .changelog/16478.txt Co-authored-by: James Rasell <jrasell@users.noreply.github.com> * Update command/quota_inspect.go Co-authored-by: James Rasell <jrasell@users.noreply.github.com> --------- Co-authored-by: James Rasell <jrasell@users.noreply.github.com>
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@ -0,0 +1,3 @@
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```release-note:improvement
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cli: Added `-json` flag to `quota inspect` command
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```
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@ -102,7 +102,7 @@ func testNamespace() *Namespace {
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func testQuotaSpec() *QuotaSpec {
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return &QuotaSpec{
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Name: "test-namespace",
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Name: "test-quota",
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Description: "Testing namespaces",
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Limits: []*QuotaLimit{
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{
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@ -33,8 +33,11 @@ General Options:
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Inspect Options:
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-json
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Output the latest quota information in a JSON format.
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-t
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Format and display the namespaces using a Go template.
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Format and display quota information using a Go template.
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`
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return strings.TrimSpace(helpText)
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@ -44,6 +47,7 @@ func (c *QuotaInspectCommand) AutocompleteFlags() complete.Flags {
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return mergeAutocompleteFlags(c.Meta.AutocompleteFlags(FlagSetClient),
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complete.Flags{
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"-t": complete.PredictAnything,
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"-json": complete.PredictNothing,
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})
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}
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@ -58,9 +62,11 @@ func (c *QuotaInspectCommand) Synopsis() string {
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func (c *QuotaInspectCommand) Name() string { return "quota inspect" }
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func (c *QuotaInspectCommand) Run(args []string) int {
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var json bool
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var tmpl string
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flags := c.Meta.FlagSet(c.Name(), FlagSetClient)
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flags.Usage = func() { c.Ui.Output(c.Help()) }
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flags.BoolVar(&json, "json", false, "")
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flags.StringVar(&tmpl, "t", "", "")
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if err := flags.Parse(args); err != nil {
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@ -97,6 +103,17 @@ func (c *QuotaInspectCommand) Run(args []string) int {
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return 1
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}
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if json || len(tmpl) > 0 {
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out, err := Format(json, tmpl, spec)
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if err != nil {
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c.Ui.Error(err.Error())
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return 1
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}
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c.Ui.Output(out)
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return 0
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}
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// Get the quota usages
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usages, failures := quotaUsages(spec, quotas)
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@ -111,7 +128,8 @@ func (c *QuotaInspectCommand) Run(args []string) int {
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Failures: failuresConverted,
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}
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out, err := Format(len(tmpl) == 0, tmpl, data)
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ftr := JSONFormat{}
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out, err := ftr.TransformData(data)
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if err != nil {
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c.Ui.Error(err.Error())
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return 1
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@ -10,7 +10,7 @@ import (
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"github.com/hashicorp/nomad/ci"
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"github.com/mitchellh/cli"
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"github.com/posener/complete"
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"github.com/stretchr/testify/assert"
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"github.com/shoenig/test/must"
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)
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func TestQuotaInspectCommand_Implements(t *testing.T) {
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@ -24,24 +24,20 @@ func TestQuotaInspectCommand_Fails(t *testing.T) {
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cmd := &QuotaInspectCommand{Meta: Meta{Ui: ui}}
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// Fails on misuse
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if code := cmd.Run([]string{"some", "bad", "args"}); code != 1 {
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t.Fatalf("expected exit code 1, got: %d", code)
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}
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if out := ui.ErrorWriter.String(); !strings.Contains(out, commandErrorText(cmd)) {
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t.Fatalf("expected help output, got: %s", out)
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}
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code = cmd.Run([]string{"some", "bad", "args"})
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must.One(t, code)
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must.StrContains(t, ui.ErrorWriter.String(), commandErrorText(cmd))
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ui.ErrorWriter.Reset()
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if code := cmd.Run([]string{"-address=nope", "foo"}); code != 1 {
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t.Fatalf("expected exit code 1, got: %d", code)
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}
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if out := ui.ErrorWriter.String(); !strings.Contains(out, "retrieving quota") {
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t.Fatalf("connection error, got: %s", out)
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}
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code = cmd.Run([]string{"-address=nope", "foo"})
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must.One(t, code)
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must.StrContains(t, ui.ErrorWriter.String(), "retrieving quota")
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ui.ErrorWriter.Reset()
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}
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func TestQuotaInspectCommand_Good(t *testing.T) {
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func TestQuotaInspectCommand_Run(t *testing.T) {
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ci.Parallel(t)
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// Create a server
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@ -54,17 +50,34 @@ func TestQuotaInspectCommand_Good(t *testing.T) {
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// Create a quota to delete
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qs := testQuotaSpec()
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_, err := client.Quotas().Register(qs, nil)
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assert.Nil(t, err)
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must.NoError(t, err)
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// Delete a namespace
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if code := cmd.Run([]string{"-address=" + url, qs.Name}); code != 0 {
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t.Fatalf("expected exit 0, got: %d; %v", code, ui.ErrorWriter.String())
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}
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// Delete a quota
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code := cmd.Run([]string{"-address=" + url, qs.Name})
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must.Zero(t, code)
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out := ui.OutputWriter.String()
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if !strings.Contains(out, "Usages") || !strings.Contains(out, qs.Name) {
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t.Fatalf("expected quota, got: %s", out)
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}
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// List json
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must.Zero(t, cmd.Run([]string{"-address=" + url, "-json", allocID}))
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outJson := *api.Quotas{}
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err = json.Unmarshal(ui.OutputWriter.Bytes(), &outJson)
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must.NoError(t, err)
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ui.OutputWriter.Reset()
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// Go template to format the output
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code = cmd.Run([]string{"-address=" + url, "-t", "{{ .Name }}", allocID})
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must.Zero(t, code)
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out = ui.OutputWriter.String()
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must.StrContains(t, out, "test-quota")
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ui.OutputWriter.Reset()
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}
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func TestQuotaInspectCommand_AutocompleteArgs(t *testing.T) {
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@ -80,12 +93,12 @@ func TestQuotaInspectCommand_AutocompleteArgs(t *testing.T) {
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// Create a quota
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qs := testQuotaSpec()
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_, err := client.Quotas().Register(qs, nil)
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assert.Nil(err)
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must.NoError(t, err)
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args := complete.Args{Last: "t"}
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predictor := cmd.AutocompleteArgs()
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res := predictor.Predict(args)
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assert.Equal(1, len(res))
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assert.Equal(qs.Name, res[0])
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must.One(t, len(res))
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must.StrContains(t, qs.Name, res[0])
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}
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@ -29,6 +29,8 @@ capability and access to any namespaces that the quota is applied to.
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## Inspect Options
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- `-json`: Output the quota specifications in a JSON format.
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- `-t`: Format and display the quota using a Go template.
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## Examples
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@ -88,3 +90,34 @@ $ nomad quota inspect default-quota
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}
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}
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```
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The `-json` flag can be used to get the quota specs in json format:
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```shell-session
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$ nomad quota inspect -json default-quota
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{
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"CreateIndex": 8,
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"Description": "Limit the shared default namespace",
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"Limits": [
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{
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"Hash": "NLOoV2WBU8ieJIrYXXx8NRb5C2xU61pVVWRDLEIMxlU=",
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"Region": "global",
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"RegionLimit": {
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"CPU": 2500,
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"DiskMB": 0,
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"MemoryMB": 2000,
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"Networks": null
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}
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}
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],
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"ModifyIndex": 56,
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"Name": "default-quota"
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}
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```
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Or use the `-t` flag to format and display the quota specs using a Go template:
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```shell-session
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$ nomad quota inspect -t {{ .Description }} default-quota
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Limit the shared default namespace
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```
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