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Merge pull request #4385 from khia/json_format

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Support json output in --format flag of docker inspect
This commit is contained in:
Victor Vieux 2014-03-03 12:36:47 -08:00
commit 37d0ce42c6
2 changed files with 21 additions and 1 deletions
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9
api/client.go
View file

@ -37,6 +37,13 @@ import (
"time"
)
var funcMap = template.FuncMap{
"json": func(v interface{}) string {
a, _ := json.Marshal(v)
return string(a)
},
}
var (
ErrConnectionRefused = errors.New("Can't connect to docker daemon. Is 'docker -d' running on this host?")
)
@ -640,7 +647,7 @@ func (cli *DockerCli) CmdInspect(args ...string) error {
var tmpl *template.Template
if *tmplStr != "" {
var err error
if tmpl, err = template.New("").Parse(*tmplStr); err != nil {
if tmpl, err = template.New("").Funcs(funcMap).Parse(*tmplStr); err != nil {
fmt.Fprintf(cli.err, "Template parsing error: %v\n", err)
return &utils.StatusError{StatusCode: 64,
Status: "Template parsing error: " + err.Error()}

13
docs/sources/reference/commandline/cli.rst
View file

@ -809,6 +809,19 @@ we ask for the ``HostPort`` field to get the public address.
$ sudo docker inspect -format='{{(index (index .NetworkSettings.Ports "8787/tcp") 0).HostPort}}' $INSTANCE_ID
Get config
..........
The ``.Field`` syntax doesn't work when the field contains JSON data,
but the template language's custom ``json`` function does. The ``.config``
section contains complex json object, so to grab it as JSON, you use ``json``
to convert config object into JSON
.. code-block:: bash
$ sudo docker inspect -format='{{json .config}}' $INSTANCE_ID
.. _cli_kill:
``kill``