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Add before and since filter to images 

Add support for two now filter on the `images` command : `before` and
`since`. They work the same as the one on the `ps` command but for
images.

        $ docker images --filter before=myimage
        # display all images older than myimage
        $ docker images --filter since=myimage
        # display all images younger than myimage

Signed-off-by: Vincent Demeester <vincent@sbr.pm>
This commit is contained in:
Vincent Demeester 2016-05-25 13:49:10 +02:00
Родитель 2a4b4a8133
Коммит 750e16f57c
Не найден ключ, соответствующий данной подписи
Идентификатор ключа GPG: 083CC6FD6EB699A3
9 изменённых файлов: 169 добавлений и 12 удалений
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12
contrib/completion/bash/docker
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@ -1104,6 +1104,11 @@ _docker_history() {
_docker_images() {
local key=$(__docker_map_key_of_current_option '--filter|-f')
case "$key" in
before)
cur="${cur##*=}"
__docker_complete_images
return
;;
dangling)
COMPREPLY=( $( compgen -W "false true" -- "${cur##*=}" ) )
return
@ -1111,11 +1116,16 @@ _docker_images() {
label)
return
;;
since)
cur="${cur##*=}"
__docker_complete_images
return
;;
esac
case "$prev" in
--filter|-f)
COMPREPLY=( $( compgen -S = -W "dangling label" -- "$cur" ) )
COMPREPLY=( $( compgen -S = -W "before dangling label since" -- "$cur" ) )
__docker_nospace
return
;;

5
contrib/completion/zsh/_docker
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@ -341,10 +341,13 @@ __docker_complete_images_filters() {
declare -a boolean_opts opts
boolean_opts=('true' 'false')
opts=('dangling' 'label')
opts=('before' 'dangling' 'label' 'since')
if compset -P '*='; then
case "${${words[-1]%=*}#*=}" in
(before|since)
__docker_images && ret=0
;;
(dangling)
_describe -t boolean-filter-opts "filter options" boolean_opts && ret=0
;;

31
daemon/images.go
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@ -15,6 +15,8 @@ import (
var acceptedImageFilterTags = map[string]bool{
"dangling": true,
"label": true,
"before": true,
"since": true,
}
// byCreated is a temporary type used to sort a list of images by creation
@ -63,6 +65,23 @@ func (daemon *Daemon) Images(filterArgs, filter string, all bool) ([]*types.Imag
allImages = daemon.imageStore.Map()
}
var beforeFilter, sinceFilter *image.Image
err = imageFilters.WalkValues("before", func(value string) error {
beforeFilter, err = daemon.GetImage(value)
return err
})
if err != nil {
return nil, err
}
err = imageFilters.WalkValues("since", func(value string) error {
sinceFilter, err = daemon.GetImage(value)
return err
})
if err != nil {
return nil, err
}
images := []*types.Image{}
var filterTagged bool
@ -76,6 +95,18 @@ func (daemon *Daemon) Images(filterArgs, filter string, all bool) ([]*types.Imag
}
for id, img := range allImages {
if beforeFilter != nil {
if img.Created.Equal(beforeFilter.Created) || img.Created.After(beforeFilter.Created) {
continue
}
}
if sinceFilter != nil {
if img.Created.Equal(sinceFilter.Created) || img.Created.Before(sinceFilter.Created) {
continue
}
}
if imageFilters.Include("label") {
// Very old image that do not have image.Config (or even labels)
if img.Config == nil {

6
daemon/list.go
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@ -75,12 +75,6 @@ type listContext struct {
// exitAllowed is a list of exit codes allowed to filter with
exitAllowed []int
// FIXME Remove this for 1.12 as --since and --before are deprecated
// beforeContainer is a filter to ignore containers that appear before the one given
beforeContainer *container.Container
// sinceContainer is a filter to stop the filtering when the iterator arrive to the given container
sinceContainer *container.Container
// beforeFilter is a filter to ignore containers that appear before the one given
// this is used for --filter=before= and --before=, the latter is deprecated.
beforeFilter *container.Container

1
docs/reference/api/docker_remote_api.md
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@ -121,6 +121,7 @@ This section lists each version from latest to oldest. Each listing includes a
* `GET /images/search` now takes a `filters` query parameter.
* `GET /events` now supports a `reload` event that is emitted when the daemon configuration is reloaded.
* `GET /events` now supports filtering by daemon name or ID.
* `GET /images/json` now supports filters `since` and `before`.
### v1.23 API changes

2
docs/reference/api/docker_remote_api_v1.24.md
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@ -1628,6 +1628,8 @@ Query Parameters:
- **filters** – a JSON encoded value of the filters (a map[string][]string) to process on the images list. Available filters:
- `dangling=true`
- `label=key` or `label="key=value"` of an image label
- `before`=(`<image-name>[:<tag>]`, `<image id>` or `<image@digest>`)
- `since`=(`<image-name>[:<tag>]`, `<image id>` or `<image@digest>`)
- **filter** - only return images with the specified name
### Build image from a Dockerfile

49
docs/reference/commandline/images.md
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@ -16,7 +16,11 @@ parent = "smn_cli"
-a, --all Show all images (default hides intermediate images)
--digests Show digests
-f, --filter=[] Filter output based on conditions provided
-f, --filter=[] Filter output based on these conditions:
- dangling=(true|false)
- label=<key> or label=<key>=<value>
- before=(<image-name>[:tag]|<image-id>|<image@digest>)
- since=(<image-name>[:tag]|<image-id>|<image@digest>)
--help Print usage
--no-trunc Don't truncate output
-q, --quiet Only show numeric IDs
@ -121,6 +125,8 @@ The currently supported filters are:
* dangling (boolean - true or false)
* label (`label=<key>` or `label=<key>=<value>`)
* before (`<image-name>[:<tag>]`, `<image id>` or `<image@digest>`) - filters images created before given id or references
* since (`<image-name>[:<tag>]`, `<image id>` or `<image@digest>`) - filters images created since given id or references
##### Untagged images (dangling)
@ -165,19 +171,56 @@ The following filter matches images with the `com.example.version` label regardl
REPOSITORY TAG IMAGE ID CREATED SIZE
match-me-1 latest eeae25ada2aa About a minute ago 188.3 MB
match-me-2 latest eeae25ada2aa About a minute ago 188.3 MB
match-me-2 latest dea752e4e117 About a minute ago 188.3 MB
The following filter matches images with the `com.example.version` label with the `1.0` value.
$ docker images --filter "label=com.example.version=1.0"
REPOSITORY TAG IMAGE ID CREATED SIZE
match-me latest eeae25ada2aa About a minute ago 188.3 MB
match-me latest 511136ea3c5a About a minute ago 188.3 MB
In this example, with the `0.1` value, it returns an empty set because no matches were found.
$ docker images --filter "label=com.example.version=0.1"
REPOSITORY TAG IMAGE ID CREATED SIZE
#### Before
The `before` filter shows only images created before the image with
given id or reference. For example, having these images:
$ docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
image1 latest eeae25ada2aa 4 minutes ago 188.3 MB
image2 latest dea752e4e117 9 minutes ago 188.3 MB
image3 latest 511136ea3c5a 25 minutes ago 188.3 MB
Filtering with `before` would give:
$ docker images --filter "before=image1"
REPOSITORY TAG IMAGE ID CREATED SIZE
image2 latest dea752e4e117 9 minutes ago 188.3 MB
image3 latest 511136ea3c5a 25 minutes ago 188.3 MB
#### Since
The `since` filter shows only images created after the image with
given id or reference. For example, having these images:
$ docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
image1 latest eeae25ada2aa 4 minutes ago 188.3 MB
image2 latest dea752e4e117 9 minutes ago 188.3 MB
image3 latest 511136ea3c5a 25 minutes ago 188.3 MB
Filtering with `since` would give:
$ docker images --filter "since=image3"
REPOSITORY TAG IMAGE ID CREATED SIZE
image1 latest eeae25ada2aa 4 minutes ago 188.3 MB
image2 latest dea752e4e117 9 minutes ago 188.3 MB
## Formatting
The formatting option (`--format`) will pretty print container output

69
integration-cli/docker_cli_images_test.go
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@ -121,6 +121,75 @@ func (s *DockerSuite) TestImagesFilterLabelWithCommit(c *check.C) {
c.Assert(out, check.Equals, imageID)
}
func (s *DockerSuite) TestImagesFilterSinceAndBefore(c *check.C) {
imageID1, err := buildImage("image:1", `FROM `+minimalBaseImage()+`
LABEL number=1`, true)
c.Assert(err, checker.IsNil)
imageID2, err := buildImage("image:2", `FROM `+minimalBaseImage()+`
LABEL number=2`, true)
c.Assert(err, checker.IsNil)
imageID3, err := buildImage("image:3", `FROM `+minimalBaseImage()+`
LABEL number=3`, true)
c.Assert(err, checker.IsNil)
expected := []string{imageID3, imageID2}
out, _ := dockerCmd(c, "images", "-f", "since=image:1", "image")
c.Assert(assertImageList(out, expected), checker.Equals, true, check.Commentf("SINCE filter: Image list is not in the correct order: %v\n%s", expected, out))
out, _ = dockerCmd(c, "images", "-f", "since="+imageID1, "image")
c.Assert(assertImageList(out, expected), checker.Equals, true, check.Commentf("SINCE filter: Image list is not in the correct order: %v\n%s", expected, out))
expected = []string{imageID3}
out, _ = dockerCmd(c, "images", "-f", "since=image:2", "image")
c.Assert(assertImageList(out, expected), checker.Equals, true, check.Commentf("SINCE filter: Image list is not in the correct order: %v\n%s", expected, out))
out, _ = dockerCmd(c, "images", "-f", "since="+imageID2, "image")
c.Assert(assertImageList(out, expected), checker.Equals, true, check.Commentf("SINCE filter: Image list is not in the correct order: %v\n%s", expected, out))
expected = []string{imageID2, imageID1}
out, _ = dockerCmd(c, "images", "-f", "before=image:3", "image")
c.Assert(assertImageList(out, expected), checker.Equals, true, check.Commentf("BEFORE filter: Image list is not in the correct order: %v\n%s", expected, out))
out, _ = dockerCmd(c, "images", "-f", "before="+imageID3, "image")
c.Assert(assertImageList(out, expected), checker.Equals, true, check.Commentf("BEFORE filter: Image list is not in the correct order: %v\n%s", expected, out))
expected = []string{imageID1}
out, _ = dockerCmd(c, "images", "-f", "before=image:2", "image")
c.Assert(assertImageList(out, expected), checker.Equals, true, check.Commentf("BEFORE filter: Image list is not in the correct order: %v\n%s", expected, out))
out, _ = dockerCmd(c, "images", "-f", "before="+imageID2, "image")
c.Assert(assertImageList(out, expected), checker.Equals, true, check.Commentf("BEFORE filter: Image list is not in the correct order: %v\n%s", expected, out))
}
func assertImageList(out string, expected []string) bool {
lines := strings.Split(strings.Trim(out, "\n "), "\n")
if len(lines)-1 != len(expected) {
return false
}
imageIDIndex := strings.Index(lines[0], "IMAGE ID")
for i := 0; i < len(expected); i++ {
imageID := lines[i+1][imageIDIndex : imageIDIndex+12]
found := false
for _, e := range expected {
if imageID == e[7:19] {
found = true
break
}
}
if !found {
return false
}
}
return true
}
func (s *DockerSuite) TestImagesFilterSpaceTrimCase(c *check.C) {
testRequires(c, DaemonIsLinux)
imageName := "images_filter_test"

6
man/docker-images.1.md
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@ -38,7 +38,11 @@ versions.
Show image digests. The default is *false*.
**-f**, **--filter**=[]
Filters the output. The dangling=true filter finds unused images. While label=com.foo=amd64 filters for images with a com.foo value of amd64. The label=com.foo filter finds images with the label com.foo of any value.
Filters the output based on these conditions:
- dangling=(true|false) - finds unused images.
- label=<key> or label=<key>=<value>
- before=(<image-name>[:tag]|<image-id>|<image@digest>)
- since=(<image-name>[:tag]|<image-id>|<image@digest>)
**--format**="*TEMPLATE*"
Pretty-print containers using a Go template.