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[BUG] docker-compose ps --format json #11784

Closed as not planned
Closed as not planned

Description

@siamskoi

Description

When I run the "docker compose ps --format json" command, I get an incorrect json output - I have to write third-party parsers to use it, it's inconvenient. Specifically, there is no common array, and there are no commas after each element.

test-docker-json-ps docker compose ps --format json                
{"Command":"\"docker-entrypoint.s…\"","CreatedAt":"2024-05-02 12:21:53 +0400 +04","ExitCode":0,"Health":"","ID":"d2763e024a10","Image":"redis:latest","Labels":"com.docker.compose.container-number=1,com.docker.compose.depends_on=,com.docker.compose.version=2.26.1,com.docker.compose.project.working_dir=/Users/user/PhpProjects/tests/test-docker-json-ps,com.docker.compose.service=db,com.docker.compose.config-hash=1d46387138917e3b72ec38f9e06d9a31620ae8632d165d557e9de1dfe8ac0e37,com.docker.compose.image=sha256:dc1103822fa306062ff7528afee092c01d475c98e6042b6790d499c1271426cc,com.docker.compose.oneoff=False,com.docker.compose.project=test-docker-json-ps,com.docker.compose.project.config_files=/Users/user/PhpProjects/tests/test-docker-json-ps/docker-compose.yml","LocalVolumes":"1","Mounts":"ae6fbf221bbbee…","Name":"test-docker-json-ps-db-1","Names":"test-docker-json-ps-db-1","Networks":"test-docker-json-ps_default","Ports":"6379/tcp","Project":"test-docker-json-ps","Publishers":[{"URL":"","TargetPort":6379,"PublishedPort":0,"Protocol":"tcp"}],"RunningFor":"12 seconds ago","Service":"db","Size":"0B","State":"running","Status":"Up 11 seconds"}
{"Command":"\"/docker-entrypoint.…\"","CreatedAt":"2024-05-02 12:21:53 +0400 +04","ExitCode":0,"Health":"","ID":"83ea0d77a30a","Image":"nginx:latest","Labels":"com.docker.compose.container-number=1,com.docker.compose.image=sha256:786a14303c96017fa81cc9756e01811a67bfabba40e5624f453ff2981e501db0,com.docker.compose.project=test-docker-json-ps,com.docker.compose.project.config_files=/Users/user/PhpProjects/tests/test-docker-json-ps/docker-compose.yml,com.docker.compose.version=2.26.1,maintainer=NGINX Docker Maintainers \u003cdocker-maint@nginx.com\u003e,com.docker.compose.config-hash=d1485a37cd4c574c92e2849f6412ef406082df7fddab1b8f3e8b7385dc4d3d8f,com.docker.compose.depends_on=,com.docker.compose.oneoff=False,com.docker.compose.project.working_dir=/Users/user/PhpProjects/tests/test-docker-json-ps,com.docker.compose.service=web","LocalVolumes":"0","Mounts":"","Name":"test-docker-json-ps-web-1","Names":"test-docker-json-ps-web-1","Networks":"test-docker-json-ps_default","Ports":"80/tcp","Project":"test-docker-json-ps","Publishers":[{"URL":"","TargetPort":80,"PublishedPort":0,"Protocol":"tcp"}],"RunningFor":"12 seconds ago","Service":"web","Size":"0B","State":"running","Status":"Up 11 seconds"}

I think output should be:

[
{"Command":"\"docker-entrypoint.s…\"","CreatedAt":"2024-05-02 12:21:53 +0400 +04","ExitCode":0,"Health":"","ID":"d2763e024a10","Image":"redis:latest","Labels":"com.docker.compose.container-number=1,com.docker.compose.depends_on=,com.docker.compose.version=2.26.1,com.docker.compose.project.working_dir=/Users/user/PhpProjects/tests/test-docker-json-ps,com.docker.compose.service=db,com.docker.compose.config-hash=1d46387138917e3b72ec38f9e06d9a31620ae8632d165d557e9de1dfe8ac0e37,com.docker.compose.image=sha256:dc1103822fa306062ff7528afee092c01d475c98e6042b6790d499c1271426cc,com.docker.compose.oneoff=False,com.docker.compose.project=test-docker-json-ps,com.docker.compose.project.config_files=/Users/user/PhpProjects/tests/test-docker-json-ps/docker-compose.yml","LocalVolumes":"1","Mounts":"ae6fbf221bbbee…","Name":"test-docker-json-ps-db-1","Names":"test-docker-json-ps-db-1","Networks":"test-docker-json-ps_default","Ports":"6379/tcp","Project":"test-docker-json-ps","Publishers":[{"URL":"","TargetPort":6379,"PublishedPort":0,"Protocol":"tcp"}],"RunningFor":"12 seconds ago","Service":"db","Size":"0B","State":"running","Status":"Up 11 seconds"},
{"Command":"\"/docker-entrypoint.…\"","CreatedAt":"2024-05-02 12:21:53 +0400 +04","ExitCode":0,"Health":"","ID":"83ea0d77a30a","Image":"nginx:latest","Labels":"com.docker.compose.container-number=1,com.docker.compose.image=sha256:786a14303c96017fa81cc9756e01811a67bfabba40e5624f453ff2981e501db0,com.docker.compose.project=test-docker-json-ps,com.docker.compose.project.config_files=/Users/user/PhpProjects/tests/test-docker-json-ps/docker-compose.yml,com.docker.compose.version=2.26.1,maintainer=NGINX Docker Maintainers \u003cdocker-maint@nginx.com\u003e,com.docker.compose.config-hash=d1485a37cd4c574c92e2849f6412ef406082df7fddab1b8f3e8b7385dc4d3d8f,com.docker.compose.depends_on=,com.docker.compose.oneoff=False,com.docker.compose.project.working_dir=/Users/user/PhpProjects/tests/test-docker-json-ps,com.docker.compose.service=web","LocalVolumes":"0","Mounts":"","Name":"test-docker-json-ps-web-1","Names":"test-docker-json-ps-web-1","Networks":"test-docker-json-ps_default","Ports":"80/tcp","Project":"test-docker-json-ps","Publishers":[{"URL":"","TargetPort":80,"PublishedPort":0,"Protocol":"tcp"}],"RunningFor":"12 seconds ago","Service":"web","Size":"0B","State":"running","Status":"Up 11 seconds"}
]

Steps To Reproduce

  1. docker-compose ps --format json

Compose Version

Docker Compose version v2.26.1-desktop.1

Docker Environment

Client:
 Context:    desktop-linux
 Debug Mode: false
 Plugins:
  buildx: Docker Buildx (Docker Inc., v0.13.1-desktop.1)
  compose: Docker Compose (Docker Inc., v2.26.1-desktop.1)
  debug: Get a shell into any image or container. (Docker Inc., 0.0.27)
  dev: Docker Dev Environments (Docker Inc., v0.1.2)
  extension: Manages Docker extensions (Docker Inc., v0.2.23)
  feedback: Provide feedback, right in your terminal! (Docker Inc., v1.0.4)
  init: Creates Docker-related starter files for your project (Docker Inc., v1.1.0)
  sbom: View the packaged-based Software Bill Of Materials (SBOM) for an image (Anchore Inc., 0.6.0)
  scout: Docker Scout (Docker Inc., v1.6.3)
WARNING: Plugin "/Users/user/.docker/cli-plugins/docker-scan" is not valid: failed to fetch metadata: fork/exec /Users/user/.docker/cli-plugins/docker-scan: no such file or directory

Server:
 Containers: 49
  Running: 37
  Paused: 0
  Stopped: 12
 Images: 219
 Server Version: 26.0.0
 Storage Driver: overlay2
  Backing Filesystem: extfs
  Supports d_type: true
  Using metacopy: false
  Native Overlay Diff: true
  userxattr: false
 Logging Driver: json-file
 Cgroup Driver: cgroupfs
 Cgroup Version: 2
 Plugins:
  Volume: local
  Network: bridge host ipvlan macvlan null overlay
  Log: awslogs fluentd gcplogs gelf journald json-file local splunk syslog
 Swarm: inactive
 Runtimes: io.containerd.runc.v2 runc
 Default Runtime: runc
 Init Binary: docker-init
 containerd version: ae07eda36dd25f8a1b98dfbf587313b99c0190bb
 runc version: v1.1.12-0-g51d5e94
 init version: de40ad0
 Security Options:
  seccomp
   Profile: unconfined
  cgroupns
 Kernel Version: 6.6.22-linuxkit
 Operating System: Docker Desktop
 OSType: linux
 Architecture: aarch64
 CPUs: 10
 Total Memory: 9.708GiB
 Name: docker-desktop
 ID: 150a90b0-9001-49c6-90ad-554e9c6cf7de
 Docker Root Dir: /var/lib/docker
 Debug Mode: false
 HTTP Proxy: http.docker.internal:3128
 HTTPS Proxy: http.docker.internal:3128
 No Proxy: hubproxy.docker.internal
 Registry: https://index.docker.io/v1/
 Labels:
  com.docker.desktop.address=unix:///Users/user/Library/Containers/com.docker.docker/Data/docker-cli.sock
 Experimental: true
 Insecure Registries:
  hubproxy.docker.internal:5555
  127.0.0.0/8
 Live Restore Enabled: false

WARNING: You're not using the default seccomp profile
WARNING: daemon is not using the default seccomp profile

Anything else?

No response

Activity

  1. arankeparth commented on May 2, 2024

    @arankeparth

    @siamskoi We could process this on buffer level: each object denotes a separate line, so we could read a line from buffer, add commas and finally add square brackets.
    pr for the same: docker/cli#5052

  2. sfc-gh-kbregula commented on Sep 15, 2024

    @sfc-gh-kbregula

    @ndeloof I think this is already fixed in docker compose v2.

  3. ndeloof commented on Sep 16, 2024

    @ndeloof
    Contributor

    --format json produces a newline delimited JSON stream, just like docker ps --format json does.
    This is intentional. Most JSON parser (typically, jq command) will manage this format without pain.

    I'm closing this issue as "not planned"

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