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[BUG] config --hash return incorrect hash value for containers with depends_on #10907

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papegaaij opened this issue Aug 17, 2023 · 0 comments · Fixed by #11010
Closed

[BUG] config --hash return incorrect hash value for containers with depends_on #10907

papegaaij opened this issue Aug 17, 2023 · 0 comments · Fixed by #11010

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@papegaaij
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Description

The hash computed by docker compose config --hash service does not match the hash that is actually used when creating the container. In our setup we compare the hash generated by config --hash with the hash set on the container to detect if its config is stale. This used to work fine until compose 2.19. docker compose up -d does not recreate the container, but the value of the label does not match the value computed by config --hash.

Steps To Reproduce

Use the following docker-compose.yml:

version: '2'
services:
  test-container:
    container_name: "test-container"
    image: "redis:alpine"
  test-container-2:
    depends_on: ["test-container"]
    container_name: "test-container-2"
    image: "redis:alpine"

Run the following commands and observe the different values:

docker compose up -d
docker compose config --hash test-container-2
docker inspect test-container-2 -f '{{index .Config.Labels "com.docker.compose.config-hash"}}'

Compose Version

Docker Compose version v2.19.1

Docker Environment

Client: Docker Engine - Community
 Version:    24.0.5
 Context:    default
 Debug Mode: false
 Plugins:
  buildx: Docker Buildx (Docker Inc.)
    Version:  v0.11.2
    Path:     /usr/libexec/docker/cli-plugins/docker-buildx
  compose: Docker Compose (Docker Inc.)
    Version:  v2.19.1
    Path:     /usr/local/libexec/docker/cli-plugins/docker-compose

Server:
 Containers: 9
  Running: 9
  Paused: 0
  Stopped: 0
 Images: 9
 Server Version: 24.0.5
 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: 1
 Plugins:
  Volume: local
  Network: bridge host ipvlan macvlan null overlay
  Log: awslogs fluentd gcplogs gelf journald json-file local logentries splunk syslog
 Swarm: inactive
 Runtimes: io.containerd.runc.v2 runc
 Default Runtime: runc
 Init Binary: docker-init
 containerd version: 8165feabfdfe38c65b599c4993d227328c231fca
 runc version: v1.1.8-0-g82f18fe
 init version: de40ad0
 Security Options:
  seccomp
   Profile: builtin
 Kernel Version: 4.18.0-477.21.1.el8_8.x86_64
 Operating System: AlmaLinux 8.8 (Sapphire Caracal)
 OSType: linux
 Architecture: x86_64
 CPUs: 2
 Total Memory: 6.783GiB
 Name: tkh-server1.keyhub-test-nw
 ID: da84eca3-73fd-42ea-9e3c-d56aa94d8c4f
 Docker Root Dir: /var/lib/docker
 Debug Mode: false
 Experimental: false
 Insecure Registries:
  127.0.0.0/8
 Live Restore Enabled: true

Anything else?

No response

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