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TestDockerPluginSuite/TestPluginInstallImage test fails on Fedora 36 #43996

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TestDockerPluginSuite/TestPluginInstallImage test fails on Fedora 36#43996
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area/pluginsarea/testingkind/bugBugs are bugs. The cause may or may not be known at triage time so debugging may be needed.
@Snorch

Description

@Snorch
Snorch
opened on Aug 19, 2022

Description

When I run TestDockerPluginSuite/TestPluginInstallImage test case on my Fedora 36 I see it failing:

docker_cli_plugins_test.go:232: assertion failed: expression is false: strings.Contains(out, `Encountered remote "application/vnd.docker.container.image.v1+json"(image) when fetching`)

Reproduce

On Fedora 36:

cat /etc/fedora-release
Fedora release 36 (Thirty Six)

With latest docker release:

docker --version
Docker version 20.10.17, build 100c701

Cloned latest release(beta) tag:

git describe HEAD
v22.06.0-beta.0-337-gd082bbcc05

Make docker build container:

make BIND_DIR=. shell

Run test:

hack/make.sh binary install-binary
dockerd -D &> docker.log &
TESTFLAGS='-test.run TestDockerPluginSuite/TestPluginInstallImage' hack/make.sh dynbinary test-integration

Result:

=== Failed
=== FAIL: amd64.integration-cli TestDockerPluginSuite/TestPluginInstallImage (1.19s)
time="2022-08-19T11:16:17Z" level=warning msg="reference for unknown type: application/vnd.docker.plugin.v1+json"
time="2022-08-19T11:16:17Z" level=warning msg="reference for unknown type: application/vnd.docker.plugin.v1+json" digest="sha256:1c153e94a4eb9475e449a68c715423334f084673cdeab0b0870592e6c04c5573" mediatype=application/vnd.docker.plugin.v1+json size=522
time="2022-08-19T11:16:17Z" level=warning msg="reference for unknown type: application/vnd.docker.plugin.v1+json"
time="2022-08-19T11:16:17Z" level=warning msg="reference for unknown type: application/vnd.docker.plugin.v1+json" digest="sha256:1c153e94a4eb9475e449a68c715423334f084673cdeab0b0870592e6c04c5573" mediatype=application/vnd.docker.plugin.v1+json size=522
    docker_cli_plugins_test.go:232: assertion failed: expression is false: strings.Contains(out, `Encountered remote "application/vnd.docker.container.image.v1+json"(image) when fetching`)
    --- FAIL: TestDockerPluginSuite/TestPluginInstallImage (1.19s)

=== FAIL: amd64.integration-cli TestDockerPluginSuite (1.20s)

DONE 2 tests, 2 failures in 1.254s
---> Making bundle: .integration-daemon-stop (in bundles/test-integration)
Removing test suite binaries
exiting test-integration
++ exit 1

Expected behavior

Test should PASS.

docker version

Client: Docker Engine - Community
 Version:           20.10.17
 API version:       1.41
 Go version:        go1.17.11
 Git commit:        100c701
 Built:             Mon Jun  6 23:03:59 2022
 OS/Arch:           linux/amd64
 Context:           default
 Experimental:      true

Server: Docker Engine - Community
 Engine:
  Version:          20.10.17
  API version:      1.41 (minimum version 1.12)
  Go version:       go1.17.11
  Git commit:       a89b842
  Built:            Mon Jun  6 23:01:39 2022
  OS/Arch:          linux/amd64
  Experimental:     false
 containerd:
  Version:          1.6.7
  GitCommit:        0197261a30bf81f1ee8e6a4dd2dea0ef95d67ccb
 runc:
  Version:          1.1.3
  GitCommit:        v1.1.3-0-g6724737
 docker-init:
  Version:          0.19.0
  GitCommit:        de40ad0

docker info

Client:
 Context:    default
 Debug Mode: false
 Plugins:
  app: Docker App (Docker Inc., v0.9.1-beta3)
  buildx: Docker Buildx (Docker Inc., v0.8.2-docker)
  compose: Docker Compose (Docker Inc., v2.6.0)
  scan: Docker Scan (Docker Inc., v0.17.0)

Server:
 Containers: 1
  Running: 1
  Paused: 0
  Stopped: 0
 Images: 29
 Server Version: 20.10.17
 Storage Driver: devicemapper
  Pool Name: docker-0:50-6941128-pool
  Pool Blocksize: 65.54kB
  Base Device Size: 10.74GB
  Backing Filesystem: xfs
  Udev Sync Supported: true
  Data file: /dev/loop0
  Metadata file: /dev/loop1
  Data loop file: /var/lib/docker/devicemapper/devicemapper/data
  Metadata loop file: /var/lib/docker/devicemapper/devicemapper/metadata
  Data Space Used: 26.63GB
  Data Space Total: 107.4GB
  Data Space Available: 80.74GB
  Metadata Space Used: 66.7MB
  Metadata Space Total: 2.147GB
  Metadata Space Available: 2.081GB
  Thin Pool Minimum Free Space: 10.74GB
  Deferred Removal Enabled: true
  Deferred Deletion Enabled: true
  Deferred Deleted Device Count: 4
  Library Version: 1.02.175 (2021-01-08)
 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: active
  NodeID: q4k02uop382k4zroyp6xpo4wh
  Is Manager: true
  ClusterID: lktxprzxuhkxyw1awbrawkt1m
  Managers: 1
  Nodes: 1
  Default Address Pool: 10.0.0.0/8  
  SubnetSize: 24
  Data Path Port: 4789
  Orchestration:
   Task History Retention Limit: 5
  Raft:
   Snapshot Interval: 10000
   Number of Old Snapshots to Retain: 0
   Heartbeat Tick: 1
   Election Tick: 10
  Dispatcher:
   Heartbeat Period: 5 seconds
  CA Configuration:
   Expiry Duration: 3 months
   Force Rotate: 0
  Autolock Managers: false
  Root Rotation In Progress: false
  Node Address: 192.168.1.104
  Manager Addresses:
   192.168.1.104:2377
 Runtimes: io.containerd.runc.v2 io.containerd.runtime.v1.linux runc
 Default Runtime: runc
 Init Binary: docker-init
 containerd version: 0197261a30bf81f1ee8e6a4dd2dea0ef95d67ccb
 runc version: v1.1.3-0-g6724737
 init version: de40ad0
 Security Options:
  seccomp
   Profile: default
 Kernel Version: 5.18.16-200.fc36.x86_64
 Operating System: Fedora Linux 36 (Workstation Edition)
 OSType: linux
 Architecture: x86_64
 CPUs: 8
 Total Memory: 15.29GiB
 Name: turmoil
 ID: TF4B:EBNF:DBYL:2UEG:CBLQ:HUG6:SGY5:F5NK:K65E:BCXC:GOS3:AAXV
 Docker Root Dir: /var/lib/docker
 Debug Mode: false
 Registry: https://index.docker.io/v1/
 Labels:
 Experimental: false
 Insecure Registries:
  127.0.0.0/8
 Live Restore Enabled: false

WARNING: the devicemapper storage-driver is deprecated, and will be removed in a future release.
WARNING: devicemapper: usage of loopback devices is strongly discouraged for production use.
         Use `--storage-opt dm.thinpooldev` to specify a custom block storage device.

Additional Info

  1. We run same test in Virtuozzo containers and it fails the same.

  2. If I patch the code like this:

diff --git a/integration-cli/docker_cli_plugins_test.go b/integration-cli/docker_cli_plugins_test.go
index 8e6912fd1c..fd93db0399 100644
--- a/integration-cli/docker_cli_plugins_test.go
+++ b/integration-cli/docker_cli_plugins_test.go
@@ -228,6 +228,7 @@ func (ps *DockerPluginSuite) TestPluginInstallImage(c *testing.T) {
        dockerCmd(c, "push", repoName)
        
        out, _, err := dockerCmdWithError("plugin", "install", repoName)
+       fmt.Println("out:", out)
        assert.ErrorContains(c, err, "")
        assert.Assert(c, strings.Contains(out, `Encountered remote "application/vnd.docker.container.image.v1+json"(image) when fetching`))
 }

I manage to see out, it may be also useful:

out: Error response from daemon: application/vnd.docker.distribution.manifest.v1+prettyjws not supported

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