feat: adds docker swarm support to docker-containers widget

[kuhree]

I wanted to see docker swarm support (#403) so this is my attempt at that. I ended up just reusing the docker-containers widget with a mode property to switch between the two.

The config looks like this:

  - type: docker-containers
    mode: "swarm"

The result looks like this:
(left = mode: "standalone", right = mode: "swarm")

Docker Container for testing: ghcr.io/kuhree/glance:pr-517

Happy to make changes or adjustments.

[mortonpd]

Hello, thanks for working on this.

I am seeing an issue with service status showing shutdown when the service is running and using child/parent services.

View in glance:

View in portainer:

[kuhree]

I tried updating the task sorting to fix this. Not 100% sure it'll work but you can try the updated image ghcr.io/kuhree/glance:pr-517.

If it still doesn't work, could you run this script on a manager node and paste it into a pastebin or something? Feel free to redact any PII.

From your screenshot, you should be able to run something like /path/to/query.sh arris-stats_influxdb to get the info.

Then, I can mock it up locally and figure out what went wrong.

[mortonpd]

Issue remains after task sorting update.

information from query.sh:

https://pastebin.com/GqntZ7wH

In a swarm I don't think the Created and Updated timestamps are a reliable way of determining whether a service is healthy or degraded. It would depend more on the scheduling mode of the service:

• Replicated: The replicas number should match the number of 'running' tasks.
• Global: The number should equal the number of 'active' nodes in a swarm.

[kuhree]

Ahh that makes sense. I'll give that a shot.

[kuhree]

New image available. I definitely agree that the scheduling is the way to go.