[supervisor] add ssh tunnel metrics

[akosyakov]

Description

Summary generated by Copilot

🤖 Generated by Copilot at ce05a16

Add metrics for SSH tunneling in supervisor. The changes modify the supervisor, metrics, and ide-metrics components to define, track, and report the number of SSH tunnels opened and closed, and the reason for closing.

Related Issue(s)

Fixes #

How to test

• Start a workspace with VS Code Desktop, connect, do something, and then stop.
• Curl metrics on ide-metrics to see whether new metrics were registered.

Documentation

Preview status

Gitpod was successfully deployed to your preview environment.

• 🏷️ Name - ak-sup-ssh519b76c649
• 🔗 URL - ak-sup-ssh519b76c649.preview.gitpod-dev.com/workspaces.
• 📚 Documentation - See our internal documentation for information on how to interact with your preview environment.
• 📦 Version - ak-sup_ssh_tunnel_metrics-gha.17603
• 🗒️ Logs - GCP Logs Explorer

Build Options

Build

• /werft with-werft
  Run the build with werft instead of GHA
• leeway-no-cache
• /werft no-test
  Run Leeway with --dont-test

Publish

• /werft publish-to-npm
• /werft publish-to-jb-marketplace

Installer

• analytics=segment
• with-dedicated-emulation
• workspace-feature-flags
  Add desired feature flags to the end of the line above, space separated

Preview Environment / Integration Tests

• /werft with-local-preview
  If enabled this will build install/preview
• /werft with-preview
• /werft with-large-vm
• /werft with-gce-vm
  If enabled this will create the environment on GCE infra
• with-integration-tests=all
  Valid options are all, workspace, webapp, ide, jetbrains, vscode, ssh. If enabled, with-preview and with-large-vm will be enabled.
• with-monitoring

/hold

[geropl]

Code LGTM

[akosyakov]

/gh run recreate-vm=true

Comment triggered a workflow run

Started workflow run: 6303475703

• recreate_vm: true

[akosyakov]

Got it

Also added info about remote addr, user agent, duration of connection, and system resources on failure to logs.

[akosyakov]

/unhold