[loadgen] Resubscribe, log ids of stopped workspaces, change port visibility

[WVerlaek]

Description

Some loadgen improvements:

• Add workspace tasks to exercise some load on changing port visibility
• In executor.go, resubscribe to ws-manager if the connection closes (e.g. on restarting ws-manager-mk2)
• Log IDs of workspaces that stopped early

Related Issue(s)

Related to WKS-20

How to test

Tested in a load test

Release Notes

NONE

Documentation

Build Options:

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

Publish Options

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

Installer Options

• with-dedicated-emulation
• with-ws-manager-mk2
• workspace-feature-flags
  Add desired feature flags to the end of the line above, space separated

Preview Environment Options:

• /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

[kylos101]

Add workspace tasks to exercise some load on changing port visibility

💪 awesome, @WVerlaek !!!