View for all tasks in all allocations about wander HOT 6 CLOSED

@viniciusartur awesome, I think that gives me enough to go off of:

• A from jobs page will show all tasks (default all namespaces, but only the configured namespace if configured)
• color the task rows based on status
• press v to view events filtered to that task allocation
• press enter to view logs for the task
• press e to exec in to the task, p for allocation's spec, etc (same other commands as current allocations page)
• returning from logs/spec/exec/events brings you back to all tasks, not the tasks for just the job

RE: headless mode, making some progress on #84, will likely be included in next release within the next few weeks. Might not get all tasks view in that release but we'll see

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Something like this

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It worked well, thanks! Great big picture of the cluster!

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@viniciusartur, question for you - this is the current flow of wander:

The red box is this new feature. I'm thinking capital-A from the Jobs page will bring you to a view much like the Allocations For Job page, but showing all allocations (and all their tasks) across all jobs instead.

Do you think there should be navigation possible from the All Allocations page, e.g. if you press enter, you go to the Task Logs, or maybe to the Allocations for Job page (for that task's Job)?

Additionally, wherever you go, where should hitting Escape take you back to - the All Allocations page?

Interested in your thoughts as a user! I'm undecided.

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As an user of k9s, my setup for managing a k8s across 3 environments (test, stage and prod) was having a window in Tilix with 3 terminals opened running k9s --headless in the view that shows all pods in all namespaces.
From that point, what was useful for me was checking logs, which can be done by pressing l.
Besides that, when a pod was not healthy it would show the red color, which was very useful to spot when something was wrong.
As an example in the attached screenshot, I'm running k3s and having the same env spread in 3 terminals like I just explained:

Regarding wander / Nomad, I would say that checking the events is also very important, so if there was a way to from all tasks, some pending tasks, then click on something and see all events, that would be awesome.
It would make sense by clicking on ESC, it would go back to the list of All allocations. It's also like this in k9s.
I think you should give a try on spinning up a k3s and using k9s to compare how's the navigation of this all pods feature, so it may give you some hints as well.

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Released in v0.10.0, let me know how it goes :)

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