PodResourceProfile

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PodResourceProfile

by jkremser 5 months ago

macOS ◆ xterm-256color ◆ zsh 72 views

Resource Profiles

k3d cluster create dyn-resources --no-lb --k3s-arg "--disable=traefik,servicelb@server:*" --k3s-arg "--kube-apiserver-arg=feature-gates=InPlacePodVerticalScaling=true@server:*"

k create deployment nginx --image=nginx
k patch deployments.apps nginx --type=json -p '[{"op":"replace","path":"/spec/template/spec/containers/0/imagePullPolicy","value":"IfNotPresent"}]'
k set resources deployment nginx --requests=memory=40Mi
k patch deployments.apps nginx --type=merge -p '{"spec":{"template": {"metadata":{"annotations": {"prp.kedify.io/reconcile": "enabled"}}}}}'

# verify the in-place patches on resources work (if not, make sure you have the InPlacePodVerticalScaling feature gate enabled)
k patch po $(k get po -lapp=nginx -ojsonpath="{.items[0].metadata.name}") --type=json -p '[{"op":"replace","path":"/spec/containers/0/resources/requests/memory","value":"45Mi"}]'

# create crd for it
k apply -f config/samples/keda_v1alpha1_podresourceprofile.yaml
k get prp
k get po -lapp=nginx -ojsonpath="{.items[*].spec.containers[?(.name=='nginx')].resources}" | jq

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You can download this recording in asciicast v2 format, as a .cast file.

Download

Replay in terminal

You can replay the downloaded recording in your terminal using the asciinema play command:

asciinema play 687523.cast

If you don't have asciinema CLI installed then see installation instructions.

Use with stand-alone player on your website

Download asciinema player from the releases page (you only need .js and .css file), then use it like this:

<!DOCTYPE html>
<html>
<head>
  <link rel="stylesheet" type="text/css" href="asciinema-player.css" />
</head>
<body>
  <div id="player"></div>
  <script src="asciinema-player.min.js"></script>
  <script>
    AsciinemaPlayer.create(
      '/assets/687523.cast',
      document.getElementById('player'),
      { cols: 230, rows: 59 }
    );
  </script>
</body>
</html>

See asciinema player quick-start guide for full usage instructions.

While this site doesn't provide GIF conversion at the moment, you can still do it yourself with the help of asciinema GIF generator utility - agg.

Once you have it installed, generate a GIF with the following command:

agg https://asciinema.org/a/687523 demo.gif

Or, if you already downloaded the recording file:

agg demo.cast demo.gif

Check agg --help for all available options. You can change font family and size, select color theme, adjust speed and more.

See agg manual for full usage instructions.