Kubernetes tools

alllogs.sh

#!/bin/bash
# Script to
# Relies on non-standard programs - ts(moreutils)
set -eux -o pipefail


labels="${1:-}"

if [[ $labels = "-h" ]] || [[ $labels = "--help" ]]
then
  set +x
  echo "Usage: $0 [labels]"
  echo "See https://kubernetes.io/docs/concepts/overview/working-with-objects/labels/#label-selectors"
  echo "for information on how to craft a label selector"
  exit 0
fi

# Kill all our tails when we're done
trap 'kill $(jobs -p) $$' EXIT

pods="$(kubectl get pods -o name -l "${labels}")"
for pod in $pods
do
  kubectl logs -f "$pod" | ts "%H:%M:%S $pod:"&
done

wait

pod.jsonnet

{
  "apiVersion": "v1",
  "kind": "Pod",
  "metadata": {
    "annotations": {
    },
    "labels": {
      # Fill Me
    },
    "name": "FILLME",
    "namespace": "default",
  },
  "spec": {
/*
    "affinity": {
      "podAntiAffinity": {
        "requiredDuringSchedulingIgnoredDuringExecution": [
          {
            "labelSelector": {
              "matchExpressions": [
                {
                  "key": "run",
                  "operator": "In",
                  "values": [
                    "CHANGEME"
                  ]
                }
              ]
            },
            "topologyKey": "kubernetes.io/hostname"
          }
        ]
      }
    },
*/
    "containers": [
      {
        "args": [
          "while true; do sleep 100000; done\n"
        ],
        "command": [
          "bash",
          "-c"
        ],
        "image": "IMAGENAME",
        "imagePullPolicy": "Always",
        "name": "NAME",
        "resources": {},
        "terminationMessagePath": "/dev/termination-log",
        "terminationMessagePolicy": "File",
      }
    ],
    "restartPolicy": "Always",
    "terminationGracePeriodSeconds": 30,
  },
}