Kubectl

  • kubectl get pod -l LABEL_KEY=LABEL_VAL -o jsonpath="{.items[0].metadata.name}"

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      kubectl get pod \
  -n ${NAMESPACE} \
  -l app.kubernetes.io/instance=${CHART} \
  -o jsonpath="{.items[0].metadata.name}"

  • kubectl get pod -l LABEL_KEY=LABEL_VAL -o jsonpath="{.items[0].status.phase}"

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      function waitForChart() {
  CHART=$1
  while [ "$(kubectl get pod -n ${NAMESPACE} -l app.kubernetes.io/instance="${CHART}" | wc -l )" == "0" ] ||
      [ "$(kubectl get pod -n ${NAMESPACE} -l app.kubernetes.io/instance="${CHART}" -o jsonpath="{.items[0].status.phase}")" != "Running" ];
  do
    echo "Waiting for ${CHART} ..."
    sleep 2
  done
}

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    kubectl get events \
  -n ${NAMESPACE} \
  --sort-by=.metadata.creationTimestamp \
  --watch

Docker

  • docker ps -q -f ancestor=IMAGE:TAG - find container(s) id (-q) by IMAGE:TAG
  • docker image inspect -f '{{println "VOL =" .Config.Volumes}}{{println "ENV =" .Config.Env}}{{println "PORTS =" .ContainerConfig.ExposedPorts}}' IMAGE:TAG