charts/tools/gate/gather-pod-logs.sh

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#!/bin/bash
set -x
export PARALLELISM_FACTOR=2
function get_namespaces {
kubectl get namespaces -o name | awk -F '/' '{ print $NF }'
}
function get_pods () {
NAMESPACE=$1
kubectl get pods -n ${NAMESPACE} -o name | awk -F '/' '{ print $NF }' | xargs -L1 -P${PARALLELISM_FACTOR} -I {} echo ${NAMESPACE} {}
}
export -f get_pods
function get_pod_logs () {
NAMESPACE=${1% *}
POD=${1#* }
INIT_CONTAINERS=$(kubectl get pod $POD -n ${NAMESPACE} -o json | jq -r '.spec.initContainers[]?.name')
CONTAINERS=$(kubectl get pod $POD -n ${NAMESPACE} -o json | jq -r '.spec.containers[].name')
for CONTAINER in ${INIT_CONTAINERS} ${CONTAINERS}; do
echo "${NAMESPACE}/${POD}/${CONTAINER}"
mkdir -p "${LOGDIR}/pod-logs/${NAMESPACE}/${POD}"
kubectl logs ${POD} -n ${NAMESPACE} -c ${CONTAINER} > "${LOGDIR}/pod-logs/${NAMESPACE}/${POD}/${CONTAINER}.txt"
done
}
export -f get_pod_logs
get_namespaces | \
xargs -r -n 1 -P ${PARALLELISM_FACTOR} -I {} bash -c 'get_pods "$@"' _ {} | \
xargs -r -n 2 -P ${PARALLELISM_FACTOR} -I {} bash -c 'get_pod_logs "$@"' _ {}