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Collect OCP logs all pods in a namespace and some pod information
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| #!/bin/env bash | |
| ######################################################################################################################### | |
| ## Tail all logs of all pods in a namespace to a directory | |
| ## | |
| ## Parameters: <ns> --> Namespace which pods are logged | |
| ## <outDir> --> targetDirectory for the logoutput. Defaults to /tmp | |
| ######################################################################################################################### | |
| set -o pipefail | |
| NS=${1?"missing arg 1 for Namespace"} | |
| OUTDIR=${2:-/tmp} | |
| __check () | |
| { | |
| ## | |
| ## Are we logged in? | |
| echo "Running on cluster: $(oc whoami --show-server)" | |
| __token=$(oc whoami -t) | |
| if [ -z "${__token}" ] ; then | |
| echo "ERROR: No login token found. Please login first ..." | |
| exit 1 | |
| fi | |
| ## | |
| ## Can we get pods? | |
| oc -n ${NS} get pods 2>&1 > /dev/null | |
| __rc=$? | |
| if [[ ${__rc} != 0 ]] ; then | |
| echo "ERROR: Can't get pods. Either the token is expired or you are lacking permissions to get pod information ..." | |
| exit 1 | |
| fi | |
| ## | |
| ## DO we have pods at all | |
| __numPods=$(oc -n ${NS} get pods -o custom-columns=NAME:.metadata.name | tail -n +2 | wc -l) | |
| __rc=$? | |
| if [[ ${__numPods} == 0 ]] ; then | |
| echo "ERROR: No pods in namespace \"${NS}\". Either the namespace is incorrect or there are no pods to monitor ..." | |
| exit 1 | |
| fi | |
| ## | |
| ## Looks like we get pod information | |
| mkdir -p ${OUTDIR} || { | |
| echo "ERROR: Failed to create output directory \"${OUTDIR}\" ..." | |
| exit 1 | |
| } | |
| ## | |
| ## Do we have write permissions to $OUTDIR | |
| if [[ ! -w ${OUTDIR} ]] ; then | |
| echo "ERROR: Can't write to directory \"${OUTDIR}\" ..." | |
| exit 1 | |
| fi | |
| } | |
| ## | |
| ## Perform some checks | |
| __check | |
| __currentTime=$(date +"%Y%m%d_%H%M%S") | |
| ## | |
| ## Process list of pods | |
| oc -n ${NS} get pods -o custom-columns=NAME:.metadata.name | tail -n +2 | while read line ; do | |
| echo "INFO: Processing pod \"${line}\" ..." | |
| oc -n ${NS} describe pod ${line} 2>&1 > ${OUTDIR}/${line}_${__currentTime}.describe | |
| oc -n ${NS} get pod ${line} -o yaml 2>&1 > ${OUTDIR}/${line}_${__currentTime}.yaml | |
| oc -n ${NS} logs ${line} --follow=true --all-containers=true --timestamps=true --ignore-errors=true 2>&1 > ${OUTDIR}/${line}_${__currentTime}.log & | |
| done | |
| echo "Started capture of POD logs to directory ${OUTDIR} ..." | |
| exit 0 |
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