Openshiftnetwork

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OpenShiftNetwork.md

Miscellaneous OpenShift / Kubernetes Network Tricks

Get Ingress Router Logs

Namespace is openshift-ingress; router pods are router-default.


$ oc get pods -n openshift-ingress
NAME                                       READY   STATUS    RESTARTS   AGE
router-default-77d568d5-mngtx              2/2     Running   0          116d
router-default-77d568d5-rr25w              2/2     Running   0          116d
router-dmz-prod-app-7748b6976d-5glwd       2/2     Running   0          116d
router-dmz-prod-app-7748b6976d-x6hns       2/2     Running   0          116d
router-internal-prod-app-ff4bcdcc6-6cm9t   2/2     Running   0          116d
router-internal-prod-app-ff4bcdcc6-954ps   2/2     Running   0          116d
router-internal-prod-app-ff4bcdcc6-pgprj   2/2     Running   0          116d

This script saves the output of the logs to timestamped files.


#!/usr/bin/env bash

PODS=$(oc get pods -n openshift-ingress | grep router-default | cut -d" " -f1)
for POD in $PODS
do
    TIMESTAMP=$(date +"%Y%m%d-%T")
    # Dark Voodoo Bash magic
    OUT=LOG-${POD#${POD%?????}}."$TIMESTAMP"
    printf "Getting %s as %s &\n" "$POD" "$OUT" >&2
    oc logs -n openshift-ingress %s -c logs > %s &\n" "$POD" "$OUT
    OFILES+="$OUT "
done
wait
printf "Files in %s\n" "$OFILES"

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