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#!/usr/bin/env bash
# Checks if netdata is running in a kubernetes pod and fetches that pod's labels
if [ -n "${KUBERNETES_SERVICE_HOST}" ] && [ -n "${KUBERNETES_PORT_443_TCP_PORT}" ] && [ -n "${MY_POD_NAMESPACE}" ] && [ -n "${MY_POD_NAME}" ]; then
if command -v jq >/dev/null 2>&1; then
KUBE_TOKEN="$(</var/run/secrets/kubernetes.io/serviceaccount/token)"
URL="https://$KUBERNETES_SERVICE_HOST:$KUBERNETES_PORT_443_TCP_PORT/api/v1/namespaces/$MY_POD_NAMESPACE/pods/$MY_POD_NAME"
curl -sSk -H "Authorization: Bearer $KUBE_TOKEN" "$URL" |
jq -r '.metadata.labels' | grep ':' | tr -d '," '
exit 0
else
echo "jq command not available. Please install jq to get host labels for kubernetes pods."
exit 1
fi
else
exit 0
fi
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