diff options
Diffstat (limited to '')
| -rw-r--r-- | daemon/get-kubernetes-labels.sh.in | 49 | ||||
| -rwxr-xr-x | daemon/system-info.sh | 22 |
2 files changed, 48 insertions, 23 deletions
diff --git a/daemon/get-kubernetes-labels.sh.in b/daemon/get-kubernetes-labels.sh.in index 805d027b..5aa89ab9 100644 --- a/daemon/get-kubernetes-labels.sh.in +++ b/daemon/get-kubernetes-labels.sh.in @@ -2,17 +2,40 @@ # 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 +if [ -z "${KUBERNETES_SERVICE_HOST}" ] || [ -z "${KUBERNETES_PORT_443_TCP_PORT}" ] || [ -z "${MY_POD_NAMESPACE}" ] || [ -z "${MY_POD_NAME}" ]; then + exit 0 fi + +if ! command -v jq > /dev/null 2>&1; then + echo "jq command not available. Please install jq to get host labels for kubernetes pods." + exit 1 +fi + +TOKEN="$(< /var/run/secrets/kubernetes.io/serviceaccount/token)" +HEADER="Authorization: Bearer $TOKEN" +HOST="$KUBERNETES_SERVICE_HOST:$KUBERNETES_PORT_443_TCP_PORT" + +URL="https://$HOST/api/v1/namespaces/$MY_POD_NAMESPACE/pods/$MY_POD_NAME" +if ! POD_DATA=$(curl -sSk -H "$HEADER" "$URL" 2>&1); then + echo "error on curl '${URL}': ${POD_DATA}." + exit 1 +fi + +URL="https://$HOST/api/v1/namespaces/kube-system" +if ! KUBE_SYSTEM_NS_DATA=$(curl -sSk -H "$HEADER" "$URL" 2>&1); then + echo "error on curl '${URL}': ${KUBE_SYSTEM_NS_DATA}." + exit 1 +fi + +if ! POD_LABELS=$(jq -r '.metadata.labels' <<< "$POD_DATA" | grep ':' | tr -d '," ' 2>&1); then + echo "error on 'jq' parse pod data: ${POD_LABELS}." + exit 1 +fi + +if ! KUBE_SYSTEM_NS_UID=$(jq -r '.metadata.uid' <<< "$KUBE_SYSTEM_NS_DATA" 2>&1); then + echo "error on 'jq' parse kube_system_ns: ${KUBE_SYSTEM_NS_UID}." + exit 1 +fi + +echo -e "$POD_LABELS\nk8s_cluster_id:$KUBE_SYSTEM_NS_UID" +exit 0 diff --git a/daemon/system-info.sh b/daemon/system-info.sh index 80eb82f8..05d8667c 100755 --- a/daemon/system-info.sh +++ b/daemon/system-info.sh @@ -108,9 +108,9 @@ else fi # shellcheck disable=SC2153 - if [ "${NAME}" = "unknown" ] || [ "${VERSION}" = "unknown" ] || [ "${ID}" = "unknown" ]; then + if [ "${CONTAINER_NAME}" = "unknown" ] || [ "${CONTAINER_VERSION}" = "unknown" ] || [ "${CONTAINER_ID}" = "unknown" ]; then if [ -f "/etc/lsb-release" ]; then - if [ "${OS_DETECTION}" = "unknown" ]; then + if [ "${CONTAINER_OS_DETECTION}" = "unknown" ]; then CONTAINER_OS_DETECTION="/etc/lsb-release" else CONTAINER_OS_DETECTION="Mixed" @@ -119,19 +119,19 @@ else DISTRIB_RELEASE="unknown" DISTRIB_CODENAME="unknown" eval "$(grep -E "^(DISTRIB_ID|DISTRIB_RELEASE|DISTRIB_CODENAME)=" < /etc/lsb-release)" - if [ "${NAME}" = "unknown" ]; then CONTAINER_NAME="${DISTRIB_ID}"; fi - if [ "${VERSION}" = "unknown" ]; then CONTAINER_VERSION="${DISTRIB_RELEASE}"; fi - if [ "${ID}" = "unknown" ]; then CONTAINER_ID="${DISTRIB_CODENAME}"; fi + if [ "${CONTAINER_NAME}" = "unknown" ]; then CONTAINER_NAME="${DISTRIB_ID}"; fi + if [ "${CONTAINER_VERSION}" = "unknown" ]; then CONTAINER_VERSION="${DISTRIB_RELEASE}"; fi + if [ "${CONTAINER_ID}" = "unknown" ]; then CONTAINER_ID="${DISTRIB_CODENAME}"; fi fi if [ -n "$(command -v lsb_release 2> /dev/null)" ]; then - if [ "${OS_DETECTION}" = "unknown" ]; then + if [ "${CONTAINER_OS_DETECTION}" = "unknown" ]; then CONTAINER_OS_DETECTION="lsb_release" else CONTAINER_OS_DETECTION="Mixed" fi - if [ "${NAME}" = "unknown" ]; then CONTAINER_NAME="$(lsb_release -is 2> /dev/null)"; fi - if [ "${VERSION}" = "unknown" ]; then CONTAINER_VERSION="$(lsb_release -rs 2> /dev/null)"; fi - if [ "${ID}" = "unknown" ]; then CONTAINER_ID="$(lsb_release -cs 2> /dev/null)"; fi + if [ "${CONTAINER_NAME}" = "unknown" ]; then CONTAINER_NAME="$(lsb_release -is 2> /dev/null)"; fi + if [ "${CONTAINER_VERSION}" = "unknown" ]; then CONTAINER_VERSION="$(lsb_release -rs 2> /dev/null)"; fi + if [ "${CONTAINER_ID}" = "unknown" ]; then CONTAINER_ID="$(lsb_release -cs 2> /dev/null)"; fi fi fi fi @@ -143,7 +143,9 @@ HOST_VERSION="unknown" HOST_VERSION_ID="unknown" HOST_ID="unknown" HOST_ID_LIKE="unknown" -if [ "${CONTAINER}" = "unknown" ]; then + +# 'systemd-detect-virt' returns 'none' if there is no hardware/container virtualization. +if [ "${CONTAINER}" = "unknown" ] || [ "${CONTAINER}" = "none" ]; then for v in NAME ID ID_LIKE VERSION VERSION_ID OS_DETECTION; do eval "HOST_$v=\$CONTAINER_$v; CONTAINER_$v=none" done |