From 970987c0d6e99ef0db866a09396d5613042a94d1 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Thu, 18 Feb 2021 16:22:14 +0100
Subject: Merging upstream version 1.29.2.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 daemon/get-kubernetes-labels.sh.in | 49 ++++++++++++++++++++++++++++----------
 daemon/system-info.sh              | 22 +++++++++--------
 2 files changed, 48 insertions(+), 23 deletions(-)

(limited to 'daemon')

diff --git a/daemon/get-kubernetes-labels.sh.in b/daemon/get-kubernetes-labels.sh.in
index 805d027b8..5aa89ab9d 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 80eb82f86..05d8667c2 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
-- 
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