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-rwxr-xr-xplugins.d/cgroup-name.sh75
1 files changed, 75 insertions, 0 deletions
diff --git a/plugins.d/cgroup-name.sh b/plugins.d/cgroup-name.sh
new file mode 100755
index 00000000..8ce64b3d
--- /dev/null
+++ b/plugins.d/cgroup-name.sh
@@ -0,0 +1,75 @@
+#!/bin/bash
+
+export PATH="${PATH}:/sbin:/usr/sbin:/usr/local/sbin"
+export LC_ALL=C
+
+NETDATA_CONFIG_DIR="${NETDATA_CONFIG_DIR-/etc/netdata}"
+CONFIG="${NETDATA_CONFIG_DIR}/cgroups-names.conf"
+CGROUP="${1}"
+NAME=
+
+if [ -z "${CGROUP}" ]
+ then
+ echo >&2 "${0}: called without a cgroup name. Nothing to do."
+ exit 1
+fi
+
+if [ -f "${CONFIG}" ]
+ then
+ NAME="$(cat "${CONFIG}" | grep "^${CGROUP} " | sed "s/[[:space:]]\+/ /g" | cut -d ' ' -f 2)"
+ if [ -z "${NAME}" ]
+ then
+ echo >&2 "${0}: cannot find cgroup '${CGROUP}' in '${CONFIG}'."
+ fi
+#else
+# echo >&2 "${0}: configuration file '${CONFIG}' is not available."
+fi
+
+function get_name_classic {
+ DOCKERID=$1
+ echo >&2 "Running command: docker ps --filter=id=\"${DOCKERID}\" --format=\"{{.Names}}\""
+ NAME="$( docker ps --filter=id="${DOCKERID}" --format="{{.Names}}" )"
+}
+
+function get_name_api {
+ DOCKERID=$1
+ if [ ! -S "/var/run/docker.sock" ]
+ then
+ echo >&2 "Can't find /var/run/docker.sock"
+ return
+ fi
+ echo >&2 "Running API command: /containers/${DOCKERID}/json"
+ JSON=$(echo -e "GET /containers/${DOCKERID}/json HTTP/1.0\r\n" | nc -U /var/run/docker.sock | egrep '^{.*')
+ NAME=$(echo $JSON | jq -r .Name,.Config.Hostname | grep -v null | head -n1 | sed 's|^/||')
+}
+
+if [ -z "${NAME}" ]
+ then
+ if [[ "${CGROUP}" =~ ^.*docker[-/\.][a-fA-F0-9]+[-\.]?.*$ ]]
+ then
+ DOCKERID="$( echo "${CGROUP}" | sed "s|^.*docker[-/]\([a-fA-F0-9]\+\)[-\.]\?.*$|\1|" )"
+
+ if [ ! -z "${DOCKERID}" -a \( ${#DOCKERID} -eq 64 -o ${#DOCKERID} -eq 12 \) ]
+ then
+ if hash docker 2>/dev/null
+ then
+ get_name_classic $DOCKERID
+ else
+ get_name_api $DOCKERID
+ fi
+ if [ -z "${NAME}" ]
+ then
+ echo >&2 "Cannot find the name of docker container '${DOCKERID}'"
+ NAME="${DOCKERID:0:12}"
+ else
+ echo >&2 "Docker container '${DOCKERID}' is named '${NAME}'"
+ fi
+ fi
+ fi
+
+ [ -z "${NAME}" ] && NAME="${CGROUP}"
+ [ ${#NAME} -gt 50 ] && NAME="${NAME:0:50}"
+fi
+
+echo >&2 "${0}: cgroup '${CGROUP}' is called '${NAME}'"
+echo "${NAME}"