4 files changed, 88 insertions, 6 deletions
diff --git a/plugins.d/Makefile.am b/plugins.d/Makefile.am
index a89ee4cd..a717cbed 100644
--- a/plugins.d/Makefile.am
+++ b/plugins.d/Makefile.am
@@ -8,6 +8,7 @@ dist_plugins_DATA = \
 	$(NULL)
 
 dist_plugins_SCRIPTS = \
+	cgroup-name.sh \
 	charts.d.dryrun-helper.sh \
 	charts.d.plugin \
 	node.d.plugin \
diff --git a/plugins.d/Makefile.in b/plugins.d/Makefile.in
index 3b4e5198..c7499768 100644
--- a/plugins.d/Makefile.in
+++ b/plugins.d/Makefile.in
@@ -186,6 +186,8 @@ OPTIONAL_MATH_CLFAGS = @OPTIONAL_MATH_CLFAGS@
 OPTIONAL_MATH_LIBS = @OPTIONAL_MATH_LIBS@
 OPTIONAL_NFACCT_CLFAGS = @OPTIONAL_NFACCT_CLFAGS@
 OPTIONAL_NFACCT_LIBS = @OPTIONAL_NFACCT_LIBS@
+OPTIONAL_UUID_CLFAGS = @OPTIONAL_UUID_CLFAGS@
+OPTIONAL_UUID_LIBS = @OPTIONAL_UUID_LIBS@
 OPTIONAL_ZLIB_CLFAGS = @OPTIONAL_ZLIB_CLFAGS@
 OPTIONAL_ZLIB_LIBS = @OPTIONAL_ZLIB_LIBS@
 PACKAGE = @PACKAGE@
@@ -207,6 +209,8 @@ PTHREAD_LIBS = @PTHREAD_LIBS@
 SET_MAKE = @SET_MAKE@
 SHELL = @SHELL@
 STRIP = @STRIP@
+UUID_CFLAGS = @UUID_CFLAGS@
+UUID_LIBS = @UUID_LIBS@
 VERSION = @VERSION@
 ZLIB_CFLAGS = @ZLIB_CFLAGS@
 ZLIB_LIBS = @ZLIB_LIBS@
@@ -267,6 +271,7 @@ target_alias = @target_alias@
 top_build_prefix = @top_build_prefix@
 top_builddir = @top_builddir@
 top_srcdir = @top_srcdir@
+varlibdir = @varlibdir@
 webdir = @webdir@
 
 #
@@ -278,6 +283,7 @@ dist_plugins_DATA = \
 	$(NULL)
 
 dist_plugins_SCRIPTS = \
+	cgroup-name.sh \
 	charts.d.dryrun-helper.sh \
 	charts.d.plugin \
 	node.d.plugin \
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}"
diff --git a/plugins.d/charts.d.plugin b/plugins.d/charts.d.plugin
index 27b29470..2824fa3c 100755
--- a/plugins.d/charts.d.plugin
+++ b/plugins.d/charts.d.plugin
@@ -84,7 +84,7 @@ time_divisor=50
 # number of seconds to run without restart
 # after this time, charts.d.plugin will exit
 # netdata will restart it
-restart_timeout=$[3600 * 4]
+restart_timeout=$((3600 * 4))
 
 # check if the charts.d plugins are using global variables
 # they should not.
@@ -247,7 +247,7 @@ float2int() {
 	# echo >&2 "value='${1}' f='${f}', m='${m}'"
 
 	# the length of the multiplier - 1
-	l=$[ ${#m} - 1 ]
+	l=$(( ${#m} - 1 ))
 
 	# check if the number is in scientific notation
 	if [[ ${f} =~ ^[[:space:]]*(-)?[0-9.]+(e|E)(\+|-)[0-9]+ ]]
@@ -269,7 +269,7 @@ float2int() {
 
 	# strip leading zeros from the integer part
 	# base 10 convertion
-	a=$[10#$a]
+	a=$((10#$a))
 
 	# check the length of the decimal part
 	# against the length of the multiplier
@@ -281,16 +281,16 @@ float2int() {
 	elif [ ${#b} -lt ${l} ]
 		then
 		# too few digits - pad with zero on the right
-		local z="00000000000000000000000" r=$[l - ${#b}]
+		local z="00000000000000000000000" r=$((l - ${#b}))
 		b="${b}${z:0:${r}}"
 	fi
 
 	# strip leading zeros from the decimal part
 	# base 10 convertion
-	b=$[10#$b]
+	b=$((10#$b))
 
 	# store the result
-	FLOAT2INT_RESULT=$[ (a * m) + b ]
+	FLOAT2INT_RESULT=$(( (a * m) + b ))
 	#echo >&2 "FLOAT2INT_RESULT='${FLOAT2INT_RESULT}'"
 }