From 7dd7d09cf5394729fb3859085cc5b6bb81283438 Mon Sep 17 00:00:00 2001
From: Sandro Santilli <strk@keybit.net>
Date: Fri, 8 Feb 2013 16:44:34 +0100
Subject: [PATCH] Add Makefile rule to install munin plugin

---
 tools/checkfds.sh                 | 23 ++++++++++-------------
 tools/munin/Makefile              | 17 +++++++++++++++++
 tools/munin/windshaft_fds.conf.in |  5 +++++
 3 files changed, 32 insertions(+), 13 deletions(-)
 create mode 100644 tools/munin/Makefile
 create mode 100644 tools/munin/windshaft_fds.conf.in

diff --git a/tools/checkfds.sh b/tools/checkfds.sh
index 81e3b88d..c43b0bb3 100755
--- a/tools/checkfds.sh
+++ b/tools/checkfds.sh
@@ -1,15 +1,5 @@
 #!/bin/sh
 
-me=$0
-if test -h "$me"; then
-  me=`readlink $me`
-fi
-ENV_DIR=$(cd `dirname "$me"`/../config/environments || exit 1; pwd)
-
-if test -z "$TILER_ENVIRONMENT"; then
-  TILER_ENVIRONMENT=${ENV_DIR}/development.js
-fi
-
 if test "$1" = "config"; then
 cat <<'EOM'
 graph_title Tiler fd usage
@@ -21,9 +11,16 @@ http.label Incoming http requests (max)
 nfd.label Number of open file descriptors (max)
 EOM
 exit 0
-elif test x"$1" != "x"; then
-  # override env file
-  TILER_ENVIRONMENT="${ENV_DIR}/${1}.js"
+fi
+
+if test x"$1" != x; then
+  TILER_ENVIRONMENT=$(cd $(dirname $0); pwd)/../config/environments/${1}.js
+fi
+
+if test -z "$TILER_ENVIRONMENT"; then
+  echo "Usage: $0 [<environment>]" >&2
+  echo "   or: [TILER_ENVIRONMENT=<environment>] $0" >&2
+  exit 1
 fi
 
 http_port=$(echo "console.log(require('${TILER_ENVIRONMENT}').port)" | node) || exit 1
diff --git a/tools/munin/Makefile b/tools/munin/Makefile
new file mode 100644
index 00000000..04257833
--- /dev/null
+++ b/tools/munin/Makefile
@@ -0,0 +1,17 @@
+MUNIN_PLUGINS_DIR=/etc/munin/plugins
+MUNIN_PLUGINS_CONFIG_DIR=/etc/munin/plugin-conf.d
+PWD=$(shell pwd)
+
+all: windshaft_fds.conf
+
+windshaft_fds.conf: windshaft_fds.conf.in
+	sed 's#@PWD@#$(PWD)#' < $< > $@
+
+install-munin-plugin: windshaft_fds.conf
+	install -m 644 windshaft_fds.conf $(MUNIN_PLUGINS_CONFIG_DIR)/windshaft_fds.conf
+	install -m 755 ../checkfds.sh $(MUNIN_PLUGINS_DIR)/windshaft_fds
+
+install: install-munin-plugin
+
+clean:
+	rm -f windshaft_fds.conf
diff --git a/tools/munin/windshaft_fds.conf.in b/tools/munin/windshaft_fds.conf.in
new file mode 100644
index 00000000..2579a221
--- /dev/null
+++ b/tools/munin/windshaft_fds.conf.in
@@ -0,0 +1,5 @@
+# Configuration file for munin plugin
+
+[windshaft_fds]
+user root
+env.TILER_ENVIRONMENT @PWD@/../../config/environments/production.js