From 002d143548874a908d95a80b8c21e1938a262045 Mon Sep 17 00:00:00 2001
From: Jeremy Lecour <jlecour@evolix.fr>
Date: Thu, 5 Jan 2017 18:09:00 +0100
Subject: [PATCH] drbd-utils: munin/nagios plugins are vendored

---
 drbd-utils/README.md                          |  27 ++++
 .../{munin-plugins => munin/drbd-config}      |   0
 drbd-utils/files/munin/drbd-plugin            | 143 ++++++++++++++++++
 drbd-utils/files/nagios/check_drbd            |   0
 drbd-utils/tasks/main.yml                     |   5 +-
 drbd-utils/tasks/munin.yml                    |  11 +-
 drbd-utils/tasks/nagios.yml                   |  14 +-
 7 files changed, 187 insertions(+), 13 deletions(-)
 create mode 100644 drbd-utils/README.md
 rename drbd-utils/files/{munin-plugins => munin/drbd-config} (100%)
 create mode 100644 drbd-utils/files/munin/drbd-plugin
 create mode 100644 drbd-utils/files/nagios/check_drbd

diff --git a/drbd-utils/README.md b/drbd-utils/README.md
new file mode 100644
index 00000000..86ae3aa6
--- /dev/null
+++ b/drbd-utils/README.md
@@ -0,0 +1,27 @@
+# drbd-utils
+
+Install tools to setup DRBD replication accross servers.
+
+## Tasks
+
+Everything is in the `tasks/main.yml` file.
+
+## Available variables
+
+The variable `admin_users` must be a "dict" of one or more users :
+
+```
+admin_users:
+  foo:
+    name: foo
+    uid: 1001
+    fullname: 'Mr Foo'
+    password_hash: 'sdfgsdfgsdfgsdfg'
+    ssh_key: 'ssh-rsa AZERTYXYZ'
+  bar:
+    name: bar
+    uid: 1002
+    fullname: 'Mr Bar'
+    password_hash: 'gsdfgsdfgsdfgsdf'
+    ssh_key: 'ssh-rsa QWERTYUIOP'
+```
diff --git a/drbd-utils/files/munin-plugins b/drbd-utils/files/munin/drbd-config
similarity index 100%
rename from drbd-utils/files/munin-plugins
rename to drbd-utils/files/munin/drbd-config
diff --git a/drbd-utils/files/munin/drbd-plugin b/drbd-utils/files/munin/drbd-plugin
new file mode 100644
index 00000000..63c5a02b
--- /dev/null
+++ b/drbd-utils/files/munin/drbd-plugin
@@ -0,0 +1,143 @@
+#!/usr/bin/perl
+
+# http://www.drbd.org/users-guide/ch-admin.html#s-proc-drbd
+
+use strict;
+
+my $file="/proc/drbd";
+my $store = {};
+my $temp;
+
+&crunch;
+&display;
+
+sub display{
+	if ($ARGV[0] and $ARGV[0] eq "config"){
+		print "graph_title DRBD\n";
+		print "graph_category DRBD\n";
+		print "graph_info Graph DRBD\n";
+		print "graph_vlabel Bytes per \${graph_period} read (-) / written (+)\n";
+		print "graph_args --base 1024 --lower-limit 0\n";
+
+		foreach my $key ( keys %$store ){
+			my $drbdname = 'drbd'.$key;
+			print $drbdname."dr.label $drbdname disk\n";
+			print $drbdname."dr.cdef ".$drbdname."dr,819,*\n";
+			print $drbdname."dr.type DERIVE\n";
+			print $drbdname."dr.min 0\n";
+			print $drbdname."dr.graph no\n";
+			print $drbdname."dw.label $drbdname disk\n";
+			print $drbdname."dw.cdef ".$drbdname."dw,819,*\n";
+			print $drbdname."dw.type DERIVE\n";
+			print $drbdname."dw.min 0\n";
+			print $drbdname."dw.negative ".$drbdname."dr\n";
+			print $drbdname."nr.label $drbdname net\n";
+			print $drbdname."nr.cdef ".$drbdname."nr,819,*\n";
+			print $drbdname."nr.type DERIVE\n";
+			print $drbdname."nr.min 0\n";
+			print $drbdname."nr.graph no\n";
+			print $drbdname."ns.label $drbdname net\n";
+			print $drbdname."ns.cdef ".$drbdname."ns,819,*\n";
+			print $drbdname."ns.type DERIVE\n";
+			print $drbdname."ns.min 0\n";
+			print $drbdname."ns.negative ".$drbdname."nr\n";
+		}
+        exit 0;
+	}
+
+	foreach my $key ( keys %$store ){
+		my $drbdname = 'drbd'.$key;
+		print $drbdname."dw.value ".$store->{$key}->{'dw'}."\n";
+		print $drbdname."dr.value ".$store->{$key}->{'dr'}."\n";
+		print $drbdname."ns.value ".$store->{$key}->{'ns'}."\n";
+		print $drbdname."nr.value ".$store->{$key}->{'nr'}."\n";
+	}
+}
+
+sub crunch{
+open (IN, $file ) || die "Could not open $file for reading: $!";
+	while (<IN>){
+		next if /version:|GIT-hash:/;
+		chomp;
+
+		my ($drbd) = $_ =~ /^\s+(\d):/;
+		$temp = $drbd if $drbd =~ /\d/;
+
+		if (/resync/){
+			my ($hits) = $_ =~ /hits:(\d*)/;
+			$store->{ $temp }->{'resync'}->{hits} = $hits if $hits ne undef;
+
+			my ($misses) = $_ =~ /misses:(\d*)/;
+			$store->{ $temp }->{'resync'}->{misses} = $misses if $misses ne undef;
+
+			my ($starving) = $_ =~ /starving:(\d*)/;
+			$store->{ $temp }->{'resync'}->{starving} = $starving if $starving ne undef;
+
+			my ($dirty) = $_ =~ /dirty:(\d*)/;
+			$store->{ $temp }->{'resync'}->{dirty} = $dirty if $dirty ne undef;
+
+			my ($changed) = $_ =~ /changed:(\d*)/;
+			$store->{ $temp }->{'resync'}->{changed} = $changed if $changed ne undef;
+		}
+
+		if (/act_log/){
+			my ($hits) = $_ =~ /hits:(\d*)/;
+			$store->{ $temp }->{'act_log'}->{hits} = $hits if $hits ne undef;
+
+			my ($misses) = $_ =~ /misses:(\d*)/;
+			$store->{ $temp }->{'act_log'}->{misses} = $misses if $misses ne undef;
+
+			my ($starving) = $_ =~ /starving:(\d*)/;
+			$store->{ $temp }->{'act_log'}->{starving} = $starving if $starving ne undef;
+
+			my ($dirty) = $_ =~ /dirty:(\d*)/;
+			$store->{ $temp }->{'act_log'}->{dirty} = $dirty if $dirty ne undef;
+
+			my ($changed) = $_ =~ /changed:(\d*)/;
+			$store->{ $temp }->{'act_log'}->{changed} = $changed if $changed ne undef;
+		}
+		
+		my ($ns) = $_ =~ /ns:(\d*)/;
+		$store->{ $temp }->{'ns'} = $ns if $ns ne undef;
+
+		my ($nr) = $_ =~ /nr:(\d*)/;
+		$store->{ $temp }->{'nr'} = $nr if $ns ne undef;
+
+		my ($dw) = $_ =~ /dw:(\d*)/;
+		$store->{ $temp }->{'dw'} = $dw if $dw ne undef;
+
+		my ($dr) = $_ =~ /dr:(\d*)/;
+		$store->{ $temp }->{'dr'} = $dr if $dr ne undef;
+
+		my ($al) = $_ =~ /al:(\d*)/;
+		$store->{ $temp }->{'al'} = $al if $dr ne undef;
+
+		my ($bm) = $_ =~ /bm:(\d*)/;
+		$store->{ $temp }->{'bm'} = $bm if $dr ne undef;
+
+		my ($lo) = $_ =~ /lo:(\d*)/;
+		$store->{ $temp }->{'lo'} = $lo if $dr ne undef;
+
+		my ($pe) = $_ =~ /pe:(\d*)/;
+		$store->{ $temp }->{'pe'} = $pe if $dr ne undef;
+
+		my ($ua) = $_ =~ /ua:(\d*)/;
+		$store->{ $temp }->{'ua'} = $ua if $dr ne undef;
+
+		my ($ap) = $_ =~ /ap:(\d*)/;
+		$store->{ $temp }->{'ap'} = $ap if $ap ne undef;
+
+		my ($hits) = $_ =~ /hits:(\d*)/;
+		$store->{ $temp }->{'hits'} = $hits if $hits ne undef;
+
+		my ($used) = $_ =~ /used:(\d*\\\d*)\s/;
+		$store->{ $temp }->{'used'} = $used if $used ne undef;
+}
+
+close (IN);
+
+#print Dumper \$store;
+
+}
+
+exit 0;
diff --git a/drbd-utils/files/nagios/check_drbd b/drbd-utils/files/nagios/check_drbd
new file mode 100644
index 00000000..e69de29b
diff --git a/drbd-utils/tasks/main.yml b/drbd-utils/tasks/main.yml
index 2ffb0580..6e0eca0a 100644
--- a/drbd-utils/tasks/main.yml
+++ b/drbd-utils/tasks/main.yml
@@ -1,9 +1,6 @@
 ---
 - include: packages.yml
 
-- name: Mount /usr in rw
-  command: mount -o remount,rw /usr warn=no
-  changed_when: False
-
 - include: munin.yml
+
 - include: nagios.yml
diff --git a/drbd-utils/tasks/munin.yml b/drbd-utils/tasks/munin.yml
index ca96909f..c761bc6e 100644
--- a/drbd-utils/tasks/munin.yml
+++ b/drbd-utils/tasks/munin.yml
@@ -1,14 +1,15 @@
 ---
 
+# https://raw.githubusercontent.com/munin-monitoring/contrib/master/plugins/drbd/drbd
 - name: Get Munin plugin
-  get_url:
-    url: 'https://raw.githubusercontent.com/munin-monitoring/contrib/master/plugins/drbd/drbd'
-    dest: '/etc/munin/plugins/'
+  copy:
+    src: munin/drbd-plugin
+    dest: /etc/munin/plugins/drbd
     mode: "755"
   notify: restart munin-node
 
 - name: Copy Munin plugin conf
   copy:
-    src: files/munin-plugins
-    dest: '/etc/munin/plugin-conf.d/drbd'
+    src: munin/drbd-config
+    dest: /etc/munin/plugin-conf.d/drbd
   notify: restart munin-node
diff --git a/drbd-utils/tasks/nagios.yml b/drbd-utils/tasks/nagios.yml
index 41e8eab4..148adb75 100644
--- a/drbd-utils/tasks/nagios.yml
+++ b/drbd-utils/tasks/nagios.yml
@@ -1,6 +1,12 @@
 ---
-- name: Get Nagios plugin
-  get_url:
-    url: 'https://exchange.nagios.org/components/com_mtree/attachment.php?link_id=3367&cf_id=30'
-    dest: '/usr/local/lib/nagios/plugins/check_drbd'
+
+- name: Mount /usr in rw
+  command: mount -o remount,rw /usr warn=no
+  changed_when: False
+
+# https://exchange.nagios.org/components/com_mtree/attachment.php?link_id=3367&cf_id=30
+- name: Install Nagios plugin
+  copy:
+    src: "nagios/check_drbd"
+    dest: "/usr/local/lib/nagios/plugins/check_drbd"
     mode: "755"