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-rw-r--r--files/etc/munin/munin.conf20
-rw-r--r--files/etc/nginx/nginx.conf31
-rw-r--r--files/etc/nginx/sites-enabled/munin29
-rwxr-xr-xfiles/munin.sh164
-rw-r--r--files/patches/munin-ds-datalock.patch11
-rw-r--r--files/patches/munin-graph-logging.patch10
-rw-r--r--files/patches/munin-update-logging.patch10
7 files changed, 275 insertions, 0 deletions
diff --git a/files/etc/munin/munin.conf b/files/etc/munin/munin.conf
new file mode 100644
index 0000000..aa3e550
--- /dev/null
+++ b/files/etc/munin/munin.conf
@@ -0,0 +1,20 @@
+dbdir /munin/db
+rundir /tmp
+htmldir /munin/www
+logdir /munin/log
+
+includedir /etc/munin/munin-conf.d
+tmpldir /etc/munin/templates
+staticdir /etc/munin/static
+
+# strategies cron|cgi
+html_strategy cgi
+graph_strategy cgi
+cgiurl_graph /munin-cgi/munin-cgi-graph
+
+#max_size_x 4000
+#max_size_y 4000
+#max_processes 16
+#munin_cgi_graph_jobs 6
+#graph_period second
+#rrdcached_socket /var/run/rrdcached.sock
diff --git a/files/etc/nginx/nginx.conf b/files/etc/nginx/nginx.conf
new file mode 100644
index 0000000..1634164
--- /dev/null
+++ b/files/etc/nginx/nginx.conf
@@ -0,0 +1,31 @@
+worker_processes 4;
+pid /tmp/nginx.pid;
+error_log /proc/self/fd/2 warn;
+
+events {
+ worker_connections 768;
+ # multi_accept on;
+}
+
+http {
+ sendfile on;
+ tcp_nopush on;
+ tcp_nodelay on;
+ keepalive_timeout 65;
+ types_hash_max_size 2048;
+
+ include /etc/nginx/mime.types;
+ default_type application/octet-stream;
+
+ #client_body_temp_path /tmp/nginx/temp;
+ #proxy_temp_path /tmp/nginx/proxy;
+
+ access_log /proc/self/fd/1;
+ error_log /proc/self/fd/2;
+
+ gzip on;
+ gzip_disable "msie6";
+
+ include /etc/nginx/conf.d/*.conf;
+ include /etc/nginx/sites-enabled/*;
+}
diff --git a/files/etc/nginx/sites-enabled/munin b/files/etc/nginx/sites-enabled/munin
new file mode 100644
index 0000000..4dc9764
--- /dev/null
+++ b/files/etc/nginx/sites-enabled/munin
@@ -0,0 +1,29 @@
+server {
+ listen 8080 default_server;
+ server_name munin;
+
+ access_log /proc/self/fd/1;
+ error_log /proc/self/fd/2;
+
+ location /munin/static {
+ alias /etc/munin/static;
+ }
+
+ location ^~ /munin/ {
+ fastcgi_split_path_info ^(/munin)(.*);
+ fastcgi_param PATH_INFO $fastcgi_path_info;
+ fastcgi_pass 127.0.0.1:9001;
+ include fastcgi_params;
+ }
+
+ location ^~ /munin-cgi/munin-cgi-graph/ {
+ fastcgi_split_path_info ^(/munin-cgi/munin-cgi-graph)(.*);
+ fastcgi_param PATH_INFO $fastcgi_path_info;
+ fastcgi_pass 127.0.0.1:9000;
+ include fastcgi_params;
+ }
+
+ location / {
+ rewrite ^/$ munin/ redirect; break;
+ }
+}
diff --git a/files/munin.sh b/files/munin.sh
new file mode 100755
index 0000000..63f5732
--- /dev/null
+++ b/files/munin.sh
@@ -0,0 +1,164 @@
+#!/bin/bash
+
+NODES=${NODES:-}
+SNMP_NODES=${SNMP_NODES:-}
+SSH_NODES=${SSH_NODES:-}
+MUNIN_USERS=${MUNIN_USERS:-${MUNIN_USER:-user}}
+MUNIN_PASSWORDS=${MUNIN_PASSWORDS:-${MUNIN_PASSWORD:-password}}
+MAIL_CONF_PATH='/munin/db/.mailrc'
+SMTP_USE_TLS=${SMTP_USE_TLS:-false}
+SMTP_ALWAYS_SEND=${SMTP_ALWAYS_SEND:-true}
+SMTP_MESSAGE_DEFAULT='[${var:group};${var:host}] -> ${var:graph_title} -> warnings: ${loop<,>:wfields ${var:label}=${var:value}} / criticals: ${loop<,>:cfields ${var:label}=${var:value}}'
+SMTP_MESSAGE="${SMTP_MESSAGE:-$SMTP_MESSAGE_DEFAULT}"
+
+
+mkdir -p /munin/{db,log,www/cache}
+[ -a /munin/db/cgi-tmp ] || ln -s ../www/cache /munin/db/cgi-tmp
+[ -a /var/lib/munin/cgi-tmp ] || ln -s /munin/www/cache /var/lib/munin/cgi-tmp
+[ -a /var/log/nginx ] || ln -s /tmp /var/log/nginx
+
+
+truncate -s 0 "${MAIL_CONF_PATH}"
+
+if [ "${SMTP_USE_TLS}" = true ] ; then
+ cat >> "${MAIL_CONF_PATH}" <<EOF
+set smtp-use-starttls
+set ssl-verify=ignore
+EOF
+fi
+
+if [ -n "${SMTP_HOST}" -a -n "${SMTP_PORT}" ] ; then
+ cat >> "${MAIL_CONF_PATH}" <<EOF
+set smtp=smtp://${SMTP_HOST}:${SMTP_PORT}
+EOF
+fi
+
+if [ -n "${SMTP_USERNAME}" -a -n "${SMTP_PASSWORD}" ] ; then
+ cat >> "${MAIL_CONF_PATH}" <<EOF
+set smtp-auth=login
+set smtp-auth-user=${SMTP_USERNAME}
+set smtp-auth-password=${SMTP_PASSWORD}
+EOF
+fi
+
+grep -q 'contact.mail' /etc/munin/munin.conf; rc=$?
+if [ $rc -ne 0 -a -n "${ALERT_RECIPIENT}" -a -n "${ALERT_SENDER}" ] ; then
+ echo "Setup alert email from ${ALERT_SENDER} to ${ALERT_RECIPIENT}"
+ echo "contact.mail.command mail -r ${ALERT_SENDER} -s '${SMTP_MESSAGE}' ${ALERT_RECIPIENT}" >> /etc/munin/munin.conf
+ if [ "${SMTP_ALWAYS_SEND}" = true ] ; then
+ echo 'contact.mail.always_send warning critical' >> /etc/munin/munin.conf
+ fi
+fi
+
+# generate node list
+for NODE in $NODES
+do
+ NAME=`echo $NODE | cut -d ":" -f1`
+ HOST=`echo $NODE | cut -d ":" -f2`
+ PORT=`echo $NODE | cut -d ":" -f3`
+ if [ ${#PORT} -eq 0 ]; then
+ PORT=4949
+ fi
+ if ! grep -q "'^$HOST$'" /etc/munin/munin.conf ; then
+ cat << EOF >> /etc/munin/munin.conf
+[$NAME]
+ address $HOST
+ use_node_name yes
+ port $PORT
+
+EOF
+ echo "Added node '$NAME' '$HOST'"
+ fi
+done
+
+# generate node list
+for NODE in $SNMP_NODES
+do
+ NAME=`echo $NODE | cut -d ":" -f1`
+ HOST=`echo $NODE | cut -d ":" -f2`
+ PORT=`echo $NODE | cut -d ":" -f3`
+ if [ ${#PORT} -eq 0 ]; then
+ PORT=4949
+ fi
+ if ! grep -q "'^$HOST$'" /etc/munin/munin.conf ; then
+ cat << EOF >> /etc/munin/munin.conf
+[$NAME]
+ address $HOST
+ use_node_name no
+ port $PORT
+
+EOF
+ echo "Added SNMP node '$NAME' '$HOST'"
+ fi
+done
+
+for SSH_NODE in $SSH_NODES
+do
+ NAME=`echo $SSH_NODE | cut -d ":" -f1`
+ HOST=`echo $SSH_NODE | cut -d ":" -f2`
+ PORT=`echo $SSH_NODE | cut -d ":" -f3`
+ if [ ${#PORT} -eq 0 ]; then
+ PORT=4949
+ fi
+ if ! grep -q "'^$HOST$'" /etc/munin/munin.conf ; then
+ cat << EOF >> /etc/munin/munin.conf
+[$NAME]
+ address ssh://$HOST/usr/bin/nc localhost 4949
+ use_node_name yes
+ port $PORT
+
+EOF
+ echo "Added SSH node '$NAME' '$HOST'"
+ fi
+done
+
+
+# placeholder html to prevent permission error
+if [ ! -e /munin/www/index.html ]; then
+cat << EOF > /munin/www/index.html
+<html>
+<head>
+ <title>Munin</title>
+</head>
+<body>
+Munin has not run yet. Please try again in a few moments.
+</body>
+</html>
+EOF
+fi
+
+# start rsyslogd
+truncate -s 0 /tmp/rsyslogd.pid
+#/usr/sbin/rsyslogd -i /tmp/rsyslogd.pid
+
+# start munin updates
+truncate -s 0 /munin/log/munin-update.log
+/usr/local/bin/supercronic -split-logs /etc/munin/munin.cron & cron_pid=$!
+
+
+echo "Using the following munin nodes:"
+echo $NODES
+echo "(ssh) $SSH_NODES"
+echo "(snmp) $SNMP_NODES"
+
+# Pregenerate data
+echo "First run"
+munin-cron
+
+echo "Start data servers"
+# start spawn-cgi to enable CGI interface with munin (dynamix graph generation)
+spawn-fcgi -n -p 9000 /usr/lib/munin/cgi/munin-cgi-graph & graph_pid=$!
+spawn-fcgi -n -p 9001 /usr/lib/munin/cgi/munin-cgi-html & html_pid=$1
+# start nginx
+/usr/sbin/nginx
+# show logs
+echo "Tailing syslog and munin-update log..."
+tail -F /munin/log/munin-update.log & pid=$!
+echo "tail -F running in $pid"
+
+sleep 1
+
+trap "echo 'stopping processes' ; kill $pid $cron_pid $graph_pid $html_pid $(cat /tmp/nginx.pid) $(cat /tmp/rsyslogd.pid)" SIGTERM SIGINT
+
+echo "Waiting for signal SIGINT/SIGTERM"
+wait
diff --git a/files/patches/munin-ds-datalock.patch b/files/patches/munin-ds-datalock.patch
new file mode 100644
index 0000000..3ec249b
--- /dev/null
+++ b/files/patches/munin-ds-datalock.patch
@@ -0,0 +1,11 @@
+--- Munin/Master/Update.pm
++++ Munin-ds/Master/Update.pm
+@@ -265,7 +265,7 @@
+ sub _write_new_service_configs_locked {
+ my ($self) = @_;
+
+- my $lock_file = "$config->{rundir}/munin-datafile.lock";
++ my $lock_file = "$config->{dbdir}/datafile.lock";
+ munin_runlock($lock_file);
+
+ my $config_dump_file = $self->{config_dump_file};
diff --git a/files/patches/munin-graph-logging.patch b/files/patches/munin-graph-logging.patch
new file mode 100644
index 0000000..aa4fc56
--- /dev/null
+++ b/files/patches/munin-graph-logging.patch
@@ -0,0 +1,10 @@
+--- /usr/share/munin/munin-graph 2015-11-28 00:45:25.274878597 +0100
++++ /usr/share/munin/munin-graph 2015-11-28 00:45:44.622466044 +0100
+@@ -73,6 +73,7 @@
+
+ logger_open($config->{'logdir'});
+ logger_debug() if $config->{debug} or defined($ENV{CGI_DEBUG});
++logger_level("warn");
+
+ if (! graph_check_cron() ) {
+ # Should not be launched from cron.
diff --git a/files/patches/munin-update-logging.patch b/files/patches/munin-update-logging.patch
new file mode 100644
index 0000000..4f8e87b
--- /dev/null
+++ b/files/patches/munin-update-logging.patch
@@ -0,0 +1,10 @@
+--- /usr/share/munin/munin-update 2015-11-28 00:44:27.175435050 +0100
++++ /usr/share/munin/munin-update 2015-11-28 00:44:57.313544402 +0100
+@@ -34,6 +34,7 @@
+
+ logger_open($config->{'logdir'});
+ logger_debug() if $config->{debug};
++ logger_level("warn");
+
+ my $update = Munin::Master::Update->new();
+ $update->run();
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-05 14:04:11 +0000