meoww-bot · October 21, 2022 15:56 · Oct 3, 2018
diff --git a/install_node_exporter.centos6.sh b/install_node_exporter.centos6.sh
@@ -0,0 +1,125 @@
+#!/bin/bash
+
+# Install Prometheus Node Exporter on CentOS 6.
+
+set -eu
+set -o pipefail
+set -x
+
+REPOFILE='/etc/yum.repos.d/coprs.ibotty.prometheus-exporters.repo'
+INSTALLED=0
+
+if test -f "$REPOFILE"; then
+  INSTALLED=1
+  service node_exporter stop || true
+fi
+
+if [[ $INSTALLED -eq 0 ]]; then
+  curl -sS https://copr.fedorainfracloud.org/coprs/ibotty/prometheus-exporters/repo/epel-6/ibotty-prometheus-exporters-epel-6.repo > $REPOFILE
+  # this will create the node_exporter user / group
+  yum install node_exporter
+  iptables -I INPUT -p tcp --dport 9100 -j ACCEPT
+  service iptables save
+fi
+
+touch /var/log/node_exporter.log
+chmod 640 /var/log/node_exporter.log
+chown node_exporter:adm /var/log/node_exporter.log
+
+# Adjust permissions slightly from what the repo provided.
+chown root:node_exporter /var/lib/node_exporter/textfile_collector/
+chmod 2771 /var/lib/node_exporter/textfile_collector/
+
+
+cat << 'EOF' > /etc/logrotate.d/node_exporter
+/var/log/node_exporter.log {
+  weekly
+  missingok
+  notifempty
+  compress
+  delaycompress
+  create 640 node_exporter adm
+}
+EOF
+
+cat << 'EOF' > /etc/init.d/node_exporter
+#!/bin/bash
+#
+# node_exporter Export statistics to be consumed by a remote Prometheus server
+#
+# chkconfig: 345 70 30
+# description: Prometheus node exporter
+# processname: node_exporter
+### BEGIN INIT INFO
+# Provides:
+# Required-Start:
+# Required-Stop:
+# Default-Start: 3 4 5
+# Default-Stop: 0 1 2 6
+### END INIT INFO
+
+#
+#
+#  Prometheus node exporter
+#  /etc/init.d/node_exporter
+#
+#
+
+
+# Source function library.
+. /etc/init.d/functions
+
+PROGNAME=node_exporter
+PROG=/usr/sbin/$PROGNAME
+USER=node_exporter
+LOGFILE=/var/log/node_exporter.log
+LOCKFILE=/var/run/$PROGNAME.pid
+
+start() {
+    echo -n "Starting $PROGNAME: "
+    cd /var/lib/node_exporter/textfile_collector/
+    daemon --user $USER --pidfile="$LOCKFILE" "$PROG &>$LOGFILE &"
+    echo $(pidofproc $PROGNAME) >$LOCKFILE
+    echo
+}
+
+stop() {
+    echo -n "Shutting down $PROGNAME: "
+    killproc $PROGNAME
+    rm -f $LOCKFILE
+    echo
+}
+
+
+case "$1" in
+    start)
+    start
+    ;;
+    stop)
+    stop
+    ;;
+    status)
+    status $PROGNAME
+    ;;
+    restart)
+    stop
+    start
+    ;;
+    reload)
+    echo "Sending SIGHUP to $PROGNAME"
+    kill -SIGHUP $(pidofproc $PROGNAME)#!/bin/bash
+    ;;
+    *)
+        echo "Usage: service node_exporter {start|stop|status|reload|restart}"
+        exit 1
+    ;;
+esac
+EOF
+
+chmod 755 /etc/init.d/node_exporter
+
+if [[ $INSTALLED -eq 0 ]]; then
+  chkconfig node_exporter --add
+fi
+
+service node_exporter start