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installer.sh
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#!/bin/bash
if [ "$EUID" -ne 0 ]
then echo "Sorry! Please run as root..."
exit
fi
OSTYPE=$(uname -m)
USER="node-exporter"
NAME="node_exporter"
if [ "${OSTYPE}" = "x86_64" ]; then
BIN="amd64"
else
BIN="arm64"
fi
LATEST=$(curl -s https://api.github.com/repos/prometheus/node_exporter/releases/latest | grep "linux-${BIN}.tar.gz" | cut -d '"' -f 4 | tail -1)
cd /tmp/
curl -s -LJO $LATEST
tar -zxf $NAME-*.tar.gz
mkdir /opt/$NAME
mv /tmp/$NAME-*/node_exporter /opt/$NAME/bin
cat << EOF > /etc/systemd/system/node_exporter.service
[Unit]
Description=Prometheus exporter for machine metrics
[Service]
Restart=always
User=$USER
Group=$USER
EnvironmentFile=/opt/$NAME/env
ExecStart=/opt/$NAME/bin \$ARGS
ExecReload=/bin/kill -HUP $MAINPID
TimeoutStopSec=20s
SendSIGKILL=no
[Install]
WantedBy=multi-user.target
EOF
cat << EOF > /opt/$NAME/env
# Set the command-line arguments to pass to the server.
# Due to shell scaping, to pass backslashes for regexes, you need to double
# them (\\d for \d). If running under systemd, you need to double them again
# (\\\\d to mean \d), and escape newlines too.
ARGS=""
# Prometheus-node-exporter supports the following options:
#
# --collector.diskstats.ignored-devices="^(ram|loop|fd|(h|s|v|xv)d[a-z]|nvme\\d+n\\d+p)\\d+$"
# Regexp of devices to ignore for diskstats.
# --collector.filesystem.ignored-mount-points="^/(dev|proc|run|sys|mnt|media|var/lib/docker)($|/)"
# Regexp of mount points to ignore for filesystem
# collector.
# --collector.filesystem.ignored-fs-types="^(autofs|binfmt_misc|cgroup|configfs|debugfs|devpts|devtmpfs|fusectl|hugetlbfs|mqueue|overlay|proc|procfs|pstore|rpc_pipefs|securityfs|sysfs|tracefs)$"
# Regexp of filesystem types to ignore for
# filesystem collector.
# --collector.netdev.ignored-devices="^lo$"
# Regexp of net devices to ignore for netdev
# collector.
# --collector.netstat.fields="^(.*_(InErrors|InErrs)|Ip_Forwarding|Ip(6|Ext)_(InOctets|OutOctets)|Icmp6?_(InMsgs|OutMsgs)|TcpExt_(Listen.*|Syncookies.*)|Tcp_(ActiveOpens|PassiveOpens|RetransSegs|CurrEstab)|Udp6?_(InDatagrams|OutDatagrams|NoPorts))$"
# Regexp of fields to return for netstat
# collector.
# --collector.ntp.server="127.0.0.1"
# NTP server to use for ntp collector
# --collector.ntp.protocol-version=4
# NTP protocol version
# --collector.ntp.server-is-local
# Certify that collector.ntp.server address is the
# same local host as this collector.
# --collector.ntp.ip-ttl=1 IP TTL to use while sending NTP query
# --collector.ntp.max-distance=3.46608s
# Max accumulated distance to the root
# --collector.ntp.local-offset-tolerance=1ms
# Offset between local clock and local ntpd time
# to tolerate
# --path.procfs="/proc" procfs mountpoint.
# --path.sysfs="/sys" sysfs mountpoint.
# --collector.qdisc.fixtures=""
# test fixtures to use for qdisc collector
# end-to-end testing
# --collector.runit.servicedir="/etc/service"
# Path to runit service directory.
# --collector.supervisord.url="http://localhost:9001/RPC2"
# XML RPC endpoint.
# --collector.systemd.unit-whitelist=".+"
# Regexp of systemd units to whitelist. Units must
# both match whitelist and not match blacklist to
# be included.
# --collector.systemd.unit-blacklist=".+(\\.device|\\.scope|\\.slice|\\.target)"
# Regexp of systemd units to blacklist. Units must
# both match whitelist and not match blacklist to
# be included.
# --collector.systemd.private
# Establish a private, direct connection to
# systemd without dbus.
# --collector.textfile.directory="/var/lib/prometheus/node-exporter"
# Directory to read text files with metrics from.
# --collector.vmstat.fields="^(oom_kill|pgpg|pswp|pg.*fault).*"
# Regexp of fields to return for vmstat collector.
# --collector.wifi.fixtures=""
# test fixtures to use for wifi collector metrics
# --collector.arp Enable the arp collector (default: enabled).
# --collector.bcache Enable the bcache collector (default: enabled).
# --collector.bonding Enable the bonding collector (default: enabled).
# --collector.buddyinfo Enable the buddyinfo collector (default:
# disabled).
# --collector.conntrack Enable the conntrack collector (default:
# enabled).
# --collector.cpu Enable the cpu collector (default: enabled).
# --collector.diskstats Enable the diskstats collector (default:
# enabled).
# --collector.drbd Enable the drbd collector (default: disabled).
# --collector.edac Enable the edac collector (default: enabled).
# --collector.entropy Enable the entropy collector (default: enabled).
# --collector.filefd Enable the filefd collector (default: enabled).
# --collector.filesystem Enable the filesystem collector (default:
# enabled).
# --collector.hwmon Enable the hwmon collector (default: enabled).
# --collector.infiniband Enable the infiniband collector (default:
# enabled).
# --collector.interrupts Enable the interrupts collector (default:
# disabled).
# --collector.ipvs Enable the ipvs collector (default: enabled).
# --collector.ksmd Enable the ksmd collector (default: disabled).
# --collector.loadavg Enable the loadavg collector (default: enabled).
# --collector.logind Enable the logind collector (default: disabled).
# --collector.mdadm Enable the mdadm collector (default: enabled).
# --collector.meminfo Enable the meminfo collector (default: enabled).
# --collector.meminfo_numa Enable the meminfo_numa collector (default:
# disabled).
# --collector.mountstats Enable the mountstats collector (default:
# disabled).
# --collector.netdev Enable the netdev collector (default: enabled).
# --collector.netstat Enable the netstat collector (default: enabled).
# --collector.nfs Enable the nfs collector (default: enabled).
# --collector.nfsd Enable the nfsd collector (default: enabled).
# --collector.ntp Enable the ntp collector (default: disabled).
# --collector.qdisc Enable the qdisc collector (default: disabled).
# --collector.runit Enable the runit collector (default: disabled).
# --collector.sockstat Enable the sockstat collector (default:
# enabled).
# --collector.stat Enable the stat collector (default: enabled).
# --collector.supervisord Enable the supervisord collector (default:
# disabled).
# --collector.systemd Enable the systemd collector (default: enabled).
# --collector.tcpstat Enable the tcpstat collector (default:
# disabled).
# --collector.textfile Enable the textfile collector (default:
# enabled).
# --collector.time Enable the time collector (default: enabled).
# --collector.uname Enable the uname collector (default: enabled).
# --collector.vmstat Enable the vmstat collector (default: enabled).
# --collector.wifi Enable the wifi collector (default: enabled).
# --collector.xfs Enable the xfs collector (default: enabled).
# --collector.zfs Enable the zfs collector (default: enabled).
# --collector.timex Enable the timex collector (default: enabled).
# --web.listen-address=":9100"
# Address on which to expose metrics and web
# interface.
# --web.telemetry-path="/metrics"
# Path under which to expose metrics.
# --log.level="info" Only log messages with the given severity or
# above. Valid levels: [debug, info, warn, error,
# fatal]
# --log.format="logger:stderr"
# Set the log target and format. Example:
# "logger:syslog?appname=bob&local=7" or
# "logger:stdout?json=true"
EOF
adduser -r -d /opt/$NAME $USER -s /sbin/nologin
chown -R $USER:$USER /opt/$NAME
systemctl enable $NAME
systemctl start $NAME
systemctl status $NAME
rm -rf /tmp/$NAME-*
curl http://localhost:9100/metrics