mirror of
https://github.com/nextcloud/nextcloudpi.git
synced 2026-01-10 15:12:01 -03:30
286 lines
7.8 KiB
Bash
286 lines
7.8 KiB
Bash
#!/bin/bash
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apt_install_with_recommends() {
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apt-get update --allow-releaseinfo-change
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DEBIAN_FRONTEND=noninteractive apt-get install -y -o Dpkg::Options::=--force-confdef -o Dpkg::Options::="--force-confold" "$@"
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}
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is_supported() {
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[[ "${DOCKERBUILD:-0}" == 1 ]] && [[ "$(lsb_release -r)" =~ .*10 ]] && return 1
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return 0
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}
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is_active() {
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is_supported || return 1
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metrics_services status > /dev/null 2>&1 || return 1
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# systemctl is-active -q prometheus-node-exporter || return 1
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return 0
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}
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tmpl_metrics_enabled() {
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(
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. /usr/local/etc/library.sh
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local param_active="$(find_app_param metrics.sh ACTIVE)"
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[[ "$param_active" == yes ]] || exit 1
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)
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}
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reload_metrics_config() {
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is_supported || return 0
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install_template ncp-metrics.cfg.sh "/usr/local/etc/ncp-metrics.cfg" || {
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echo "ERROR while generating ncp-metrics.conf!"
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return 1
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}
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service ncp-metrics-exporter status > /dev/null && {
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service ncp-metrics-exporter restart
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service ncp-metrics-exporter status > /dev/null 2>&1 || {
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rc=$?
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echo -e "WARNING: An error ncp-metrics exporter failed to start (exit-code $rc)!"
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return 1
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}
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}
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}
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metrics_services() {
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cmd="${1?}"
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if [[ "$cmd" =~ (start|stop|restart|reload|status) ]]
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then
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if ! is_docker && [[ "$INIT_SYSTEM" != "systemd" ]]
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then
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echo "Probably running in chroot. Ignoring 'metrics_services $cmd'..."
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return 0
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fi
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rc1=0
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rc2=0
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service prometheus-node-exporter "$cmd" || rc1=$?
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service ncp-metrics-exporter "$cmd" || rc2=$?
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[[ $rc1 > $rc2 ]] && return $rc1
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return $rc2
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fi
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if ! [[ "$cmd" =~ (en|dis)able ]]
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then
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echo -e "ERROR: Invalid command: metrics_services ${cmd}!"
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exit 1
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fi
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if is_docker
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then
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rc1=0
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rc2=0
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update-rc.d ncp-metrics-exporter "$cmd" || rc1=$?
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update-rc.d prometheus-node-exporter "$cmd" || rc2=$?
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[[ $rc1 > $rc2 ]] && return $rc1
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return $rc2
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else
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systemctl "$cmd" prometheus-node-exporter ncp-metrics-exporter
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return $?
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fi
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}
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install() {
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# Subshell to return on failure instead of exiting (due to set -e)
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(
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set -e
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set +u
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is_supported || {
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echo -e "Metrics app is not supported in debian 10 docker containers. Installation will be skipped."
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return 0
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}
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cat > /etc/default/prometheus-node-exporter <<'EOF'
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ARGS="--collector.filesystem.ignored-mount-points=\"^/(dev|proc|run|sys|mnt|var/log|var/lib/docker)($|/)\""
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EOF
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arch="$(uname -m)"
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[[ "${arch}" =~ ^"arm" ]] && arch="armv7"
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mkdir -p /usr/local/lib/ncp-metrics
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wget -qO "/usr/local/lib/ncp-metrics/ncp-metrics-exporter" \
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"https://github.com/theCalcaholic/ncp-metrics-exporter/releases/download/v1.1.0/ncp-metrics-exporter-${arch}"
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chmod +x /usr/local/lib/ncp-metrics/ncp-metrics-exporter
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# Apply fix to init-d-script (https://salsa.debian.org/debian/sysvinit/-/commit/aa40516c)
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# Otherwise the init.d scripts of prometheus-node-exporter won't work
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# shellcheck disable=SC2016
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sed -i 's|status_of_proc "$DAEMON" "$NAME" ${PIDFILE:="-p ${PIDFILE}"}|status_of_proc ${PIDFILE:+-p "$PIDFILE"} "$DAEMON" "$NAME"|' /lib/init/init-d-script
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if is_docker
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then
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# during installation of prometheus-node-exporter `useradd` is used to create a user.
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# However, `useradd` doesn't the symlink in /etc/shadow, so we need to temporarily move it back
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restore_shadow=true
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[[ -L /etc/shadow ]] || restore_shadow=false
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[[ "$restore_shadow" == "false" ]] || {
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trap "mv /etc/shadow /data/etc/shadow; ln -s /data/etc/shadow /etc/shadow" EXIT
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rm /etc/shadow
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cp /data/etc/shadow /etc/shadow
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}
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apt_install_with_recommends prometheus-node-exporter
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[[ "$restore_shadow" == "false" ]] || {
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mv /etc/shadow /data/etc/shadow
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ln -s /data/etc/shadow /etc/shadow
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}
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trap - EXIT
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else
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apt_install_with_recommends prometheus-node-exporter
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fi
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if is_docker
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then
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cat > /etc/init.d/ncp-metrics-exporter <<'EOF'
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#!/bin/sh
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# Generated by sysd2v v0.3 -- http://www.trek.eu.org/devel/sysd2v
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# kFreeBSD do not accept scripts as interpreters, using #!/bin/sh and sourcing.
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if [ true != "$INIT_D_SCRIPT_SOURCED" ] ; then
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set "$0" "$@"; INIT_D_SCRIPT_SOURCED=true . /lib/init/init-d-script
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fi
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### BEGIN INIT INFO
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# Provides: ncp-metrics-exporter
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# Required-Start: $remote_fs
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# Required-Stop: $remote_fs
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# Default-Start: 2 3 4 5
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# Default-Stop: 0 1 6
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# Description: NCP Metrics Exporter
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### END INIT INFO
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set -a
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NCP_CONFIG_DIR=/usr/local/etc
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set +a
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NAME=ncp-exporter
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DAEMON=/usr/local/lib/ncp-metrics/ncp-metrics-exporter
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PIDFILE=/var/run/ncp-metrics-exporter.pid
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LOGFILE=/var/log/ncp-metrics.log
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START_ARGS="--background --make-pidfile"
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EOF
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chmod +x /etc/init.d/ncp-metrics-exporter
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update-rc.d ncp-metrics-exporter defaults
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cat > /etc/services-available.d/101ncp-metrics <<EOF
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#!/bin/bash
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source /usr/local/etc/library.sh
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[[ "\$1" == "stop" ]] && {
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echo "stopping prometheus-node-exporter..."
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service prometheus-node-exporter stop
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echo "done."
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echo "stopping ncp-metrics-exporter"
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service ncp-metrics-exporter stop
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echo "done."
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exit 0
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}
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persistent_cfg /etc/default/prometheus-node-exporter
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echo "starting prometheus-node-exporter..."
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service prometheus-node-exporter start
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[[ -n "\$(pgrep prometheus)" ]] || echo -e "ERROR: prometheus-node-exporter failed to start!"
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echo "starting ncp-metrics-exporter
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service ncp-metrics-exporter start
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EOF
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chmod +x /etc/services-available.d/101ncp-metrics
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else #=> if not is_docker
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cat <<EOF > /etc/systemd/system/ncp-metrics-exporter.service
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[Unit]
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Description=NCP Metrics Exporter
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[Service]
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Environment=NCP_CONFIG_DIR=/usr/local/etc
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ExecStart=/usr/local/lib/ncp-metrics/ncp-metrics-exporter
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SyslogIdentifier=ncp-metrics
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Restart=on-failure
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RestartSec=30
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[Install]
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WantedBy=multi-user.target
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EOF
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systemctl daemon-reload
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fi
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metrics_services stop
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metrics_services disable
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)
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}
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configure() {
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set +u
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if [[ "$ACTIVE" != yes ]]
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then
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install_template nextcloud.conf.sh /etc/apache2/sites-available/nextcloud.conf || {
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install_template nextcloud.conf.sh /etc/apache2/sites-available/nextcloud.conf --allow-fallback
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echo -e "ERROR while generating nextcloud.conf! Exiting..."
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return 1
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}
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echo "Disabling and stopping services..."
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metrics_services disable
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metrics_services stop
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echo "done."
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else
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is_supported || {
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echo -e "Metrics app is not supported in debian 10 docker containers. Terminating..."
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return 0
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}
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[[ -n "$USER" ]] || {
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echo -e "ERROR: User can not be empty!" >&2
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return 1
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}
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if [[ "$METRICS_SKIP_PASSWORD_CONFIG" != "true" ]]
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then
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[[ -n "$PASSWORD" ]] || {
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echo -e "ERROR: Password can not be empty!" >&2
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return 1
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}
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[[ ${#PASSWORD} -ge 10 ]] || {
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echo -e "ERROR: Password must be at least 10 characters long!" >&2
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return 1
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}
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local htpasswd_file="/usr/local/etc/metrics.htpasswd"
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rm -f "${htpasswd_file}"
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echo "$PASSWORD" | htpasswd -ciB "${htpasswd_file}" "$USER"
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fi
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echo "Generate config..."
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reload_metrics_config
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echo "done."
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echo "Enabling and starting services..."
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metrics_services enable
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metrics_services start
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metrics_services status || {
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echo -e "ERROR: Metrics services not running!"
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return 1
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}
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echo "done."
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install_template nextcloud.conf.sh /etc/apache2/sites-available/nextcloud.conf || {
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install_template nextcloud.conf.sh /etc/apache2/sites-available/nextcloud.conf --allow-fallback
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echo -e "ERROR while generating nextcloud.conf! Exiting..."
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return 1
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}
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echo "Metrics endpoint enabled. You can test it at https://nextcloudpi.local/metrics/system and https://nextcloudpi.local/metrics/ncp (or under your NC domain under the same paths)"
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fi
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bash -c "sleep 2 && service apache2 reload" &>/dev/null &
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}
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