Add metrics exporter service

This was still missing after adding the metrics exporter binary.

Author: tdittr

docs/examples/conf/statime-metrics-exporter.service

@@ -0,0 +1,18 @@
+[Unit]
+Description=Statime metrics exporter
+Documentation=https://github.com/pendulum-project/statime
+After=statime.service
+Requires=statime.service
+Conflicts=
+
+[Service]
+Type=simple
+Restart=always
+ExecStart=/usr/bin/statime-metrics-exporter
+Environment="RUST_LOG=info"
+RuntimeDirectory=statime-observe
+User=statime-observe
+Group=statime-observe
+
+[Install]
+WantedBy=multi-user.target

pkg/deb/postinst

@@ -4,11 +4,16 @@ set -e
 
 STATIME_HOME="/var/lib/statime/"
 STATIME_USER="statime"
+STATIME_OBSERVE_HOME="/var/lib/statime-observe/"
+STATIME_OBSERVE_USER="statime-observe"
 
 create_user() {
     if ! id ${STATIME_USER} > /dev/null 2>&1; then
         adduser --system --home "${STATIME_HOME}" --group ${STATIME_USER}
     fi
+    if ! id ${STATIME_OBSERVE_USER} > /dev/null 2>&1; then
+        adduser --system --home "${STATIME_OBSERVE_HOME}" --group ${STATIME_OBSERVE_USER}
+    fi
 }
 
 case "$1" in
@@ -33,6 +38,22 @@ if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-decon
     deb-systemd-helper update-state statime.service >/dev/null || true
 fi
 
+if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
+    if deb-systemd-helper debian-installed statime-metrics-exporter.service; then
+        # This will only remove masks created by d-s-h on package removal.
+        deb-systemd-helper unmask statime-metrics-exporter.service >/dev/null || true
+
+        if deb-systemd-helper --quiet was-enabled statime-metrics-exporter.service; then
+            # Create new symlinks, if any.
+            deb-systemd-helper enable statime-metrics-exporter.service >/dev/null || true
+        fi
+    fi
+
+    # Update the statefile to add new symlinks (if any), which need to be cleaned
+    # up on purge. Also remove old symlinks.
+    deb-systemd-helper update-state statime-metrics-exporter.service >/dev/null || true
+fi
+
 if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
 	if [ -d /run/systemd/system ]; then
 		systemctl --system daemon-reload >/dev/null || true
@@ -42,12 +63,13 @@ if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-decon
 			_dh_action=start
 		fi
 		deb-systemd-invoke $_dh_action statime.service >/dev/null || true
+		deb-systemd-invoke $_dh_action statime-metrics-exporter.service >/dev/null || true
 	fi
 
-    if [ -d /run/udev ]; then
-        udevadm control -R
-        udevadm trigger
-    fi
+  if [ -d /run/udev ]; then
+      udevadm control -R
+      udevadm trigger
+  fi
 fi
 
 #DEBHELPER#

pkg/deb/postrm

@@ -21,6 +21,7 @@ fi
 if [ "$1" = "remove" ]; then
     if [ -x "/usr/bin/deb-systemd-helper" ]; then
         deb-systemd-helper mask statime.service >/dev/null || true
+        deb-systemd-helper mask statime-metrics-exporter.service >/dev/null || true
     fi
 
     if [ -d /run/udev ]; then
@@ -33,6 +34,8 @@ if [ "$1" = "purge" ]; then
     if [ -x "/usr/bin/deb-systemd-helper" ]; then
         deb-systemd-helper purge statime.service >/dev/null || true
         deb-systemd-helper unmask statime.service >/dev/null || true
+        deb-systemd-helper purge statime-metrics-exporter.service >/dev/null || true
+        deb-systemd-helper unmask statime-metrics-exporter.service >/dev/null || true
     fi
 
     if [ -d /run/udev ]; then

pkg/deb/prerm

@@ -3,4 +3,5 @@ set -e
 
 if [ -d /run/systemd/system ] && [ "$1" = remove ]; then
     deb-systemd-invoke stop statime.service >/dev/null || true
+    deb-systemd-invoke stop statime-metrics-exporter.service >/dev/null || true
 fi

pkg/rpm/scriptlets.toml

@@ -10,6 +10,9 @@ fi
 STATIME_USER=statime
 STATIME_HOME_DIR="/var/lib/statime"
 STATIME_HOME_DIR_PERMS=700
+STATIME_OBSERVE_USER=statime-observe
+STATIME_OBSERVE_HOME_DIR="/var/lib/statime-observe"
+STATIME_OBSERVE_HOME_DIR_PERMS=700
 
 create_user() {
     if ! id ${STATIME_USER} > /dev/null 2>&1; then
@@ -22,10 +25,22 @@ create_user() {
     chown -R ${STATIME_USER}:${STATIME_USER} ${STATIME_HOME_DIR}
     # Ensure that the home directory has the correct permissions
     chmod ${STATIME_HOME_DIR_PERMS} ${STATIME_HOME_DIR}
+
+    if ! id ${STATIME_OBSERVE_USER} > /dev/null 2>&1; then
+        # According to the CentOS 7 useradd man page:
+        # --user-group causes a group by the same name as the user to be created
+        # --create-home should force creation of a home dir even for a system account.
+        useradd --home-dir ${STATIME_OBSERVE_HOME_DIR} --system --create-home --user-group ${STATIME_OBSERVE_USER}
+    fi
+    # Ensure that the home directory has the correct ownership
+    chown -R ${STATIME_OBSERVE_USER}:${STATIME_USER} ${STATIME_OBSERVE_HOME_DIR}
+    # Ensure that the home directory has the correct permissions
+    chmod ${STATIME_OBSERVE_HOME_DIR_PERMS} ${STATIME_OBSERVE_HOME_DIR}
 }
 
 init_systemd_service() {
     systemd_post statime.service
+    systemd_post statime-metrics-exporter.service
     systemd_triggers
 }
 
@@ -54,6 +69,7 @@ if [ $1 -eq 0 ] ; then
     # Package removal, not upgrade
     # Run commands equivalent to what the RPM systemd macros would do
     systemd_preun statime.service
+    systemd_preun statime-metrics-exporter.service
     systemd_triggers
 fi
 '''
@@ -65,6 +81,7 @@ post_uninstall_script = '''
 if [ $1 -ge 1 ] ; then
     # Run commands equivalent to what the RPM systemd macros would do
     systemd_postun_with_restart statime.service
+    systemd_postun_with_restart statime-metrics-exporter.service
     systemd_triggers
 fi
 

pkg/test-scripts/test-statime.sh

@@ -12,7 +12,12 @@ case $1 in
       echo -e "\nSTATIME HELP OUTPUT:"
       /usr/bin/statime --help
 
+      # Ensure deamon is present
+      echo -e "\nSTATIME METRICS EXPORTER HELP OUTPUT:"
+      /usr/bin/statime-metrics-exporter --help
+
       # # Ensure that the systemd service is not running by default
       # ! systemctl is-active statime.service --quiet
+      # ! systemctl is-active statime-metrics-exporter.service --quiet
     ;;
 esac

statime-linux/Cargo.toml

@@ -60,6 +60,7 @@ assets = [
   ["docs/examples/conf/statime.toml.default", "/etc/statime/statime.toml", "644"],
   ["docs/examples/conf/statime.preset", "/lib/systemd/system-preset/50-statime.preset", "644"],
   ["docs/examples/conf/statime.service", "/lib/systemd/system/statime.service", "644"],
+  ["docs/examples/conf/statime-metrics-exporter.service", "/lib/systemd/system/statime-metrics-exporter.service", "644"],
   ["docs/examples/conf/41-statime.rules", "/etc/udev/rules.d/41-statime.rules", "644"],
   ["../COPYRIGHT", "/usr/share/doc/statime/COPYRIGHT", "644"],
   ["../LICENSE-APACHE", "/usr/share/doc/statime/LICENSE-APACHE", "644"],
@@ -85,6 +86,7 @@ assets = [
   { source = "docs/examples/conf/statime.toml.default", dest = "/etc/statime/statime.toml", mode = "644", config = true },
   { source = "docs/examples/conf/statime.preset", dest = "/lib/systemd/system-preset/50-statime.preset", mode = "644" },
   { source = "docs/examples/conf/statime.service", dest = "/lib/systemd/system/statime.service", mode = "644" },
+  { source = "docs/examples/conf/statime-metrics-exporter.service", dest = "/lib/systemd/system/statime-metrics-exporter.service", mode = "644" },
   { source = "docs/examples/conf/41-statime.rules", dest = "/etc/udev/rules.d/41-statime.rules", mode = "644", config = true },
   { source = "../COPYRIGHT", dest = "/usr/share/doc/statime/COPYRIGHT", mode = "644", doc = true },
   { source = "../LICENSE-APACHE", dest = "/usr/share/doc/statime/LICENSE-APACHE", mode = "644", doc = true },