From 9dc61f9132a7c4ac4a4d067cdd48efb7c28de102 Mon Sep 17 00:00:00 2001
From: Eric Wong <e@80x24.org>
Date: Mon, 13 Jun 2016 04:53:30 +0000
Subject: examples: systemd socket and service definitions for daemons

Since our daemons are built to take advantage of socket activation,
provide example files to allow systems administrators to hit the
ground running with systemd.

Example init files for other systems greatly appreciated.
---
 examples/public-inbox-httpd.socket   | 10 ++++++++++
 examples/public-inbox-httpd@.service | 29 +++++++++++++++++++++++++++++
 examples/public-inbox-nntpd.socket   | 10 ++++++++++
 examples/public-inbox-nntpd@.service | 31 +++++++++++++++++++++++++++++++
 4 files changed, 80 insertions(+)
 create mode 100644 examples/public-inbox-httpd.socket
 create mode 100644 examples/public-inbox-httpd@.service
 create mode 100644 examples/public-inbox-nntpd.socket
 create mode 100644 examples/public-inbox-nntpd@.service

diff --git a/examples/public-inbox-httpd.socket b/examples/public-inbox-httpd.socket
new file mode 100644
index 00000000..da37aec9
--- /dev/null
+++ b/examples/public-inbox-httpd.socket
@@ -0,0 +1,10 @@
+# ==> /etc/systemd/system/public-inbox-httpd.socket <==
+[Unit]
+Description = public-inbox-httpd socket
+
+[Socket]
+ListenStream = 127.0.0.1:280
+Service = public-inbox-httpd@1.service
+
+[Install]
+WantedBy = sockets.target
diff --git a/examples/public-inbox-httpd@.service b/examples/public-inbox-httpd@.service
new file mode 100644
index 00000000..3bb70726
--- /dev/null
+++ b/examples/public-inbox-httpd@.service
@@ -0,0 +1,29 @@
+# ==> /etc/systemd/system/public-inbox-httpd@.service <==
+# Since SIGUSR2 upgrades do not work under systemd, this service file
+# allows starting two simultaneous services during upgrade time
+# (e.g. public-inbox-httpd@1 public-inbox-httpd@2) with the intention
+# that they take turns running in-between upgrades.  This should
+# allow upgrading without downtime.
+
+[Unit]
+Description = public-inbox PSGI server %i
+Wants = public-inbox-httpd.socket
+After = public-inbox-httpd.socket
+
+[Service]
+Environment = PI_CONFIG=/home/pi/.public-inbox/config \
+PATH=/usr/local/bin:/usr/bin:/bin \
+PERL_INLINE_DIRECTORY=/tmp/.pub-inline
+
+LimitNOFILE = 30000
+ExecStartPre = /bin/mkdir -p -m 1777 /tmp/.pub-inline
+ExecStart = /usr/local/bin/public-inbox-httpd
+Sockets = public-inbox-httpd.socket
+KillSignal = SIGQUIT
+User = nobody
+Group = nogroup
+ExecReload = /bin/kill -HUP $MAINPID
+TimeoutStopSec = 3600
+
+[Install]
+WantedBy = multi-user.target
diff --git a/examples/public-inbox-nntpd.socket b/examples/public-inbox-nntpd.socket
new file mode 100644
index 00000000..eeddf343
--- /dev/null
+++ b/examples/public-inbox-nntpd.socket
@@ -0,0 +1,10 @@
+# ==> /etc/systemd/system/public-inbox-nntpd.socket <==
+[Unit]
+Description = public-inbox-nntpd socket
+
+[Socket]
+ListenStream = 119
+Service = public-inbox-nntpd@1.service
+
+[Install]
+WantedBy = sockets.target
diff --git a/examples/public-inbox-nntpd@.service b/examples/public-inbox-nntpd@.service
new file mode 100644
index 00000000..078e920a
--- /dev/null
+++ b/examples/public-inbox-nntpd@.service
@@ -0,0 +1,31 @@
+# ==> /etc/systemd/system/public-inbox-nntpd@.service <==
+# Since SIGUSR2 upgrades do not work under systemd, this service file
+# allows starting two simultaneous services during upgrade time
+# (e.g. public-inbox-nntpd@1 public-inbox-nntpd@2) with the intention
+# that they take turns running in-between upgrades.  This should
+# allow upgrading without downtime.
+
+[Unit]
+Description = public-inbox NNTP server %i
+Wants = public-inbox-nntpd.socket
+After = public-inbox-nntpd.socket
+
+[Service]
+Environment = PI_CONFIG=/home/pi/.public-inbox/config \
+PATH=/usr/local/bin:/usr/bin:/bin \
+PERL_INLINE_DIRECTORY=/tmp/.pub-inline
+
+LimitNOFILE = 30000
+ExecStartPre = /bin/mkdir -p -m 1777 /tmp/.pub-inline
+ExecStart = /usr/local/bin/public-inbox-nntpd \
+-1 /var/log/public-inbox/nntpd.out.log \
+-2 /var/log/public-inbox/nntpd.err.log
+Sockets = public-inbox-nntpd.socket
+KillSignal = SIGQUIT
+User = nobody
+Group = nogroup
+ExecReload = /bin/kill -HUP $MAINPID
+TimeoutStopSec = 3600
+
+[Install]
+WantedBy = multi-user.target
-- 
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