Merge pull request #525 from ungleich/daemontools

new type: __daemontools_service

cdist/conf/type/__daemontools/files/init.d-svscan

@@ -0,0 +1,63 @@
+#!/bin/bash
+### BEGIN INIT INFO
+# Provides:          svscan
+# Required-Start:
+# Required-Stop:
+# Default-Start:     2 3 4 5
+# Default-Stop:      0 1 6
+# Short-Description: svscan
+# Description:       djb svscan
+### END INIT INFO
+# from https://gist.githubusercontent.com/pacojp/5766990/raw/2ed009ab19515afc9e58291b636d673c5ca864b3/init.d.svscan
+# written by Adam McKenna <adam@debian.org>
+# edited by Kamila Součková <kamila@ksp.sk>
+
+export PATH=$PATH:/usr/local/bin
+
+l=/var/log/svscan
+
+if [ ! -d $l ]; then
+  mkdir $l
+  chown daemon $l
+fi
+
+case "$1" in
+    start)
+        echo -n "Starting daemontools: "
+        if [ ! `pidof svscan` ]; then
+                echo -n "svscan "
+                env - PATH="$PATH" svscan /service 2>&1 | setuidgid daemon multilog t /var/log/svscan &
+                echo "."
+        else
+                echo "already running."
+        fi
+        ;;
+    stop)
+        echo -n "Stopping daemontools: "
+        if [ `pidof svscan` ]; then
+                echo -n "svscan"
+                while [ `pidof svscan` ]; do
+                     kill `pidof svscan`
+                     echo -n "."
+                done
+        fi
+        echo -n " services"
+        for i in `ls -d /service/*`; do
+                svc -dx $i
+                echo -n "."
+        done
+        echo -n " logging "
+        for i in `ls -d /service/*/log`; do
+                svc -dx $i
+                echo -n "."
+        done
+        echo ""
+        ;;
+    restart|force-reload)
+        $0 stop
+        $0 start
+        ;;
+    *)
+        echo 'Usage: /etc/init.d/svscan {start|stop|restart|force-reload}'
+        exit 1
+esac

cdist/conf/type/__daemontools/man.rst

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+cdist-type__daemontools(7)
+==========================
+
+NAME
+----
+cdist-type__daemontools - Install daemontools
+
+
+DESCRIPTION
+-----------
+Install djb daemontools and (optionally) an init script.
+
+
+REQUIRED PARAMETERS
+-------------------
+None.
+
+
+OPTIONAL PARAMETERS
+-------------------
+from-package
+   Package to install. Must be compatible with the original daemontools. Example: daemontools-encore. Default: daemontools.
+
+BOOLEAN PARAMETERS
+------------------
+install-init-script
+   Add an init script and set it to start on boot. Default yes.
+
+EXAMPLES
+--------
+
+.. code-block:: sh
+
+    __daemontools --from-package daemontools-encore  # if you prefer
+
+SEE ALSO
+--------
+:strong:`cdist-type__daemontools_service`\ (7)
+
+AUTHORS
+-------
+Kamila Součková <kamila--@--ksp.sk>
+
+COPYING
+-------
+Copyright \(C) 2017 Kamila Součková. You can redistribute it
+and/or modify it under the terms of the GNU General Public License as
+published by the Free Software Foundation, either version 3 of the
+License, or (at your option) any later version.

cdist/conf/type/__daemontools/manifest

@@ -0,0 +1,20 @@
+#!/bin/sh
+
+pkg=$(cat "$__object/parameter/from-package")
+
+__package $pkg
+
+if [ -f "$__object/parameter/install-init-script" ]; then
+	init=$(cat "$__global/explorer/init")
+	case $init in
+		init)
+			__config_file /etc/init.d/svscan --mode 755 --source "$__type/files/init.d-svscan"
+			require="$require __config_file/etc/init.d/svscan" __start_on_boot svscan
+			require="$require __start_on_boot/svscan" __process svscan --start 'service svscan start'
+		;;
+		*)
+			echo "Your init system ($init) is not supported by this type. Submit a patch at github.com/ungleich/cdist!"
+			exit 1
+		;;
+	esac
+fi

cdist/conf/type/__daemontools/parameter/boolean

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+install-init-script

cdist/conf/type/__daemontools/parameter/default/from-package

@@ -0,0 +1 @@
+daemontools

cdist/conf/type/__daemontools/parameter/optional

@@ -0,0 +1 @@
+from-package

cdist/conf/type/__daemontools_service/explorer/svc

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+command -v svc

cdist/conf/type/__daemontools_service/man.rst

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+cdist-type__daemontools_service(7)
+==================================
+
+NAME
+----
+cdist-type__daemontools_service - Create a daemontools-compatible service dir.
+
+
+DESCRIPTION
+-----------
+Create a directory structure compatible with daemontools-like service management.
+
+Note that svc must be present on the target system.
+
+The object ID will be used as the service name.
+
+REQUIRED PARAMETERS
+-------------------
+None.
+
+OPTIONAL PARAMETERS
+-------------------
+run
+   Command to run. exec-ing and stderr redirection will be added. One of run, run-file must be specified.
+
+   Example: `my-program`
+
+run-file
+   File to save as <servicedir>/run. One of run, run-file must be specified.
+
+   Example:
+
+.. code-block:: sh
+
+    #!/bin/sh
+    exec 2>&1
+    exec my_program
+
+
+log-run
+   Command to run for log consumption. Default: `multilog t ./main`
+
+servicedir
+   Directory to install into. Default: `/service`
+
+BOOLEAN PARAMETERS
+------------------
+None.
+
+EXAMPLES
+--------
+
+.. code-block:: sh
+
+    require="__daemontools" __daemontools_service prometheus --run "setuidgid prometheus $GOBIN/prometheus $FLAGS"
+
+
+SEE ALSO
+--------
+:strong:`cdist-type__daemontools`\ (7)
+
+
+AUTHORS
+-------
+Kamila Součková <kamila--@--ksp.sk>
+
+COPYING
+-------
+Copyright \(C) 2017 Kamila Součková. You can redistribute it
+and/or modify it under the terms of the GNU General Public License as
+published by the Free Software Foundation, either version 3 of the
+License, or (at your option) any later version.

cdist/conf/type/__daemontools_service/manifest

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+#!/bin/sh
+
+RUN_PREFIX="#!/bin/sh
+exec 2>&1
+exec "  # mind the space :D
+
+name=$__object_id
+servicedir=$(cat "$__object/parameter/servicedir")
+run=$(cat "$__object/parameter/run")
+runfile=$(cat "$__object/parameter/run-file")
+logrun=$(cat "$__object/parameter/log-run")
+
+svc=$(cat "$__type/explorer/svc")
+
+if [ -z "$svc" ]; then
+	echo "svc not found! Install daemontools first: see __daemontools"
+	exit 1
+fi
+
+badusage() {
+	echo "__daemontools_service/$__object_id: exactly one of --run, --run-file must be set" >&2
+	exit 1
+}
+
+[ -z "$run$runfile" ] && badusage
+[ -n "$run" ] && [ -n "$runfile" ] && badusage
+
+__directory $servicedir/$name/log/main --parents
+
+echo "$RUN_PREFIX$run" | require="__directory/$servicedir/$name/log/main" __config_file "$servicedir/$name/run" \
+	--onchange "svc -t '$servicedir/$name' 2>/dev/null" \
+	--mode 755 \
+	--source "${runfile:--}"
+
+echo "$RUN_PREFIX$logrun" | require="__directory/$servicedir/$name/log/main" __config_file $servicedir/$name/log/run \
+	--onchange "svc -t '$servicedir/$name/log' 2>/dev/null" \
+	--mode 755 \
+	--source "-"

cdist/conf/type/__daemontools_service/parameter/default/log-run

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+multilog t ./main

cdist/conf/type/__daemontools_service/parameter/default/servicedir

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+/service

cdist/conf/type/__daemontools_service/parameter/optional

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+log-run
+run
+run-file
+servicedir