From c3e5a5d1887e41c6b6c532d1de7d3581e33b8e54 Mon Sep 17 00:00:00 2001
From: Emmanuel Viennet <emmanuel.viennet@gmail.com>
Date: Fri, 28 May 2021 22:24:37 +0200
Subject: [PATCH] Systemd script for Debian 9 or 10, with postgresql 11 or not.

---
 config/config.sh            |  2 ++
 config/configure_systemd.sh |  8 +++++++-
 config/etc/scodoc.service   | 14 ++++++++------
 config/install_debian10.sh  |  4 +---
 4 files changed, 18 insertions(+), 10 deletions(-)

diff --git a/config/config.sh b/config/config.sh
index 07f684c1..4c5e288c 100644
--- a/config/config.sh
+++ b/config/config.sh
@@ -34,9 +34,11 @@ export POSTGRES_USER=www-data
 if [ "${debian_version}" = "10" ]
 then
  PSQL=/usr/lib/postgresql/11/bin/psql
+ export POSTGRES_SERVICE="postgresql@11-main.service"
 elif [ "${debian_version}" = "9" ]
 then
  PSQL=/usr/lib/postgresql/9.6/bin/psql
+ export POSTGRES_SERVICE="postgresql"
 elif [ "${debian_version}" = "8" ] 
 then
  PSQL=/usr/lib/postgresql/9.4/bin/psql
diff --git a/config/configure_systemd.sh b/config/configure_systemd.sh
index ed0b0d4f..f1a2d9b2 100755
--- a/config/configure_systemd.sh
+++ b/config/configure_systemd.sh
@@ -8,7 +8,13 @@ source utils.sh
 check_uid_root $0
 
 echo 'Installation du demarrage automatique de ScoDoc (systemd)'
-cp $SCODOC_DIR/config/etc/scodoc.service /etc/systemd/system
+
+# La variable POSTGRES_SERVICE doit être positionnée dans config.sh
+# suivant la version de Debian et de postgresql
+[ -z "${POSTGRES_SERVICE}" ] && die "incompatible Debian version"
+
+cat "$SCODOC_DIR/config/etc/scodoc.service" | sed 's/{{postgresql}}/'"${POSTGRES_SERVICE}"'/g' > /etc/systemd/system/scodoc.service
+
 systemctl enable scodoc.service
 
 echo "A partir de maintenant, utiliser"
diff --git a/config/etc/scodoc.service b/config/etc/scodoc.service
index 89a63e13..c91c3f08 100644
--- a/config/etc/scodoc.service
+++ b/config/etc/scodoc.service
@@ -1,13 +1,15 @@
 # ScoDoc7 service 
 #  Zope based
-#  Depends on postgresql
-#  => is restarted when postgresql restarts
+#  Depends on {{postgresql}} (replaced by installation script by 
+#    postgresql@11-main.service on Debian 10
+#    postgresql on Debian <= 9
+#  => is restarted when {{postgresql}} restarts
 #
 [Unit]
 Description=ScoDoc 7 service
-After=network.target postgresql
-Requires=postgresql
-PartOf=postgresql
+After=network.target {{postgresql}}
+Requires={{postgresql}}
+PartOf={{postgresql}}
 StartLimitIntervalSec=0
 
 [Service]
@@ -21,4 +23,4 @@ ExecStop=/opt/scodoc/bin/zopectl stop
 ExecReload=/opt/scodoc/bin/zopectl restart
 
 [Install]
-WantedBy=postgresql
+WantedBy={{postgresql}}
diff --git a/config/install_debian10.sh b/config/install_debian10.sh
index 3494d793..8d2bdb32 100755
--- a/config/install_debian10.sh
+++ b/config/install_debian10.sh
@@ -220,9 +220,7 @@ read ans
 if [ "$(norm_ans "$ans")" != 'N' ]
 then
     # ScoDoc 7.19+ uses systemd
-    echo 'Installation du demarrage automatique de ScoDoc (systemd)'
-    cp $SCODOC_DIR/config/etc/scodoc.service /etc/systemd/system
-    systemctl enable scodoc.service
+    $SCODOC_DIR/config/configure_systemd.sh
 fi