From 25d4879815125aab2e80dbc75ce1ba1deb2106c6 Mon Sep 17 00:00:00 2001
From: Étienne Loks <etienne.loks@iggdrasil.net>
Date: Mon, 22 Jul 2019 17:15:16 +0200
Subject: Monit template for celery

---
 install/ishtar-install          |  1 +
 install/ishtar-prepare-instance | 20 ++++++++++++++++++++
 install/monit.template          |  5 +++++
 3 files changed, 26 insertions(+)
 create mode 100644 install/monit.template

diff --git a/install/ishtar-install b/install/ishtar-install
index 050e340a8..97e1b02c6 100755
--- a/install/ishtar-install
+++ b/install/ishtar-install
@@ -492,6 +492,7 @@ EOF
                     mkdir -p /var/log/celery/
                     mkdir -p /var/run/celery/
                     chown www-data:www-data /var/log/celery/ /var/run/celery/
+                    mkdir -p /etc/monit/conf-available/
                 fi
 
                 echo "-------------------------------------------------------------------------------";
diff --git a/install/ishtar-prepare-instance b/install/ishtar-prepare-instance
index bd235d5a2..59aa2f0e2 100755
--- a/install/ishtar-prepare-instance
+++ b/install/ishtar-prepare-instance
@@ -279,6 +279,9 @@ EOF
         sed -s "s|example_project|$INSTANCE|g;" \
             $INSTANCE"/celery_app.py.sample" > \
             $INSTANCE"/celery_app.py"
+        sed -s "s|#APP_NAME#|$INSTANCE|g;" \
+            "install/monit.template" > \
+            "/etc/monit/conf-available/celery-"$INSTANCE
         systemctl daemon-reload
     fi
 
@@ -411,6 +414,23 @@ EOF
     echo ""
     echo "  And then enjoy ishtar!"
     echo ""
+
+    if [ -v USE_CELERY ]; then
+        cat >&2 <<-'EOF'
+
+    If you use monit a configuration file has been generated for the celery
+    daemon:
+EOF
+        cecho g "/etc/monit/conf-available/celery-"$INSTANCE
+        cat >&2 <<-'EOF'
+
+    To activate it:
+EOF
+        cecho y "ln -s /etc/monit/conf-available/celery-"$INSTANCE" \\"
+        cecho y "      /etc/monit/conf-enabled/celery-"$INSTANCE
+        cecho y "systemctl restart monit"
+    fi
+
 }
 
 do_install_instance
diff --git a/install/monit.template b/install/monit.template
new file mode 100644
index 000000000..a791927f5
--- /dev/null
+++ b/install/monit.template
@@ -0,0 +1,5 @@
+check program celery-#APP_NAME# with path "/bin/systemctl --quiet is-active celery-#APP_NAME#"
+    start program  "/bin/systemctl --quiet start celery-#APP_NAME#"
+    stop program  "/bin/systemctl --quiet stop celery-#APP_NAME#"
+    if status != 0 then restart
+    if 5 restarts within 5 cycles then timeout
-- 
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