Revert "peertube: Empty import script"

This reverts commit 2efb2234.

software/peertube/buildout.hash.cfg

@@ -54,4 +54,4 @@ md5sum = 58d1a4fe246169dea94d7d243b4bac9e
 
 [template-peertube-restore-script]
 filename = template-peertube-restore.sh.in
-md5sum = d41d8cd98f00b204e9800998ecf8427e
+md5sum = c6971b7b2c503085abecd1999039a8f2

software/peertube/template-peertube-restore.sh.in

+#!${dash-output:dash}
+
+# DO NOT RUN THIS SCRIPT ON PRODUCTION INSTANCE
+# OR POSTGRESQL DATA WILL BE ERASED.
+
+# This script will import the dump of the postgresql database to the real
+# database. It is launched by the clone (importer) instance of theia
+# in the end of the import script.
+
+# Depending on the output, it will create a file containing
+# the status of the restoration (success or failure)
+
+die() {
+    echo "$*" 1>&2
+    exit 1
+}
+
+pg_version=$${postgresql:pgdata-directory}/PG_VERSION
+echo "Check postgresql data directory is ready"
+
+tpgwait=60
+while ! [ -e "$pg_version" ]; do
+    tpgwait=$(( $tpgwait - 1 ))
+    test $tpgwait = 0 && die "PGdata directory not ready"
+    echo "I: PGdata directory is not ready (yet ?); will retry $tpgwait times..." 1>&2
+    sleep 1
+done
+
+echo "Postgresql data directory is ready"
+# 2. Make sure the postgresql process is not running.
+# Quote from the postgresql doc:
+# > While the server is running, its PID is stored in the file postmaster.pid in the data directory.
+# https://www.postgresql.org/docs/current/server-start.html
+# which means if the postmaster.pid exist, then the postgresql is running.
+pid_file=$${postgresql:pgdata-directory}/postmaster.pid
+if [ -e "$pid_file" ]; then
+  echo "Postgresql is running, this should not happened, aborting."
+else
+  echo "Starting postgresql..."
+  $${postgresql:bin}/postgres -D $${postgresql:pgdata-directory}
+fi
+
+tpgwait=60
+while ! [ -e "$pid_file" ]; do
+    tpgwait=$(( $tpgwait - 1 ))
+    test $tpgwait = 0 && die "Can not create pid_file"
+    echo "pid_file not exist; will retry $tpgwait times..." 1>&2
+    sleep 1
+done
+
+# run psql
+psql() {
+    $${postgresql:bin}/psql \
+        -h $${postgresql:pgdata-directory}  \
+        -U $${postgresql:superuser}         \
+        -d $${postgresql:dbname}            \
+        "$@"
+}
+
+echo "Ready to check postgresql is running..."
+
+# initial db setup
+# ( first quering PG several times waiting a bit till postgresql is started and ready )
+tpgwait=10
+while true; do
+    pgtables="$(psql -c '\d' 2>&1)" && break
+    tpgwait=$(( $tpgwait - 1 ))
+    test $tpgwait = 0 && die "pg query problem"
+    echo "I: PostgreSQL is not ready (yet ?); will retry $tpgwait times..." 1>&2
+    sleep 1
+done
+echo "I: PostgreSQL ready." 1>&2
+
+# sleep 5
+
+echo "Check postgresql is running again"
+
+# Check the postgresql is running, if postgresql has stopped, abort
+if ! [ -e "$pid_file" ]; then
+  echo "postgresql exited, aborting."
+  exit 1
+fi
+
+echo "Postgresql is running, ready to restore"
+
+# Restore the database
+$${postgresql:bin}/pg_restore -h $${postgresql:pgdata-directory} -U peertube -e -c -C -d postgres $${directory:srv}/backup/peertube_prod-dump.db
+
+echo "Postgresql restore finished"
+pg_restore_pid=$!
+echo $pg_restore_pid
+wait $pg_restore_pid
+
+echo "Backup restoration successfully completed."
+
+# The database process should be stopped to allow
+#"slapos node instance" to starts the real postgresql service
+if [ -e "$pid_file" ]; then
+  echo "Stoping postgresql..."
+  pkill -9 -f "$${postgresql:bin}/postgres -D $${postgresql:pgdata-directory}"
+fi
+
+tpgwait=60
+while [ -e "$pid_file" ]; do
+    tpgwait=$(( $tpgwait - 1 ))
+    test $tpgwait = 0 && die "Pid file always exist"
+    echo "I: Pid file still exist; will retry $tpgwait times..." 1>&2
+    sleep 1
+done
+
+echo "Postgresql process killed"