From b7db03be7651cf59ea7df5cfecb6b14f6f86b8b4 Mon Sep 17 00:00:00 2001
From: philippe lhardy <philippe.lhardy@astrolabe.coop>
Date: Mon, 18 Aug 2025 09:46:24 +0200
Subject: [PATCH] database migration from sqlite to postgres

Signed-off-by: philippe lhardy <philippe.lhardy@astrolabe.coop>
---
 nextcloud_devenv/README.md                    |  5 +++-
 nextcloud_devenv/backup_sql.sh                | 13 ++++++++
 nextcloud_devenv/config_db_query.sh           | 15 ++++++++++
 nextcloud_devenv/get_dbcontent.sh             | 30 ++++++++++++++++---
 .../migrate_db_sqlite2postgres.sh             | 24 +++++++++++++++
 5 files changed, 82 insertions(+), 5 deletions(-)
 create mode 100755 nextcloud_devenv/backup_sql.sh
 create mode 100644 nextcloud_devenv/config_db_query.sh
 create mode 100755 nextcloud_devenv/migrate_db_sqlite2postgres.sh

diff --git a/nextcloud_devenv/README.md b/nextcloud_devenv/README.md
index 5849874..2bdcf3c 100644
--- a/nextcloud_devenv/README.md
+++ b/nextcloud_devenv/README.md
@@ -59,4 +59,7 @@ et a activer l'application polls
 
 # A Faire
 
-utiliser la base de donnee postgres et non le SQLLite ?
\ No newline at end of file
+utiliser la base de donnee postgres et non le SQLLite ?
+
+./migrate_db_sqlite2postgres.sh
+
diff --git a/nextcloud_devenv/backup_sql.sh b/nextcloud_devenv/backup_sql.sh
new file mode 100755
index 0000000..b6adc72
--- /dev/null
+++ b/nextcloud_devenv/backup_sql.sh
@@ -0,0 +1,13 @@
+#!/bin/bash
+
+date
+
+pg_dump=pg_dump
+
+application=nextcloud
+BACKUP_ROOT_DIR=
+DATABASE=nextcloud_dev
+SQL_BACKUP_PATH="${BACKUP_ROOT_DIR}sql-${application}-$(date -Im).bak" && sudo -u postgres $pg_dump -p 5432 -F c $DATABASE | tee "$SQL_BACKUP_PATH" >/dev/null
+echo "$application postgres backup is in $SQL_BACKUP_PATH"
+
+date
diff --git a/nextcloud_devenv/config_db_query.sh b/nextcloud_devenv/config_db_query.sh
new file mode 100644
index 0000000..140a395
--- /dev/null
+++ b/nextcloud_devenv/config_db_query.sh
@@ -0,0 +1,15 @@
+
+query_password "database password :" password
+
+if [[ -z $password ]]
+then
+    log_error "Missing password"
+    exit 1
+fi
+
+flavor=dev
+
+database_name=nextcloud_$flavor
+username=nextcloud_$flavor
+db_port=5432
+db_hostname=127.0.0.1
diff --git a/nextcloud_devenv/get_dbcontent.sh b/nextcloud_devenv/get_dbcontent.sh
index 8c6c7b6..127a4f3 100755
--- a/nextcloud_devenv/get_dbcontent.sh
+++ b/nextcloud_devenv/get_dbcontent.sh
@@ -7,7 +7,29 @@ bind_folder=$(pwd)/$rel_bind_folder
 
 timestamp=$(get_timestamp_second)
 
-database_file=/data/owncloud.db
-database_dest=nextcloud.${timestamp}.db
-$defer sudo cp ${bind_folder}${database_file} ${database_dest}
-$defer sudo chown $(id -u):$(id -g) ${database_dest}
+getsqlite()
+{
+    database_file=/data/owncloud.db
+    database_dest=nextcloud.${timestamp}.db
+    $defer sudo cp ${bind_folder}${database_file} ${database_dest}
+    $defer sudo chown $(id -u):$(id -g) ${database_dest}
+}
+
+getmysql()
+{
+    BACKUP_FILE=nextcloud.${timestamp}.mysql
+    database_dest=nextcloud.${timestamp}.db
+    ssh ${SSH_URL} 'mysqldump -u adminmyweb -p nextcloud --single-transaction --quick --lock-tables=false' | cat > ${BACKUP_FILE}
+}
+
+getpostgresql()
+{
+    ./backup_sql.sh
+}
+
+
+
+log_warn "NO check if sqlite was migrated... so might get unused information"
+
+getsqlite
+getpostgresql
diff --git a/nextcloud_devenv/migrate_db_sqlite2postgres.sh b/nextcloud_devenv/migrate_db_sqlite2postgres.sh
new file mode 100755
index 0000000..994e681
--- /dev/null
+++ b/nextcloud_devenv/migrate_db_sqlite2postgres.sh
@@ -0,0 +1,24 @@
+#!/bin/bash
+
+source lib/metascript.sh
+
+defaultmetainit $@
+
+rel_bind_folder=bind_folder
+bind_folder=$(pwd)/$rel_bind_folder
+
+$defer ./get_dbcontent.sh
+
+# $defer ./setupdatabase.sh
+
+log_info "See https://docs.nextcloud.com/server/latest/admin_manual/configuration_database/db_conversion.html"
+
+source ./config_db_query.sh
+
+# convert localhost of host into container virtual brdige hostname mapping 
+#db_hostname=host.docker.internal
+#db_hostname=host.containers.internal
+# host loopback mapped address
+db_hostname=10.1.1.13
+
+$defer ./run_occ.sh db:convert-type --password="$password" --port="$db_port" --all-apps pgsql "$username" "$db_hostname" "$database_name"