From c0506f26e09eb2bf334b9b1b0cfc3c301ae2ece0 Mon Sep 17 00:00:00 2001
From: "M.Goldshteyn" <mikeal09@yandex.ru>
Date: Fri, 6 Sep 2024 09:14:15 +0300
Subject: [PATCH] restore

---
 config.txt            |  5 ++---
 create_db.sh          |  3 ++-
 create_db.sh.template |  3 +++
 migration.sh          | 45 ++++++++++++++++++++++++++++++-------------
 task.txt              |  8 ++++----
 5 files changed, 43 insertions(+), 21 deletions(-)

diff --git a/config.txt b/config.txt
index 0c308d6..ee8e597 100644
--- a/config.txt
+++ b/config.txt
@@ -23,12 +23,11 @@ SOURCE_DB_PASSWORD=anna5kanna
 #Имя БД на исходном сервере
 SOURCE_DB_NAME=mynewdb
 
-#Имя БД на локальном сервере
-DESTINATION_DB_NAME=locality409
-
 #Номер evt на исходном сервере
 SOURCE_EVT=evt4
 
+#Имя БД на локалке. Будет создана БД с таким именем
+DESTINATION_DB_NAME=locality409
 
 ###############################################
 
diff --git a/create_db.sh b/create_db.sh
index 7403739..c7570be 100644
--- a/create_db.sh
+++ b/create_db.sh
@@ -7,4 +7,5 @@ su - postgres -c "PGPASSWORD=\"anna5kanna\" psql -U postgres  -c \"create databa
    LC_COLLATE = 'ru_RU.UTF-8'
    LC_CTYPE = 'ru_RU.UTF-8'
    TEMPLATE = template0
-   CONNECTION LIMIT = -1;\""
\ No newline at end of file
+   CONNECTION LIMIT = -1;\""
+
diff --git a/create_db.sh.template b/create_db.sh.template
index 5e099ff..8d21803 100644
--- a/create_db.sh.template
+++ b/create_db.sh.template
@@ -9,3 +9,6 @@ su - postgres -c "PGPASSWORD=\"DESTINATION_POSTGRES_PASSWORD\" psql -U postgres
    TEMPLATE = template0
    CONNECTION LIMIT = -1;\""
 
+
+set "PGPASSWORD=\"DESTINATION_POSTGRES_PASSWORD\""
+su - postgres -c "pg_restore -j 2 -d DESTINATION_DB_NAME Backup_name"
\ No newline at end of file
diff --git a/migration.sh b/migration.sh
index 1a5c694..cdef31d 100644
--- a/migration.sh
+++ b/migration.sh
@@ -11,29 +11,45 @@ echo $DATE
 systemctl is-active --quiet platform5.service && systemctl stop platform5
 systemctl is-active --quiet platform6.service && systemctl stop platform6
 
+Backup_name=$SOURCE_DB_NAME.migration.$DATE.sql
+echo "backup name:" $Backup_name
 db_backup() {
-  echo EVENT_STORE=$EVENT_STORE
-  if [[ "$EVENT_STORE" == 0 ]]; then
-    echo Making backup without event_store
-    PGPASSWORD="$SOURCE_DB_PASSWORD" pg_dump  -Fc -T event_store -U postgres  $SOURCE_DB_NAME  > /var/backups/$SOURCE_DB_NAME.migration.$DATE.sql
-  elif [[ "$EVENT_STORE" == 1 ]]; then
-    echo Making backup with event_store
-    PGPASSWORD="$SOURCE_DB_PASSWORD" pg_dump  -Fc -U postgres  $SOURCE_DB_NAME  > /var/backups/$SOURCE_DB_NAME.migration.$DATE.sql
-  elif [[ "$EVENT_STORE" == 2 ]]; then
-    echo "Не делаем бэкап"
-  else echo "EVENT_STORE value must be 0 or 1" && exit
-  fi
+    echo EVENT_STORE=$EVENT_STORE
+    if [[ "$EVENT_STORE" == 0 ]]; then
+      echo Making backup without event_store
+      PGPASSWORD="$SOURCE_DB_PASSWORD" pg_dump  -Fc -T event_store -U postgres  $SOURCE_DB_NAME  > /var/backups/$SOURCE_DB_NAME.migration.$DATE.sql
+    elif [[ "$EVENT_STORE" == 1 ]]; then
+      echo Making backup with event_store
+      PGPASSWORD="$SOURCE_DB_PASSWORD" pg_dump  -Fc -U postgres  $SOURCE_DB_NAME  > /var/backups/$SOURCE_DB_NAME.migration.$DATE.sql
+    elif [[ "$EVENT_STORE" == 2 ]]; then
+      echo "don't make db backup"
+    else echo "EVENT_STORE value must be 0 or 1 or 2" && exit
+    fi
 }
-send_backup(){
+send_backup() {
     if [[ "$EVENT_STORE" == 0 ]] or [[ "$EVENT_STORE" == 1 ]]; then
       echo "send dump to the destination"
       echo Sending db backup to destination server
       cd /var/backups/ && yes |  sshpass -p "$DESTINATION_DATABASE_PASSWORD" scp  -P $DESTINATION_DATABASE_PORT -o StrictHostKeyChecking=no  $SOURCE_DB_NAME.migration.$DATE.sql $DESTINATION_DATABASE_USER@$DESTINATION_DATABASE_IP:~/
       cd -
     else echo "no backup, nothing to send" && exit
+    fi
+}
+create_db() {
+    sed -e "s/DESTINATION_DB_NAME/${DESTINATION_DB_NAME}/" \
+        -e "s/DESTINATION_POSTGRES_PASSWORD/${DESTINATION_POSTGRES_PASSWORD}/"\
+        create_db.sh.template > create_db.sh
+
+    sshpass -p "$DESTINATION_DATABASE_PASSWORD" ssh -p $DESTINATION_DATABASE_PORT $DESTINATION_DATABASE_USER@$DESTINATION_DATABASE_IP 'bash -s' < create_db.sh
 }
+#restore_db(){
+#    if [[ "$EVENT_STORE" == 0 ]] or [[ "$EVENT_STORE" == 1 ]]; then
+#    fi
+#}
 db_backup
 send_backup
+create_db
+#restore_db
 
 evt_full_rsync(){
   echo "send $SOURCE_EVT to the destination"
@@ -61,7 +77,7 @@ fonts_rsync(){
   elif [[ "$EVT_COMMON" == 2 ]]; then
     echo "Не скачиваю ничего из storage"
     evt_full_rsync
-  else echo "EVENT_COMMON value must be 0 or 1 o 2" && exit
+  else echo "EVENT_COMMON value must be 0 or 1 or 2" && exit
   fi
 
 
@@ -78,3 +94,6 @@ sshpass -p "$DESTINATION_DATABASE_PASSWORD" ssh -p $DESTINATION_DATABASE_PORT $D
 #evt_full_rsync
 #evt_common_files_rsync
 #fonts_rsync
+
+systemctl is-active --quiet platform5.service && systemctl start platform5
+systemctl is-active --quiet platform6.service && systemctl start platform6
\ No newline at end of file
diff --git a/task.txt b/task.txt
index 4a0da13..4ede29b 100644
--- a/task.txt
+++ b/task.txt
@@ -1,11 +1,11 @@
 
 
 
-1.  Стоп сервера
-2.  Снятие дампа (с евент стором/без евент стора)
++1.  Стоп сервера
++2.  Снятие дампа (с евент стором/без евент стора)
 
-5.  Отправка его на удаленный сервер/стянуть с удаленного сервера
-6.  Создание базы
++5.  Отправка его на удаленный сервер
++6.  Создание базы
 7.  Вотсановление дампа