From 7535298a7429cb10c9110802a0817acf16deb773 Mon Sep 17 00:00:00 2001
From: Marc Michalsky <m.michalsky@posteo.de>
Date: Mon, 23 Nov 2020 16:27:19 +0100
Subject: [PATCH] Initial commit

---
 .gitignore                               |   3 +
 Models/Backup.py                         |   0
 Models/Container.py                      |  91 +++++++++++++++++++++++
 Models/NextcloudBackupException.py       |   8 ++
 Models/__pycache__/Backup.cpython-38.pyc | Bin 0 -> 152 bytes
 README.md                                |   1 +
 backup.py                                |  61 +++++++++++++++
 example_settings.yml                     |  17 +++++
 main.py                                  |   5 ++
 requirements.txt                         |   2 +
 restore.py                               |   1 +
 upgrade.py                               |   1 +
 12 files changed, 190 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 Models/Backup.py
 create mode 100644 Models/Container.py
 create mode 100644 Models/NextcloudBackupException.py
 create mode 100644 Models/__pycache__/Backup.cpython-38.pyc
 create mode 100644 README.md
 create mode 100644 backup.py
 create mode 100644 example_settings.yml
 create mode 100644 main.py
 create mode 100644 requirements.txt
 create mode 100644 restore.py
 create mode 100644 upgrade.py

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..1ceb8e5
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,3 @@
+venv/
+.idea/
+settings.yaml
\ No newline at end of file
diff --git a/Models/Backup.py b/Models/Backup.py
new file mode 100644
index 0000000..e69de29
diff --git a/Models/Container.py b/Models/Container.py
new file mode 100644
index 0000000..87dee5a
--- /dev/null
+++ b/Models/Container.py
@@ -0,0 +1,91 @@
+import datetime
+import os
+import stat
+import tarfile
+from Models.NextcloudBackupException import NextcloudBackupException
+
+
+class Container:
+
+    def __init__(self, name, password, backup_folder, compose_file_path) -> None:
+        self.__datetime = datetime.datetime.now().strftime("%Y-%m-%d_%H:%M:%S")
+        self.name = name
+        self.__password = password
+        self.backup_folder = backup_folder
+        self.compose_file_path = compose_file_path
+        self.__dump_file = self.name + '_' + self.__datetime + '.sql'
+        self.__dump_file_path = os.path.join(self.backup_folder, self.__dump_file)
+        self.__tar_file = self.name + '_' + self.__datetime + 'tar.gz'
+        self.__tar_file_path = os.path.join(self.backup_folder, self.__tar_file)
+
+    def __str__(self) -> str:
+        return F"name: {self.name}\npassword: {self.__password}\ncompose_file_path: {self.compose_file_path}"
+
+    # Create backup folder if it does not yet exist
+    def create_backup_dir(self):
+        if not os.path.isfile(self.backup_folder):
+            try:
+                os.makedirs(self.backup_folder)
+            except OSError as e:
+                raise OSError(e)
+            return True
+        else:
+            return False
+
+    # Dump database
+    def __dump_db(self) -> bool:
+        try:
+            os.system(F"docker exec {self.name} mysqldump --password={self.__password} --all-databases > "
+                      F"{self.__dump_file}")
+            return os.path.isfile(self.__dump_file)
+        except Exception as e:
+            raise Exception(e)
+
+    # Tar config and settings folder within container and copy it into backup folder
+    def __export_config(self) -> bool:
+        try:
+            os.system(F"docker exec {self.name} tar -czf config_settings.tar config settings")
+            os.system(F"docker cp {self.name}:/var/www/html/config_settings.tar {self.__tar_file_path}")
+            os.system(F"docker exec {self.name} rm config_settings.tar")
+            return os.path.isfile(self.__tar_file_path)
+        except Exception as e:
+            raise NextcloudBackupException(e)
+
+    # Tar database with config and settings
+    def __tar_db(self) -> bool:
+        try:
+            with tarfile.open(self.__tar_file_path, 'w:gz') as tarball:
+                tarball.add(self.__dump_file_path, arcname=self.__dump_file)
+            return tarball.gettarinfo(self.__dump_file).isfile()
+        except Exception as e:
+            raise NextcloudBackupException(e)
+
+    # Set secure file permissions
+    def __set_file_permissions(self) -> bool:
+        try:
+            os.chmod(self.__tar_file_path, stat.S_IREAD)
+            return oct(os.stat(self.__tar_file_path).st_mode)[-3:] == 600
+        except Exception as e:
+            raise NextcloudBackupException(e)
+
+    # Create backup
+    def create_backup(self) -> dict:
+        try:
+            return {"database dump": self.__dump_db(),
+                    "export config": self.__export_config(),
+                    "include db in backup": self.__tar_db(),
+                    "set secure backup file permissions": self.__set_file_permissions()}
+        except NextcloudBackupException as e:
+            raise NextcloudBackupException(e)
+
+    @staticmethod
+    def deserialize_containers(data: dict) -> list:
+        containers = []
+        for name, values in data['nextcloud_containers'].items():
+            containers.append(Container(
+                name,
+                values['mysql_password'],
+                values['backup_folder'],
+                values['compose_file_path'])
+            )
+        return containers
diff --git a/Models/NextcloudBackupException.py b/Models/NextcloudBackupException.py
new file mode 100644
index 0000000..8e22ba4
--- /dev/null
+++ b/Models/NextcloudBackupException.py
@@ -0,0 +1,8 @@
+
+class NextcloudBackupException(Exception):
+    def __init__(self, message):
+        self.message = message
+
+
+    def __write_to_log(self):
+        pass
diff --git a/Models/__pycache__/Backup.cpython-38.pyc b/Models/__pycache__/Backup.cpython-38.pyc
new file mode 100644
index 0000000000000000000000000000000000000000..1bc444dd729942a1404fa5a9d1d5770d8f083caa
GIT binary patch
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diff --git a/README.md b/README.md
new file mode 100644
index 0000000..91dd2de
--- /dev/null
+++ b/README.md
@@ -0,0 +1 @@
+nextcloud_docker_scripts
diff --git a/backup.py b/backup.py
new file mode 100644
index 0000000..417eb52
--- /dev/null
+++ b/backup.py
@@ -0,0 +1,61 @@
+#!/usr/bin/env python3
+
+import datetime
+import os
+import sys
+import yaml
+from colorama import Fore, Style
+import Models.Backup
+from Models.Container import Container
+from Models.NextcloudBackupException import NextcloudBackupException
+
+
+def backup(container_names=None):
+    global backup_successfull
+    with open(r"./settings.yaml") as file:
+        # Load settings
+        settings_list = yaml.full_load(file)
+        log_file = settings_list['paths']['log_file']
+        containers = Container.deserialize_containers(settings_list)
+
+    if type(container_names) is list:
+        containers_tmp = []
+        for container_name in container_names:
+            if container_name is str and container_name in containers:
+                containers_tmp.append(containers[container_name])
+            else:
+                print(F"{Fore.RED}Cannot find configuration for {container_name} in settings.yaml{Style.RESET_ALL}")
+        containers = containers_tmp
+
+    # Loop through Nextcloud container instances
+    container: Container
+    for container in containers:
+        # Create backup folder if it does not yet exist
+        if container.create_backup_dir():
+            try:
+                print(F"{Fore.GREEN}Backup folder created under: {container.backup_folder}{Style.RESET_ALL}")
+            except OSError as e:
+                sys.exit(F"{Fore.RED}Could not create backup folder: {e.strerror}{Style.RESET_ALL}")
+
+        print(F"Starting backup for {container.name}:")
+        try:
+            backup_successfull = True
+            for key, status in container.create_backup():
+                if status is True:
+                    print(F"{Fore.GREEN}{key}: success{Style.RESET_ALL}")
+                else:
+                    print(F"{Fore.RED}{key}: failed{Style.RESET_ALL}")
+                    backup_successfull = False
+        except NextcloudBackupException as e:
+            print(F"{Fore.RED}Backup for {container.name} failed!/n{e.message}{Style.RESET_ALL}")
+        print("---------------------------------")
+        if backup_successfull is True:
+            print(F"{Fore.GREEN}Backup for {container.name} was successful{Style.RESET_ALL}")
+        else:
+            print(F"{Fore.RED}Backup for {container.name} failed{Style.RESET_ALL}")
+
+
+
+if __name__ == '__main__':
+    backup(sys.argv)
+
diff --git a/example_settings.yml b/example_settings.yml
new file mode 100644
index 0000000..45698c9
--- /dev/null
+++ b/example_settings.yml
@@ -0,0 +1,17 @@
+nextcloud_containers:
+
+  instance1: # name like Nextcloud container instance
+    mysql_password: "password"
+    backup_folder: "/full/path/to/directory/"
+    compose_file_path: "/full/path/to/directory/"
+
+  instance2: # name like Nextcloud container instance
+    mysql_password: "password"
+    backup_folder: "/full/path/to/directory/"
+    compose_file_path: "/full/path/to/directory/"
+
+log:
+  text: true
+  json: false
+  log_file: "/full/path/to/file.log"
+
diff --git a/main.py b/main.py
new file mode 100644
index 0000000..8f91060
--- /dev/null
+++ b/main.py
@@ -0,0 +1,5 @@
+#!/usr/bin/env python3
+import sys
+
+# check for settings permissions
+
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..bd7afdc
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1,2 @@
+yaml
+colorama
\ No newline at end of file
diff --git a/restore.py b/restore.py
new file mode 100644
index 0000000..5f7ce86
--- /dev/null
+++ b/restore.py
@@ -0,0 +1 @@
+#!/usr/bin/env python3
\ No newline at end of file
diff --git a/upgrade.py b/upgrade.py
new file mode 100644
index 0000000..5f7ce86
--- /dev/null
+++ b/upgrade.py
@@ -0,0 +1 @@
+#!/usr/bin/env python3
\ No newline at end of file