kevinveenbirkenbach/docker-volume-backup
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Added instance attribut

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Kevin Veen-Birkenbach
2023-12-26 00:27:27 +01:00
parent de59646fc0
commit 5e91e298c4
2 changed files with 27 additions and 13 deletions
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29
backup-docker-to-local.py
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@@ -35,20 +35,33 @@ def create_backup_directories(base_dir, machine_id, repository_name, backup_time
pathlib.Path(version_dir).mkdir(parents=True, exist_ok=True)
return version_dir
# Muss modifiziert werden.
def get_database_name(container):
database_name = re.split("(_|-)(database|db)", container)[0]
print(f"Extracted database name: {database_name}")
return database_name
def get_instance(container):
instance_name = re.split("(_|-)(database|db|postgres)", container)[0]
print(f"Extracted instance name: {instance_name}")
return instance_name
def backup_database(container, databases, version_dir, db_type):
"""Backup database (MariaDB or PostgreSQL) if applicable."""
print(f"Starting database backup for {container} using {db_type}...")
database_name = get_database_name(container)
database_entry = databases.loc[databases['database'] == database_name].iloc[0]
instance_name = get_instance(container)
# Filter the DataFrame for the given instance_name
database_entries = databases.loc[databases['instance'] == instance_name]
# Check if there are more than one entries
if len(database_entries) > 1:
raise BackupException(f"More than one entry found for instance '{instance_name}'")
# Check if there is no entry
if database_entries.empty:
raise BackupException(f"No entry found for instance '{instance_name}'")
# Get the first (and only) entry
database_entry = database_entries.iloc[0]
backup_destination_dir = os.path.join(version_dir, "sql")
pathlib.Path(backup_destination_dir).mkdir(parents=True, exist_ok=True)
backup_destination_file = os.path.join(backup_destination_dir, f"{database_name}_backup.sql")
backup_destination_file = os.path.join(backup_destination_dir, f"backup.sql")
if db_type == 'mariadb':
backup_command = f"docker exec {container} /usr/bin/mariadb-dump -u {database_entry['username']} -p{database_entry['password']} {database_entry['database']} > {backup_destination_file}"