Description:

swiftbackmeup 0.0.5

# swiftbackmeupAn utility that allows one to create items backups and upload them toOpenStack Swift (Object Store).## TODO - [ ] Add the possibility to encrypt data - [ ] Add support for Amazon S3## GoalThe goal of `swiftbackmeup` is to be able to backup items and uploadthose backups to Swift (OpenStack Object Store).`swiftbackmeup` is configuration driven. Every item that needs to bebacked up are described in the configuration file.## How to run it`swiftbackmeup` has various operation modes: * `backup`: Allow one to backup items * `restore`: Allow one to restore backups from object store * `purge`: Allow one to purge backups from object store`swiftbackmeup` is configuration driven. The configuration fileis (by order of priority): 1. The one specified on the command line (`swiftbackmeup --conf /path/to/conf.yml`) 2. The one specified in the environment variable `$SWIFTBACKMEUP_CONFIGURATION` 3. The `/etc/swiftbackmeup.conf`### backupThis mode allows a user to backup items listed in the backups array in the configurationfile.#### `--items`This option allows one to limit for which backups item the script will be run.If the backups array has serveral items; ie. `mydb_prod`, `mydb_preprod`, `mydb_test``swiftbackmeup backup` would backup all three of them`swiftbackmeup backup --items mydb_prod` would only backup `mydb_prod`**Note**: this command is valid in combination with any other command such as `--list` and `--list-items#### `--list`This option allows one to list the remote backups for the items listed in the configurationfile. It will by default list all the backups of every items. Items can be limited by usingthe `--items` parameter.```#> swiftbackmeup backup --list+---------------+-----------------------------------------------------+----------------------------+| Item | Backup file | Last Modified |+---------------+-----------------------------------------------------+----------------------------+| db1 | db1/db1_20160624054028.dump.sql | 2016-06-24T09:40:29.719150 || swiftbackmeup | swiftbackmeup/swiftbackmeup_20160624054028.dump.sql | 2016-06-24T09:40:30.377840 |+---------------+-----------------------------------------------------+----------------------------+``````#> swiftbackmeup backup --list --items db1+---------------+-----------------------------------------------------+----------------------------+| Item | Backup file | Last Modified |+---------------+-----------------------------------------------------+----------------------------+| db1 | db1/db1_20160624054028.dump.sql | 2016-06-24T09:40:29.719150 |+---------------+-----------------------------------------------------+----------------------------+```#### `--list-items`This option allows one to list the items in the backups array listed in the configuration file.Items can be limited by using the `--items` parameter.```#> swiftbackmeup backup --list-items+---------------+----------------------+-----------+-----------------+---------------------+-----------------------------+| Item | Type | Host | Swift Container | Swift Pseudo-Folder | Subscriptions |+---------------+----------------------+-----------+-----------------+---------------------+-----------------------------+| db1 | databases/mariadb | 127.0.0.1 | backup | db1 | daily, now, monthly, weekly || swiftbackmeup | databases/postgresql | local | backup | swiftbackmeup | daily, now, monthly, weekly |+---------------+----------------------+-----------+-----------------+---------------------+-----------------------------+``````#> swiftbackmeup backup --list-items --items db1+---------------+----------------------+-----------+-----------------+---------------------+-----------------------------+| Item | Type | Host | Swift Container | Swift Pseudo-Folder | Subscriptions |+---------------+----------------------+-----------+-----------------+---------------------+-----------------------------+| db1 | databases/mariadb | 127.0.0.1 | backup | db1 | daily, now, monthly, weekly |+---------------+----------------------+-----------+-----------------+---------------------+-----------------------------+```### purgeThis mode allows a user to purge items on the remote object store.The purge logic is based on the mode `retention` and `unit` parameters.```modes: daily: retention: 7 unit: day now: retention: 1 unit: itembackups: - name: db1 database: db1 subscriptions: - daily - now```If a user executes `swiftbackmeup purge` only the last 1 item of the db1 backupson the remote store will be kept, the other will be purged (ie. --mode now is thedefault)If a user executs `swiftbackmeup purge --mode daily` the backups of the item olderthan 7 days will be purged.#### `--noop`This option allows one to list the items that would be purged if run without the `--noop` item.```#> swiftbackmeup backup --list+---------------+-----------------------------------------------------+----------------------------+| Item | Backup file | Last Modified |+---------------+-----------------------------------------------------+----------------------------+| db1 | db1/db1_20160624054028.dump.sql | 2016-06-24T09:40:29.719150 || db1 | db1/db1_20160624063610.dump.sql | 2016-06-24T10:36:12.295490 || db1 | db1/db1_20160624063613.dump.sql | 2016-06-24T10:36:14.780210 || db1 | db1/db1_20160624063615.dump.sql | 2016-06-24T10:36:17.117850 || swiftbackmeup | swiftbackmeup/swiftbackmeup_20160624054028.dump.sql | 2016-06-24T09:40:30.377840 || swiftbackmeup | swiftbackmeup/swiftbackmeup_20160624063611.dump.sql | 2016-06-24T10:36:13.216240 || swiftbackmeup | swiftbackmeup/swiftbackmeup_20160624063614.dump.sql | 2016-06-24T10:36:15.799500 || swiftbackmeup | swiftbackmeup/swiftbackmeup_20160624063616.dump.sql | 2016-06-24T10:36:17.923470 |+---------------+-----------------------------------------------------+----------------------------+#> swiftbackmeup purge --noop --force+---------------+-----------------------------------------------------+----------------------------+---------------+| Item | Backup file | Last Modified | Status |+---------------+-----------------------------------------------------+----------------------------+---------------+| db1 | db1/db1_20160624054028.dump.sql | 2016-06-24T09:40:29.719150 | Purged (noop) || db1 | db1/db1_20160624063610.dump.sql | 2016-06-24T10:36:12.295490 | Purged (noop) || db1 | db1/db1_20160624063613.dump.sql | 2016-06-24T10:36:14.780210 | Purged (noop) || swiftbackmeup | swiftbackmeup/swiftbackmeup_20160624054028.dump.sql | 2016-06-24T09:40:30.377840 | Purged (noop) || swiftbackmeup | swiftbackmeup/swiftbackmeup_20160624063611.dump.sql | 2016-06-24T10:36:13.216240 | Purged (noop) || swiftbackmeup | swiftbackmeup/swiftbackmeup_20160624063614.dump.sql | 2016-06-24T10:36:15.799500 | Purged (noop) |+---------------+-----------------------------------------------------+----------------------------+---------------+```#### `--force`This options allows one not to have to answer the security question: "Are you sure you want to purge the backups?"```#> swiftbackmeup backup --list +---------------+-----------------------------------------------------+----------------------------+| Item | Backup file | Last Modified |+---------------+-----------------------------------------------------+----------------------------+| db1 | db1/db1_20160624054028.dump.sql | 2016-06-24T09:40:29.719150 || db1 | db1/db1_20160624063610.dump.sql | 2016-06-24T10:36:12.295490 || db1 | db1/db1_20160624063613.dump.sql | 2016-06-24T10:36:14.780210 || db1 | db1/db1_20160624063615.dump.sql | 2016-06-24T10:36:17.117850 || swiftbackmeup | swiftbackmeup/swiftbackmeup_20160624054028.dump.sql | 2016-06-24T09:40:30.377840 || swiftbackmeup | swiftbackmeup/swiftbackmeup_20160624063611.dump.sql | 2016-06-24T10:36:13.216240 || swiftbackmeup | swiftbackmeup/swiftbackmeup_20160624063614.dump.sql | 2016-06-24T10:36:15.799500 || swiftbackmeup | swiftbackmeup/swiftbackmeup_20160624063616.dump.sql | 2016-06-24T10:36:17.923470 |+---------------+-----------------------------------------------------+----------------------------+#> swiftbackmeup purge --force+---------------+-----------------------------------------------------+----------------------------+--------+| Item | Backup file | Last Modified | Status |+---------------+-----------------------------------------------------+----------------------------+--------+| db1 | db1/db1_20160624054028.dump.sql | 2016-06-24T09:40:29.719150 | Purged || db1 | db1/db1_20160624063610.dump.sql | 2016-06-24T10:36:12.295490 | Purged || db1 | db1/db1_20160624063613.dump.sql | 2016-06-24T10:36:14.780210 | Purged || swiftbackmeup | swiftbackmeup/swiftbackmeup_20160624054028.dump.sql | 2016-06-24T09:40:30.377840 | Purged || swiftbackmeup | swiftbackmeup/swiftbackmeup_20160624063611.dump.sql | 2016-06-24T10:36:13.216240 | Purged || swiftbackmeup | swiftbackmeup/swiftbackmeup_20160624063614.dump.sql | 2016-06-24T10:36:15.799500 | Purged |+---------------+-----------------------------------------------------+----------------------------+--------+#> swiftbackmeup backup --list+---------------+-----------------------------------------------------+----------------------------+| Item | Backup file | Last Modified |+---------------+-----------------------------------------------------+----------------------------+| db1 | db1/db1_20160624063615.dump.sql | 2016-06-24T10:36:17.117850 || swiftbackmeup | swiftbackmeup/swiftbackmeup_20160624063616.dump.sql | 2016-06-24T10:36:17.923470 |+---------------+-----------------------------------------------------+----------------------------+```### restoreThis mode allows a user to restore items from the remote object store.To work, it needs the name of the item to restore and the version from which to restore it from```#> swiftbackmeup backup --list+---------------+-----------------------------------------------------+----------------------------+| Item | Backup file | Last Modified |+---------------+-----------------------------------------------------+----------------------------+| db1 | db1/db1_20160624063615.dump.sql | 2016-06-24T10:36:17.117850 || swiftbackmeup | swiftbackmeup/swiftbackmeup_20160624063616.dump.sql | 2016-06-24T10:36:17.923470 |+---------------+-----------------------------------------------------+----------------------------+#> swiftbackmeup restore --items db1 --version db1/db1_20160624063615.dump.sql```The previous example will restore the database `db1` to the dump remotely stored as `db1/db1_20160624063615.dump.sql`#### `--force`This options allows one not to have to answer the security question: "Are you sure you want to restore the backup?"## ModesModes are equivalent to tag the backup needs to be subscribed to.So within the configuration file, backups are 'subscribed' to tags;```backups: - database: mydatabasenumberone subscriptions: - daily - monthly - now - tag1 - mydatabasenumberone```This means that this backup will run only if `swiftbackmeup` is run with oneof the tags lists in subscriptionsModes are defined in the configuration file, by default 4 modes come predefined. * `daily`: If one wants to backup the database on a daily basis, with a default of 7 day of retention * `weekly`: If one wants to backup the database on a weekly basis, with a default of 4 weeks of retention * `monthly`: If one wants to backup the database on a monthly basis, with a default of 6 months of retention * `now`: If one wants to backup the database at the moment t, with a default of 10 backup having the same name pattern.Modes understand for now only two parameters: * `retention`: Number of unit a backup should be kept, else purged. * `unit`: The unit the retention represent. Possible value: `day`, `item`. Default `day`. * `pattern`: Pattern that will be used in datetime.format later.## Naming configurationThere are various way the filename of the backup can be specified. 1. The backup is part of a tag with a matching pattern.By default the name will be the pattern. But one can specify 2 parameters`backup_filename_prefix` and `backup_filename_suffix` to actually have ameaningfull name.So name would be the equivalent of:```'%s%s%s' % (backup_filename_prefix, modes.pattern, backup_filename_suffix)```Example:```backups: - name: mydatabase database: mydatabase subscriptions: - daily backup_filename_prefix: 'mydatabase_' backup_filename_suffix: '.dump.gz'``` 2. The backup is part of a tag with a matching pattern (or not)Whether the backup is part of a tag or not, one can override the final backupfilename by specifying `backup_filename````backups: - name: mydatabase database: mydatabase subscriptions: - daily backup_filename: 'mydatabase_backup.dump.gz'```## ConfigurationThe below section aims to explain every parameter of the configuration file### Swift Parameters| Parameter | Scope | Default | Description ||---------------------|----------------|---------|-------------------------------------------------------------------|| os_username | global | None | OpenStack Username || os_password | global | None | OpenStack Password || os_tenant_name | global | None | OpenStack Tenant Name || os_auth_url | global | None | OpenStack Authentication URL || store_type | global, backup | None | The store type to upload backup to (available: swift) || create_container | global, backup | True | If the container does not exist, should it be created || purge_container | global, backup | False | Should the remote objects be purged || swift_container | global, backup | backup | Name of the swift container on which to store the database backup || swift_pseudo_folder | global, backup | None | If wanted, name of the pseudo folder |### Filesystem Parameters| Parameter | Scope | Default | Description ||------------------------|----------------|----------|---------------------------------------------------------------------------------------------|| ouput_directory | global, backup | /var/tmp | Directory where to store the database backup || clean_local_copy | global, backup | True | Should the local copy be removed once uploaded to Swift || backup_filename | backup | None | Name the backup file (will override any mode pattern) || backup_filename_prefix | backup | None | Prefix of the backup file name (mode pattern and backup_filename_suffix will be appended) || backup_filename_suffix | backup | None | Suffix of the backup file name (backup_filename_prefix and mode pattern will be prepended ) |### Database Parameters| Parameter | Scope | Default | Description ||-----------------|----------------|------------|-----------------------------------------------------------------|| type | global, backup | postgresql | Database type (available: postgres, mariadb) || dump_options | global, backup | None | Parameters to pass to the dump command || database | backup | None | Name of the database to backup || user | global, backup | None | User to connect to the database system || password | global, backup | None | Password to connect to the database system || host | global, backup | None | Host to connect to the database system || port | global, backup | None | Port to connect to the database system || subscriptions | backup | None | Mode that this database is backed up when activated |#### PostgreSQL SpecificsWhen backuping PostgreSQL databases there are two modes of working: * `database: all`: This will make `swiftbackmeup` rely on the `pg_dumpall` program. It hence allows access to options like (`roles_only`, `globals_only`, etc...) * `database: mydatabase`: This will make `swiftbackmeup` rely on the `pg_dump` program.| Parameter | Scope | Default | Description ||------------------|---------------------|---------|---------------------------------------------------|| data_only | backup (the all db) | None | Should --data-only be passed to pg_dumpall || globals_only | backup (the all db) | None | Should --globals-only be passed to pg_dumpall || roles_only | backup (the all db) | None | Should --roles-only be passed to pg_dumpall || schema_only | backup (the all db) | None | Should --schema-only be passed to pg_dumpall || tablespaces_only | backup (the all db) | None | Should --tablespaces-only be passed to pg_dumpall |### Configuration file example```---os_username: os_usernameos_password: os_passwordos_tenant_name: os_tenant_nameos_auth_url: os_auth_urlstore_type: swiftswift_container: backupswift_pseudo_folder: examplecreate_container: Truepurge_container: Falseoutput_directory: /var/tmpclean_local_copy: Truemodes: daily: retention: 7 unit: day pattern: "%Y%m%d" weekly: retention: 28 unit: day pattern: "%Y%m%d-%U" monthly: retention: 31 unit: day pattern: "%Y%m" now: retention: 10 unit: items pattern: "%Y%m%d%H%M%S"backups: - name: mytestfile type: file path: /tmp/file backup_filename_prefix: 'mytestfile_' backup_filename_suffix: '.bk' subscriptions: - now - daily - monthly - name: mygitrepo type: git path: /srv/git/mygitrepo branches: all backup_filename_prefix: 'mygitrepo_' backup_filename_suffix: '.bundle' subscriptions: - now - daily - monthly - name: swiftbackmeup_mariadb type: mariadb database: swiftbackmeup host: 127.0.0.1 user: root password: passpass backup_filename_prefix: 'swiftbackmeup_mariadb_' backup_filename_suffix: '.dump.sql' swift_pseudo_folder: swiftbackmeup_mariadb subscriptions: - now - daily - monthly - name: swiftbackmeup_postgresql type: postgresql database: swiftbackmeup backup_filename_prefix: 'swiftbackmeup_postgresql_' dump_options: -Z9 -Fc backup_filename_suffix: '.dump' swift_pseudo_folder: swiftbackmeup_postgresql subscriptions: - now - daily - monthly```

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