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99 lines
3.5 KiB
Text
99 lines
3.5 KiB
Text
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@title Configuring Backups
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@group config
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Advice for backing up Phabricator.
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= Overview =
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Phabricator does not currently have a comprehensive backup system, but creating
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backups is not particularly difficult and Phabricator does have a few basic
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tools which can help you set up a reasonable process. In particular, the things
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which needs to be backed up are:
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- the MySQL databases;
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- uploaded files; and
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- your Phabricator configuration files.
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This document discusses approaches for backing up this data.
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= Backup: MySQL Databases =
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Most of Phabricator's data is stored in MySQL, and it's the most important thing
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to back up. You can run `bin/storage dump` to get a dump of all the MySQL
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databases. This is a convenience script which just runs a normal `mysqldump`
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of every database Phabricator owns.
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Since most of this data is compressible, it may be helpful to run it through
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gzip prior to storage. For example:
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phabricator/ $ ./bin/storage dump | gzip > backup.sql.gz
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Then store the backup somewhere safe, like in a box buried under an old tree
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stump. No one will ever think to look for it there.
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= Restore: MySQL =
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To restore a MySQL dump, just pipe it to `mysql` on a clean host. (You may need
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to uncompress it first, if you compressed it prior to storage.)
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$ gunzip -c backup.sql.gz | mysql
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= Backup: Uploaded Files =
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Uploaded files may be stored in several different locations. The backup
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procedure depends on where files are stored:
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**Default / MySQL**: Under the default configuration, uploaded files are stored
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in MySQL, so the MySQL backup will include all files. In this case, you don't
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need to do any additional work.
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**Amazon S3**: If you use Amazon S3, redundancy and backups are built in to the
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service. This is probably sufficient for most installs. If you trust Amazon with
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your data //except not really//, you can backup your S3 bucket outside of
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Phabricator.
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**Local Disk**: If you use the local disk storage engine, you'll need to back up
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files manually. You can do this by creating a copy of the root directory where
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you told Phabricator to put files (the `storage.local-disk.path` configuration
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setting).
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For more information about configuring how files are stored, see
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@{article:Configuring File Storage}.
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= Restore: Uploaded Files =
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To restore a backup of local disk storage, just copy the backup into place.
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= Backup: Configuration Files =
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You should also backup your configuration files, and any scripts you use to
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deploy or administrate Phabricator (like a customized upgrade script). The best
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way to do this is to check them into a private repository somewhere and just use
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whatever backup process you already have in place for repositories. Just copying
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them somewhere will work fine too, of course.
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= Restore: Configuration Files =
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To restore configuration files, just copy them into the right locations.
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= Security =
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MySQL dumps have no builtin encryption and most data in Phabricator is stored in
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a raw, accessible form, so giving a user access to backups is a lot like giving
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them shell access to the machine Phabricator runs on. In particular, a user who
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has the backups can:
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- read data that policies do not permit them to see;
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- read email addresses and object secret keys; and
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- read other users' session and conduit tokens and impersonate them.
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Some of this information is durable, so disclosure of even a very old backup may
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present a risk. If you restrict access to the Phabricator host or database, you
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should also restrict access to the backups.
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= Next Steps =
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Continue by:
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- returning to the @{article:Configuration Guide}.
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