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Christian Winther 2024-01-17 18:12:30 +00:00
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docker/migration.md
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@ -32,7 +32,7 @@ The consequence of this change is that *all* data stored in the - now unsupporte
> **It's important to note that this is a *copy* operation - so disk usage will (temporarily) double while you migrate** > **It's important to note that this is a *copy* operation - so disk usage will (temporarily) double while you migrate**
> We provide a "migration container" for your convenience that can access both the new and old volumes, allowing you to copy the data into the setup. > We provide a "migration container" for your convenience that can access both the new and old volumes, allowing you to copy the data into the setup.
#### 0. Backup, rollout, and rollback plan #### Step 0. Backup, rollout, and rollback plan
1. Make sure to backup your server (ideally *after* step 1 below has completed, but *before* is better than not at all!) 1. Make sure to backup your server (ideally *after* step 1 below has completed, but *before* is better than not at all!)
1. Capture the current Git version / Pixelfed release you are on (e.g. `git --no-pager log -1` outputs the commit reference as the 2nd word in first line) 1. Capture the current Git version / Pixelfed release you are on (e.g. `git --no-pager log -1` outputs the commit reference as the 2nd word in first line)
@ -40,7 +40,7 @@ The consequence of this change is that *all* data stored in the - now unsupporte
1. Backup your `docker-compose.yml` file (`cp docker-compose.yml docker-compose.yml.old`) 1. Backup your `docker-compose.yml` file (`cp docker-compose.yml docker-compose.yml.old`)
1. Read through the *entire* document before starting 1. Read through the *entire* document before starting
#### 1. Migrate your ".env" file #### Step 1. Migrate your ".env" file
The new `.env` file for Docker is a bit different from the old one (many new settings!) so the easiest is to grab the new `.env.docker` file and modify it from scratch again. The new `.env` file for Docker is a bit different from the old one (many new settings!) so the easiest is to grab the new `.env.docker` file and modify it from scratch again.
@ -71,7 +71,7 @@ This is a great time to review your settings and familiarize you with all the ne
> * [How do I use my own Proxy server?](faq.md#how-do-i-use-my-own-proxy-server) > * [How do I use my own Proxy server?](faq.md#how-do-i-use-my-own-proxy-server)
> * [How do I use my own SSL certificate?](faq.md#how-do-i-use-my-own-ssl-certificate) > * [How do I use my own SSL certificate?](faq.md#how-do-i-use-my-own-ssl-certificate)
#### 2. Stop all running containers #### Step 2. Stop all running containers
> [!CAUTION] > [!CAUTION]
> This will take your Pixelfed instance offline > This will take your Pixelfed instance offline
@ -82,7 +82,7 @@ Stop *all* running containers (web, worker, redis, db)
$ docker compose down $ docker compose down
``` ```
#### 3. Pull down the new source code #### Step 3. Pull down the new source code
Update your project to the latest release of Pixelfed by running Update your project to the latest release of Pixelfed by running
@ -92,7 +92,7 @@ $ git pull origin $release
Where `$release` is either `dev`, `staging` or a [tagged release](https://github.com/pixelfed/pixelfed/releases) such as `v0.12.0`. Where `$release` is either `dev`, `staging` or a [tagged release](https://github.com/pixelfed/pixelfed/releases) such as `v0.12.0`.
#### 4. Run the migration container #### Step 4. Run the migration container
You can access the Docker container with both old and new volumes by running the following command You can access the Docker container with both old and new volumes by running the following command
@ -114,7 +114,7 @@ This will put you in the `/migrate` directory within the container, containing 8
`-- old `-- old
``` ```
#### 5. Check the folders #### Step 5. Check the folders
##### Old folders ##### Old folders
@ -138,7 +138,7 @@ $ ls db-data/new
$ ls redis-data/new $ ls redis-data/new
``` ```
#### 6. Copy the data #### Step 6. Copy the data
> [!WARNING] > [!WARNING]
> This is where we potentially will double your disk usage (temporarily) > This is where we potentially will double your disk usage (temporarily)
@ -161,7 +161,7 @@ $ rsync -avP db-data/old/ db-data/new
$ rsync -avP redis-data/old/ redis-data/new $ rsync -avP redis-data/old/ redis-data/new
``` ```
#### 7. Sanity checking #### Step 7. Sanity checking
Lets make sure everything copied over successfully! Lets make sure everything copied over successfully!
@ -190,7 +190,7 @@ aria_log_control ddl_recovery-backup.log ib_buffer_pool ib_logfile0 ibdata1
If everything looks good, type `exit` to leave exit the migration container If everything looks good, type `exit` to leave exit the migration container
#### 6. Starting up the your Pixelfed server again #### Step 8. Starting up the your Pixelfed server again
With all an updated Pixelfed (step 2), updated `.env` file (step 3), migrated data (step 4, 5, 6 and 7) we're ready to start things back up again. With all an updated Pixelfed (step 2), updated `.env` file (step 3), migrated data (step 4, 5, 6 and 7) we're ready to start things back up again.
@ -268,7 +268,7 @@ $ docker compose logs --tail 250 --follow
If you changed anything in the `.env` file while debugging, some containers might restart now, thats perfectly fine. If you changed anything in the `.env` file while debugging, some containers might restart now, thats perfectly fine.
#### 7. Verify #### Step 9. Verify
With all services online, it's time to go to your browser and check everything is working With all services online, it's time to go to your browser and check everything is working
@ -280,7 +280,7 @@ With all services online, it's time to go to your browser and check everything i
If everything looks fine, yay, you made it to the end! Lets do some cleanup If everything looks fine, yay, you made it to the end! Lets do some cleanup
#### 8. Final steps + cleanup #### Step 10. Final steps + cleanup
With everything working, please take a new snapshot/backup of your server *before* we do any cleanup. A post-migration snapshot is incredibly useful, since it contains both the old and new configuration + data, making any recovery much easier in a rollback scenario later. With everything working, please take a new snapshot/backup of your server *before* we do any cleanup. A post-migration snapshot is incredibly useful, since it contains both the old and new configuration + data, making any recovery much easier in a rollback scenario later.