In place migration

how to install fylr on an easydb5 server and migrate easydb's content to fylr using easydb's assets files directly from disk, without needing to transfer them

This method can save time and does not need a separate server. easydb5 is only needed to extract metadata, but not to extract asset files, which are used from storage directly as is.

The following example migrates all from https://easydb.example.com to https://fylr.example.com. (IP address 1.2.3.4)

Checks and Requirements

The server should have enough RAM available (at least 8 GB free when easydb is running, more is recommended during image preview generation).

Is there enough free storage?

for doubling the indexes and SQL-DB of easydb (fylr will have its own)

for doubling the preview images of easydb (fylr is recommended to generate its own)

20+ GB for fylr container versions

A DNS subdomain for fylr

Have a DNS entry, in our example fylr.example.com, pointing to the same IP address as the easydb (in our example easydb.example.com).

Prevent name collisions

Check that SQL databases and indexes will not collide by name between eaydb5 and fylr:

docker exec easydb-pgsql psql -U postgres -l

... good if there is no database named "fylr" yet.

docker exec easydb-server curl http://easydb-elasticsearch:9200/_cat/indices

... good if they do not start with "fylr".

1. fylr installation

To save resources like RAM, we use easydb's infrastructure

1.a Create a dedicated SQL database for fylr

docker exec -ti easydb-pgsql psql -U postgres
CREATE DATABASE fylr ENCODING 'UTF8';
CREATE USER fylr WITH LOGIN ENCRYPTED PASSWORD 'fylr';
GRANT ALL PRIVILEGES ON DATABASE "fylr" TO "fylr";
ALTER DATABASE fylr OWNER TO fylr;
exit

We suggest to include this fylr database in the easydb backup:

Change the file /srv/easydb/maintain :

add fylr so that you have e.g.: DBS="eas easydb5 fylr" .

1.b use docker compose for fylr installation

apt-get install docker-compose-plugin
mkdir /srv/fylr ; cd /srv/fylr
mkdir -p config/fylr assets backups migration
chown 1000 assets backups migration
curl https://raw.githubusercontent.com/programmfabrik/fylr-gitbook/main/_assets/fylr.yml -o config/fylr/fylr.yml
curl https://raw.githubusercontent.com/programmfabrik/fylr-gitbook/main/_assets/maintain -o maintain
chmod a+x maintain
vi docker-compose.yml # see below for content
docker compose up -d; docker compose logs -f

Stop outputting log messages with Ctrl-c if seen enough

1.c create /srv/fylr/docker-compose.yml

Check the volume paths, left of the :, so .e.g. /srv/easydb/eas/lib/assets/orig.

services:
  fylr:
    image: docker.fylr.io/fylr/fylr:latest
    hostname: fylr.localhost
    container_name: fylr
    restart: always
    ports:
      - "127.0.0.1:91:91"
    networks:
      - easydb_default
    volumes:
      - "/srv/easydb/eas/lib/assets/orig:/mnt/orig_old:ro"
      - "/srv/easydb/eas/lib/assets/dest:/mnt/dest_old:ro"
      - "/srv/fylr/config/fylr:/fylr/config"
      - "/srv/fylr/assets:/srv"
      - "/srv/fylr/backups:/fylr/files/backups"     # /inspect/system/backups/ and /backupmanager
      - "/srv/fylr/migration:/fylr/files/migration" # /inspect/migration/
    logging:
      driver: "journald"

networks:
  easydb_default:
    external: true

1.d Adjust /srv/fylr/config/fylr/fylr.yml

fylr+:
  allowpurge: true
  externalURL: "https://fylr.example.com"
[...]
  db:
    driver: "postgres"
    dsn: "postgres://fylr:fylr@easydb-pgsql:5432/fylr?sslmode=disable"
[...]
  elastic+:
    addresses:
    - "http://easydb-elasticsearch:9200"
[...]
  services+:
    webapp+:
      addr: ":91"
      tls:

... and of course unique encryptionKey and signingSecret .

1.e Start fylr

docker compose up -d; docker compose logs -f

Stop outputting log messages with Ctrl-c if seen enough

2. Apache and https certificate for fylr

2.a Assuming you use certbot with LetsEncrypt, do...

Add a minimal VirtualHost for the fylr to your Apache configuration:

<VirtualHost 1.2.3.4:80>
    ServerName fylr.example.com
</VirtualHost>

... replace the IP Address 1.2.3.4 and of course the domain name.

Install and use certbot: (unless you have another method to obtain a https-certificate for fylr)

apt install snapd
snap install --classic certbot
certbot --apache # in the shown choice: select the fylr domain

After certbot improved your Apache configuration, add the configuration to show fylr:

<VirtualHost 1.2.3.4:80>
    ServerName fylr.example.com

RewriteEngine on
RewriteCond %{SERVER_NAME} =fylr.example.com
RewriteRule ^ https://%{SERVER_NAME}%{REQUEST_URI} [END,NE,R=permanent]
</VirtualHost>

<VirtualHost 1.2.3.4:443>
    ServerName fylr.example.com

    ProxyPreserveHost On
    ProxyPass / http://127.0.0.1:91/
    ProxyPassReverse / http://127.0.0.1:91/

SSLCertificateFile /etc/letsencrypt/live/fylr.example.com/fullchain.pem
SSLCertificateKeyFile /etc/letsencrypt/live/fylr.example.com/privkey.pem
Include /etc/letsencrypt/options-ssl-apache.conf
</VirtualHost>

2.b Log into your fylr (https://fylr.example.com) as root with password admin.

2.c Change the password of root to a secure one.

2.d Check that fylr is at least Version 6.26.0.

3. Extract metadata from easydb5

3.a. Surf to https://fylr.example.com/inspect/migration

3.b. expand the Paragraph Create backup (by clicking the triangle)

3.c. Fill in at least the following values:

URL of server : Fill in your equivalent of https://easydb.example.com

Login: root

Password: password of easydb's root account

OAuth2: uncheck this box, it is only needed to extract from fylr

Max Parallel: To not slow your easydb down, choose a number that is half or less of the available CPU cores.

Purge: you can leave this on, it does not affect easydb or fylr. (It was added to overwrite backup files, but currently it creates a new backup anyway)

Click Backup . This can take from one minute to several hours depending on your data.

See here for more information.

4. Inject metadata into fylr

4.a. Surf to https://fylr.example.com/inspect/migration (log in as root)

4.b. expand the Paragraph Restore backup (by clicking the triangle)

4.c. Fill in at least the following values:

Backup : choose the backup that you created above

URL : Fill in your equivalent of https://fylr.example.com

Login: root

Password: password of fylr's root account

File Mode: choose Use files from source - rput_leave (bulk)

File Version: use the default original

Copy file preview versions: Enable this box.

Include Password: Can be turned off for test runs. When turned on, passwords are included. But for that, the above backup has to be made with a less secure easydb configuration active. See TODO

Include Events: Turn on if you want to transfer the events that were recorded in easydb. Considered not needed unless you know you want it.

OAuth2: This box has to be enabled.

OAuth2 Client Id: leave the default fylr-web-frontend

Max Parallel: To not slow your easydb down, choose a number that is half or less of the available CPU cores.

Purge or Continue: Purge This will overwrite fylr's contents with easydb, which is the whole point. Continue is useful if your previous attempt aborted with a timeout or network error and should be continued.

Click Restore . This can take from a few minutes to many hours depending on your data.

It will continue if you close your browser.
You can come back to it via https://fylr.example.com/inspect/migration
And also directly via https://fylr.example.com/inspect/migration/mymigrationname

See here for more information.

5. Teach fylr where to find easydb assets on disk

5.a Collect the URL prefixes of all easydb's partitions

Look into https://fylr.example.com/inspect/files/ (log in as root)

Click on a version (the Version column has small or full or others but not ORIGINAL) file on it's ID
- note the field Remote URL, it might contain e.g. https://easydb.example.com/eas/partitions-inline/2/0/1270/1270/4839d32e5c8ecca1
Click an original (Version column has ORIGINAL) file on it's ID
- Also for this asset note the field Remote URL, it might contain e.g. https://easydb.example.com/eas/partitions-inline/1/0/1270/1270/acda0f0f5982bb64
Next you need to cut off the last parts of the Remote URLs in your notes, so that only the URL prefix remains, which is what you need. The prefix ends before the single zero. So in our example the prefixes are:

https://easydb.example.com/eas/partitions-inline/2/ (for Versions and)
https://easydb.example.com/eas/partitions-inline/1/ (for Originals)

Count the number of partitions in https://easydb.example.com/servermanager
Continue searching through different files as above until you have the URL prefix for each partition (but often there are just two).

5.b Configure the locations

Surf to https://fylr.example.com/locationmanager (log in as root)

Create the following two:

Fylr location EAS originals
- Read Only
- Directory (in container) /mnt/orig
- Remote Url Prefix example: https://easydb.example.com/eas/partitions-inline/1/
Fylr location EAS versions
- Directory (in container) /mnt/dest
- Remote URL Prefix example: https://easydb.example.com/eas/partitions-inline/2/
- If you have enough free storage space to double all preview versions, then set this location to Read Only. Then none of them will be deleted. Otherwise set it as Default Location for versions . Then easydb previews will be deleted as they are replaced with fylr previews. Read Only is safer, especially if you still want to use easydb, and thus recommended.

5.c Let fylr use the asset files of easydb5 directly from disk, without asking easydb

Go to https://fylr.example.com/inspect/files/

search with Location=remote

Choose Action Map to local storage and Search result, not Selected. Click the button Action at the right.

Now the easydb is not used by fylr any more.

This was the central step. fylr is now independent from easydb and easydb can be turned off. (after testing fylr of course)

6. Adjust previews to fylr standards

As previews from easydb are different from fylr previews, it is recommended to replace easydb previews with fylr previews. This will be done in the background while you can already work with fylr. Although this whole step is optional, you should do it if you encounter problems. When seeking support from the developer you will likely be asked to do this step to come to a clean coherent state.

6.a Produce fylr previews

Surf to https://fylr.example.com/inspect/files/ (login as root)

In the drop down menu Version choose original and click the Search button.

In the drop down menu Action choose produce versions .

To the right select the round button below Search result (not below Selected).

Click the Action button.

6.b Check whether all previews have been replaced

Is the File queue empty at https://fylr.example.com/inspect/system/queues/?queue=file ? At the top it would show something like: There are 18 parallel and 10 parallel high priority only file workers active. The queue contains 0 total entries.

Surf to https://fylr.example.com/inspect/files/ (login as root)
- In the drop down menu location choose EAS versions and click the Search button.
- The Search shows zero results when all have been replaced.

6.c Remove easydb preview versions to regain storage (optional)

At first just remove fylr's access to them (e.g. remove it from /srv/fylr/docker-compose.yml and recreate the container).

Check that the fylr webfrontend still shows previews, an https://fylr.example.com.

Then, when all is still working, you can delete them to free storage capacity.

7. Remove easydb

This step is optional but recommended, as easydb lifetime and support will end before fylr's.

7.a Replace easydb PostgreSQL and Indexer

See the default fylr installation for the missing pieces and adjust docker-compose.yml and fylr.yml.

7.b Remove Apache

See the default fylr installation and adjust docker-compose.yml and fylr.yml. for default ports and certificate.

systemctl stop apache2
systemctl disable apache2
systemctl mask apache2
/srv/fylr/maintain fylr-recreate
cd /srv/fylr
docker-compose logs -f fylr

7.c Change fylr domain

In case you want to change fylr's domain to the former domain of easydb, see here.

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Last updated 5 days ago