scn-redmine

Redmine container for Seattle Community Network

This is intended to be the thinnest shim possible on top of the Bitnami redmine container (https://hub.docker.com/r/bitnami/redmine/) to support receiving email via IMAP and secure storage of secrets. When possible, follow the Bitnami instructions.

This project will also act as an example of best practices for minimalist container-based projects with support tools to backup and recover container volumes and other documented operating procedures.

Dependencies

Docker

While this is intended to be a generic "container", it has only been tested with a standard Docker Engine install on a Unbuntu Linux environment.

To install the necessary tools, see: https://docs.docker.com/engine/install/ubuntu/

The process is essentially:

sudo apt-get update
sudo apt-get install ca-certificates curl gnupg
sudo install -m 0755 -d /etc/apt/keyrings
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor -o /etc/apt/keyrings/docker.gpg
sudo chmod a+r /etc/apt/keyrings/docker.gpg
echo \
  "deb [arch="$(dpkg --print-architecture)" signed-by=/etc/apt/keyrings/docker.gpg] https://download.docker.com/linux/ubuntu \
  "$(. /etc/os-release && echo "$VERSION_CODENAME")" stable" | \
  sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
sudo apt-get update
sudo apt-get install docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin
sudo docker run hello-world

Operation

Initial Setup

Clone the repo https://github.com/Local-Connectivity-Lab/scn-redmine.

git clone https://github.com/Local-Connectivity-Lab/scn-redmine redmine
cd redmine

Deploy into a standard Docker engine:

docker compose up --build -d

Login the first with the default credentials: user, pw:bitnami1
Create a user with administrator privlidges:
1. Click Administration in the top menu.
2. Click Users in the left-hand column.
3. Click New User near the top, on the right hand side.
4. Fill out the Information and Authentication forms, including the Administrator checkbox.
5. Click Create to save the data and create the new user.
Sign out (top right) and login as the user you just created.
Delete the temporary user user:
1. Go back to Administration -> Users
2. On the line for the user user, client the Delete button.
3. Enter the username user to validate.
4. Click the Delete button.
Create an admin bot user for netbot (if netbot is being used).
Create the "Discord ID" user custom field:
1. Go to Administration -> Custom Fields
2. Click New custom field near the top, on the right hand side.
3. Select Users and click Next.
4. For Name enter Discord ID
5. Click the Used as a filter checkbox
6. Click Create to create the custom field.
Create the "syncdata" custom field:
1. Click New custom field near the top, on the right hand side.
2. Select Tickets and click Next.
3. For Name enter syncdata
4. Click the Used as a filter checkbox
5. Click the Searchable checkbox
6. Click the Bug, Feature, Support checkboxs under Trackers
7. Click For all projects under Projects.
8. Click Create to create the custom field.
Create the "To/CC" user custom field...
1. Click New custom field near the top, on the right hand side.
2. Select Tickets and click Next.
3. For Name enter To/CC
4. Click the Used as a filter checkbox
5. Click the Searchable checkbox
6. Click the Bug, Feature, Support checkboxs under Trackers
7. Click For all projects under Projects.
8. Click Create to create the custom field.

Standard Deployment

This process is used any time there is an update to the SCN Redmine container to deploy.

cd github/redmine
git pull
git submodule update --init --recursive
docker compose down
docker compose up --build -d

Backup and Restore

The provided cluster script handles creating backups and restoring the cluster state from them.

To create a backup:

docker compose down
./cluster backup
docker compose up -d

This will create a file named clustername-datestamp.tgz, like: redmine-202308051251.tgz

To restore a cluster from backup:

docker compose down
./cluster restore redmine-202308051251.tgz
docker compose up -d

Backup Process & Structure

The backup file is created by cluster backup is a gzipped tar file wrapping a gzipped tar file for each volume mentioned in the docker-compose.yml. It is automatically named with the cluster name (the parent directory of the compose yaml) and a to-the-minute precise datestamp.

The process for creating a backup:

Creating a new date-stamped dir from the parent-dir name (same as compose): name-YYYYMMDDHHMM
For each volume mentioned in the compose.yml 2.1 Run an empty container, with the volume and the backup dir mounted 2.2 Archive contents of volume: volume.tgz in the mounted backup dir, w/o parent-context
tar-gzip the entire backyp dir into name-YYYYMMDDHHMM.tgz

Restoring the backup file with 'cluster restore backup-file.tgz'

Untar the backup file
For each tgz file in the backup: 2.1 Confirm a matching entry in the compose file 2.2 Run a simple container, mounting the volume and the backup 2.3 Import the backup into the volume with tar on the specific volume
Cleanup the backup dir (leaving the backup.tgz untouched)

Further Reading

License

Local-Connectivity-Lab/scn-redmine

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