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uds-capability-mattermost

Contains both the Mattermost Operator and a Mattermost component

Bigbang Mattermost Operator deployed via flux by zarf

Bigbang Mattermost deployed via flux by zarf

Deployment Prerequisites

Resources

  • Minimum compute requirements for single node deployment are at LEAST 64 GB RAM and 32 virtual CPU threads (aws m6i.8xlarge instance type should do)
  • k3d installed on machine

General

  • Create mattermost namespace
  • Label mattermost namespace with istio-injection: enabled

Database

  • A Postgres database is running on port 5432 and accessible to the cluster
  • This database can be logged into via the username mattermost
  • This database instance has a psql database created named mattermostdb
  • The mattermost user has read/write access to the above mentioned database
  • Create mattermost-postgres service in mattermost namespace that points to the psql database
  • Create mattermost-postgres secret in mattermost namespace with the keys DB_CONNECTION_STRING and DB_CONNECTION_CHECK_URL that contains connection the string to the for the psql database. Example connection string postgres://mattermost:###ZARF_VAR_POSTGRES_DB_PASSWORD###@mattermost-postgres.mattermost.svc.cluster.local:5432/mattermostdb?connect_timeout=10&sslmode=disable

Object Storage

  • Create the secret mattermost-object-store in the mattermost namespace with the following keys:
    • An example for in-cluster Minio can be found in this repository at the path utils/pkg-deps/mattermost/minio/secret.yaml
    • Secret needs to contain the accessKey and secretKey for the object storage.
  • Create a bucket called mattermost-bucket
  • You can add a suffix to the bucket name using the MATTERMOST_BUCKET_SUFFIX zarf variable
  • Set the MATTERMOST_FILE_STORE_ENDPOINT zarf variable to the appropriate endpoint for your file store.

Deploy

Use zarf to login to the needed registries i.e. registry1.dso.mil

# Download Zarf
make build/zarf

# Login to the registry
set +o history

# registry1.dso.mil (To access registry1 images needed during build time)
export REGISTRY1_USERNAME="YOUR-USERNAME-HERE"
export REGISTRY1_TOKEN="YOUR-TOKEN-HERE"
echo $REGISTRY1_TOKEN | build/zarf tools registry login registry1.dso.mil --username $REGISTRY1_USERNAME --password-stdin

set -o history

Build and Deploy Everything via Makefile and local package

# This will run make build/all, make cluster/reset, and make deploy/all. Follow the breadcrumbs in the Makefile to see what and how its doing it.
make all

Declare This Package In Your UDS Bundle

Below is an example of how to use this projects zarf package in your UDS Bundle

kind: UDSBundle
metadata:
  name: example-bundle
  description: An Example UDS Bundle
  version: 0.0.1
  architecture: amd64

zarf-packages:
  # Mattermost Operator with a Mattermost instance
  - name: mattermost
    repository: ghcr.io/defenseunicorns/uds-capability/mattermost
    ref: x.x.x