139 lines
5.0 KiB
Markdown
139 lines
5.0 KiB
Markdown
# FIXME
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Search and replace all mentions of FIXME with sensible content in this file and in [docker-compose.yml](docker-compose.yml).
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# Grafana Docker Compose files
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Docker Compose files to spin up an instance of Grafana FIXME capitalization FIXME.
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# How to run
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Add a `COMPOSE_ENV` file and save its location as a shell variable along with the location where this repo lives, here for example `/opt/containers/grafana` plus all other variables. At [env/fqdn_context.env.example](env/fqdn_context.env.example) you'll find an example environment file.
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When everything's ready start Grafana with Docker Compose, otherwise head down to [Initial setup](#initial-setup) first.
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## Environment
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```
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export COMPOSE_DIR='/opt/containers/grafana'
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export COMPOSE_CTX='ux_vilnius'
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export COMPOSE_PROJECT='grafana-'"${COMPOSE_CTX}"
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export COMPOSE_FILE="${COMPOSE_DIR}"'/docker-compose.yml'
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export COMPOSE_ENV=<add accordingly>
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```
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## Context
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On your deployment machine create the necessary Docker context to connect to and control the Docker daemon on whatever target host you'll be using, for example:
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```
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docker context create fully.qualified.domain.name --docker 'host=ssh://root@fully.qualified.domain.name'
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```
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## Pull
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Pull images from Docker Hub verbatim.
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```
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docker compose --project-name "${COMPOSE_PROJECT}" --file "${COMPOSE_FILE}" --env-file "${COMPOSE_ENV}" --profile 'full' pull
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```
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## Copy to target
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Copy images to target Docker host, that is assuming you deploy to a machine that itself has no network route to reach Docker Hub. Copying in its simplest form involves a local `docker save` and a remote `docker load`. Consider the helper mini-project [quico.space/Quico/copy-docker](https://quico.space/Quico/copy-docker) where [copy-docker.sh](https://quico.space/Quico/copy-docker/src/branch/main/copy-docker.sh) allows the following workflow:
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```
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source "${COMPOSE_ENV}"
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# FIXME Docker Hub image name with or without slash? FIXME
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for image in 'grafana:'"${GRAFANA_VERSION}" 'nginx:'"${NGINX_VERSION}"; do
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copy-docker.sh "${image}" fully.qualified.domain.name
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done
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```
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## Start
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```
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docker --context 'fully.qualified.domain.name' compose --project-name "${COMPOSE_PROJECT}" --file "${COMPOSE_FILE}" --env-file "${COMPOSE_ENV}" --profile 'full' up --detach
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```
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# Initial setup
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We're assuming you run Docker Compose workloads with ZFS-based bind mounts. ZFS management, creating a zpool and setting adequate properties for its datasets is out of scope of this document.
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## Datasets
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Create ZFS datasets and set permissions as needed.
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* Parent dateset
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```
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zfs create -o mountpoint=/opt/docker-data 'zpool/docker-data'
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```
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* Container-specific datasets
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```
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zfs create -p 'zpool/docker-data/grafana-'"${COMPOSE_CTX}"'/grafana/data/db'
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zfs create -p 'zpool/docker-data/grafana-'"${COMPOSE_CTX}"'/grafana/data/logs'
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zfs create -p 'zpool/docker-data/grafana-'"${COMPOSE_CTX}"'/grafana/config'
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zfs create -p 'zpool/docker-data/grafana-'"${COMPOSE_CTX}"'/nginx/data/db'
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zfs create -p 'zpool/docker-data/grafana-'"${COMPOSE_CTX}"'/nginx/data/logs'
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zfs create -p 'zpool/docker-data/grafana-'"${COMPOSE_CTX}"'/nginx/config'
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```
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FIXME When changing bind mount locations to real ones remember to also update `volumes:` in [docker-compose.yml](docker-compose.yml) FIXME
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* Create subdirs
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```
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mkdir -p '/opt/docker-data/grafana-'"${COMPOSE_CTX}"'/grafana/'{'.ssh','config','data','projects'}
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```
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* Change ownership
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```
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chown -R 1000:1000 '/opt/docker-data/grafana-${COMPOSE_CTX}/grafana/data/'{*,.*}
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```
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## Additional files
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Place the following files on target server. Use the directory structure at [build-context](build-context) as a guide, specifically at `docker-data`.
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FIXME Add details about files that aren't self-explanatory FIXME
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```
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build-context/
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├── grafana
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│ ├── docker-data
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│ | └── config
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│ │ └── grafana.cfg
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│ ├── ...
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│ └── ...
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└── nginx
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├── docker-data
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| └── config
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│ └── nginx.cfg
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├── ...
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└── ...
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```
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When done head back up to [How to run](#how-to-run).
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# Development
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## Conventional commits
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This project uses [Conventional Commits](https://www.conventionalcommits.org/) for its commit messages.
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### Commit types
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Commit _types_ besides `fix` and `feat` are:
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- `refactor`: Keeping functionality while streamlining or otherwise improving function flow
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- `docs`: Documentation for project or components
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### Commit scopes
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The following _scopes_ are known for this project. A Conventional Commits commit message may optionally use one of the following scopes or none:
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- `grafana`: A change to how the `grafana` service component works
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- `nginx`: A change to how the `nginx` service component works
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- `build`: Build-related changes such as `Dockerfile` fixes and features.
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- `mount`: Volume or bind mount-related changes.
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- `net`: Networking, IP addressing, routing changes
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- `meta`: Affects the project's repo layout, file names etc.
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