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A runner for Gitea based on act.
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sillyguodong 35596a182b Add configuration item of container.network (#184)
Close https://gitea.com/gitea/act_runner/issues/177
Related https://gitea.com/gitea/act/pulls/56

### ⚠️ Breaking
The `container.network_mode` is a deprecated configuration item. It may be removed after Gitea 1.20 released.
Previously, if the value of `container.network_mode` is `bridge`, it means that `act_runner` will create a new network for job.But `bridge` is easily confused with the bridge network created by Docker by default.
We recommand that using `container.network` to specify the network to which containers created by `act_runner` connect.

###  🆕 container.network
The configuration file of `act_runner` add a new item of `contianer.network`.
In `config.example.yaml`:
```yaml
container:
  # Specifies the network to which the container will connect.
  # Could be host, bridge or the name of a custom network.
  # If it's empty, act_runner will create a network automatically.
  network: ""
```

As the comment in the example above says, the purpose of the `container.network` is specifying the network to which containers created by `act_runner` will connect.

`container.network` accepts the following valid values:
- `host`: All of containers (including job containers and service contianers) created by `act_runner` will be connected to the network named `host` which is created automatically by Docker. Containers will share the host’s network stack and all interfaces from the host will be available to these containers.
- `bridge`: It is similar to `host`. All of containers created by `act_runner` will be connected to the network named `bridge` which is created automatically by Docker. All containers connected to the `bridge` (Perhaps there are containers that are not created by `act_runner`) are allowed to communicate with each other, while providing isolation from containers which are not connected to that `bridge` network.
- `<custom_network>`: Please make sure that the `<custom_network>` network already exists firstly (`act_runner` does not detect whether the specified network exists currently. If not exists yet, will return error in the stage of `docker create`). All of containers created by `act_runner` will be connected to `<custom_network>`. After the job is executed, containers are removed and automatically disconnected from the `<custom_network>`.
- empty: `act_runner` will create a new network for each job container and their service containers (if defined in workflow). So each job container and their service containers share a network environment, but are isolated from others container and the Docker host. Of course, these networks created by `act_runner` will be removed at last.

### Others
- If you do not have special needs, we highly recommend that setting `container.network` to empty string (and do not use `container.network_mode` any more). Because the containers created by `act_runner` will connect to the networks that are created by itself. This point will provide better isolation.
- If you set `contianer.network` to empty string or `<custom_network>`, we can be access to service containers by `<service-id>:<port>` in the steps of job. Because we added an alias to the service container when connecting to the network.

Co-authored-by: Jason Song <i@wolfogre.com>
Reviewed-on: https://gitea.com/gitea/act_runner/pulls/184
Reviewed-by: Jason Song <i@wolfogre.com>
Co-authored-by: sillyguodong <gedong_1994@163.com>
Co-committed-by: sillyguodong <gedong_1994@163.com>
2023-05-16 14:46:59 +08:00
.gitea/workflows build: optimize Dockerfile and update dependencies (#162) 2023-04-29 12:07:15 +08:00
internal Add configuration item of container.network (#184) 2023-05-16 14:46:59 +08:00
.editorconfig Add .editorconfig and .gitattributes (#186) 2023-05-13 23:51:22 +08:00
.gitattributes Add .editorconfig and .gitattributes (#186) 2023-05-13 23:51:22 +08:00
.gitignore build: improve compression and update GitHub actions (#168) 2023-05-01 21:59:43 +08:00
.golangci.yml chore: add .golangci config 2022-11-24 15:36:28 +08:00
.goreleaser.checksum.sh checksum and compress 2023-03-18 01:58:21 -04:00
.goreleaser.yaml ci: improve release process and test robustness (#173) 2023-05-04 09:41:22 +08:00
build.go Support cache (#25) 2023-02-28 23:39:30 +08:00
Dockerfile Fix missing runner version when building images from a Dockerfile (#181) 2023-05-09 16:44:31 +08:00
go.mod Add configuration item of container.network (#184) 2023-05-16 14:46:59 +08:00
go.sum Add configuration item of container.network (#184) 2023-05-16 14:46:59 +08:00
LICENSE Add license 2022-11-24 15:36:16 +08:00
main.go Refactor to new framework (#98) 2023-04-04 21:32:04 +08:00
Makefile Skip counting log length when parseLogRow return nil (#176) 2023-05-06 17:00:52 +08:00
README.md Fix README.md typo on daemon (#183) 2023-05-11 14:25:39 +08:00
run.sh Run as a container (#8) including Docker-in-Docker. (#84) 2023-04-11 10:58:12 +08:00

act runner

Act runner is a runner for Gitea based on Gitea fork of act.

Installation

Prerequisites

Docker Engine Community version is required for docker mode. To install Docker CE, follow the official install instructions.

Download pre-built binary

Visit here and download the right version for your platform.

Build from source

make build

Build a docker image

make docker

Quickstart

Register

./act_runner register

And you will be asked to input:

  1. Gitea instance URL, like http://192.168.8.8:3000/. You should use your gitea instance ROOT_URL as the instance argument and you should not use localhost or 127.0.0.1 as instance IP;
  2. Runner token, you can get it from http://192.168.8.8:3000/admin/runners;
  3. Runner name, you can just leave it blank;
  4. Runner labels, you can just leave it blank.

The process looks like:

INFO Registering runner, arch=amd64, os=darwin, version=0.1.5.
WARN Runner in user-mode.
INFO Enter the Gitea instance URL (for example, https://gitea.com/):
http://192.168.8.8:3000/
INFO Enter the runner token:
fe884e8027dc292970d4e0303fe82b14xxxxxxxx
INFO Enter the runner name (if set empty, use hostname: Test.local):

INFO Enter the runner labels, leave blank to use the default labels (comma-separated, for example, ubuntu-20.04:docker://node:16-bullseye,ubuntu-18.04:docker://node:16-buster,linux_arm:host):

INFO Registering runner, name=Test.local, instance=http://192.168.8.8:3000/, labels=[ubuntu-latest:docker://node:16-bullseye ubuntu-22.04:docker://node:16-bullseye ubuntu-20.04:docker://node:16-bullseye ubuntu-18.04:docker://node:16-buster].
DEBU Successfully pinged the Gitea instance server
INFO Runner registered successfully.

You can also register with command line arguments.

./act_runner register --instance http://192.168.8.8:3000 --token <my_runner_token> --no-interactive

If the registry succeed, it will run immediately. Next time, you could run the runner directly.

Run

./act_runner daemon

Configuration

You can also configure the runner with a configuration file. The configuration file is a YAML file, you can generate a sample configuration file with ./act_runner generate-config.

./act_runner generate-config > config.yaml

You can specify the configuration file path with -c/--config argument.

./act_runner -c config.yaml register # register with config file
./act_runner -c config.yaml daemon # run with config file

Run a docker container

docker run -e GITEA_INSTANCE_URL=http://192.168.8.18:3000 -e GITEA_RUNNER_REGISTRATION_TOKEN=<runner_token> -v /var/run/docker.sock:/var/run/docker.sock -v $PWD/data:/data --name my_runner gitea/act_runner:nightly

The /data directory inside the docker container contains the runner API keys after registration. It must be persisted, otherwise the runner would try to register again, using the same, now defunct registration token.

Running in docker-compose

...
  gitea:
    image: gitea/gitea
    ...

  runner:
    image: gitea/act_runner
    restart: always
    depends_on:
      - gitea
    volumes:
      - ./data/act_runner:/data
      - /var/run/docker.sock:/var/run/docker.sock
    environment:
      - GITEA_INSTANCE_URL=<instance url>
      - GITEA_RUNNER_REGISTRATION_TOKEN=<registration token>