https://github.com/drpsychick/toml_update

Update a toml configuration file from ENV variables
https://github.com/drpsychick/toml_update

12-factor go golang toml toml-config

Last synced: 11 months ago
JSON representation

Update a toml configuration file from ENV variables

• Host: GitHub
• URL: https://github.com/drpsychick/toml_update
• Owner: DrPsychick
• License: gpl-3.0
• Created: 2021-05-13T09:45:32.000Z (about 5 years ago)
• Default Branch: main
• Last Pushed: 2025-05-04T18:49:10.000Z (about 1 year ago)
• Last Synced: 2025-05-04T19:35:36.099Z (about 1 year ago)
• Topics: 12-factor, go, golang, toml, toml-config
• Language: Go
• Homepage:
• Size: 59.6 KB
• Stars: 1
• Watchers: 1
• Forks: 0
• Open Issues: 4
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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# toml_update

Update a toml configuration file from ENV variables

## Example

This example uses a `telegraf` configuration file, same works for other projects using the same configuration format

```shell

docker run --rm telegraf telegraf config > test.conf

export CONF_UPDATE=test.conf

export CONF_PREFIX=PFX

export PFX_myvar1=inputs.cpu.totalcpu=false

export PFX_whatever2=agent.interval="20s"

export PFX_ping_urls=inputs.ping.urls=["google.com","amazon.com"]

export PFX_emptysection=inputs.netstat.enabled=#no configuration

grep -e 'totalcpu' -e '^[^#]*interval = ' test.conf

# if you've cloned the repo, simply run `go build toml_update.go` to get the binary

./toml_update

grep -e 'totalcpu' -e '^[^#]*interval = ' test.conf

```

## Built and released with [goreleaser](https://goreleaser.com)

### Setup

```shell

docker run --rm --privileged \

  -v $PWD:/go/src/github.com/drpsychick/toml_update \

  -v /var/run/docker.sock:/var/run/docker.sock \

  -w /go/src/github.com/drpsychick/toml_update \

  goreleaser/goreleaser init

  

go mod init github.com/drpsychick/toml_update

```

### Test

```shell

docker run --rm --privileged \

  -v $PWD:/go/src/github.com/drpsychick/toml_update \

  -v /var/run/docker.sock:/var/run/docker.sock \

  -w /go/src/github.com/drpsychick/toml_update \

  goreleaser/goreleaser --snapshot --skip=publish --clean

```

### Release

```shell

git tag -a v0.0.8 -m "Reviewed"

git push origin v0.0.8

docker run --rm --privileged \

  -v $PWD:/go/src/github.com/drpsychick/toml_update \

  -v /var/run/docker.sock:/var/run/docker.sock \

  -w /go/src/github.com/drpsychick/toml_update \

  -e GITHUB_TOKEN=XXX \

  goreleaser/goreleaser release --clean

```