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37 lines
1.2 KiB
Markdown
37 lines
1.2 KiB
Markdown
# Variables
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The build environment has access to the following environment variables:
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* `CI=true`
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* `DRONE=true`
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* `DRONE_REPO` - repository name for the current build
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* `DRONE_BUILD` - build number for the current build
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* `DRONE_BRANCH` - branch name for the current build
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* `DRONE_COMMIT` - git sha for the current build
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* `DRONE_DIR` - working directory for the current build
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## Private Variables
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You may also store encrypted, private variables in the `.drone.yml` and inject at runtime. Private variables are encrypted using RSA encryption with OAEP (see [EncryptOAEP](http://golang.org/pkg/crypto/rsa/#EncryptOAEP)). You can generate encrypted strings from your repository settings screen.
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Once you have an ecrypted string, you can add the encrypted variable to the `secure` section of the `.drone.yml`. These variables are decrypted and injected into the `.drone.yml` at runtime using the `$$` notation.
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An example `.drone.yml` expecting the `HEROKU_TOKEN` private variable:
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```yaml
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build:
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image: golang
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commands:
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- go get
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- go build
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- go test
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deploy:
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heroku:
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app: pied_piper
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token: $$HEROKU_TOKEN
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secure:
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HEROKU_TOKEN: <encrypted string>
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```
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