combustion

combustion

Documentation

Combustion files are a extension to container linux config specification, some extra functionalities.

Output

Output defines the filename of the output for the file, if empty or not present the file is not written to the disk.

Type

Type defines the format of the output, the supported options are: cloud-config, ignition or container-linux, by default container-linux is used.

Import

Import option allows you to import another config file, merging the imported file over the importing file.

The import key is a map, where the key is the path to the file to be imported, relative to the importing file, the value is another map used to replaced using the golang template system.

Given foo.yaml:

---
import:
  bar.yaml:
    world: World!

foo: bar
baz: qux

And the bar.yaml:

---
text: Hello {{.world}}
foo: qux

The result is:

---
text: Hello World!
foo: qux
baz: qux

Additional features

Additionally to the described features, a new schema is supported in storage.file.content.remote.url, the file schema. When combustion is executed the file, relative to the yaml, is resolved and included inline.

Given foo.yaml

---
storage:
  files:
    - path: foo.txt
      contents:
        remote:
          url: file:///foo.txt

And the foo.txt

Hello World!

The result is:

---
storage:
  files:
    - path: foo.txt
      contents:
        inline: Hello World!