custom ca certifcates Ignition

config.json

{
  "ignition": {
    "config": {
      "replace": {
        "source": "https://example.com/sample.ign"
      }
    },
    "security": {
      "tls": {
        "certificateAuthorities": [
          {
            "source": "https://example.com/source1"
          }
        ]
      }
    },
    "version": "3.4.0"
  }
}

config.yaml

# butane configuration
# butane < config.yaml > config.json
variant: flatcar
version: 1.1.0
ignition:
  config:
    replace:
      source: https://example.com/sample.ign
  security:
    tls:
      certificate_authorities:
        - source: https://example.com/source1