airship/airshipctl
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4e296dacab
airshipctl/krm-functions/cloud-init/README.md
Vladimir Kozhukalov 6523c800ad Build ephemeral iso using generic container 
We build iso image in two steps
 1) We prepare cloud-init data using a krm function
    krm-functions/cloud-init which uses arishipctl capabilities
    to gather necessary data from the executor document bundle.
    Cloud-init data files are written into a directory mounted
    to the krm function container.
 2) We build iso image using image-builder. While doing this
    we mount the directory with cloud-init data files and set
    necessary environment variables defined in the executor
    document.

Relates-To: #440
Change-Id: Id0b34822e95f494d2e2f8fb407700b7f873e7c69
2021-02-25 13:08:31 +00:00

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Cloud-init

This function generates yaml files (user-data and network-data) needed for building the bootstrap ISO image. It assumes a ResourceList is passed to its input where items field is a phase executor document bundle that contains necessary data. To get the data from the bundle the functionConfig field must contain IsoConfiguration document that defines document selector parameters.