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class Coreos < Operatingsystem
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#
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# Original CoreOS example PXE URLs:
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# https://stable-temporary-archive.release.core-os.net/amd64-usr/2512.3.0/coreos_production_pxe.vmlinuz
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# https://stable-temporary-archive.release.core-os.net/amd64-usr/2512.3.0/coreos_production_pxe_image.cpio.gz
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#
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# Flatcar example PXE URLs:
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# https://stable.release.flatcar-linux.net/amd64-usr/current/flatcar_production_image.vmlinuz
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# https://stable.release.flatcar-linux.net/amd64-usr/current/flatcar_production_pxe_image.cpio.gz
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#
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PXEFILES = {
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kernel: 'coreos_production_pxe.vmlinuz',
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initrd: 'coreos_production_pxe_image.cpio.gz',
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}
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def pxe_type
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'coreos'
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end
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def bootfile(medium_provider, type)
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super.sub('coreos_', "#{pxe_file_prefix}_")
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end
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def mediumpath(medium_provider)
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medium_provider.medium_uri('$arch-usr/') do |vars|
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transform_vars(vars)
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end.to_s
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end
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def pxedir(medium_provider = nil)
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if medium_provider&.os_major&.to_s == "0"
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'$arch-usr/current'
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else
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'$arch-usr/$version'
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end
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end
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def boot_file_sources(medium_provider, &block)
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sources = super do |vars|
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vars = yield(vars) if block_given?
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transform_vars(vars)
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end
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sources.transform_values do |url|
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url.sub('/coreos_', "/#{pxe_file_prefix}_")
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end
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end
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def display_family
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'CoreOS'
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end
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# Does this OS family use release_name in its naming scheme
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def use_release_name?
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true
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end
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# Helper text shown next to major version (do not use i18n)
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def major_version_help
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'2512.3 or set to 0 to use current'
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end
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# Helper text shown next to minor version (do not use i18n)
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def minor_version_help
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'0'
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end
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# Helper text shown next to release name (do not use i18n)
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def release_name_help
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'stable, beta, alpha, edge'
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end
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private
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# tries to guess if this a flatcar or original coreos container linux
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def pxe_file_prefix
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(name =~ /flatcar/i) ? 'flatcar' : 'coreos'
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end
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def transform_vars(vars)
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vars[:arch] = vars[:arch].sub('x86_64', 'amd64')
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end
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end
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