33 lines
1.4 KiB
Diff
33 lines
1.4 KiB
Diff
diff --git a/src/maasserver/preseed.py b/src/maasserver/preseed.py
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index f9ba34a18..a9f41b9c2 100644
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--- a/src/maasserver/preseed.py
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+++ b/src/maasserver/preseed.py
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@@ -232,7 +232,27 @@ def compose_curtin_kernel_preseed(node):
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The BootResourceFile table contains a mapping between hwe kernels and
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Ubuntu package names. If this mapping is missing we fall back to letting
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Curtin figure out which kernel should be installed"""
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+
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+ # previous logic to retrieve kpackage parameter
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kpackage = BootResource.objects.get_kpackage_for_node(node)
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+
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+ # determine if this node has kernel parameters applied by drydock
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+ # and override kpackage if we discover the right properties
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+ kernel_opt_tag = "%s_kp" % (node.hostname)
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+ if kernel_opt_tag in node.tag_names():
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+
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+ # the tag exists, retrieve it
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+ kernel_opts = node.tags.get(name=kernel_opt_tag).kernel_opts
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+
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+ # parse the string and find our package param value
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+ # e.g. kernel_package=linux-image-4.15.0-34-generic
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+ kparams = kernel_opts.split()
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+ kdict = dict(
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+ kparam.split("=", 1) for kparam in kparams if "=" in kparam
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+ )
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+ if "kernel_package" in kdict:
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+ kpackage = kdict["kernel_package"]
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+
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if kpackage:
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kernel_config = {"kernel": {"package": kpackage, "mapping": {}}}
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return [yaml.safe_dump(kernel_config)]
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