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Kernel Commandline: Fix 4271 #4273

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merged 2 commits into from Jul 21, 2023
Merged

Kernel Commandline: Fix 4271 #4273

merged 2 commits into from Jul 21, 2023

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holmanb
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@holmanb holmanb commented Jul 21, 2023 

Fix NoCloud kernel commandline key parsing

Currently >2 keys in NoCloud datasource are not
supported. Previously 250280 attempted to correct
no keys being supported, however that fix was only
partial since more than one key breaks datasource
detection.

Additionally add test coverage.

Fixes GH-4271

blackboxsw
blackboxsw approved these changes Jul 21, 2023
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LGTM

$ cat  > 1.sh  <<EOF
val="nocloud;s=http://my-url/;h=hostname"
echo -- PRIOR BEHAVIOR --
echo ${val%;*}
echo -- FIXED BEHAVIOR --
echo ${val%%;*}
EOF
$ sh ./1.sh
-- PRIOR BEHAVIOR --
nocloud;s=http://my-url/
-- FIXED BEHAVIOR --
nocloud

tools/ds-identify
# discard anything after delimiter
val=${val%;*}
# discard anything after the first delimiter
val=${val%%;*}
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Ugh, excellent, and correct fix. bash variable truncation :/

@holmanb holmanb merged commit fda2ec6 into canonical:main Jul 21, 2023
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aciba90 pushed a commit to aciba90/cloud-init that referenced this pull request Jul 26, 2023
@holmanb @aciba90
Fix NoCloud kernel commandline key parsing (canonical#4273)
bd90999 
Currently >2 keys in NoCloud datasource are not
supported. Previously 250280 attempted to correct
no keys being supported, however that fix was only
partial since more than one key breaks datasource
detection.

Additionally add test coverage.

Fixes canonicalGH-4271
TheRealFalcon pushed a commit to TheRealFalcon/cloud-init that referenced this pull request Jul 26, 2023
@holmanb @TheRealFalcon
Fix NoCloud kernel commandline key parsing (canonical#4273)
38d4030 
Currently >2 keys in NoCloud datasource are not
supported. Previously 250280 attempted to correct
no keys being supported, however that fix was only
partial since more than one key breaks datasource
detection.

Additionally add test coverage.

Fixes canonicalGH-4271
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@holmanb @blackboxsw