Browse code
Begin a section in the check-config script to check limits
Initially this checks the kernel's maxkeys setting which is
low in some older distribution kernels, such that only 200 containers
can be created, reported in #22865.
Signed-off-by: Justin Cormack <justin.cormack@docker.com>
Justin Cormack authored on 2016/05/21 08:05:25Showing 1 changed files
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@@ -275,3 +275,16 @@ echo '- Storage Drivers:' |
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} | sed 's/^/ /' |
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echo |
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+check_limit_over() |
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+{
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+ if [ $(cat "$1") -le "$2" ]; then |
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+ wrap_bad "- $1" "$(cat $1)" |
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+ wrap_color " This should be set to at least $2, for example set: sysctl -w kernel/keys/root_maxkeys=1000000" bold black |
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+ else |
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+ wrap_good "- $1" "$(cat $1)" |
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+ fi |
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+} |
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+ |
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+echo 'Limits:' |
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+check_limit_over /proc/sys/kernel/keys/root_maxkeys 10000 |
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+echo |