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runc.installer: add nokmem build tag for rhel7 kernel

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In case we're running on RHEL7 kernel, which has non-working
and broken kernel memory controller, add 'nokmem' build tag
so that runc never enables kmem accounting.

For more info, see the following runc commit:
https://github.com/opencontainers/runc/commit/6a2c1559684

This behavior can be overriden by having `RUNC_NOKMEM` environment
variable set (e.g. to empty value to disable setting nokmem).

Signed-off-by: Kir Kolyshkin <kolyshkin@gmail.com>
This commit is contained in:
Kir Kolyshkin 2018-11-06 11:15:36 -08:00
parent 335736fb01
commit 8972aa9350
1 changed files with 8 additions and 3 deletions
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11
hack/dockerfile/install/runc.installer
View file

@ -4,10 +4,15 @@
RUNC_COMMIT=9f1e94488e5e478e084fef997f022565b64b01d9
install_runc() {
# Do not build with ambient capabilities support
RUNC_BUILDTAGS="${RUNC_BUILDTAGS:-"seccomp apparmor selinux"}"
# If using RHEL7 kernels (3.10.0 el7), disable kmem accounting/limiting
if uname -r | grep -q '^3\.10\.0.*\.el7\.'; then
: ${RUNC_NOKMEM='nokmem'}
fi
echo "Install runc version $RUNC_COMMIT"
# Do not build with ambient capabilities support
RUNC_BUILDTAGS="${RUNC_BUILDTAGS:-"seccomp apparmor selinux $RUNC_NOKMEM"}"
echo "Install runc version $RUNC_COMMIT (build tags: $RUNC_BUILDTAGS)"
git clone https://github.com/opencontainers/runc.git "$GOPATH/src/github.com/opencontainers/runc"
cd "$GOPATH/src/github.com/opencontainers/runc"
git checkout -q "$RUNC_COMMIT"