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kubernetes: add sysctl.d configuration

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The startup of kubernetes relies on some kernel/runtime configuration.
We create a sysctl.d snippet to ensure that critical ones are set when
installing our packages.

Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com>
This commit is contained in:
Bruce Ashfield 2021-12-15 12:56:28 -05:00
parent 5b3b2599db
commit 14025b2ee5
2 changed files with 6 additions and 1 deletions
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1
recipes-containers/kubernetes/kubernetes/99-kubernetes.conf Normal file
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@ -0,0 +1 @@
net.ipv4.ip_forward = 1

6
recipes-containers/kubernetes/kubernetes_git.bb
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@ -32,6 +32,7 @@ SRC_URI:append = " \
file://0001-Makefile.generated_files-Fix-race-issue-for-installi.patch \
file://cni-containerd-net.conflist \
file://k8s-init \
file://99-kubernetes.conf \
"
DEPENDS += "rsync-native \
@ -105,6 +106,9 @@ do_install() {
if ${@bb.utils.contains('DISTRO_FEATURES','systemd','true','false',d)}; then
install -d "${D}${BIN_PREFIX}/bin"
install -m 755 "${WORKDIR}/k8s-init" "${D}${BIN_PREFIX}/bin"
install -d ${D}${sysconfdir}/sysctl.d
install -m 0644 "${WORKDIR}/99-kubernetes.conf" "${D}${sysconfdir}/sysctl.d"
fi
}
@ -135,7 +139,7 @@ SYSTEMD_AUTO_ENABLE:kubelet = "enable"
FILES:kubectl = "${bindir}/kubectl"
FILES:kube-proxy = "${bindir}/kube-proxy"
FILES:${PN}-misc = "${bindir}"
FILES:${PN}-misc = "${bindir} ${sysconfdir}/sysctl.d"
ALLOW_EMPTY:${PN}-host = "1"
FILE:${PN}-host = "${BIN_PREFIX}/bin/k8s-init"