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k8s: test init script

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Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com>
This commit is contained in:
Bruce Ashfield 2021-12-10 15:27:30 -05:00
parent 9c1f90d46b
commit 183da8b15e
2 changed files with 39 additions and 1 deletions
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28
recipes-containers/kubernetes/kubernetes/k8s-init Normal file
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@ -0,0 +1,28 @@
#!/bin/sh
#
# Copyright (C) 2021 Bruce Ashfield
#
# SPDX-License-Identifier: Apache-2.0
# cleanup the iptables
cp /etc/sysconfig/iptables /etc/sysconfig/iptables.ORIG && iptables --flush && iptables --flush && iptables-save > /etc/sysconfig/iptables
systemctl restart iptables.service
# Load/Enable br_netfilter kernel module
modprobe br_netfilter
modprobe overlay
echo '1' > /proc/sys/net/bridge/bridge-nf-call-iptables
echo '1' > /proc/sys/net/bridge/bridge-nf-call-ip6tables
echo 'net.bridge.bridge-nf-call-iptables=1' >> /etc/sysctl.d/k8s.conf
echo 'net.bridge.bridge-nf-call-ip6tables=1' >> /etc/sysctl.d/k8s.conf
echo 'net.ipv4.ip_forward=1' >> /etc/sysctl.d/k8s.conf
systemctl restart systemd-sysctl.service
kubeadm init
# Copy the cluster configuration to the regular users home directory
mkdir -p $HOME/.kube
cp -i /etc/kubernetes/admin.conf $HOME/.kube/config
chown $(id -u):$(id -g) $HOME/.kube/config

12
recipes-containers/kubernetes/kubernetes_git.bb
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@ -31,6 +31,7 @@ SRC_URI:append = " \
file://0001-build-golang.sh-convert-remaining-go-calls-to-use.patch \
file://0001-Makefile.generated_files-Fix-race-issue-for-installi.patch \
file://cni-containerd-net.conflist \
file://k8s-init \
"
DEPENDS += "rsync-native \
@ -100,11 +101,16 @@ do_install() {
install -m 0644 ${WORKDIR}/git/release/cmd/kubepkg/templates/latest/deb/kubelet/lib/systemd/system/kubelet.service ${D}${systemd_unitdir}/system/
install -m 0644 ${WORKDIR}/git/release/cmd/kubepkg/templates/latest/deb/kubeadm/10-kubeadm.conf ${D}${systemd_unitdir}/system/kubelet.service.d/
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"
fi
}
CNI_NETWORKING_FILES ?= "${WORKDIR}/cni-containerd-net.conflist"
PACKAGES =+ "kubeadm kubectl kubelet kube-proxy ${PN}-misc"
PACKAGES =+ "kubeadm kubectl kubelet kube-proxy ${PN}-misc ${PN}-host"
ALLOW_EMPTY:${PN} = "1"
INSANE_SKIP:${PN} += "ldflags already-stripped"
@ -131,6 +137,10 @@ FILES:kubectl = "${bindir}/kubectl"
FILES:kube-proxy = "${bindir}/kube-proxy"
FILES:${PN}-misc = "${bindir}"
ALLOW_EMPTY:${PN}-host = "1"
FILE:${PN}-host = "${BIN_PREFIX}/bin/k8s-init"
RDEPENDS:${PN}-host = "${PN}"
RRECOMMENDS:${PN} = "\
kernel-module-xt-addrtype \
kernel-module-xt-nat \