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REAMDE + Makefile

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This commit is contained in:
Aleksander Cynarski
2022-03-13 14:22:45 +01:00
parent 3c516a1d2e
commit c7bf7f7870
4 changed files with 112 additions and 13 deletions
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22
provision/rke2-server.sh
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@ -40,6 +40,7 @@ cat >/etc/motd <<'EOF'
EOF
h1 "Configure rke2 server"
# configure the rke2 server.
# see https://docs.rke2.io/install/install_options/install_options/
# see https://docs.rke2.io/install/install_options/server_config/
@ -64,6 +65,8 @@ cluster-dns: 10.13.0.10
cluster-domain: cluster.local
EOF
h1 "Install rke2 server"
h2 "Version: ${rke2_version}"
# install rke2 server.
# see https://docs.rke2.io/install/install_options/install_options/
# see https://docs.rke2.io/install/install_options/server_config/
@ -74,11 +77,13 @@ curl -sfL https://raw.githubusercontent.com/rancher/rke2/$rke2_version/install.s
INSTALL_RKE2_TYPE="server" \
sh -
h2 "Start rke2 server"
# start the rke2-server service.
systemctl cat rke2-server
systemctl enable rke2-server.service
systemctl start rke2-server.service
h2 "Configure system path for rke2"
# symlink the utilities and setup the environment variables to use them.
ln -fs /var/lib/rancher/rke2/bin/{kubectl,crictl,ctr} /usr/local/bin/
cat >/etc/profile.d/01-rke2.sh <<'EOF'
@ -89,28 +94,23 @@ export KUBECONFIG=/etc/rancher/rke2/rke2.yaml
EOF
source /etc/profile.d/01-rke2.sh
# wait for this node to be Ready.
h1 "wait for this node to be Ready."
# e.g. server Ready control-plane,etcd,master 3m v1.21.5+rke2r1
$SHELL -c 'node_name=$(hostname); echo "waiting for node $node_name to be ready..."; while [ -z "$(kubectl get nodes $node_name | grep -E "$node_name\s+Ready\s+")" ]; do sleep 3; done; echo "node ready!"'
# wait for the kube-dns pod to be Running.
h1 "wait for the kube-dns pod to be Running."
# e.g. rke2-coredns-rke2-coredns-7bb4f446c-jksvq 1/1 Running 0 33m
$SHELL -c 'while [ -z "$(kubectl get pods --selector k8s-app=kube-dns --namespace kube-system | grep -E "\s+Running\s+")" ]; do sleep 3; done'
# save the node-token in the host.
# NB do not create a token yourself as a simple hex random string, as that will
# not include the Cluster CA which means the joining nodes will not
# verify the server certificate. rke2 warns about this as:
# Cluster CA certificate is not trusted by the host CA bundle, but the
# token does not include a CA hash. Use the full token from the server's
# node-token file to enable Cluster CA validation
if [ "$rke2_command" == 'cluster-init' ]; then
h2 "Copy server token to shared directory"
install -d /vagrant/tmp
cp /var/lib/rancher/rke2/server/node-token /vagrant/tmp/node-token
fi
# install the krew kubectl package manager.
echo "installing the krew $krew_version kubectl package manager..."
h1 "Install krew package manager"
h2 "Version: ${krew_version}"
apt-get install -y --no-install-recommends git
wget -qO- "https://github.com/kubernetes-sigs/krew/releases/download/$krew_version/krew.tar.gz" | tar xzf - ./krew-linux_amd64
wget -q "https://github.com/kubernetes-sigs/krew/releases/download/$krew_version/krew.yaml"