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provider-components.yaml.template
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apiVersion: apps/v1beta1
kind: Deployment
metadata:
name: clusterapi-controllers
labels:
api: clusterapi
spec:
replicas: 1
template:
metadata:
labels:
api: clusterapi
spec:
nodeSelector:
node-role.kubernetes.io/master: ""
tolerations:
- effect: NoSchedule
key: node-role.kubernetes.io/master
- key: CriticalAddonsOnly
operator: Exists
- effect: NoExecute
key: node.alpha.kubernetes.io/notReady
operator: Exists
- effect: NoExecute
key: node.alpha.kubernetes.io/unreachable
operator: Exists
containers:
- name: controller-manager
image: gcr.io/k8s-cluster-api/controller-manager:0.0.6
volumeMounts:
- name: config
mountPath: /etc/kubernetes
- name: certs
mountPath: /etc/ssl/certs
command:
- "./controller-manager"
args:
- --kubeconfig=/etc/kubernetes/admin.conf
resources:
requests:
cpu: 100m
memory: 20Mi
limits:
cpu: 100m
memory: 30Mi
- name: gce-machine-controller
image: gcr.io/k8s-cluster-api/gce-machine-controller:0.0.13
volumeMounts:
- name: config
mountPath: /etc/kubernetes
- name: certs
mountPath: /etc/ssl/certs
- name: credentials
mountPath: /etc/credentials
- name: sshkeys
mountPath: /etc/sshkeys
- name: machine-setup
mountPath: /etc/machinesetup
- name: kubeadm
mountPath: /usr/bin/kubeadm
env:
- name: GOOGLE_APPLICATION_CREDENTIALS
value: /etc/credentials/service-account.json
command:
- "./gce-machine-controller"
args:
- --kubeconfig=/etc/kubernetes/admin.conf
- --machinesetup=/etc/machinesetup/machine_setup_configs.yaml
resources:
requests:
cpu: 100m
memory: 20Mi
limits:
cpu: 100m
memory: 30Mi
volumes:
- name: config
hostPath:
path: /etc/kubernetes
- name: certs
hostPath:
path: /etc/ssl/certs
- name: sshkeys
secret:
secretName: machine-controller-sshkeys
defaultMode: 256
- name: credentials
secret:
secretName: machine-controller-credential
- name: machine-setup
configMap:
name: machine-setup
- name: kubeadm
hostPath:
path: /usr/bin/kubeadm
---
apiVersion: v1
kind: Secret
type: Opaque
metadata:
name: machine-controller-sshkeys
namespace: default
data:
user: $MACHINE_CONTROLLER_SSH_USER
private: $MACHINE_CONTROLLER_SSH_PRIVATE
# In-place master upgrade will not work till after https://github.com/kubernetes-sigs/cluster-api/issues/160
public: $MACHINE_CONTROLLER_SSH_PUBLIC
---
apiVersion: v1
kind: Secret
type: Opaque
metadata:
name: machine-controller-credential
namespace: default
data:
service-account.json: $MACHINE_CONTROLLER_SA_KEY
---
apiVersion: v1
kind: ConfigMap
metadata:
name: machine-setup
data:
machine_setup_configs.yaml: |-
items:
- machineParams:
- os: ubuntu-1604-lts
roles:
- Master
versions:
kubelet: 1.9.4
controlPlane: 1.9.4
image: projects/ubuntu-os-cloud/global/images/family/ubuntu-1604-lts
metadata:
startupScript: |
set -e
set -x
(
ARCH=amd64
function curl_metadata() {
curl --retry 5 --silent --fail --header "Metadata-Flavor: Google" "http://metadata/computeMetadata/v1/instance/$@"
}
curl -s https://packages.cloud.google.com/apt/doc/apt-key.gpg | sudo apt-key add -
touch /etc/apt/sources.list.d/kubernetes.list
sh -c 'echo "deb http://apt.kubernetes.io/ kubernetes-xenial main" > /etc/apt/sources.list.d/kubernetes.list'
apt-get update -y
apt-get install -y \
socat \
ebtables \
apt-transport-https \
cloud-utils \
prips
function install_configure_docker () {
# prevent docker from auto-starting
echo "exit 101" > /usr/sbin/policy-rc.d
chmod +x /usr/sbin/policy-rc.d
trap "rm /usr/sbin/policy-rc.d" RETURN
apt-get install -y docker.io
echo 'DOCKER_OPTS="--iptables=false --ip-masq=false"' > /etc/default/docker
systemctl daemon-reload
systemctl enable docker
systemctl start docker
}
install_configure_docker
curl -sSL https://dl.k8s.io/release/${VERSION}/bin/linux/${ARCH}/kubeadm > /usr/bin/kubeadm.dl
chmod a+rx /usr/bin/kubeadm.dl
# kubeadm uses 10th IP as DNS server
CLUSTER_DNS_SERVER=$(prips ${SERVICE_CIDR} | head -n 11 | tail -n 1)
# Our Debian packages have versions like "1.8.0-00" or "1.8.0-01". Do a prefix
# search based on our SemVer to find the right (newest) package version.
function getversion() {
name=$1
prefix=$2
version=$(apt-cache madison $name | awk '{ print $3 }' | grep ^$prefix | head -n1)
if [[ -z "$version" ]]; then
echo Can\'t find package $name with prefix $prefix
exit 1
fi
echo $version
}
KUBELET=$(getversion kubelet ${KUBELET_VERSION}-)
KUBEADM=$(getversion kubeadm ${KUBELET_VERSION}-)
apt-get install -y \
kubelet=${KUBELET} \
kubeadm=${KUBEADM}
mv /usr/bin/kubeadm.dl /usr/bin/kubeadm
chmod a+rx /usr/bin/kubeadm
# Override network args to use kubenet instead of cni, override Kubelet DNS args and
# add cloud provider args.
cat > /etc/systemd/system/kubelet.service.d/20-kubenet.conf <<EOF
[Service]
Environment="KUBELET_NETWORK_ARGS=--network-plugin=kubenet"
Environment="KUBELET_DNS_ARGS=--cluster-dns=${CLUSTER_DNS_SERVER} --cluster-domain=${CLUSTER_DNS_DOMAIN}"
Environment="KUBELET_EXTRA_ARGS=--cloud-provider=gce --cloud-config=/etc/kubernetes/cloud-config"
EOF
systemctl daemon-reload
systemctl restart kubelet.service
PRIVATEIP=`curl_metadata "network-interfaces/0/ip"`
echo $PRIVATEIP > /tmp/.ip
PUBLICIP=`curl_metadata "network-interfaces/0/access-configs/0/external-ip"`
# Set up the GCE cloud config, which gets picked up by kubeadm init since cloudProvider is set to GCE.
cat > /etc/kubernetes/cloud-config <<EOF
[global]
project-id = ${PROJECT}
network-name = ${NETWORK}
subnetwork-name = ${SUBNETWORK}
node-tags = ${NODE_TAG}
EOF
# Set up kubeadm config file to pass parameters to kubeadm init.
cat > /etc/kubernetes/kubeadm_config.yaml <<EOF
apiVersion: kubeadm.k8s.io/v1alpha1
kind: MasterConfiguration
api:
advertiseAddress: ${PUBLICIP}
bindPort: ${PORT}
networking:
serviceSubnet: ${SERVICE_CIDR}
kubernetesVersion: v${CONTROL_PLANE_VERSION}
cloudProvider: gce
token: ${TOKEN}
controllerManagerExtraArgs:
cluster-cidr: ${POD_CIDR}
service-cluster-ip-range: ${SERVICE_CIDR}
allocate-node-cidrs: "true"
apiServerCertSANs:
- ${PUBLICIP}
- ${PRIVATEIP}
EOF
function install_certificates () {
if ! curl_metadata "attributes/ca-cert"; then
return
fi
echo "Configuring custom certificate authority..."
PKI_PATH=/etc/kubernetes/pki
mkdir -p ${PKI_PATH}
CA_CERT_PATH=${PKI_PATH}/ca.crt
curl_metadata "attributes/ca-cert" | base64 -d > ${CA_CERT_PATH}
chmod 0644 ${CA_CERT_PATH}
CA_KEY_PATH=${PKI_PATH}/ca.key
curl_metadata "attributes/ca-key" | base64 -d > ${CA_KEY_PATH}
chmod 0600 ${CA_KEY_PATH}
}
# Create and set bridge-nf-call-iptables to 1 to pass the kubeadm preflight check.
# Workaround was found here:
# http://zeeshanali.com/sysadmin/fixed-sysctl-cannot-stat-procsysnetbridgebridge-nf-call-iptables/
modprobe br_netfilter
install_certificates
kubeadm init --config /etc/kubernetes/kubeadm_config.yaml
for tries in $(seq 1 60); do
kubectl --kubeconfig /etc/kubernetes/kubelet.conf annotate --overwrite node $(hostname) machine=${MACHINE} && break
sleep 1
done
echo done.
) 2>&1 | tee /var/log/startup.log
- machineParams:
- os: ubuntu-1604-lts
roles:
- Node
versions:
kubelet: 1.9.4
image: projects/ubuntu-os-cloud/global/images/family/ubuntu-1604-lts
metadata:
startupScript: |
set -e
set -x
(
apt-get update
apt-get install -y apt-transport-https prips
apt-key adv --keyserver hkp://keyserver.ubuntu.com --recv-keys F76221572C52609D
cat <<EOF > /etc/apt/sources.list.d/k8s.list
deb [arch=amd64] https://apt.dockerproject.org/repo ubuntu-xenial main
EOF
apt-get update
function install_configure_docker () {
# prevent docker from auto-starting
echo "exit 101" > /usr/sbin/policy-rc.d
chmod +x /usr/sbin/policy-rc.d
trap "rm /usr/sbin/policy-rc.d" RETURN
apt-get install -y docker-engine=1.12.0-0~xenial
echo 'DOCKER_OPTS="--iptables=false --ip-masq=false"' > /etc/default/docker
systemctl daemon-reload
systemctl enable docker
systemctl start docker
}
install_configure_docker
curl -s https://packages.cloud.google.com/apt/doc/apt-key.gpg | apt-key add -
cat <<EOF > /etc/apt/sources.list.d/kubernetes.list
deb http://apt.kubernetes.io/ kubernetes-xenial main
EOF
apt-get update
mkdir -p /etc/kubernetes/
cat > /etc/kubernetes/cloud-config <<EOF
[global]
project-id = ${PROJECT}
network-name = ${NETWORK}
subnetwork-name = ${SUBNETWORK}
node-tags = ${NODE_TAG}
EOF
# Our Debian packages have versions like "1.8.0-00" or "1.8.0-01". Do a prefix
# search based on our SemVer to find the right (newest) package version.
function getversion() {
name=$1
prefix=$2
version=$(apt-cache madison $name | awk '{ print $3 }' | grep ^$prefix | head -n1)
if [[ -z "$version" ]]; then
echo Can\'t find package $name with prefix $prefix
exit 1
fi
echo $version
}
KUBELET=$(getversion kubelet ${KUBELET_VERSION}-)
KUBEADM=$(getversion kubeadm ${KUBELET_VERSION}-)
KUBECTL=$(getversion kubectl ${KUBELET_VERSION}-)
apt-get install -y kubelet=${KUBELET} kubeadm=${KUBEADM} kubectl=${KUBECTL}
# kubeadm uses 10th IP as DNS server
CLUSTER_DNS_SERVER=$(prips ${SERVICE_CIDR} | head -n 11 | tail -n 1)
# Override network args to use kubenet instead of cni, override Kubelet DNS args and
# add cloud provider args.
cat > /etc/systemd/system/kubelet.service.d/20-kubenet.conf <<EOF
[Service]
Environment="KUBELET_NETWORK_ARGS=--network-plugin=kubenet"
Environment="KUBELET_DNS_ARGS=--cluster-dns=${CLUSTER_DNS_SERVER} --cluster-domain=${CLUSTER_DNS_DOMAIN}"
Environment="KUBELET_EXTRA_ARGS=--cloud-provider=gce --cloud-config=/etc/kubernetes/cloud-config"
EOF
systemctl daemon-reload
systemctl restart kubelet.service
kubeadm join --token "${TOKEN}" "${MASTER}" --ignore-preflight-errors=all --discovery-token-unsafe-skip-ca-verification
for tries in $(seq 1 60); do
kubectl --kubeconfig /etc/kubernetes/kubelet.conf annotate --overwrite node $(hostname) machine=${MACHINE} && break
sleep 1
done
echo done.
) 2>&1 | tee /var/log/startup.log