-
Notifications
You must be signed in to change notification settings - Fork 16
/
amazon_k8s_debian_stretch_node.sh
74 lines (59 loc) · 2.69 KB
/
amazon_k8s_debian_stretch_node.sh
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
# ------------------------------------------------------------------------------------------------------------------------
# We are explicitly not using a templating language to inject the values as to encourage the user to limit their
# use of templating logic in these files. By design all injected values should be able to be set at runtime,
# and the shell script real work. If you need conditional logic, write it in bash or make another shell script.
# ------------------------------------------------------------------------------------------------------------------------
# Specify the Kubernetes version to use
KUBERNETES_VERSION="1.10.11"
KUBERNETES_CNI="0.6.0"
# Controls delay before attempting to join the master
MAX_ATTEMPTS=50
REATTEMPT_INTERVAL_SECONDS=30
apt-get update -y
apt-get install -y \
socat \
cloud-utils \
apt-transport-https \
ca-certificates \
curl \
software-properties-common \
jq
curl -fsSL https://download.docker.com/linux/$(. /etc/os-release; echo "$ID")/gpg | sudo apt-key add -
add-apt-repository \
"deb https://download.docker.com/linux/$(. /etc/os-release; echo "$ID") \
$(lsb_release -cs) \
stable"
apt-get update && apt-get install -y docker-ce=$(apt-cache madison docker-ce | grep 17.03 | head -1 | awk '{print $3}')
curl -s https://packages.cloud.google.com/apt/doc/apt-key.gpg | apt-key add -
cat << EOF > "/etc/apt/sources.list.d/kubernetes.list"
deb http://apt.kubernetes.io/ kubernetes-xenial main
EOF
apt-get update -y
apt-get install -y \
kubelet=${KUBERNETES_VERSION}-00 \
kubeadm=${KUBERNETES_VERSION}-00 \
kubernetes-cni=${KUBERNETES_CNI}-00 \
kubectl
systemctl enable docker
systemctl start docker
TOKEN=$(cat /etc/kubicorn/cluster.json | jq -r '.clusterAPI.spec.providerConfig' | jq -r '.values.itemMap.INJECTEDTOKEN')
MASTER=$(cat /etc/kubicorn/cluster.json | jq -r '.clusterAPI.spec.providerConfig' | jq -r '.values.itemMap.INJECTEDMASTER')
HOSTNAME=$(hostname -f)
# Reset before joining
kubeadm reset
# Delay kubeadm join until master is ready
attempts=0
response=000
while [ "${response}" -ne "200" ] && [ $(( attempts++ )) -lt $MAX_ATTEMPTS ]; do
echo "Waiting for master to be ready(${MASTER})..."
sleep $REATTEMPT_INTERVAL_SECONDS
response=$(curl --write-out "%{http_code}" --output /dev/null --silent --connect-timeout 10 -k "https://${MASTER}/healthz" || true)
done
# Join the cluster
if [ "${response}" -ne "200" ]; then
echo "Maximum attempts reached, giving up"
exit 1
else
echo "Master seems to be up and running. Joining the node to the cluster..."
kubeadm join --node-name "${HOSTNAME}" --token "${TOKEN}" "${MASTER}" --discovery-token-unsafe-skip-ca-verification --ignore-preflight-errors=SystemVerification
fi