-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathkubernetes_node.sh
79 lines (70 loc) · 3.96 KB
/
kubernetes_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
75
76
77
78
#!/usr/bin/env bash
Application_Name="kubernetes"
echo ${Application_Name} > /tmp/app.txt
if [ ${Application_Name} = "kubernetes" ]; then
useradd -s /bin/bash -m training
echo -e "Test@123\nTest@123" | passwd training >/dev/null 2>&1
echo "training ALL=(ALL) NOPASSWD: ALL" >> /etc/sudoers
useradd -s /bin/bash -m labasservice
echo -e "Labsteam@123\nLabsteam@123" | passwd labasservice >/dev/null 2>&1
echo "labasservice ALL=(ALL) NOPASSWD: ALL" >> /etc/sudoers
sed -i 's/PasswordAuthentication no/PasswordAuthentication yes/g' /etc/ssh/sshd_config
sed -i 's/PermitRootLogin forced-commands-only/#PermitRootLogin forced-commands-only/g' /etc/ssh/sshd_config
systemctl restart ssh >/dev/null 2>&1
systemctl restart sshd >/dev/null 2>&1
apt update -y
apt install -y acct
systemctl enable --now acct
apt-get install -y apt-transport-https curl
apt install -y docker.io
apt install -y awscli
systemctl enable --now docker
curl -s https://packages.cloud.google.com/apt/doc/apt-key.gpg > cloud.key.io
apt-key add cloud.key.io && rm -rf cloud.key.io
sh -c 'echo deb https://apt.kubernetes.io/ kubernetes-xenial main' >> /etc/apt/sources.list.d/kubernetes.list
apt-get update -y
apt-get install -y kubelet=1.21.1-00 kubeadm=1.21.1-00 kubectl=1.21.1-00
swapoff -a
sed -i.bak -r 's/(.+ swap .+)/#\1/' /etc/fstab
sed -i "s/cgroupfs/systemd/g" /var/lib/kubelet/config.yaml
sed -i 's/$KUBELET_KUBECONFIG_ARGS $KUBELET_CONFIG_ARGS $KUBELET_KUBEADM_ARGS $KUBELET_EXTRA_ARGS/$KUBELET_KUBECONFIG_ARGS $KUBELET_CONFIG_ARGS $KUBELET_KUBEADM_ARGS $KUBELET_EXTRA_ARGS --cloud-provider=aws/g' /etc/systemd/system/kubelet.service.d/10-kubeadm.conf
host=$(hostname)
hostname=$(curl http://169.254.169.254/latest/meta-data/local-hostname)
sed -i "2 a $host $hostname" /etc/hosts
hostnamectl set-hostname $hostname
systemctl daemon-reload
apt install -y sshpass >/dev/null 2>&1
sleep 200
region=$(curl http://169.254.169.254/latest/meta-data/placement/availability-zone)
id=$(curl http://169.254.169.254/latest/meta-data/instance-id)
lab_name=$(aws ec2 describe-tags --filters "Name=tag:kube_nodes,Values=*" "Name=resource-id,Values=$id" --region ${region:: -1} | awk '{print $2}' | tail -n 4 | head -n 1 | tr -d '"')
Application_Name=$(aws ec2 describe-tags --filters "Name=tag:application_name,Values=*" "Name=resource-id,Values=$id" --region ${region:: -1} | awk '{print $2}' | tail -n 4 | head -n 1 | tr -d '"')
count=$(aws ec2 describe-tags --filters "Name=tag:$lab_name-kube_nodes,Values=*" "Name=resource-id,Values=$id" --region ${region:: -1} | awk '{print $2}' | tail -4 | head -n 1 | tr -d '"')
sleep 60
master_ip=$(aws ssm get-parameters --names ${lab_name}-${Application_Name}-master_ip-${count} --region ${region:: -1} --output text | awk '{print $7}')
echo $master_ip > /tmp/master_ip.txt
echo $count > /tmp/count.txt
echo $region > /tmp/region.txt
echo $lab_name > /tmp/lab_name.txt
echo $Application_Name > /tmp/application_name.txt
echo $id > /tmp/id.txt
cat << EOF > /tmp/kubeadm-node.config
---
apiVersion: kubeadm.k8s.io/v1beta2
kind: JoinConfiguration
discovery:
tlsBootstrapToken: "dw1j4s.7ab6voh5lzh5e783"
file:
kubeConfigPath: "/tmp/kubeadm-join.config"
nodeRegistration:
name: "${hostname}"
kubeletExtraArgs:
cloud-provider: aws
EOF
sleep 100
sshpass -p "Test@123" scp -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no training@$master_ip:/tmp/kubeadm-join.config /tmp/kubeadm-join.config >> /tmp/master_joinfile.log 2>&1
kubeadm join --config /tmp/kubeadm-node.config "$master_ip:6443" --ignore-preflight-errors=all >> /tmp/joincluster.log 2>&1
echo "worked" > /tmp/kubernetes_node.txt
else
echo "bye"
fi