From 3af4fb99668b0506c75480b725e37d7f66ceeaab Mon Sep 17 00:00:00 2001
From: James Turland <james@turland.uk>
Date: Tue, 12 Dec 2023 08:56:29 +0000
Subject: [PATCH] update

---
 Docker-Swarm/swarm.sh | 110 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 110 insertions(+)
 create mode 100644 Docker-Swarm/swarm.sh

diff --git a/Docker-Swarm/swarm.sh b/Docker-Swarm/swarm.sh
new file mode 100644
index 0000000..0205c0a
--- /dev/null
+++ b/Docker-Swarm/swarm.sh
@@ -0,0 +1,110 @@
+#!/bin/bash
+
+echo -e " \033[33;5m    __  _          _        ___                            \033[0m"
+echo -e " \033[33;5m    \ \(_)_ __ ___( )__    / _ \__ _ _ __ __ _  __ _  ___  \033[0m"
+echo -e " \033[33;5m     \ \ | '_ \` _ \/ __|  / /_\/ _\` | '__/ _\` |/ _\` |/ _ \ \033[0m"
+echo -e " \033[33;5m  /\_/ / | | | | | \__ \ / /_\\  (_| | | | (_| | (_| |  __/ \033[0m"
+echo -e " \033[33;5m  \___/|_|_| |_| |_|___/ \____/\__,_|_|  \__,_|\__, |\___| \033[0m"
+echo -e " \033[33;5m                                               |___/       \033[0m"
+
+echo -e " \033[36;5m    ___          _             ___                         \033[0m"
+echo -e " \033[36;5m   |   \ ___  __| |_____ _ _  / __|_ __ ____ _ _ _ _ __    \033[0m"
+echo -e " \033[36;5m   | |) / _ \/ _| / / -_) \'_| \__ \ V  V / _\` | '_| '  \   \033[0m"
+echo -e " \033[36;5m   |___/\___/\__|_\_\___|_|   |___/\_/\_/\__,_|_| |_|_|_|  \033[0m"
+echo -e " \033[36;5m                                                           \033[0m"
+echo -e " \033[32;5m             https://youtube.com/@jims-garage              \033[0m"
+echo -e " \033[32;5m                                                           \033[0m"
+
+
+#############################################
+# YOU SHOULD ONLY NEED TO EDIT THIS SECTION #
+#############################################
+
+# Set the IP addresses of the admin, masters, and workers nodes
+admin=192.168.3.5
+master1=192.168.3.21
+master2=192.168.3.22
+master3=192.168.3.23
+worker1=192.168.3.24
+worker2=192.168.3.25
+
+# User of remote machines
+user=ubuntu
+
+# Interface used on remotes
+interface=eth0
+
+# Set the virtual IP address (VIP)
+vip=192.168.3.50
+
+# Array of all master nodes
+allmasters=($master1 $master2 $master3)
+
+# Array of master nodes
+masters=($master2 $master3)
+
+# Array of worker nodes
+workers=($worker1 $worker2)
+
+# Array of all
+all=($master1 $master2 $master3 $worker1 $worker2)
+
+# Array of all minus master1
+allnomaster1=($master2 $master3 $worker1 $worker2)
+
+#Loadbalancer IP range
+lbrange=192.168.3.60-192.168.3.80
+
+#ssh certificate name variable
+certName=id_rsa
+
+#############################################
+#            DO NOT EDIT BELOW              #
+#############################################
+# For testing purposes - in case time is wrong due to VM snapshots
+sudo timedatectl set-ntp off
+sudo timedatectl set-ntp on
+
+# Move SSH certs to ~/.ssh and change permissions
+cp /home/$user/{$certName,$certName.pub} /home/$user/.ssh
+chmod 600 /home/$user/.ssh/$certName 
+chmod 644 /home/$user/.ssh/$certName.pub
+
+# Create SSH Config file to ignore checking (don't use in production!)
+echo "StrictHostKeyChecking no" > ~/.ssh/config
+
+#add ssh keys for all nodes
+for node in "${all[@]}"; do
+  ssh-copy-id $user@$node
+done
+
+# Install Docker for each node
+for newnode in "${all[@]}"; do
+  ssh $user@$newnode -i ~/.ssh/$certName sudo su <<EOF
+  # Add Docker's official GPG key:
+  apt-get update
+  NEEDRESTART_MODE=a apt install ca-certificates curl gnupg -y
+  install -m 0755 -d /etc/apt/keyrings
+  curl -fsSL https://download.docker.com/linux/ubuntu/gpg | gpg --dearmor -o /etc/apt/keyrings/docker.gpg
+  chmod a+r /etc/apt/keyrings/docker.gpg
+
+  # Add the repository to Apt sources:
+  echo \
+    "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.gpg] https://download.docker.com/linux/ubuntu \
+    $(. /etc/os-release && echo "$VERSION_CODENAME") stable" | \
+    tee /etc/apt/sources.list.d/docker.list > /dev/null
+  apt-get update
+  NEEDRESTART_MODE=a apt install docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin -y
+  exit
+EOF
+  echo -e " \033[32;5mPolicyCoreUtils installed!\033[0m"
+done
+
+# Step 1: Create Swarm on first node
+ssh -tt $user@$master1 -i ~/.ssh/$certName sudo su <<EOF
+docker swarm init --advertise-addr $master1
+docker swarm join-token manager | sed -n 3p | grep -Po 'docker swarm join --token \\K[^\\s]*'` >> master.txt
+docker swarm join-token worker | sed -n 3p | grep -Po 'docker swarm join --token \\K[^\\s]*'` >> master.txt
+exit
+EOF
+echo -e " \033[32;5mMaster1 Completed\033[0m"
\ No newline at end of file