fix .git file in Kubernetes

Days/Kubernetes/.vagrant/machines/master/virtualbox/action_provision

@@ -0,0 +1 @@
+1.5:e4b0d545-5fd5-49c6-88be-44139c9ad3d8

Days/Kubernetes/.vagrant/machines/master/virtualbox/action_set_name

@@ -0,0 +1 @@
+1645452510

Days/Kubernetes/.vagrant/machines/master/virtualbox/box_meta

@@ -0,0 +1 @@
+{"name":"bento/ubuntu-21.10","version":"202112.19.0","provider":"virtualbox","directory":"boxes/bento-VAGRANTSLASH-ubuntu-21.10/202112.19.0/virtualbox"}

Days/Kubernetes/.vagrant/machines/master/virtualbox/creator_uid

@@ -0,0 +1 @@
+0

Days/Kubernetes/.vagrant/machines/master/virtualbox/id

@@ -0,0 +1 @@
+e4b0d545-5fd5-49c6-88be-44139c9ad3d8

Days/Kubernetes/.vagrant/machines/master/virtualbox/index_uuid

@@ -0,0 +1 @@
+758da8fa9ae14606a03e2b90a86a0477

Days/Kubernetes/.vagrant/machines/master/virtualbox/private_key

@@ -0,0 +1,27 @@
+-----BEGIN RSA PRIVATE KEY-----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+-----END RSA PRIVATE KEY-----

Days/Kubernetes/.vagrant/machines/master/virtualbox/synced_folders

@@ -0,0 +1 @@
+{"virtualbox":{"/vagrant":{"guestpath":"/vagrant","hostpath":"C:/Users/micha/demo/vagrant-kubeadm-kubernetes","disabled":false,"__vagrantfile":true}}}

Days/Kubernetes/.vagrant/machines/master/virtualbox/vagrant_cwd

@@ -0,0 +1 @@
+C:/Users/micha/demo/vagrant-kubeadm-kubernetes

Days/Kubernetes/.vagrant/machines/node01/virtualbox/action_provision

@@ -0,0 +1 @@
+1.5:1067c79e-62d1-45ee-91e8-720aef4f1298

Days/Kubernetes/.vagrant/machines/node01/virtualbox/action_set_name

@@ -0,0 +1 @@
+1645453183

Days/Kubernetes/.vagrant/machines/node01/virtualbox/box_meta

@@ -0,0 +1 @@
+{"name":"bento/ubuntu-21.10","version":"202112.19.0","provider":"virtualbox","directory":"boxes/bento-VAGRANTSLASH-ubuntu-21.10/202112.19.0/virtualbox"}

Days/Kubernetes/.vagrant/machines/node01/virtualbox/creator_uid

@@ -0,0 +1 @@
+0

Days/Kubernetes/.vagrant/machines/node01/virtualbox/id

@@ -0,0 +1 @@
+1067c79e-62d1-45ee-91e8-720aef4f1298

Days/Kubernetes/.vagrant/machines/node01/virtualbox/index_uuid

@@ -0,0 +1 @@
+f98a4ae7e24c423a942d7935e71d2f36

Days/Kubernetes/.vagrant/machines/node01/virtualbox/private_key

@@ -0,0 +1,27 @@
+-----BEGIN RSA PRIVATE KEY-----
+MIIEowIBAAKCAQEA16gqn6x0taCn9M/Z766wMD5+bcuIbP/eV750BuzE3nCIGcvV
+rFbXF3LPsLIcJiq0l9MMFInJm5Ci+yuwgTTwEO9UeFtro58DeABciEimTRZPnVIl
+zcKORIPjQBP4/ZCwNdwQsqUuNZiG5Z+1NslVBzJLO8ciSmnOi4+tsUZ9XRC3UWV1
+Sp9ThqHNS6RlEG7BoTNZWBH8VgyACEZOPSizGkNu9Tl6HIMSJOscjJe6t446NCoS
+/c9NP/lOCS/vE3kTVAPQEX4TZqhxtIGX37G8KVxK7TU6Oo2KfU8rRUZgQ9mHTyUM
+e2wJTP61frUYu+Zcmop+zb1YY0VsC+9JspmdUwIDAQABAoIBAFdhAfQ0cg1tjN/6
+n7kntKe3io5+G0be3X374xMzOAlQ2zRojKkJfpk3ocNcR1+HiijCEHD560Am+IKA
+j0Gq62JRNo6VrCVdtpAWxWdK2Gb/lT6PHFYkcHR+Y8OA1DAZQexwwCtCFlkM9gtw
+DIKoTNVfoXAVHWW9PTz6+EuN3hmof6/bx6UjVpztYQ5APeMX1HIfG95kq7Wz7Z0s
+02a1PjBjupj0dCcOd+8cZ7KdPBFYEXbeiCVeKrCiwk/bGuLOoxbHVhPD+at6SX8F
+1ZWACM7JVAJzc/vtFpiICQWfUyOS9BtjRVYmtYFfYfCXWsxedSNVavsmobE9yAIa
+szooMhECgYEA9H5+9ug7nY6V1sUsmz2sehpTX06NqAsepRQudjqrnqmjnBVKhLKF
+0RlA9O9/Hx2rgeM2zT0q4gEDfTtw6HiCgFvY38IOjDmLOv+mMNYoz31DgEths12h
+zNe/IsBdOkblxVd2ZIssP3BT7g91NQsFyQLUOmB7bg14xMoKGxjjea0CgYEA4c5C
+OGwd/c8hrJCssgRfcnKnJ4H2iEqMBxjvjys5X7zTUKQhqIFGeby0LF3JPR3J732g
+Hvp7z8WRxjZVoEx5EnHeRHGo5VU4UGViowc+ec3+ClwIVaS0fo+63JlsQUgwA+0V
+XIPUPWVOaH4uIxdOvH2Zeh7EMS0tr1ZidcxyUv8CgYAWIFiHKc8zXBMNY7y8s+En
+D7jZ2DcTrSXx1Ji71GVxr3KCDp820R0xJjLtt7ruavX5hEGSY2W9HFBfhgCa2UUe
+LrG61koQwKhsB3TX2JnK5VA1jRzjaabZ7fB7SaNmQcJLkLXDNaEkgJrn4Xg++6dj
+YKEqQ08IT6nNTWeKuj7j5QKBgQDCHUEaJf+mWDD3myuKoW24Ak4mDXh087jqxQnz
+xtG8tqPmWCLDK9b9AjbVSQ6dZoVZR2KmHuje1VYa0kzLz9HpBFByAE+UTq1pl66y
+vaB8r5PrLfDQRxYPEtotmArTGA6G4YISlRWYbgV4mLhq3DeInGSa8eXw7IiwiY98
++vNw2wKBgHCvnrpCCF+ycO+CxjtOEi3XkfauWEvwLgfuHHUBKUYOzfcr3P6mKZg5
+oZeMmbc8ZuzSs/34LNXKhZlsqgl0X22Yr3EfFTRzXYYKBj8Gj6g3kOVE9Ucw6KLN
+9qwKZm66ew/m7+JAzmfIy+1ILaiVji73DdrslanKdcN0dfRzd4PI
+-----END RSA PRIVATE KEY-----

Days/Kubernetes/.vagrant/machines/node01/virtualbox/synced_folders

@@ -0,0 +1 @@
+{"virtualbox":{"/vagrant":{"guestpath":"/vagrant","hostpath":"C:/Users/micha/demo/vagrant-kubeadm-kubernetes","disabled":false,"__vagrantfile":true}}}

Days/Kubernetes/.vagrant/machines/node01/virtualbox/vagrant_cwd

@@ -0,0 +1 @@
+C:/Users/micha/demo/vagrant-kubeadm-kubernetes

Days/Kubernetes/.vagrant/machines/node02/virtualbox/action_provision

@@ -0,0 +1 @@
+1.5:32937b8e-60c8-425f-b356-238ff3983f9f

Days/Kubernetes/.vagrant/machines/node02/virtualbox/action_set_name

@@ -0,0 +1 @@
+1645453327

Days/Kubernetes/.vagrant/machines/node02/virtualbox/box_meta

@@ -0,0 +1 @@
+{"name":"bento/ubuntu-21.10","version":"202112.19.0","provider":"virtualbox","directory":"boxes/bento-VAGRANTSLASH-ubuntu-21.10/202112.19.0/virtualbox"}

Days/Kubernetes/.vagrant/machines/node02/virtualbox/creator_uid

@@ -0,0 +1 @@
+0

Days/Kubernetes/.vagrant/machines/node02/virtualbox/id

@@ -0,0 +1 @@
+32937b8e-60c8-425f-b356-238ff3983f9f

Days/Kubernetes/.vagrant/machines/node02/virtualbox/index_uuid

@@ -0,0 +1 @@
+60a1767f8086405f9b2e5f975062825b

Days/Kubernetes/.vagrant/machines/node02/virtualbox/private_key

@@ -0,0 +1,27 @@
+-----BEGIN RSA PRIVATE KEY-----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+-----END RSA PRIVATE KEY-----

Days/Kubernetes/.vagrant/machines/node02/virtualbox/synced_folders

@@ -0,0 +1 @@
+{"virtualbox":{"/vagrant":{"guestpath":"/vagrant","hostpath":"C:/Users/micha/demo/vagrant-kubeadm-kubernetes","disabled":false,"__vagrantfile":true}}}

Days/Kubernetes/.vagrant/machines/node02/virtualbox/vagrant_cwd

@@ -0,0 +1 @@
+C:/Users/micha/demo/vagrant-kubeadm-kubernetes

Days/Kubernetes/.vagrant/rgloader/loader.rb

@@ -0,0 +1,9 @@
+# This file loads the proper rgloader/loader.rb file that comes packaged
+# with Vagrant so that encoded files can properly run with Vagrant.
+
+if ENV["VAGRANT_INSTALLER_EMBEDDED_DIR"]
+  require File.expand_path(
+    "rgloader/loader", ENV["VAGRANT_INSTALLER_EMBEDDED_DIR"])
+else
+  raise "Encoded files can't be read outside of the Vagrant installer."
+end

Days/Kubernetes/Rancher/.gitignore

@@ -0,0 +1,33 @@
+# General
+.vagrant/
+configs/
+
+# Log files (if you are creating logs in debug mode, uncomment this)
+# *.log
+
+# General
+.DS_Store
+.AppleDouble
+.LSOverride
+
+# Icon must end with two \r
+Icon
+
+# Thumbnails
+._*
+
+# Files that might appear in the root of a volume
+.DocumentRevisions-V100
+.fseventsd
+.Spotlight-V100
+.TemporaryItems
+.Trashes
+.VolumeIcon.icns
+.com.apple.timemachine.donotpresent
+
+# Directories potentially created on remote AFP share
+.AppleDB
+.AppleDesktop
+Network Trash Folder
+Temporary Items
+.apdisk

Days/Kubernetes/Rancher/Vagrantfile

@@ -0,0 +1,40 @@
+NUM_WORKER_NODES=2
+IP_NW="192.168.169."
+IP_START=130
+
+Vagrant.configure("2") do |config|
+    config.vm.provision "shell", inline: <<-SHELL
+        apt-get update -y
+        echo "$IP_NW$((IP_START))  master-node" >> /etc/hosts
+        echo "$IP_NW$((IP_START+1))  worker-node01" >> /etc/hosts
+        echo "$IP_NW$((IP_START+2))  worker-node02" >> /etc/hosts
+    SHELL
+    config.vm.box = "bento/ubuntu-21.10"
+    config.vm.box_check_update = true
+
+    config.vm.define "master" do |master|
+      master.vm.hostname = "master-node"
+      master.vm.network :public_network, bridge: "Intel(R) Ethernet Connection (7) I219-V", ip: IP_NW + "#{IP_START}"
+      master.vm.provider "virtualbox" do |vb|
+          vb.memory = 4048
+          vb.cpus = 2
+          vb.customize ["modifyvm", :id, "--natdnshostresolver1", "on"]
+      end
+      master.vm.provision "shell", path: "scripts/common.sh"
+      
+    end
+
+    (1..NUM_WORKER_NODES).each do |i|
+      config.vm.define "node0#{i}" do |node|
+        node.vm.hostname = "worker-node0#{i}"
+        node.vm.network :public_network, bridge: "Intel(R) Ethernet Connection (7) I219-V", ip: IP_NW + "#{IP_START}"
+        node.vm.provider "virtualbox" do |vb|
+            vb.memory = 4048
+            vb.cpus = 1
+            vb.customize ["modifyvm", :id, "--natdnshostresolver1", "on"]
+        end
+        node.vm.provision "shell", path: "scripts/common.sh"
+        
+      end
+    end
+  end

Days/Kubernetes/Rancher/scripts/common.sh

@@ -0,0 +1,91 @@
+#! /bin/bash
+
+# Variable Declaration
+KUBERNETES_VERSION="1.23.3-00"
+
+# disable swap 
+sudo swapoff -a
+# keeps the swaf off during reboot
+sudo sed -i '/ swap / s/^\(.*\)$/#\1/g' /etc/fstab
+
+#Letting iptables see bridged traffic 
+lsmod | grep br_netfilter
+sudo modprobe br_netfilter
+
+cat <<EOF | sudo tee /etc/modules-load.d/k8s.conf
+br_netfilter
+EOF
+
+cat <<EOF | sudo tee /etc/sysctl.d/k8s.conf
+net.bridge.bridge-nf-call-ip6tables = 1
+net.bridge.bridge-nf-call-iptables = 1
+EOF
+sudo sysctl --system
+
+# containerd
+cat <<EOF | sudo tee /etc/modules-load.d/containerd.conf
+overlay
+br_netfilter
+EOF
+
+sudo modprobe overlay
+sudo modprobe br_netfilter
+
+# Setup required sysctl params, these persist across reboots.
+cat <<EOF | sudo tee /etc/sysctl.d/99-kubernetes-cri.conf
+net.bridge.bridge-nf-call-iptables  = 1
+net.ipv4.ip_forward                 = 1
+net.bridge.bridge-nf-call-ip6tables = 1
+EOF
+
+# Apply sysctl params without reboot
+sudo sysctl --system
+
+#Clean Install Docker Engine on Ubuntu
+sudo apt-get remove docker docker-engine docker.io containerd runc
+sudo apt-get update -y
+sudo apt-get install -y \
+    apt-transport-https \
+    ca-certificates \
+    curl \
+    gnupg \
+    lsb-release
+
+#Add Docker’s official GPG key:
+curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor -o /usr/share/keyrings/docker-archive-keyring.gpg
+
+#set up the stable repository
+echo \
+  "deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/docker-archive-keyring.gpg] https://download.docker.com/linux/ubuntu \
+  $(lsb_release -cs) stable" | sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
+
+#Install Docker Engine
+sudo apt-get update -y
+sudo apt-get install -y docker-ce docker-ce-cli containerd.io
+
+#Configure containerd
+sudo mkdir -p /etc/containerd
+containerd config default | sudo tee /etc/containerd/config.toml
+
+#restart containerd
+sudo systemctl restart containerd
+
+echo "ContainerD Runtime Configured Successfully"
+
+#Installing kubeadm, kubelet and kubectl
+sudo apt-get update -y 
+sudo apt-get install -y apt-transport-https ca-certificates curl
+
+#Google Cloud public signing key
+sudo curl -fsSLo /usr/share/keyrings/kubernetes-archive-keyring.gpg https://packages.cloud.google.com/apt/doc/apt-key.gpg
+
+#Add Kubernetes apt repository
+echo "deb [signed-by=/usr/share/keyrings/kubernetes-archive-keyring.gpg] https://apt.kubernetes.io/ kubernetes-xenial main" | sudo tee /etc/apt/sources.list.d/kubernetes.list
+
+#Update apt package index, install kubelet, kubeadm and kubectl, and pin their version:
+sudo apt-get update -y
+
+sudo apt-get install -y kubelet kubectl kubeadm
+
+sudo apt-mark hold kubelet kubeadm kubectl
+

Days/Kubernetes/Rancher/scripts/master.sh

@@ -0,0 +1,83 @@
+#! /bin/bash
+
+MASTER_IP="10.0.0.10"
+NODENAME=$(hostname -s)
+POD_CIDR="192.168.0.0/16"
+
+sudo kubeadm config images pull
+
+echo "Preflight Check Passed: Downloaded All Required Images"
+
+
+sudo kubeadm init --apiserver-advertise-address=$MASTER_IP  --apiserver-cert-extra-sans=$MASTER_IP --pod-network-cidr=$POD_CIDR --node-name $NODENAME --ignore-preflight-errors Swap
+
+mkdir -p $HOME/.kube
+sudo cp -i /etc/kubernetes/admin.conf $HOME/.kube/config
+sudo chown $(id -u):$(id -g) $HOME/.kube/config
+
+# Save Configs to shared /Vagrant location
+# For Vagrant re-runs, check if there is existing configs in the location and delete it for saving new configuration.
+config_path="/vagrant/configs"
+
+if [ -d $config_path ]; then
+   rm -f $config_path/*
+else
+   mkdir -p /vagrant/configs
+fi
+
+cp -i /etc/kubernetes/admin.conf /vagrant/configs/config
+touch /vagrant/configs/join.sh
+chmod +x /vagrant/configs/join.sh       
+
+# Generete kubeadm join command
+kubeadm token create --print-join-command > /vagrant/configs/join.sh
+
+# Install Calico Network Plugin
+curl https://docs.projectcalico.org/manifests/calico.yaml -O
+
+kubectl apply -f calico.yaml
+
+# Install Metrics Server
+kubectl apply -f https://github.com/kubernetes-sigs/metrics-server/releases/latest/download/components.yaml
+kubectl patch deployment metrics-server -n kube-system --type 'json' -p '[{"op": "add", "path": "/spec/template/spec/containers/0/args/-", "value": "--kubelet-insecure-tls"}]'
+
+# Install Kubernetes Dashboard
+kubectl apply -f https://raw.githubusercontent.com/kubernetes/dashboard/v2.4.0/aio/deploy/recommended.yaml
+
+# Create Dashboard User
+cat <<EOF | kubectl apply -f -
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: admin-user
+  namespace: kubernetes-dashboard
+EOF
+
+cat <<EOF | kubectl apply -f -
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRoleBinding
+metadata:
+  name: admin-user
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: ClusterRole
+  name: cluster-admin
+subjects:
+- kind: ServiceAccount
+  name: admin-user
+  namespace: kubernetes-dashboard
+EOF
+
+kubectl -n kubernetes-dashboard get secret $(kubectl -n kubernetes-dashboard get sa/admin-user -o jsonpath="{.secrets[0].name}") -o go-template="{{.data.token | base64decode}}" >> /vagrant/configs/token
+
+sudo -i -u vagrant bash << EOF
+mkdir -p /home/vagrant/.kube
+sudo cp -i /vagrant/configs/config /home/vagrant/.kube/
+sudo chown 1000:1000 /home/vagrant/.kube/config
+EOF
+
+sudo systemctl restart systemd-resolved
+sudo swapoff -a && sudo systemctl daemon-reload && sudo systemctl restart kubelet
+
+
+

Days/Kubernetes/Rancher/scripts/node.sh

@@ -0,0 +1,14 @@
+#! /bin/bash
+
+/bin/bash /vagrant/configs/join.sh -v
+
+sudo -i -u vagrant bash << EOF
+mkdir -p /home/vagrant/.kube
+sudo cp -i /vagrant/configs/config /home/vagrant/.kube/
+sudo chown 1000:1000 /home/vagrant/.kube/config
+NODENAME=$(hostname -s)
+kubectl label node $(hostname -s) node-role.kubernetes.io/worker=worker-new
+EOF
+
+sudo systemctl restart systemd-resolved
+sudo swapoff -a && sudo systemctl daemon-reload && sudo systemctl restart kubelet

Days/Kubernetes/Vagrantfile

@@ -0,0 +1,40 @@
+NUM_WORKER_NODES=2
+IP_NW="10.0.0."
+IP_START=10
+
+Vagrant.configure("2") do |config|
+    config.vm.provision "shell", inline: <<-SHELL
+        apt-get update -y
+        echo "$IP_NW$((IP_START))  master-node" >> /etc/hosts
+        echo "$IP_NW$((IP_START+1))  worker-node01" >> /etc/hosts
+        echo "$IP_NW$((IP_START+2))  worker-node02" >> /etc/hosts
+    SHELL
+    config.vm.box = "bento/ubuntu-21.10"
+    config.vm.box_check_update = true
+
+    config.vm.define "master" do |master|
+      master.vm.hostname = "master-node"
+      master.vm.network "private_network", ip: IP_NW + "#{IP_START}"
+      master.vm.provider "virtualbox" do |vb|
+          vb.memory = 4048
+          vb.cpus = 2
+          vb.customize ["modifyvm", :id, "--natdnshostresolver1", "on"]
+      end
+      master.vm.provision "shell", path: "scripts/common.sh"
+      master.vm.provision "shell", path: "scripts/master.sh"
+    end
+
+    (1..NUM_WORKER_NODES).each do |i|
+      config.vm.define "node0#{i}" do |node|
+        node.vm.hostname = "worker-node0#{i}"
+        node.vm.network "private_network", ip: IP_NW + "#{IP_START + i}"
+        node.vm.provider "virtualbox" do |vb|
+            vb.memory = 2048
+            vb.cpus = 1
+            vb.customize ["modifyvm", :id, "--natdnshostresolver1", "on"]
+        end
+        node.vm.provision "shell", path: "scripts/common.sh"
+        node.vm.provision "shell", path: "scripts/node.sh"
+      end
+    end
+  end

Days/Kubernetes/configs/config

@@ -0,0 +1,19 @@
+apiVersion: v1
+clusters:
+- cluster:
+    certificate-authority-data: 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
+    server: https://10.0.0.10:6443
+  name: kubernetes
+contexts:
+- context:
+    cluster: kubernetes
+    user: kubernetes-admin
+  name: kubernetes-admin@kubernetes
+current-context: kubernetes-admin@kubernetes
+kind: Config
+preferences: {}
+users:
+- name: kubernetes-admin
+  user:
+    client-certificate-data: LS0tLS1CRUdJTiBDRVJUSUZJQ0FURS0tLS0tCk1JSURJVENDQWdtZ0F3SUJBZ0lJSDdlYlA3dC9hMFl3RFFZSktvWklodmNOQVFFTEJRQXdGVEVUTUJFR0ExVUUKQXhNS2EzVmlaWEp1WlhSbGN6QWVGdzB5TWpBeU1qRXhOREU1TURkYUZ3MHlNekF5TWpFeE5ERTVNRGxhTURReApGekFWQmdOVkJBb1REbk41YzNSbGJUcHRZWE4wWlhKek1Sa3dGd1lEVlFRREV4QnJkV0psY201bGRHVnpMV0ZrCmJXbHVNSUlCSWpBTkJna3Foa2lHOXcwQkFRRUZBQU9DQVE4QU1JSUJDZ0tDQVFFQTRkeklGK0U5eVpyWlRNMXAKMlY2c1p6amo3VGNFTktQYUgvV283eGt6eS9HQ0pIZUJxdVlwWjlpL2p4dHROckN6WWs5U004WmM0dmgrYnFLOApVb1dhQUt6ZmVUMWx6T0VBaitpRnpjYVhxZlBWdksyVkpwTkFFS0xOZC9STEFxWHRaRUNTdzE5TS8yUHFCZlM2CmxWZTRtanJubmRGUHZ1bWtSemM3SUx0Z0VvU2FRQXQ4MUYwTGZ6MTFVQjl5UG9FS0pqVUxMVmw3RG1kTUlwRlQKZ0ZvRFpXZnJFdHpnL3FWajV3bStVN3FCOHhVWHI5Y0l0Ung2b01LMWJqcFR6dG9jZlBSVFg0em9RZ254QUJjawp0Um5mdmtyYVY3a3ZaZTI3TnJhZG8zbTVwMHZVQlIrY0pNNUd2b1NqTTNlOENPMHhhc3JoQU9QbzcxZXZicGxICmxIREJxd0lEQVFBQm8xWXdWREFPQmdOVkhROEJBZjhFQkFNQ0JhQXdFd1lEVlIwbEJBd3dDZ1lJS3dZQkJRVUgKQXdJd0RBWURWUjBUQVFIL0JBSXdBREFmQmdOVkhTTUVHREFXZ0JTZ0cyMmJwWEh2bzBRbS9oaVZGY3kvVWx4UwpNakFOQmdrcWhraUc5dzBCQVFzRkFBT0NBUUVBbGlzY1Fhckk4S2JxWFkzRms2Y0JEdzNpTmJ6M1lNL3I5TStJCld2bytIUTJRN2FkWWROdXBOU0l0eXZxdW56MzRlelk4TTNWcjZ1dnhoVWliOW84bHRjclQ4SStoNVZDQnI5VEkKYk9FS0xMSGd4dXZWKzZSK3RiL3NPYlZ0RVZwT3lFdWpDbjhwRU9HZ0ZLbTRnQ2lUbEN3dlVtcW45c2wvYmVXVApMSWdsSzFtREk0NElEbHd5bmlWVFFOenNZS1VkajdZN1hQZVhHb3NoTEJUODZGd2dOZjY0WlBvZDFRS1R3WEJGCkFuaHk2WXVPVTV3bGJxazdtNWRLeXVSeXJKREZKN3pDTldXOHRjWDBKTk10d2dpeGsxMWFMa2RQTHU1S1NCd1oKa3lLdzdmK3pqVHg4ejcxTlU1TStBTDJjd1U0WnJaSFVUYVpTamw0cW1JeXNSWmN3ekE9PQotLS0tLUVORCBDRVJUSUZJQ0FURS0tLS0tCg==
+    client-key-data: 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

Days/Kubernetes/configs/join.sh

@@ -0,0 +1 @@
+kubeadm join 10.0.0.10:6443 --token 0s6dei.3nv1q4xkkv8g98qc --discovery-token-ca-cert-hash sha256:5a7d70a8498795c680b2fe3d7840585ac74b0451769f4781bc4298de4c9b23f8 

Days/Kubernetes/configs/token

@@ -0,0 +1 @@
+eyJhbGciOiJSUzI1NiIsImtpZCI6IlM1WGxrRnVIclJRaEVDbmg3cndZZFVTRTFpT0lfQzZsZ2NXbHZoOS1pbVUifQ.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.LaBPEh6Qantd8tAc0X5DY9dDwUqZpxu38FHnp9TSJw-ghs3TsjrscFulUeEAtp2ng3ElLcU4SbNKPGJflF2dyW9Tmfn-Kt_6Jwq8HQ9GOCwAicEz0JVireHA7EWhATzuT56eO6MTe-2j5bpGnPQRJJtQ8AbtAN3nVK7RPjSzmc8Ppqx1z5i4oCGwiyRlGwqT-FkCtQLbQaQ4XmrASQoN4pJ_OBy5slztUhk32HdGP6pQx5c-nfei-of_4ij_fHrP0xEEfmVVvXqi9WKv1PLkQ3qTiSFDzv8M2sE4T6XmCGBbw7gyHzEGSpOAPZr00bX_YMCUvEF0lyP4YK696xWCBA

Days/Kubernetes/nginx-stateless-demo.yaml

@@ -0,0 +1,41 @@
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: nginx
+  "labels": {
+    "name": "nginx"
+  }
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: nginx-deployment
+  namespace: nginx
+spec:
+  selector:
+    matchLabels:
+      app: nginx
+  replicas: 1
+  template:
+    metadata:
+      labels:
+        app: nginx
+    spec:
+      containers:
+      - name: nginx
+        image: nginx
+        ports:
+        - containerPort: 80
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: nginx-service
+  namespace: nginx
+spec:
+  selector:
+    app: nginx-deployment
+  ports:
+    - protocol: TCP
+      port: 80
+      targetPort: 80

Days/Kubernetes/pacman-ingress.yaml

@@ -0,0 +1,17 @@
+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: pacman-ingress
+  namespace: pacman
+spec:
+  rules:
+  - host: pacman.com
+    http:
+      paths:
+        - path: /
+          pathType: Prefix
+          backend:
+            service:
+              name: pacman
+              port: 
+                number: 80

Days/Kubernetes/pacman-stateful-demo.yaml

@@ -0,0 +1,281 @@
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: pacman
+  "labels": {
+    "name": "pacman"
+  }
+---
+apiVersion: policy/v1beta1
+kind: PodSecurityPolicy
+metadata:
+  name: pacman
+  namespace: pacman
+spec:
+  privileged: true
+  seLinux:
+    rule: RunAsAny
+  supplementalGroups:
+    rule: RunAsAny
+  runAsUser:
+    rule: RunAsAny
+  fsGroup:
+    rule: RunAsAny
+  volumes:
+  - '*'
+---
+kind: ClusterRole
+apiVersion: rbac.authorization.k8s.io/v1
+metadata:
+  name: pacman-clusterrole
+rules:
+- apiGroups:
+  - policy
+  resources:
+  - podsecuritypolicies
+  verbs:
+  - use
+  resourceNames:
+  - pacman
+- apiGroups: [""]
+  resources: ["pods", "nodes"]
+  verbs: ["get", "watch", "list"]
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: RoleBinding
+metadata:
+  name: pacman-clusterrole
+  namespace: pacman
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: ClusterRole
+  name: pacman-clusterrole
+subjects:
+- apiGroup: rbac.authorization.k8s.io
+  kind: Group
+  name: system:serviceaccounts
+- kind: ServiceAccount
+  name: default
+  namespace: pacman
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRoleBinding
+metadata:
+  name: pacman-clusterrole
+  namespace: pacman
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: ClusterRole
+  name: pacman-clusterrole
+subjects:
+- apiGroup: rbac.authorization.k8s.io
+  kind: Group
+  name: system:serviceaccounts
+- kind: ServiceAccount
+  name: default
+  namespace: pacman
+---
+apiVersion: v1
+kind: Secret
+metadata:
+  name: mongodb-users-secret
+  namespace: pacman
+type: Opaque 
+data:
+  database-admin-name: Y2x5ZGU=
+  database-admin-password: Y2x5ZGU=
+  database-name: cGFjbWFu
+  database-password: cGlua3k=
+  database-user: Ymxpbmt5
+---
+kind: PersistentVolumeClaim
+apiVersion: v1
+metadata:
+  name: mongo-storage
+  namespace: pacman
+spec:
+  accessModes:
+    - ReadWriteOnce
+  resources:
+    requests:
+      storage: 1Gi
+---
+apiVersion: apps/v1
+kind: StatefulSet
+metadata:
+  labels:
+    name: mongo
+  name: mongo
+  namespace: pacman
+  annotations:
+    source: "https://github.com/saintdle/pacman-tanzu"
+spec:
+  replicas: 1
+  serviceName: mongo
+  selector:
+    matchLabels:
+      name: mongo
+  template:
+    metadata:
+      labels:
+        name: mongo
+    spec:
+      initContainers:
+      - args:
+        - |
+          mkdir -p /bitnami/mongodb
+          chown -R "1001:1001" "/bitnami/mongodb"
+        command:
+        - /bin/bash
+        - -ec
+        image: docker.io/bitnami/bitnami-shell:10-debian-10-r158
+        imagePullPolicy: Always
+        name: volume-permissions
+        resources: {}
+        securityContext:
+          runAsUser: 0
+        terminationMessagePath: /dev/termination-log
+        terminationMessagePolicy: File
+        volumeMounts:
+        - mountPath: /bitnami/mongodb
+          name: mongo-db
+      restartPolicy: Always
+      schedulerName: default-scheduler
+      securityContext:
+        fsGroup: 1001
+      serviceAccountName: default
+      terminationGracePeriodSeconds: 30
+      volumes:
+      - name: mongo-db
+        persistentVolumeClaim:
+          claimName: mongo-storage
+      containers:
+      - image: bitnami/mongodb:4.4.8
+        name: mongo
+        env:
+        - name: MONGODB_ROOT_PASSWORD
+          valueFrom:
+            secretKeyRef:
+              key: database-admin-password
+              name: mongodb-users-secret
+        - name: MONGODB_DATABASE
+          valueFrom:
+            secretKeyRef:
+              key: database-name
+              name: mongodb-users-secret
+        - name: MONGODB_PASSWORD
+          valueFrom:
+            secretKeyRef:
+              key: database-password
+              name: mongodb-users-secret
+        - name: MONGODB_USERNAME
+          valueFrom:
+            secretKeyRef:
+              key: database-user
+              name: mongodb-users-secret
+        readinessProbe:
+          exec:
+           command:
+            - /bin/sh
+            - -i
+            - -c
+            - mongo 127.0.0.1:27017/$MONGODB_DATABASE -u $MONGODB_USERNAME -p $MONGODB_PASSWORD
+              --eval="quit()"
+        ports:
+        - name: mongo
+          containerPort: 27017
+        volumeMounts:
+          - name: mongo-db
+            mountPath: /bitnami/mongodb/
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  labels:
+    name: pacman
+  name: pacman
+  namespace: pacman
+  annotations:
+    source: "https://github.com/saintdle/pacman-tanzu"
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      name: pacman
+  template:
+    metadata:
+      labels:
+        name: pacman
+    spec:
+      containers:
+      - image: quay.io/ifont/pacman-nodejs-app:latest
+        name: pacman
+        ports:
+        - containerPort: 8080
+          name: http-server
+          protocol: TCP
+        livenessProbe:
+          httpGet:
+            path: /
+            port: 8080
+        readinessProbe:
+          httpGet:
+            path: /
+            port: 8080
+        env:
+        - name: MONGO_SERVICE_HOST
+          value: mongo
+        - name: MONGO_AUTH_USER
+          valueFrom:
+            secretKeyRef:
+              key: database-user
+              name: mongodb-users-secret
+        - name: MONGO_AUTH_PWD
+          valueFrom:
+            secretKeyRef:
+              key: database-password
+              name: mongodb-users-secret
+        - name: MONGO_DATABASE
+          value: pacman
+        - name: MY_MONGO_PORT
+          value: "27017"
+        - name: MONGO_USE_SSL
+          value: "false"
+        - name: MONGO_VALIDATE_SSL
+          value: "false"
+        - name: MY_NODE_NAME
+          valueFrom:
+            fieldRef:
+              apiVersion: v1
+              fieldPath: spec.nodeName
+---
+apiVersion: v1
+kind: Service
+metadata:
+  labels:
+    name: mongo
+  name: mongo
+  namespace: pacman
+spec:
+  type: ClusterIP
+  ports:
+    - port: 27017
+      targetPort: 27017
+  selector:
+    name: mongo
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: pacman
+  namespace: pacman
+  labels:
+    name: pacman
+spec:
+  type: LoadBalancer
+  ports:
+    - port: 80
+      targetPort: 8080
+      protocol: TCP
+  selector:
+    name: pacman

Days/Kubernetes/scripts/common.sh

@@ -0,0 +1,91 @@
+#! /bin/bash
+
+# Variable Declaration
+KUBERNETES_VERSION="1.23.3-00"
+
+# disable swap 
+sudo swapoff -a
+# keeps the swaf off during reboot
+sudo sed -i '/ swap / s/^\(.*\)$/#\1/g' /etc/fstab
+
+#Letting iptables see bridged traffic 
+lsmod | grep br_netfilter
+sudo modprobe br_netfilter
+
+cat <<EOF | sudo tee /etc/modules-load.d/k8s.conf
+br_netfilter
+EOF
+
+cat <<EOF | sudo tee /etc/sysctl.d/k8s.conf
+net.bridge.bridge-nf-call-ip6tables = 1
+net.bridge.bridge-nf-call-iptables = 1
+EOF
+sudo sysctl --system
+
+# containerd
+cat <<EOF | sudo tee /etc/modules-load.d/containerd.conf
+overlay
+br_netfilter
+EOF
+
+sudo modprobe overlay
+sudo modprobe br_netfilter
+
+# Setup required sysctl params, these persist across reboots.
+cat <<EOF | sudo tee /etc/sysctl.d/99-kubernetes-cri.conf
+net.bridge.bridge-nf-call-iptables  = 1
+net.ipv4.ip_forward                 = 1
+net.bridge.bridge-nf-call-ip6tables = 1
+EOF
+
+# Apply sysctl params without reboot
+sudo sysctl --system
+
+#Clean Install Docker Engine on Ubuntu
+sudo apt-get remove docker docker-engine docker.io containerd runc
+sudo apt-get update -y
+sudo apt-get install -y \
+    apt-transport-https \
+    ca-certificates \
+    curl \
+    gnupg \
+    lsb-release
+
+#Add Docker’s official GPG key:
+curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor -o /usr/share/keyrings/docker-archive-keyring.gpg
+
+#set up the stable repository
+echo \
+  "deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/docker-archive-keyring.gpg] https://download.docker.com/linux/ubuntu \
+  $(lsb_release -cs) stable" | sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
+
+#Install Docker Engine
+sudo apt-get update -y
+sudo apt-get install -y docker-ce docker-ce-cli containerd.io
+
+#Configure containerd
+sudo mkdir -p /etc/containerd
+containerd config default | sudo tee /etc/containerd/config.toml
+
+#restart containerd
+sudo systemctl restart containerd
+
+echo "ContainerD Runtime Configured Successfully"
+
+#Installing kubeadm, kubelet and kubectl
+sudo apt-get update -y 
+sudo apt-get install -y apt-transport-https ca-certificates curl
+
+#Google Cloud public signing key
+sudo curl -fsSLo /usr/share/keyrings/kubernetes-archive-keyring.gpg https://packages.cloud.google.com/apt/doc/apt-key.gpg
+
+#Add Kubernetes apt repository
+echo "deb [signed-by=/usr/share/keyrings/kubernetes-archive-keyring.gpg] https://apt.kubernetes.io/ kubernetes-xenial main" | sudo tee /etc/apt/sources.list.d/kubernetes.list
+
+#Update apt package index, install kubelet, kubeadm and kubectl, and pin their version:
+sudo apt-get update -y
+
+sudo apt-get install -y kubelet kubectl kubeadm
+
+sudo apt-mark hold kubelet kubeadm kubectl
+

Days/Kubernetes/scripts/master.sh

@@ -0,0 +1,83 @@
+#! /bin/bash
+
+MASTER_IP="10.0.0.10"
+NODENAME=$(hostname -s)
+POD_CIDR="192.168.0.0/16"
+
+sudo kubeadm config images pull
+
+echo "Preflight Check Passed: Downloaded All Required Images"
+
+
+sudo kubeadm init --apiserver-advertise-address=$MASTER_IP  --apiserver-cert-extra-sans=$MASTER_IP --pod-network-cidr=$POD_CIDR --node-name $NODENAME --ignore-preflight-errors Swap
+
+mkdir -p $HOME/.kube
+sudo cp -i /etc/kubernetes/admin.conf $HOME/.kube/config
+sudo chown $(id -u):$(id -g) $HOME/.kube/config
+
+# Save Configs to shared /Vagrant location
+# For Vagrant re-runs, check if there is existing configs in the location and delete it for saving new configuration.
+config_path="/vagrant/configs"
+
+if [ -d $config_path ]; then
+   rm -f $config_path/*
+else
+   mkdir -p /vagrant/configs
+fi
+
+cp -i /etc/kubernetes/admin.conf /vagrant/configs/config
+touch /vagrant/configs/join.sh
+chmod +x /vagrant/configs/join.sh       
+
+# Generete kubeadm join command
+kubeadm token create --print-join-command > /vagrant/configs/join.sh
+
+# Install Calico Network Plugin
+curl https://docs.projectcalico.org/manifests/calico.yaml -O
+
+kubectl apply -f calico.yaml
+
+# Install Metrics Server
+kubectl apply -f https://github.com/kubernetes-sigs/metrics-server/releases/latest/download/components.yaml
+kubectl patch deployment metrics-server -n kube-system --type 'json' -p '[{"op": "add", "path": "/spec/template/spec/containers/0/args/-", "value": "--kubelet-insecure-tls"}]'
+
+# Install Kubernetes Dashboard
+kubectl apply -f https://raw.githubusercontent.com/kubernetes/dashboard/v2.4.0/aio/deploy/recommended.yaml
+
+# Create Dashboard User
+cat <<EOF | kubectl apply -f -
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: admin-user
+  namespace: kubernetes-dashboard
+EOF
+
+cat <<EOF | kubectl apply -f -
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRoleBinding
+metadata:
+  name: admin-user
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: ClusterRole
+  name: cluster-admin
+subjects:
+- kind: ServiceAccount
+  name: admin-user
+  namespace: kubernetes-dashboard
+EOF
+
+kubectl -n kubernetes-dashboard get secret $(kubectl -n kubernetes-dashboard get sa/admin-user -o jsonpath="{.secrets[0].name}") -o go-template="{{.data.token | base64decode}}" >> /vagrant/configs/token
+
+sudo -i -u vagrant bash << EOF
+mkdir -p /home/vagrant/.kube
+sudo cp -i /vagrant/configs/config /home/vagrant/.kube/
+sudo chown 1000:1000 /home/vagrant/.kube/config
+EOF
+
+sudo systemctl restart systemd-resolved
+sudo swapoff -a && sudo systemctl daemon-reload && sudo systemctl restart kubelet
+
+
+

Days/Kubernetes/scripts/node.sh

@@ -0,0 +1,14 @@
+#! /bin/bash
+
+/bin/bash /vagrant/configs/join.sh -v
+
+sudo -i -u vagrant bash << EOF
+mkdir -p /home/vagrant/.kube
+sudo cp -i /vagrant/configs/config /home/vagrant/.kube/
+sudo chown 1000:1000 /home/vagrant/.kube/config
+NODENAME=$(hostname -s)
+kubectl label node $(hostname -s) node-role.kubernetes.io/worker=worker-new
+EOF
+
+sudo systemctl restart systemd-resolved
+sudo swapoff -a && sudo systemctl daemon-reload && sudo systemctl restart kubelet

Days/Kubernetes/statefulset.yaml

@@ -0,0 +1,86 @@
+apiVersion: apps/v1
+kind: StatefulSet
+metadata:
+  labels:
+    name: mongo
+  name: mongo
+  annotations:
+    source: "https://github.com/saintdle/pacman-tanzu"
+spec:
+  replicas: 1
+  serviceName: mongo
+  selector:
+    matchLabels:
+      name: mongo
+  template:
+    metadata:
+      labels:
+        name: mongo
+    spec:
+      initContainers:
+      - args:
+        - |
+          mkdir -p /bitnami/mongodb
+          chown -R "1001:1001" "/bitnami/mongodb"
+        command:
+        - /bin/bash
+        - -ec
+        image: docker.io/bitnami/bitnami-shell:10-debian-10-r158
+        imagePullPolicy: Always
+        name: volume-permissions
+        resources: {}
+        securityContext:
+          runAsUser: 0
+        terminationMessagePath: /dev/termination-log
+        terminationMessagePolicy: File
+        volumeMounts:
+        - mountPath: /bitnami/mongodb
+          name: mongo-db
+      restartPolicy: Always
+      schedulerName: default-scheduler
+      securityContext:
+        fsGroup: 1001
+      serviceAccountName: default
+      terminationGracePeriodSeconds: 30
+      volumes:
+      - name: mongo-db
+        persistentVolumeClaim:
+          claimName: mongo-storage
+      containers:
+      - image: bitnami/mongodb:4.4.8
+        name: mongo
+        env:
+        - name: MONGODB_ROOT_PASSWORD
+          valueFrom:
+            secretKeyRef:
+              key: database-admin-password
+              name: mongodb-users-secret
+        - name: MONGODB_DATABASE
+          valueFrom:
+            secretKeyRef:
+              key: database-name
+              name: mongodb-users-secret
+        - name: MONGODB_PASSWORD
+          valueFrom:
+            secretKeyRef:
+              key: database-password
+              name: mongodb-users-secret
+        - name: MONGODB_USERNAME
+          valueFrom:
+            secretKeyRef:
+              key: database-user
+              name: mongodb-users-secret
+        readinessProbe:
+          exec:
+           command:
+            - /bin/sh
+            - -i
+            - -c
+            - mongo 127.0.0.1:27017/$MONGODB_DATABASE -u $MONGODB_USERNAME -p $MONGODB_PASSWORD
+              --eval="quit()"
+        ports:
+        - name: mongo
+          containerPort: 27017
+        volumeMounts:
+          - name: mongo-db
+            mountPath: /bitnami/mongodb/