├── LICENSE ├── README.md ├── deploy_kubernetes.yml ├── deploy_vsphere.yml ├── disable-swap.yml ├── envanswer.yml ├── initialize-kubernetes.yml ├── install-k8s-packages.yml ├── kube-cntlr-deploy.yml ├── kube-drs-rules.yml ├── kube-nodes-deploy.yml ├── kube-nodes-hw.yml ├── kube-poweron-vms.yml └── vcenter-generate-inventory.yml /LICENSE: -------------------------------------------------------------------------------- 1 | GNU GENERAL PUBLIC LICENSE 2 | Version 3, 29 June 2007 3 | 4 | Copyright (C) 2007 Free Software Foundation, Inc. 5 | Everyone is permitted to copy and distribute verbatim copies 6 | of this license document, but changing it is not allowed. 7 | 8 | Preamble 9 | 10 | The GNU General Public License is a free, copyleft license for 11 | software and other kinds of works. 12 | 13 | The licenses for most software and other practical works are designed 14 | to take away your freedom to share and change the works. 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Of course, your program's commands 662 | might be different; for a GUI interface, you would use an "about box". 663 | 664 | You should also get your employer (if you work as a programmer) or school, 665 | if any, to sign a "copyright disclaimer" for the program, if necessary. 666 | For more information on this, and how to apply and follow the GNU GPL, see 667 | . 668 | 669 | The GNU General Public License does not permit incorporating your program 670 | into proprietary programs. If your program is a subroutine library, you 671 | may consider it more useful to permit linking proprietary applications with 672 | the library. If this is what you want to do, use the GNU Lesser General 673 | Public License instead of this License. But first, please read 674 | . 675 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # vsphere-kubernetes 2 | Infrastructure-as-Code Project to deploy a fully-automated Kubernetes environment leveraging VMware vSphere, Ubuntu,and Ansible. 3 | 4 | To deploy the environment, perform the following steps: 5 | 1. Modify the 'envanswer.yml' file to include the environment-specific URLS, usernames, passwords, and additional configuration information. 6 | 2. Run the Ansible playbook 'deploy_vsphere.yml' to deploy the vSphere components. 7 | 3. Run the Ansible playbook 'vcenter-generate-inventory.yml' to create the inventory file for the environment. 8 | 4. Run the Ansible playbook 'deploy_kubernetes' to install and configure Kubernetes. 9 | 10 | ## Prerequisites 11 | The vSphere environment requires an Ubuntu 22.04LTS template to clone the VMs from. 12 | 13 | ## Ansible Playbooks for SDDC deployment 14 | These are the individual Ansible Playbooks leveraged to deploy Kubernetes inside a VMware SDDC environment 15 | 16 | - kube-cntlr-deploy.yml: Deploy master or controller nodes for Kubernetes cluster 17 | - kube-nodes-deploy.yml: Deploy minion nodes for Kubernetes cluster 18 | - kube-nodes-hw.yml: Modifies the CPU and Memory configuration of minion nodes 19 | - kube-drs-rules.yml: Create DRS anti-affinity rules for controllers 20 | - vcenter-generate-inventory: Create Ansible inventory file with correct VM names and IP addresses 21 | 22 | ## Ansible Playbooks for Kubernetes deployment 23 | - disable-swap.yml: Disables swap inside the OS for each nodes 24 | - install-k8s-packages.yml: Installs all the necessary Kubernetes packages and prerequisites inside Ubuntu 25 | - containerd-workaround.yml: (Optional) Known issue with containerd /etc/containerd/config.toml file 26 | - initialize-kubernetes.yml: Initializes the Kubernetes cluster, deploys Antrea CNI, adds both controllers + workers to cluster -------------------------------------------------------------------------------- /deploy_kubernetes.yml: -------------------------------------------------------------------------------- 1 | --- 2 | - import_playbook: disable-swap.yml 3 | - import_playbook: install-k8s-packages.yml 4 | -------------------------------------------------------------------------------- /deploy_vsphere.yml: -------------------------------------------------------------------------------- 1 | --- 2 | - import_playbook: kube-cntlr-deploy.yml 3 | - import_playbook: kube-nodes-deploy.yml 4 | - import_playbook: kube-drs-rules.yml 5 | - import_playbook: kube-nodes-hw.yml 6 | - import_playbook: kube-poweron-vms.yml 7 | -------------------------------------------------------------------------------- /disable-swap.yml: -------------------------------------------------------------------------------- 1 | --- 2 | - hosts: kube-cluster 3 | gather_facts: false 4 | become: yes 5 | 6 | tasks: 7 | # Code copied from https://germaniumhq.com/2019/02/14/2019-02-14-Disabling-Swap-for-Kubernetes-in-an-Ansible-Playbook/ 8 | - name: Disable swap in Ubuntu OS 9 | shell: | 10 | swapoff -a 11 | 12 | - name: Disable swap in /etc/fstab 13 | replace: 14 | path: /etc/fstab 15 | regexp: '^([^#].*?\sswap\s+sw\s+.*)$' 16 | replace: '# \1' 17 | register: swapfile 18 | 19 | - name: Reboot node if swapfile changed 20 | reboot: 21 | reboot_timeout: 300 22 | pre_reboot_delay: 0 23 | post_reboot_delay: 30 24 | when: swapfile.changed 25 | 26 | - hosts: localhost 27 | gather_facts: false 28 | connection: local 29 | 30 | vars_files: 31 | - envanswer.yml 32 | 33 | tasks: 34 | - name: Wait for VMtools to start on controllers 35 | vmware_guest_tools_wait: 36 | hostname: "{{ vcenter }}" 37 | username: "{{ vcenter_user }}" 38 | password: "{{ vcenter_pass }}" 39 | validate_certs: false 40 | name: "{{ vm_prefix }}-controller{{ item }}" 41 | delegate_to: localhost 42 | with_sequence: start=0 end=2 43 | 44 | - name: Wait for VMtools to start on workers 45 | vmware_guest_tools_wait: 46 | hostname: "{{ vcenter }}" 47 | username: "{{ vcenter_user }}" 48 | password: "{{ vcenter_pass }}" 49 | validate_certs: false 50 | name: "{{ vm_prefix }}-node{{ item }}" 51 | delegate_to: localhost 52 | with_sequence: start=1 end={{num_nodes|int}} 53 | 54 | -------------------------------------------------------------------------------- /envanswer.yml: -------------------------------------------------------------------------------- 1 | # VMware SDDC information 2 | vcenter: "vcenter.home.virtualelephant.com" 3 | vcenter_user: "administrator@vsphere.local" 4 | vcenter_pass: "PASSWORD" 5 | dc: "Lab" 6 | cluster_name: "R630 Cluster" 7 | datastore: "synlun-2" 8 | folder: "Kubernetes/Native" 9 | vm_prefix: "kube" 10 | ubuntu_template: "ubuntu-server-kube-22.04.1.lts" 11 | portgroup: "ve-tenant-1" 12 | num_nodes: 3 13 | 14 | # Kubernetes / OS information 15 | pod_cidr: "10.244.0.0/16" 16 | home_dir: "/home/deploy" 17 | 18 | # Worker node memory & vcpu settings 19 | node_mem: 8192 20 | node_vcpu: 4 21 | local_user: USER 22 | 23 | # Networking information 24 | virtual_service: "IP.ADD.RESS.LB" 25 | domain_name: "SUB.DOMAIN.NAME" 26 | -------------------------------------------------------------------------------- /initialize-kubernetes.yml: -------------------------------------------------------------------------------- 1 | --- 2 | - hosts: kube-cluster 3 | gather_facts: false 4 | become: yes 5 | 6 | vars: 7 | join_command_location: "{{ home_dir }}/git/vsphere-kubernetes/cluster_join.out" 8 | controller_join_command_location: "{{ home_dir }}/git/vsphere-kubernetes/controller_join.out" 9 | antrea_version: "v1.11.0" 10 | 11 | vars_files: 12 | - envanswer.yml 13 | 14 | tasks: 15 | 16 | - block: 17 | - name: Initialize Kubernetes cluster 18 | command: "kubeadm init --pod-network-cidr {{ pod_cidr }} --control-plane-endpoint \"{{ virtual_service }}:6443\" --upload-certs" 19 | register: kube_init 20 | 21 | - name: Create .kube directory 22 | file: 23 | path: "{{ home_dir }}/.kube" 24 | state: directory 25 | owner: 1000 26 | group: 1000 27 | 28 | - name: Configure .kube/config files 29 | copy: 30 | src: /etc/kubernetes/admin.conf 31 | dest: "{{ home_dir }}/.kube/config" 32 | remote_src: yes 33 | owner: 1000 34 | group: 1000 35 | 36 | - name: Extract the certificate-key token 37 | command: "kubeadm alpha certs certificate-key" 38 | register: certificate_token 39 | 40 | - name: Initialize the CNI Antrea inside the cluster 41 | command: "kubectl apply -f https://github.com/antrea-io/antrea/releases/download/{{ antrea_version }}/antrea.yml" 42 | register: antrea_command 43 | 44 | - pause: 45 | minutes: 2 46 | 47 | - name: Initialize the upload certs 48 | command: "kubeadm init phase upload-certs --upload-certs --certificate-key={{ certificate_token.stdout }}" 49 | register: upload_certs 50 | 51 | - name: Extract the controllers join command 52 | command: "kubeadm token create --print-join-command --certificate-key {{ certificate_token.stdout }}" 53 | register: controller_command 54 | 55 | - name: Extract the minions join command 56 | command: "kubeadm token create --print-join-command" 57 | register: join_command 58 | - name: Save kubeadm join command for minions 59 | local_action: copy content={{ join_command.stdout_lines | last | trim }} dest={{ join_command_location }} 60 | 61 | - name: Save kubeadm join command for controllers 62 | local_action: copy content={{ controller_command.stdout_lines | last | trim }} dest={{ controller_join_command_location }} 63 | 64 | - name: Copy minions join command to local file 65 | copy: 66 | src: "{{ join_command_location }}" 67 | dest: "{{ home_dir }}/" 68 | owner: 1000 69 | group: 1000 70 | mode: '0644' 71 | 72 | - name: Copy controllers join command to local file 73 | copy: 74 | src: "{{ controller_join_command_location }}" 75 | dest: "{{ home_dir }}" 76 | owner: 1000 77 | group: 1000 78 | mode: '0644' 79 | 80 | when: "'controller0' in inventory_hostname" 81 | 82 | # Allow all of the kube-system namespace containers to initialize 83 | - pause: 84 | minutes: 5 85 | 86 | - name: Read controller join command on controllers 87 | debug: msg={{ lookup('file', controller_join_command_location) }} 88 | register: controller_join_local 89 | when: "'controller1' in inventory_hostname" 90 | 91 | - name: Join 2nd controller to Kubernetes cluster 92 | command: "{{ controller_join_local.msg }}" 93 | when: "'controller1' in inventory_hostname" 94 | 95 | - name: Read controller join command on controllers 96 | debug: msg={{ lookup('file', controller_join_command_location) }} 97 | register: controller_join_local 98 | when: "'controller2' in inventory_hostname" 99 | 100 | - name: Join 3rd controller to Kubernetes cluster 101 | command: "{{ controller_join_local.msg }}" 102 | when: "'controller2' in inventory_hostname" 103 | 104 | - name: Read join command on minion nodes 105 | debug: msg={{ lookup('file', join_command_location) }} 106 | register: join_command_local 107 | when: "'node' in inventory_hostname" 108 | 109 | - name: Join minions to Kubernetes cluster 110 | command: "{{ join_command_local.msg }}" 111 | when: "'node' in inventory_hostname" 112 | -------------------------------------------------------------------------------- /install-k8s-packages.yml: -------------------------------------------------------------------------------- 1 | --- 2 | - hosts: kube-cluster 3 | become: yes 4 | gather_facts: false 5 | 6 | vars_files: 7 | - envanswer.yml 8 | 9 | tasks: 10 | - name: Set hostname on node 11 | hostname: 12 | name: "{{ inventory_hostname }}" 13 | 14 | - name: Install pre-requisite packages 15 | apt: 16 | name: ['apt-transport-https', 'gnupg', 'ca-certificates', 'curl', 'software-properties-common', 'inetutils-traceroute'] 17 | force_apt_get: yes 18 | state: present 19 | 20 | - name: Install Docker GPG key 21 | shell: "curl -fsSL https://download.docker.com/linux/ubuntu/gpg | gpg --dearmor -o /usr/share/keyrings/docker-archive-keyring.gpg" 22 | 23 | - name: Add sources.list.d file for Docker 24 | shell: "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\""" 25 | 26 | - name: Update repo for Docker 27 | apt: 28 | update_cache: yes 29 | force_apt_get: yes 30 | 31 | - name: Install Docker 32 | apt: 33 | name: ['docker-ce'] 34 | force_apt_get: yes 35 | state: present 36 | 37 | - name: Add "{{ local_user }}" to Docker group 38 | user: 39 | name: "{{ local_user }}" 40 | groups: docker 41 | append: yes 42 | 43 | - name: Enable and start Docker service 44 | systemd: 45 | name: docker 46 | enabled: yes 47 | state: restarted 48 | 49 | # workaround for an issue with Ubuntu 20.x and 22.x with containerd.io 50 | - name: Fix containerd issue 51 | ansible.builtin.file: 52 | path: /etc/containerd/config.toml 53 | state: absent 54 | 55 | - name: Restart containerd 56 | systemd: 57 | name: containerd 58 | enabled: yes 59 | state: restarted 60 | 61 | - name: Install Kubernetes GPG key 62 | shell: "curl -s https://packages.cloud.google.com/apt/doc/apt-key.gpg | sudo gpg --dearmour -o /etc/apt/trusted.gpg.d/kubernetes-xenial.gpg" 63 | 64 | - name: Create sources.list.d file for Kubernetes 65 | shell: "apt-add-repository \"deb http://apt.kubernetes.io/ kubernetes-xenial main\"" 66 | 67 | - name: Update package cache in Ubuntu 68 | apt: 69 | update_cache: yes 70 | force_apt_get: yes 71 | 72 | - name: Install Kubernetes packages 73 | apt: 74 | name: ['kubeadm', 'kubectl', 'kubernetes-cni', 'kubelet'] 75 | force_apt_get: yes 76 | state: present 77 | 78 | - name: Install openvswitch for Antrea CNI 79 | apt: 80 | name: ['openvswitch-switch-dpdk'] 81 | state: present 82 | force_apt_get: yes 83 | -------------------------------------------------------------------------------- /kube-cntlr-deploy.yml: -------------------------------------------------------------------------------- 1 | --- 2 | - hosts: localhost 3 | gather_facts: false 4 | connection: local 5 | 6 | vars_files: 7 | - envanswer.yml 8 | 9 | tasks: 10 | - name: Create Ubuntu Kubernetes Controller VMs 11 | vmware_guest: 12 | hostname: "{{ vcenter }}" 13 | username: "{{ vcenter_user }}" 14 | password: "{{ vcenter_pass }}" 15 | validate_certs: False 16 | name: "{{ vm_prefix }}-controller{{item}}" 17 | template: "{{ ubuntu_template }}" 18 | datacenter: "{{ dc }}" 19 | cluster: "{{ cluster_name }}" 20 | folder: "{{ folder }}" 21 | datastore: "{{ datastore }}" 22 | state: poweredoff 23 | delegate_to: localhost 24 | register: createvm 25 | with_sequence: start=0 end=2 26 | 27 | -------------------------------------------------------------------------------- /kube-drs-rules.yml: -------------------------------------------------------------------------------- 1 | --- 2 | - hosts: localhost 3 | gather_facts: false 4 | connection: local 5 | 6 | vars_files: 7 | - envanswer.yml 8 | 9 | tasks: 10 | - name: Create Anti-affinity rules for controllers 11 | vmware_vm_vm_drs_rule: 12 | hostname: "{{ vcenter }}" 13 | username: "{{ vcenter_user }}" 14 | password: "{{ vcenter_pass }}" 15 | validate_certs: false 16 | cluster_name: "{{ cluster_name }}" 17 | drs_rule_name: "{{ vm_prefix }}-controller-rule" 18 | vms: 19 | - "{{ vm_prefix }}-controller0" 20 | - "{{ vm_prefix }}-controller1" 21 | - "{{ vm_prefix }}-controller2" 22 | affinity_rule: False 23 | enabled: true 24 | state: present 25 | delegate_to: localhost 26 | -------------------------------------------------------------------------------- /kube-nodes-deploy.yml: -------------------------------------------------------------------------------- 1 | --- 2 | - hosts: localhost 3 | gather_facts: false 4 | connection: local 5 | 6 | vars_files: 7 | - envanswer.yml 8 | 9 | tasks: 10 | - name: Create Minion VMs from Ubuntu template 11 | vmware_guest: 12 | hostname: "{{ vcenter }}" 13 | username: "{{ vcenter_user }}" 14 | password: "{{ vcenter_pass }}" 15 | validate_certs: False 16 | name: "{{ vm_prefix }}-node{{ item }}" 17 | template: "{{ ubuntu_template }}" 18 | datacenter: "{{ dc }}" 19 | cluster: "{{ cluster_name }}" 20 | state: poweredoff 21 | folder: "/vm/{{ folder }}" 22 | datastore: "{{ datastore }}" 23 | delegate_to: localhost 24 | register: createvm 25 | with_sequence: start=0 end={{num_nodes|int}} 26 | -------------------------------------------------------------------------------- /kube-nodes-hw.yml: -------------------------------------------------------------------------------- 1 | --- 2 | - hosts: localhost 3 | gather_facts: false 4 | connection: local 5 | 6 | vars_files: 7 | - envanswer.yml 8 | 9 | tasks: 10 | - name: Increase HW config on Kubernetes minion nodes 11 | vmware_guest: 12 | hostname: "{{ vcenter }}" 13 | username: "{{ vcenter_user }}" 14 | password: "{{ vcenter_pass }}" 15 | validate_certs: false 16 | name: "{{ vm_prefix }}-node{{ item }}" 17 | hardware: 18 | memory_mb: "{{ node_mem|int }}" 19 | num_cpus: "{{ node_vcpu|int }}" 20 | delegate_to: localhost 21 | register: update_minion_hw 22 | with_sequence: start=1 end={{num_nodes|int}} 23 | -------------------------------------------------------------------------------- /kube-poweron-vms.yml: -------------------------------------------------------------------------------- 1 | --- 2 | - hosts: localhost 3 | gather_facts: false 4 | connection: local 5 | 6 | vars_files: 7 | - envanswer.yml 8 | 9 | tasks: 10 | - name: Power on Kubernetes Controllers 11 | vmware_guest: 12 | hostname: "{{ vcenter }}" 13 | username: "{{ vcenter_user }}" 14 | password: "{{ vcenter_pass }}" 15 | validate_certs: false 16 | name: "{{ vm_prefix }}-controller{{ item }}" 17 | state: poweredon 18 | delegate_to: localhost 19 | with_sequence: start=0 end=2 20 | 21 | - name: Power on Kubernetes Worker Nodes 22 | vmware_guest: 23 | hostname: "{{ vcenter }}" 24 | username: "{{ vcenter_user }}" 25 | password: "{{ vcenter_pass }}" 26 | validate_certs: false 27 | name: "{{ vm_prefix }}-node{{ item }}" 28 | state: poweredon 29 | delegate_to: localhost 30 | with_sequence: start=1 end={{num_nodes|int}} 31 | 32 | -------------------------------------------------------------------------------- /vcenter-generate-inventory.yml: -------------------------------------------------------------------------------- 1 | --- 2 | - name: Query vCenter Server and Get VM IP Addresses 3 | hosts: localhost 4 | gather_facts: no 5 | vars_files: 6 | - envanswer.yml 7 | 8 | tasks: 9 | - name: Get Guest IP address of kube-controller0 10 | vmware_guest_info: 11 | hostname: "{{ vcenter }}" 12 | username: "{{ vcenter_user }}" 13 | password: "{{ vcenter_pass }}" 14 | datacenter: "{{ dc }}" 15 | validate_certs: False 16 | schema: vsphere 17 | name: "{{ vm_prefix }}-controller0" 18 | properties: 19 | - guest.ipAddress 20 | register: kube_controller0_ip 21 | 22 | - name: Get Guest IP address of kube-controller1 23 | vmware_guest_info: 24 | hostname: "{{ vcenter }}" 25 | username: "{{ vcenter_user }}" 26 | password: "{{ vcenter_pass }}" 27 | datacenter: dc 28 | validate_certs: False 29 | schema: vsphere 30 | name: "{{ vm_prefix }}-controller1" 31 | properties: 32 | - guest.ipAddress 33 | register: kube_controller1_ip 34 | 35 | - name: Get Guest IP address of kube-controller2 36 | vmware_guest_info: 37 | hostname: "{{ vcenter }}" 38 | username: "{{ vcenter_user }}" 39 | password: "{{ vcenter_pass }}" 40 | datacenter: "{{ dc }}" 41 | validate_certs: False 42 | schema: vsphere 43 | name: "{{ vm_prefix }}-controller2" 44 | properties: 45 | - guest.ipAddress 46 | register: kube_controller2_ip 47 | 48 | - name: Get Guest IP addresses of kube-node VMs 49 | vmware_guest_info: 50 | hostname: "{{ vcenter }}" 51 | username: "{{ vcenter_user }}" 52 | password: "{{ vcenter_pass }}" 53 | datacenter: "{{ dc }}" 54 | validate_certs: False 55 | schema: vsphere 56 | name: "{{ vm_prefix }}-node{{ item }}" 57 | properties: 58 | - guest.ipAddress 59 | register: kube_node_ips 60 | with_sequence: start=1 end={{num_nodes|int}} 61 | 62 | - name: Print IP addresses 63 | debug: 64 | msg: 65 | - "kube-controller0 IP address is {{ kube_controller0_ip.instance.guest.ipAddress }}" 66 | - "kube-controller1 IP address is {{ kube_controller1_ip.instance.guest.ipAddress }}" 67 | - "kube-controller2 IP address is {{ kube_controller2_ip.instance.guest.ipAddress }}" 68 | 69 | - name: Write IP addresses to inventory file 70 | copy: 71 | content: | 72 | [kube-controllers] 73 | kube-controller0 ansible_host={{ kube_controller0_ip.instance.guest.ipAddress }} 74 | kube-controller1 ansible_host={{ kube_controller1_ip.instance.guest.ipAddress }} 75 | kube-controller2 ansible_host={{ kube_controller2_ip.instance.guest.ipAddress }} 76 | 77 | [kube-nodes] 78 | {% for node in range(num_nodes) %} 79 | {{ vm_prefix }}-node{{ node+1|int }} ansible_host={{ kube_node_ips.results[node].instance.guest.ipAddress }} 80 | {% endfor %} 81 | 82 | [kube-cluster] 83 | kube-controller0 ansible_host={{ kube_controller0_ip.instance.guest.ipAddress }} 84 | kube-controller1 ansible_host={{ kube_controller1_ip.instance.guest.ipAddress }} 85 | kube-controller2 ansible_host={{ kube_controller2_ip.instance.guest.ipAddress }} 86 | {% for node in range(num_nodes) %} 87 | {{ vm_prefix }}-node{{ node+1|int }} ansible_host={{ kube_node_ips.results[node].instance.guest.ipAddress }} 88 | {% endfor %} 89 | 90 | dest: inventory 91 | --------------------------------------------------------------------------------