Added extra no-deploy options for v1.0.0
This commit is contained in:
Xan Manning
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@ -22,7 +22,7 @@ env:
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MOLECULE_PLAYBOOK: playbook-docker.yml
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# Test using alternate port and using wireguard as the flannel backend
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- MOLECULE_DISTRO: amazonlinux2
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- MOLECULE_DISTRO: debian10
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MOLECULE_PLAYBOOK: playbook-docker-altport-wireguard.yml
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# Test disabling all deployments
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36
README.md
36
README.md
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@ -22,11 +22,15 @@ This role has been tested on Ansible 2.6.0+ against the following Linux Distribu
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## Disclaimer
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:warning: Not suitable for production use.
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:warning: May not be suitable for production use!
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Whilst Rancher Labs are awesome, k3s is a fairly new project and not yet a v1.0
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release so extreme caution and operational rigor is recommended before using
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this role for any serious development.
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Rancher Labs is awesome and has released k3s as v1.0.0, however at the time of
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creating this role I do not have a k3s cluster in production nor am I unlikely
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to ever have one. Please ensure you practice extreme caution and operational
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rigor before using this role for any serious workloads.
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If you have any problems please create a GitHub issue, I maintain this role in
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my spare time so I cannot promise a speedy fix delivery.
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## Role Variables
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@ -52,6 +56,8 @@ consistency.
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| `k3s_cluster_domain` | Cluster Domain. | cluster.local |
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| `k3s_no_traefik` | Do not use Traefik | `false` |
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| `k3s_no_servicelb` | Do not use ServiceLB, necessary for using something like MetalLB. | `false` |
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| `k3s_no_local_storage` | Do not use Local Storage | `false` |
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| `k3s_no_metrics_server` | Do not deploy metrics server | `false` |
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| `k3s_disable_scheduler` | Disable Kubernetes default scheduler | `false` |
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| `k3s_disable_cloud_controller` | Disable k3s default cloud controller manager. | `false` |
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| `k3s_disable_network_policy` | Disable k3s default network policy controller. | `false` |
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@ -81,16 +87,18 @@ Please note that this may potentially break setting up agents.
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Below are variables that are set against specific hosts in your inventory.
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| Variable | Description | Default Value |
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|-----------------------------|--------------------------------------------------------|---------------|
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| `k3s_control_node` | Define the host as a control plane node, (True/False). | `false` |
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| `k3s_node_name` | Define the name of this node. | `$(hostname)` |
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| `k3s_flannel_interface` | Define the flannel proxy interface for this node. | _NULL_ |
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| `k3s_bind_address` | Define the bind address for this node. | localhost |
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| `k3s_node_ip_address` | IP Address to advertise for this node. | _NULL_ |
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| `k3s_node_external_address` | External IP Address to advertise for this node. | _NULL_ |
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| `k3s_node_labels` | List of node labels. | _NULL_ |
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| `k3s_node_taints` | List of node taints. | _NULL_ |
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| Variable | Description | Default Value |
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|-----------------------------|--------------------------------------------------------|------------------------|
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| `k3s_control_node` | Define the host as a control plane node, (True/False). | `false` |
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| `k3s_node_name` | Define the name of this node. | `$(hostname)` |
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| `k3s_node_id` | Define the ID of this node. | _NULL_ |
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| `k3s_flannel_interface` | Define the flannel proxy interface for this node. | _NULL_ |
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| `k3s_bind_address` | Define the bind address for this node. | localhost |
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| `k3s_node_ip_address` | IP Address to advertise for this node. | _NULL_ |
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| `k3s_node_external_address` | External IP Address to advertise for this node. | _NULL_ |
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| `k3s_node_labels` | List of node labels. | _NULL_ |
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| `k3s_node_taints` | List of node taints. | _NULL_ |
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| `k3s_node_data_dir` | Folder to hold state. | `/var/lib/rancher/k3s` |
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#### Important note about `k3s_control_node`
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@ -43,6 +43,12 @@ k3s_no_traefik: false
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# load balancer service.
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k3s_no_servicelb: false
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# Do not use local storage
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k3s_no_local_storage: false
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# Do not deploy metrics server
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k3s_no_metrics_server: false
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# Disable default k3s scheduler
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k3s_disable_scheduler: false
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@ -4,10 +4,11 @@
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become: true
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vars:
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molecule_is_test: true
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k3s_no_flannel: true
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k3s_no_coredns: true
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k3s_no_traefik: true
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k3s_no_servicelb: true
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k3s_no_local_storage: true
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k3s_no_metrics_server: true
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k3s_disable_scheduler: true
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k3s_disable_cloud_controller: true
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k3s_disable_network_policy: true
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@ -20,7 +20,6 @@
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- name: Ensure control node is delegated to for obtaining a token
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set_fact:
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k3s_control_delegate: "{{ k3s_control_delegate_raw.stdout.split(' @@@ ')[0] }}"
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when: k3s_control_node_address is not defined
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- name: Ensure the control node address is registered in Ansible
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set_fact:
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@ -25,14 +25,18 @@ ExecStart={{ k3s_install_dir }}/k3s
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--disable-network-policy
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{% endif %}
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{% if k3s_no_flannel %}
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--no-flannel
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{% if k3s_release_version is version_compare('1.0.0', '<') %}
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--no-flannel
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{% else %}
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--flannel-backend none
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{% endif %}
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{% endif %}
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{% if k3s_flannel_backend != "vxlan" and not k3s_no_flannel %}
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--flannel-backend {{ k3s_flannel_backend }}
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{% endif %}
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{% if k3s_no_coredns is defined or k3s_no_traefik is defined or k3s_no_servicelb is defined %}
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{% if k3s_no_coredns or k3s_no_traefik or k3s_no_servicelb %}
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{{ ' --no-deploy coredns' if k3s_no_coredns else '' }}{{ ' --no-deploy servicelb' if k3s_no_servicelb else '' }}{{ ' --no-deploy traefik' if k3s_no_traefik else '' }}
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{{ ' --no-deploy coredns' if k3s_no_coredns else '' }}{{ ' --no-deploy servicelb' if k3s_no_servicelb else '' }}{{ ' --no-deploy traefik' if k3s_no_traefik else '' }}{{ ' --no-deploy local-storage' if k3s_no_local_storage else '' }}{{ ' --no-deploy metrics-server' if k3s_no_metrics_server else '' }}
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{% endif %}
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{% endif %}
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{% if k3s_cluster_dns is defined and k3s_cluster_dns %}
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@ -46,6 +50,9 @@ ExecStart={{ k3s_install_dir }}/k3s
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--server https://{{ k3s_control_node_address }}:{{ k3s_https_port }}
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--token {{ k3s_control_token }}
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{% endif %}
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{% if k3s_node_data_dir is defined %}
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--data-dir {{ k3s_node_data_dir }}
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{% endif %}
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{% if k3s_use_docker %}
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--docker
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{% endif %}
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@ -58,6 +65,9 @@ ExecStart={{ k3s_install_dir }}/k3s
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{% if k3s_node_name is defined %}
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--node-name {{ k3s_node_name }}
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{% endif %}
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{% if k3s_node_id is defined %}
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--with-node-id {{ k3s_node_id }}
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{% endif %}
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{% if k3s_node_ip_address is defined %}
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--node-ip {{ k3s_node_ip_address }}
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{% endif %}
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