Option for MetalLB to talk BGP (#6383)
* Option for MetalLB to talk BGP * Check for BGP peers when metallb_protocol is bgp * README clarification * Commented values as documentation only in the sample inventory * layer 2 or BGP, not bothpull/6501/head
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@ -135,3 +135,11 @@ metallb_enabled: false
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# - "10.5.1.50-10.5.1.99"
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# protocol: "layer2"
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# auto_assign: false
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# metallb_protocol: "bgp"
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# metallb_peers:
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# - peer_address: 192.0.2.1
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# peer_asn: 64512
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# my_asn: 4200000000
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# - peer_address: 192.0.2.2
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# peer_asn: 64513
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# my_asn: 4200000000
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@ -3,13 +3,15 @@
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MetalLB hooks into your Kubernetes cluster, and provides a network load-balancer implementation.
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In short, it allows you to create Kubernetes services of type "LoadBalancer" in clusters that
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don't run on a cloud provider, and thus cannot simply hook into paid products to provide load-balancers.
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This addon aims to automate [this](https://metallb.universe.tf/concepts/layer2/).
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It deploys MetalLB into Kubernetes and sets up a layer 2 load-balancer.
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This addon aims to automate [MetalLB in layer 2 mode](https://metallb.universe.tf/concepts/layer2/)
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or [MetalLB in BGP mode][https://metallb.universe.tf/concepts/bgp/].
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It deploys MetalLB into Kubernetes and sets up a layer 2 or BGP load-balancer.
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## Install
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In the default, MetalLB is not deployed into your Kubernetes cluster.
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You can override the defaults by copying the contents of this file to somewhere in inventory/mycluster/group_vars
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such as inventory/mycluster/groups_vars/k8s-cluster/addons.yml and updating metallb_enabled option to `true`.
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You can override the defaults by copying the contents of roles/kubernetes-apps/metallb/defaults/main.yml
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to somewhere in inventory/mycluster/group_vars such as inventory/mycluster/groups_vars/k8s-cluster/addons.yml
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and updating metallb_enabled option to `true`.
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In addition you need to update metallb_ip_range option on the addons.yml at least for suiting your network
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environment, because MetalLB allocates external IP addresses from this metallb_ip_range option.
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@ -11,6 +11,12 @@
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when:
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- metallb_ip_range is not defined or not metallb_ip_range
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- name: Kubernetes Apps | Check BGP peers for MetalLB
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fail:
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msg: "metallb_peers is mandatory when metallb_protocol is bgp"
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when:
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- metallb_protocol == 'bgp' and metallb_peers is not defined
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- name: Kubernetes Apps | Check AppArmor status
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command: which apparmor_parser
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register: apparmor_status
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@ -6,6 +6,14 @@ metadata:
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name: config
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data:
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config: |
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{% if metallb_protocol == 'bgp' %}
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peers:
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{% for peer in metallb_peers %}
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- peer-address: {{ peer.peer_address }}
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peer-asn: {{ peer.peer_asn }}
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my-asn: {{ peer.my_asn }}
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{% endfor %}
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{% endif %}
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address-pools:
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- name: loadbalanced
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protocol: {{ metallb_protocol }}
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