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Ignore assertion comparison for kube_network_node_prefix when using calico (#5632)

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* Fix incorrect assertion comparison for kube_network_node_prefix

* Ignore assertion comparison for kube_network_node_prefix when using calico

* Adding more var docs description for kube_network_node_prefix

* Fixing trailing whitespaces
This commit is contained in:
Javeria Khan 2020-02-20 00:39:03 -08:00 committed by GitHub
parent a5445d9c5c
commit 6368c626c5
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2 changed files with 5 additions and 1 deletions
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5
docs/vars.md
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@ -57,7 +57,10 @@ following default cluster parameters:
* *kube_pods_subnet* - Subnet for Pod IPs (default is 10.233.64.0/18). Must not * *kube_pods_subnet* - Subnet for Pod IPs (default is 10.233.64.0/18). Must not
overlap with kube_service_addresses. overlap with kube_service_addresses.
* *kube_network_node_prefix* - Subnet allocated per-node for pod IPs. Remaining * *kube_network_node_prefix* - Subnet allocated per-node for pod IPs. Remaining
bits in kube_pods_subnet dictates how many kube-nodes can be in cluster. bits in kube_pods_subnet dictates how many kube-nodes can be in cluster. Setting this > 25 will
raise an assertion in playbooks if the `kubelet_max_pods` var also isn't adjusted accordingly
(assertion not applicable to calico which doesn't use this as a hard limit, see
[Calico IP block sizes](https://docs.projectcalico.org/reference/resources/ippool#block-sizes).
* *skydns_server* - Cluster IP for DNS (default is 10.233.0.3) * *skydns_server* - Cluster IP for DNS (default is 10.233.0.3)
* *skydns_server_secondary* - Secondary Cluster IP for CoreDNS used with coredns_dual deployment (default is 10.233.0.4) * *skydns_server_secondary* - Secondary Cluster IP for CoreDNS used with coredns_dual deployment (default is 10.233.0.4)
* *enable_coredns_k8s_external* - If enabled, it configures the [k8s_external plugin](https://coredns.io/plugins/k8s_external/) * *enable_coredns_k8s_external* - If enabled, it configures the [k8s_external plugin](https://coredns.io/plugins/k8s_external/)

1
roles/kubernetes/preinstall/tasks/0020-verify-settings.yml
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@ -85,6 +85,7 @@
when: when:
- inventory_hostname in groups['k8s-cluster'] - inventory_hostname in groups['k8s-cluster']
- kube_network_node_prefix is defined - kube_network_node_prefix is defined
- kube_network_plugin != 'calico'
- name: Stop if ip var does not match local ips - name: Stop if ip var does not match local ips
assert: assert: