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Add HA/LB endpoints for kube-apiserver

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* Add HA docs for API server.
* Add auto-evaluated internal endpoints and clarify the loadbalancer_apiserver
vars and usecases.
* Use facts for kube_apiserver to not repeat code and enable LB endpoints use.
* Use /healthz check for the wait-for apiserver.
* Use the single endpoint for kubelet instead of the list of apiservers
* Specify kube_apiserver_count to for HA layout

Signed-off-by: Bogdan Dobrelya <bdobrelia@mirantis.com>
This commit is contained in:
Bogdan Dobrelya
2016-07-13 17:13:47 +02:00
parent af4c41f32e
commit 731d32afda
11 changed files with 130 additions and 43 deletions
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2
roles/network_plugin/calico/templates/network-environment.j2
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@@ -3,7 +3,7 @@
DEFAULT_IPV4={{ip | default(ansible_default_ipv4.address) }}
# The Kubernetes master IP
KUBERNETES_MASTER={{ hostvars[groups['kube-master'][0]]['access_ip'] | default(hostvars[groups['kube-master'][0]]['ip'] | default(hostvars[groups['kube-master'][0]]['ansible_default_ipv4']['address'])) }}
KUBERNETES_MASTER={{ first_kube_master }}
# IP and port of etcd instance used by Calico
ETCD_AUTHORITY={{ etcd_authority }}