Merge branch 'ha_master' of https://github.com/ansibl8s/setup-kubernetes into ha
This commit is contained in:
commit
693230ace9
8 changed files with 52 additions and 14 deletions
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@ -35,6 +35,7 @@ Edit the inventory according to the number of servers
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[etcd]
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[etcd]
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10.115.99.31
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10.115.99.31
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10.115.99.32
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10.115.99.32
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10.115.99.33
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[kube-node]
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[kube-node]
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10.115.99.32
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10.115.99.32
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@ -82,6 +83,7 @@ In node-mesh mode the nodes peers with all the nodes in order to exchange routes
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[etcd]
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[etcd]
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10.99.0.26
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10.99.0.26
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10.99.0.4
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10.99.0.59
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10.99.0.59
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[kube-node]
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[kube-node]
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@ -69,3 +69,18 @@ dns_domain: "{{ cluster_name }}"
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#
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#
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# # Ip address of the kubernetes dns service
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# # Ip address of the kubernetes dns service
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dns_server: "{{ kube_service_addresses|ipaddr('net')|ipaddr(253)|ipaddr('address') }}"
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dns_server: "{{ kube_service_addresses|ipaddr('net')|ipaddr(253)|ipaddr('address') }}"
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# For multi masters architecture:
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# kube-proxy doesn't support multiple apiservers for the time being so you'll need to configure your own loadbalancer
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# This domain name will be inserted into the /etc/hosts file of all servers
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# configurationexample with haproxy :
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# lissten kubernetes-apiserver-https
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# bind 10.99.0.21:8383
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# option ssl-hello-chk
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# mode tcp
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# timeout client 3h
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# timeout server 3h
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# server master1 10.99.0.26:443
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# server master2 10.99.0.27:443
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# balance roundrobin
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apiserver_loadbalancer_domain_name: "lb-apiserver.kubernetes.local"
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10
environments/test/group_vars/new-york.yml
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10
environments/test/group_vars/new-york.yml
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@ -0,0 +1,10 @@
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---
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peers:
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-router_id: "10.99.0.34"
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as: "65xxx"
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- router_id: "10.99.0.35"
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as: "65xxx"
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loadbalancer_apiserver:
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address: "10.99.0.44"
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port: "8383"
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10
environments/test/group_vars/paris.yml
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10
environments/test/group_vars/paris.yml
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@ -0,0 +1,10 @@
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---
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peers:
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-router_id: "10.99.0.2"
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as: "65xxx"
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- router_id: "10.99.0.3"
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as: "65xxx"
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loadbalancer_apiserver:
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address: "10.99.0.21"
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port: "8383"
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@ -17,18 +17,10 @@
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10.99.0.4 local_as=xxxxxxxx
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10.99.0.4 local_as=xxxxxxxx
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10.99.0.5 local_as=xxxxxxxx
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10.99.0.5 local_as=xxxxxxxx
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[usa]
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[new-york]
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10.99.0.36 local_as=xxxxxxxx
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10.99.0.36 local_as=xxxxxxxx
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10.99.0.37 local_as=xxxxxxxx
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10.99.0.37 local_as=xxxxxxxx
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[k8s-cluster:children]
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[k8s-cluster:children]
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kube-node
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kube-node
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kube-master
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kube-master
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[paris:vars]
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peers=[{"router_id": "10.99.0.2", "as": "65xxx"}, {"router_id": "10.99.0.3", "as": "65xxx"}]
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loadbalancer_address="10.99.0.24"
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[usa:vars]
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peers=[{"router_id": "10.99.0.34", "as": "65xxx"}, {"router_id": "10.99.0.35", "as": "65xxx"}]
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loadbalancer_address="10.99.0.44"
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@ -8,6 +8,14 @@
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when: hostvars[item].ansible_default_ipv4.address is defined
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when: hostvars[item].ansible_default_ipv4.address is defined
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with_items: groups['all']
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with_items: groups['all']
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- name: populate kubernetes loadbalancer address into hosts file
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lineinfile:
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dest: /etc/hosts
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regexp: ".*{{ apiserver_loadbalancer_domain_name }}$"
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line: "{{ loadbalancer_apiserver.address }} lb-apiserver.kubernetes.local"
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state: present
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when: loadbalancer_apiserver is defined
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- name: clean hosts file
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- name: clean hosts file
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lineinfile:
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lineinfile:
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dest: /etc/hosts
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dest: /etc/hosts
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@ -15,7 +15,11 @@ spec:
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{% if inventory_hostname in groups['kube-master'] %}
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{% if inventory_hostname in groups['kube-master'] %}
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- --master=http://127.0.0.1:{{kube_apiserver_insecure_port}}
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- --master=http://127.0.0.1:{{kube_apiserver_insecure_port}}
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{% else %}
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{% else %}
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- --master=https://{{ groups['kube-master'][0] }}:{{kube_apiserver_port }}
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{% if loadbalancer_apiserver.address is defined | default('') %}
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- --master=https://{{ apiserver_loadbalancer_domain_name }}:{{ loadbalancer_apiserver.port }}
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{% else %}
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- --master=https://{{ groups['kube-master'][0] }}:{{ kube_apiserver_port }}
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{% endif%}
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- --kubeconfig=/etc/kubernetes/node-kubeconfig.yaml
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- --kubeconfig=/etc/kubernetes/node-kubeconfig.yaml
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{% endif %}
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{% endif %}
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securityContext:
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securityContext:
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@ -10,12 +10,9 @@ subjectAltName = @alt_names
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DNS.1 = kubernetes
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DNS.1 = kubernetes
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DNS.2 = kubernetes.default
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DNS.2 = kubernetes.default
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DNS.3 = kubernetes.default.svc.{{ dns_domain }}
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DNS.3 = kubernetes.default.svc.{{ dns_domain }}
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DNS.4 = {{ apiserver_loadbalancer_domain_name }}
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{% for host in groups['kube-master'] %}
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{% for host in groups['kube-master'] %}
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IP.{{ loop.index }} = {{ hostvars[host]['ip'] | default(hostvars[host]['ansible_default_ipv4']['address']) }}
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IP.{{ loop.index }} = {{ hostvars[host]['ip'] | default(hostvars[host]['ansible_default_ipv4']['address']) }}
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{% endfor %}
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{% endfor %}
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{% set idx = groups['kube-master'] | length | int + 1 %}
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{% set idx = groups['kube-master'] | length | int + 1 %}
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IP.{{ idx | string }} = {{ kube_apiserver_ip }}
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IP.{{ idx | string }} = {{ kube_apiserver_ip }}
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{% if loadbalancer_address is defined | default('') %}
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{% set idx = idx | int + 1 %}
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IP.{{ idx | string }} = {{ loadbalancer_address }}
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{% endif %}
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