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Clustering etcd for ha masters

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This commit is contained in:
Smaine Kahlouch
2015-12-06 20:39:03 +01:00
parent b92fa01e05
commit 3014dfef24
1 changed files with 12 additions and 13 deletions
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25
roles/etcd/templates/etcd2.j2
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@@ -1,17 +1,16 @@
# etcd2.0
{% set etcd = {} %}
{% for srv in groups['kube-master'] %}
{% if inventory_hostname == srv %}
{% set _dummy = etcd.update({'name':"master"+loop.index|string}) %}
{% endif %}
{% endfor %}
[Service]
{% if inventory_hostname in groups['kube-master'] %}
Environment="ETCD_ADVERTISE_CLIENT_URLS=http://{{ ansible_default_ipv4.address }}:2379,http://{{ ansible_default_ipv4.address }}:4001"
Environment="ETCD_INITIAL_ADVERTISE_PEER_URLS=http://{{ ansible_default_ipv4.address }}:2380"
Environment="ETCD_INITIAL_CLUSTER=master=http://{{ ansible_default_ipv4.address }}:2380"
Environment="ETCD_ADVERTISE_CLIENT_URLS=http://{{ hostvars[inventory_hostname]['ip'] | default( ansible_default_ipv4.address) }}:2379"
Environment="ETCD_INITIAL_ADVERTISE_PEER_URLS=http://{{ hostvars[inventory_hostname]['ip'] | default( ansible_default_ipv4.address) }}:2380"
Environment="ETCD_INITIAL_CLUSTER={% for srv in groups['kube-master'] %}master{{ loop.index|string }}=http://{{ srv }}:2380{% if not loop.last %},{% endif %}{% endfor %}"
Environment="ETCD_INITIAL_CLUSTER_STATE=new"
Environment="ETCD_INITIAL_CLUSTER_TOKEN=k8s_etcd"
Environment="ETCD_LISTEN_CLIENT_URLS=http://0.0.0.0:2379,http://0.0.0.0:4001"
Environment="ETCD_LISTEN_PEER_URLS=http://:2380,http://{{ ansible_default_ipv4.address }}:7001"
Environment="ETCD_NAME=master"
{% else %}
Environment="ETCD_ADVERTISE_CLIENT_URLS=http://0.0.0.0:2379,http://0.0.0.0:4001"
Environment="ETCD_INITIAL_CLUSTER=master=http://{{ groups['kube-master'][0] }}:2380"
Environment="ETCD_LISTEN_CLIENT_URLS=http://0.0.0.0:2379,http://0.0.0.0:4001"
Environment="ETCD_PROXY=on"
{% endif %}
Environment="ETCD_LISTEN_CLIENT_URLS=http://{{ hostvars[inventory_hostname]['ip'] | default( ansible_default_ipv4.address) }}:2379,http://127.0.0.1:2379"
Environment="ETCD_LISTEN_PEER_URLS=http://{{ hostvars[inventory_hostname]['ip'] | default( ansible_default_ipv4.address) }}:2380"
Environment="ETCD_NAME={{ etcd.name }}"