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使用

  1. 修改docker-compose.yml中consul服务hostname为节点名,如consulserver1,consulserver2(不重复即可)
  2. 修改consul.json中bind_addr为服务器内网ip
  3. 修改consul.json中retry_join为其他节点ip
  4. 启动:docker-compose up -d

生成agent token

上面对于第一个节点启动的时候会遇到

2017/07/08 23:38:24 [WARN] agent: Node info update blocked by ACLs
2017/07/08 23:38:44 [WARN] agent: Coordinate update blocked by ACLs

原因在于还未设置agent token,生成步骤如下:

$ curl \
    --request PUT \
    --header "X-Consul-Token: your_master_token" \
    --data \
'{
  "Name": "Agent Token",
  "Type": "client",
  "Rules": "node \"\" { policy = \"write\" } service \"\" { policy = \"read\" }"
}' http://127.0.0.1:8500/v1/acl/create

{"ID":"fe3b8d40-0ee0-8783-6cc2-ab1aa9bb16c1"}

然后加入配置文件,acl_agent_token填入上面生成的token

{
  "acl_datacenter": "dc1",
  "acl_master_token": "your_master_token",
  "acl_default_policy": "deny",
  "acl_down_policy": "extend-cache",
  "acl_agent_token": "fe3b8d40-0ee0-8783-6cc2-ab1aa9bb16c1"
}

重启agent
对于其他节点,可以不停机加入agent token

$ curl \
    --request PUT \
    --header "X-Consul-Token: b1gs33cr3t" \
    --data \
'{
  "Token": "fe3b8d40-0ee0-8783-6cc2-ab1aa9bb16c1"
}' http://127.0.0.1:8500/v1/agent/token/acl_agent_token

详细说明

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