我正在使用Consul-Template来呈现包含从Consul收集的数据的属性。文件正在成功呈现，但之后Consul-Template一遍又一遍地失败，直到它崩溃：
2017/08/16 10:43:04.900637 [WARN] (view) kv.list(...): Unexpected response code: 504 (retry attempt 5 after "4s")
这会持续更长的暂停，直到达到极限/它崩溃。
从日志中提取配置：
2017/08/16 10:38:02.403969 [DEBUG] (runner) final config:
{
"Consul": {
"Address": "consul-client.development.discovery",
"Auth": {
"Enabled": false,
"Username": "",
"Password": ""
},
"Retry": {
"Attempts": 12,
"Backoff": 250000000,
"MaxBackoff": 60000000000,
"Enabled": true
},
"SSL": {
"CaCert": "",
"CaPath": "",
"Cert": "",
"Enabled": false,
"Key": "",
"ServerName": "",
"Verify": true
},
"Token": "",
"Transport": {
"DialKeepAlive": 30000000000,
"DialTimeout": 30000000000,
"DisableKeepAlives": false,
"IdleConnTimeout": 90000000000,
"MaxIdleConns": 100,
"MaxIdleConnsPerHost": 3,
"TLSHandshakeTimeout": 10000000000
}
},
"Dedup": {
"Enabled": false,
"MaxStale": 2000000000,
"Prefix": "consul-template/dedup/",
"TTL": 15000000000
},
"Exec": {
"Command": "",
"Enabled": false,
"Env": {
"Blacklist": [],
"Custom": [],
"Pristine": false,
"Whitelist": []
},
"KillSignal": 2,
"KillTimeout": 30000000000,
"ReloadSignal": null,
"Splay": 0,
"Timeout": 0
},
"KillSignal": 2,
"LogLevel": "DEBUG",
"MaxStale": 2000000000,
"PidFile": "",
"ReloadSignal": 1,
"Syslog": {
"Enabled": false,
"Facility": "LOCAL0"
},
"Templates": [
{
"Backup": false,
"Command": "",
"CommandTimeout": 30000000000,
"Contents": "",
"Destination": "/consul-template/output/service.properties",
"Exec": {
"Command": "",
"Enabled": false,
"Env": {
"Blacklist": [],
"Custom": [],
"Pristine": false,
"Whitelist": []
},
"KillSignal": 2,
"KillTimeout": 30000000000,
"ReloadSignal": null,
"Splay": 0,
"Timeout": 30000000000
},
"Perms": 420,
"Source": "/consul-template/data/service.properties.tpl",
"Wait": {
"Enabled": false,
"Min": 0,
"Max": 0
},
"LeftDelim": "",
"RightDelim": ""
},
{
"Backup": false,
"Command": "",
"CommandTimeout": 30000000000,
"Contents": "",
"Destination": "/consul-template/output/application.properties",
"Exec": {
"Command": "",
"Enabled": false,
"Env": {
"Blacklist": [],
"Custom": [],
"Pristine": false,
"Whitelist": []
},
"KillSignal": 2,
"KillTimeout": 30000000000,
"ReloadSignal": null,
"Splay": 0,
"Timeout": 30000000000
},
"Perms": 420,
"Source": "/consul-template/data/application.properties.tpl",
"Wait": {
"Enabled": false,
"Min": 0,
"Max": 0
},
"LeftDelim": "",
"RightDelim": ""
},
{
"Backup": false,
"Command": "",
"CommandTimeout": 30000000000,
"Contents": "",
"Destination": "/consul-template/output/anotherMicroConsul.properties",
"Exec": {
"Command": "",
"Enabled": false,
"Env": {
"Blacklist": [],
"Custom": [],
"Pristine": false,
"Whitelist": []
},
"KillSignal": 2,
"KillTimeout": 30000000000,
"ReloadSignal": null,
"Splay": 0,
"Timeout": 30000000000
},
"Perms": 420,
"Source": "/consul-template/data/anotherMicroConsul.properties.tpl",
"Wait": {
"Enabled": false,
"Min": 0,
"Max": 0
},
"LeftDelim": "",
"RightDelim": ""
},
{
"Backup": false,
"Command": "",
"CommandTimeout": 30000000000,
"Contents": "",
"Destination": "/consul-template/output/master.properties",
"Exec": {
"Command": "",
"Enabled": false,
"Env": {
"Blacklist": [],
"Custom": [],
"Pristine": false,
"Whitelist": []
},
"KillSignal": 2,
"KillTimeout": 30000000000,
"ReloadSignal": null,
"Splay": 0,
"Timeout": 30000000000
},
"Perms": 420,
"Source": "/consul-template/data/master.properties.tpl",
"Wait": {
"Enabled": false,
"Min": 0,
"Max": 0
},
"LeftDelim": "",
"RightDelim": ""
},
{
"Backup": false,
"Command": "",
"CommandTimeout": 30000000000,
"Contents": "",
"Destination": "/consul-template/output/microConsul.properties",
"Exec": {
"Command": "",
"Enabled": false,
"Env": {
"Blacklist": [],
"Custom": [],
"Pristine": false,
"Whitelist": []
},
"KillSignal": 2,
"KillTimeout": 30000000000,
"ReloadSignal": null,
"Splay": 0,
"Timeout": 30000000000
},
"Perms": 420,
"Source": "/consul-template/data/microConsul.properties.tpl",
"Wait": {
"Enabled": false,
"Min": 0,
"Max": 0
},
"LeftDelim": "",
"RightDelim": ""
}
],
"Vault": {
"Address": "",
"Enabled": false,
"Grace": 15000000000,
"RenewToken": true,
"Retry": {
"Attempts": 12,
"Backoff": 250000000,
"MaxBackoff": 60000000000,
"Enabled": true
},
"SSL": {
"CaCert": "",
"CaPath": "",
"Cert": "",
"Enabled": true,
"Key": "",
"ServerName": "",
"Verify": true
},
"Transport": {
"DialKeepAlive": 30000000000,
"DialTimeout": 30000000000,
"DisableKeepAlives": false,
"IdleConnTimeout": 90000000000,
"MaxIdleConns": 100,
"MaxIdleConnsPerHost": 3,
"TLSHandshakeTimeout": 10000000000
},
"UnwrapToken": false
},
"Wait": {
"Enabled": false,
"Min": 0,
"Max": 0
}
}
通过代码筛选此错误消息似乎来自session.go中的Renew。
我是否应该在/session/list下的Consul会面？我有多个Consul-Template容器在运行（每个主机上有一个） - 我应该看几个会话吗？现在我什么也看不见......
curl localhost:8500/v1/session/list
[]
答案 0 :(得分：2)
原因：您的领事模板和领事之间有代理或负载均衡器。
解决方法：将空闲连接的负载均衡器或代理超时增加到60秒以上（例如：65秒或120秒），因为在此之后，keepalive将启动并保持连接处于活动状态：）
<强>详情