提供了编程的基础技术教程

zl程序教程

您现在的位置是：首页 >  其他

当前栏目

Consul 基础9

基础
2023-03-20 15:36:08 时间

我们还可以使用 DNS API 结合 tag 来过滤服务

[root@h104 ~]# dig @127.0.0.1 -p 8600  rails.web.service.consul 

; <<>> DiG 9.9.4-RedHat-9.9.4-29.el7_2.1 <<>> @127.0.0.1 -p 8600 rails.web.service.consul
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 15147
;; flags: qr aa rd; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0
;; WARNING: recursion requested but not available

;; QUESTION SECTION:
;rails.web.service.consul.	IN	A

;; ANSWER SECTION:
rails.web.service.consul. 0	IN	A	192.168.100.104

;; Query time: 1 msec
;; SERVER: 127.0.0.1#8600(127.0.0.1)
;; WHEN: Fri Mar 18 17:43:27 CST 2016
;; MSG SIZE  rcvd: 82

[root@h104 ~]#

使用HTTP API查看

[root@h104 ~]# curl http://localhost:8500/v1/catalog/service/web?pretty
[
    {
        "Node": "h104",
        "Address": "192.168.100.104",
        "ServiceID": "web",
        "ServiceName": "web",
        "ServiceTags": [
            "rails"
        ],
        "ServiceAddress": "",
        "ServicePort": 80,
        "ServiceEnableTagOverride": false,
        "CreateIndex": 5,
        "ModifyIndex": 5
    }
][root@h104 ~]# 
[root@h104 ~]#

查看服务的健康状态

[root@h104 ~]# curl http://localhost:8500/v1/health/service/web?passing
[{"Node":{"Node":"h104","Address":"192.168.100.104","TaggedAddresses":{"wan":"192.168.100.104"},"CreateIndex":3,"ModifyIndex":5},"Service":{"ID":"web","Service":"web","Tags":["rails"],"Address":"","Port":80,"EnableTagOverride":false,"CreateIndex":5,"ModifyIndex":5},"Checks":[{"Node":"h104","CheckID":"serfHealth","Name":"Serf Health Status","Status":"passing","Notes":"","Output":"Agent alive and reachable","ServiceID":"","ServiceName":"","CreateIndex":3,"ModifyIndex":3}]}][root@h104 ~]# 
[root@h104 ~]# 
[root@h104 ~]# curl http://localhost:8500/v1/health/service/web?pretty
[
    {
        "Node": {
            "Node": "h104",
            "Address": "192.168.100.104",
            "TaggedAddresses": {
                "wan": "192.168.100.104"
            },
            "CreateIndex": 3,
            "ModifyIndex": 5
        },
        "Service": {
            "ID": "web",
            "Service": "web",
            "Tags": [
                "rails"
            ],
            "Address": "",
            "Port": 80,
            "EnableTagOverride": false,
            "CreateIndex": 5,
            "ModifyIndex": 5
        },
        "Checks": [
            {
                "Node": "h104",
                "CheckID": "serfHealth",
                "Name": "Serf Health Status",
                "Status": "passing",
                "Notes": "",
                "Output": "Agent alive and reachable",
                "ServiceID": "",
                "ServiceName": "",
                "CreateIndex": 3,
                "ModifyIndex": 3
            }
        ]
    }
][root@h104 ~]# 
[root@h104 ~]#

相关文章