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Mesos + Consul = Developer Happiness
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Brian Hicks
July 09, 2015
Programming
3
920
Mesos + Consul = Developer Happiness
Talk given to the Denver Mesos Usergroup on July 9th, 2015
Brian Hicks
July 09, 2015
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Transcript
Mesos+Consul= Developer Happiness
Brian Hicks @brianhicks
None
None
OXY HAPROXY client SERVER
marathon-consul haproxy-Consul
Service discovery and configuration made easy. Distributed, highly available, and
datacenter-aware. consul.io
(and DNS) SERVICES
[{ "Address": "10.0.113.214", "Node": "batman-control-01", "ServiceAddress": "", "ServiceID": "marathon", "ServiceName":
"marathon", "ServicePort": 18080, "ServiceTags": ["marathon"] }] curl localhost:8500/v1/catalog/service/marathon Query a Service over HTTP
216.58.216.206 dig +short www.google.com DNS
10.0.113.214 10.0.220.54 10.0.131.25 1 1 18080 batman-control-02.node.batman.consul. 1 1 18080
batman-control-03.node.batman.consul. 1 1 18080 batman-control-01.node.batman.consul. dig +short marathon.service.consul dig +short marathon.service.consul SRV SRV Records
{ "name": "marathon", "tags": [ "marathon", "dc-denver" ], "port": 18080,
"check": { "script": "curl http://127.0.0.1:18080/ping", "interval": "10s" } } Service Definition
{ "name": "marathon", "tags": [ "marathon", "dc-denver" ], "port": 18080,
"check": { "script": "curl http://127.0.0.1:18080/ping", "interval": "10s" } } Service Definition
{ "name": "marathon", "tags": [ "marathon", "dc-denver" ], "port": 18080,
"check": { "script": "curl http://127.0.0.1:18080/ping", "interval": "10s" } } Service Definition
{ "name": "marathon", "tags": [ "marathon", "dc-denver" ], "port": 18080,
"check": { "script": "curl http://127.0.0.1:18080/ping", "interval": "10s" } } Service Definition
curl http://localhost:8500/v1/agent/service/register \ -d @marathon.json REgistering the Service
& Q A
and Values) (and Values) Keys
true [{ "CreateIndex": 223, "Flags": 0, "Key": "hello", "LockIndex": 0,
"ModifyIndex": 223, "Value": "d29ybGQ=" }] curl -X PUT -d world http://localhost:8500/v1/kv/hello curl -X GET http://localhost:8500/v1/kv/hello Setting and Retrieving
true false curl -X PUT -d denver http://localhost:8500/v1/kv/hello?cas=223 curl -X
PUT -d world http://localhost:8500/v1/kv/hello?cas=1 Check and Set
WAtches HTTP/1.1 200 OK Content-Type: application/json X-Consul-Index: 226 X-Consul-Knownleader: true
X-Consul-Lastcontact: 0 Date: Mon, 29 Jun 2015 16:25:45 GMT Content-Length: 96 curl http://localhost:8500/v1/kv/hello?index=226
consul-template This project provides a convenient way to populate values
from Consul into the filesystem using the consul-template daemon. github.com/hashicorp/consul-template
Haproxy Template global maxconn {{or (key "service/haproxy/maxconn") 256}} debug defaults
mode http timeout connect {{or (key "service/haproxy/timeouts/connect") "5000ms"}} timeout client {{or (key "service/haproxy/timeouts/client") "50000ms"}} timeout server {{or (key "service/haproxy/timeouts/server") "50000ms"}} {{range services}} frontend {{.Name}} bind *:{{key (printf "ports/%s" .Name)}} {{range service .Name}} server {{.Node}} {{.Address}}:{{.Port}}{{end}} {{end}}
Haproxy Template global maxconn {{or (key "service/haproxy/maxconn") 256}} debug defaults
mode http timeout connect {{or (key "service/haproxy/timeouts/connect") "5000ms"}} timeout client {{or (key "service/haproxy/timeouts/client") "50000ms"}} timeout server {{or (key "service/haproxy/timeouts/server") "50000ms"}} {{range services}} frontend {{.Name}} bind *:{{key (printf "ports/%s" .Name)}} {{range service .Name}} server {{.Node}} {{.Address}}:{{.Port}}{{end}} {{end}}
Haproxy Template global maxconn {{or (key "service/haproxy/maxconn") 256}} debug defaults
mode http timeout connect {{or (key "service/haproxy/timeouts/connect") "5000ms"}} timeout client {{or (key "service/haproxy/timeouts/client") "50000ms"}} timeout server {{or (key "service/haproxy/timeouts/server") "50000ms"}} {{range services}} frontend {{.Name}} bind *:{{key (printf "ports/%s" .Name)}} {{range service .Name}} server {{.Node}} {{.Address}}:{{.Port}}{{end}} {{end}}
Haproxy Template global maxconn {{or (key "service/haproxy/maxconn") 256}} debug defaults
mode http timeout connect {{or (key "service/haproxy/timeouts/connect") "5000ms"}} timeout client {{or (key "service/haproxy/timeouts/client") "50000ms"}} timeout server {{or (key "service/haproxy/timeouts/server") "50000ms"}} {{range services}} frontend {{.Name}} bind *:{{key (printf "ports/%s" .Name)}} {{range service .Name}} server {{.Node}} {{.Address}}:{{.Port}}{{end}} {{end}}
global maxconn {{or (key "service/haproxy/maxconn") 256}} debug defaults mode http
timeout connect {{or (key "service/haproxy/timeouts/connect") "5000ms"}} timeout client {{or (key "service/haproxy/timeouts/client") "50000ms"}} timeout server {{or (key "service/haproxy/timeouts/server") "50000ms"}} {{range services}} frontend {{.Name}} bind *:{{key (printf "ports/%s" .Name)}} {{range service .Name}} server {{.Node}} {{.Address}}:{{.Port}}{{end}} {{end}} Haproxy Template
global maxconn {{or (key "service/haproxy/maxconn") 256}} debug defaults mode http
timeout connect {{or (key "service/haproxy/timeouts/connect") "5000ms"}} timeout client {{or (key "service/haproxy/timeouts/client") "50000ms"}} timeout server {{or (key "service/haproxy/timeouts/server") "50000ms"}} {{range services}} frontend {{.Name}} bind *:{{key (printf "ports/%s" .Name)}} {{range service .Name}} server {{.Node}} {{.Address}}:{{.Port}}{{end}} {{end}} Haproxy Template
& Q A
(yes, we're getting a new name) microservices-infrastructure Github.com/CiscoCloud/microservices-infrastructure Microservices infrastructure
is a modern platform for rapidly deploying globally distributed services
Components
@brianhicks // brian@aster.is @ASteris_LLC // info@aster.is
Colophon Eggs. Plenty of them. Alex Barth, Licensed CC BY
2.0 https://www.flickr.com/photos/a-barth/4985481182 Dictionary Greeblie, Licensed CC BY 2.0 https://www.flickr.com/photos/greeblie/3338710223