An OTP application, a client of spring-boot-eureka for erlang.
$ rebar3 compile
Following are the REST operations available for non-java applications to use Eureka.
appID is the name of the application and instanceID is the unique id associated with the instance. In AWS cloud, instanceID is the instance id of the instance and in other data centers, it is the hostname of the instance.
For JSON/XML, the content types supplied must be application/xml or application/json.
| *Operation* | *HTTP action* | *Description* | *erlang function* |
| Register new application instance | POST /eureka/v2/apps/**appID** | Input: JSON/XML payload HTTP Code: 204 on success | erl_eureka_srv:register_host("UP") |
| De-register application instance | DELETE /eureka/v2/apps/**appID**/**instanceID** | HTTP Code: 200 on success | erl_eureka_srv:de_register() |
| Send application instance heartbeat | PUT /eureka/v2/apps/**appID**/**instanceID** | HTTP Code: * 200 on success * 404 if **instanceID** doesn't exist | erl_eureka_srv:heartbeat() |
| Query for all instances | GET /eureka/v2/apps | HTTP Code: 200 on success Output: JSON/XML | |
| Query for all **appID** instances | GET /eureka/v2/apps/**appID** | HTTP Code: 200 on success Output: JSON/XML | erl_eureka_srv:app() |
| Query for a specific **appID**/**instanceID** | GET /eureka/v2/apps/**appID**/**instanceID** | HTTP Code: 200 on success Output: JSON/XML | erl_eureka_srv:app_instance() |
| Query for a specific **instanceID** | GET /eureka/v2/instances/**instanceID** | HTTP Code: 200 on success Output: JSON/XML | erl_eureka_srv:instance() |
| Take instance out of service | PUT /eureka/v2/apps/**appID**/**instanceID**/status?value=OUT_OF_SERVICE | HTTP Code: * 200 on success * 500 on failure | erl_eureka_srv:update_status_put("OUT_OF_SERVICE") |
| Put instance back into service (remove override) | DELETE /eureka/v2/apps/**appID**/**instanceID**/status?value=UP (The value=UP is optional, it is used as a suggestion for the fallback status due to removal of the override) | HTTP Code: * 200 on success * 500 on failure | erl_eureka_srv:update_status_delete("UP") |
| Update metadata | PUT /eureka/v2/apps/**appID**/**instanceID**/metadata?key=value | HTTP Code: * 200 on success * 500 on failure | |
| Query for all instances under a particular **vip address** | GET /eureka/v2/vips/**vipAddress** | * HTTP Code: 200 on success Output: JSON/XML * 404 if the **vipAddress** does not exist. | erl_eureka_srv:vip() |
| Query for all instances under a particular **secure vip address** | GET /eureka/v2/svips/**svipAddress** | * HTTP Code: 200 on success Output: JSON/XML * 404 if the **svipAddress** does not exist. | erl_eureka_srv:svip() |