tick

command
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Published: May 26, 2017 License: Apache-2.0 Imports: 14 Imported by: 0

README

tick ❤

Simple app that registers itself with an a8registry on a regular interval.

Prerequisites

The following instructions for this example assume the following:

  • Go 1.6+
  • cf-networking-release
    • cloned under ~/workspace/cf-networking-release
  • Ensure GOPATH is set to cf-networking-release:
    • export GOPATH=~/workspace/cf-networking-release
  • jq
  • Deploying to bosh-lite
    • Cloud Foundry org and space created and targetted

Setup

cd ~/workspace/cf-networking-release/src/github.com/amalgam8/amalgam8
GOOS=linux GOARCH=amd64 go build -o a8registry cmd/registry/main.go
cf push registry -c './a8registry' -b binary_buildpack -d bosh-lite.com

Example

Push 3 instances of tick app

cd ~/workspace/cf-networking-release/src/example-apps/tick
cf push tick -i 3 -m 32M --no-start
cf set-env tick REGISTRY_BASE_URL "http://registry.bosh-lite.com"
cf start tick

Verify the # of app instances registered in service registry

$ curl -s registry.bosh-lite.com/api/v1/instances | jq '.instances | length'
  3

See details of app instances registered in service registry

$ curl -s registry.bosh-lite.com/api/v1/instances | jq .
{
  "instances": [
    {
      "id": "29bfde7bcd321ee9",
      "service_name": "tick",
      "endpoint": {
        "type": "tcp",
        "value": "10.255.6.9:8080"
      },
      "ttl": 10,
      "status": "UP",
      "last_heartbeat": "2016-09-14T13:30:48.726709455Z"
    },
    {
      "id": "b36fdd8c20018133",
      "service_name": "tick",
      "endpoint": {
        "type": "tcp",
        "value": "10.255.6.10:8080"
      },
      "ttl": 10,
      "status": "UP",
      "last_heartbeat": "2016-09-14T13:30:48.107560504Z"
    },
    {
      "id": "bd1a694d32055f34",
      "service_name": "tick",
      "endpoint": {
        "type": "tcp",
        "value": "10.255.27.13:8080"
      },
      "ttl": 10,
      "status": "UP",
      "last_heartbeat": "2016-09-14T13:30:48.268383996Z"
    }
  ]
}

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