if File.exist?('build_info.txt')
  build_info=File.readlines('build_info.txt')

  scheduler = Rufus::Scheduler.new

  scheduler.every '3s' do
    check = JSON.parse(healthcheck(post_service_host, post_service_port, comment_service_host, comment_service_port))
    ui_health_gauge.set({ version: check['version'], commit_hash: build_info[0].strip, branch: build_info[1].strip }, check['status'])
    ui_health_post_gauge.set({ version: check['version'], commit_hash: build_info[0].strip, branch: build_info[1].strip }, check['dependent_services']['post'])
    ui_health_comment_gauge.set({ version: check['version'], commit_hash: build_info[0].strip, branch: build_info[1].strip }, check['dependent_services']['comment'])
  end
end

echo `git show --format="%h" HEAD | head -1` > build_info.txt
echo `git rev-parse --abbrev-ref HEAD` >> build_info.txt

{
  "_index": "fluentd-20180519",
  "_type": "access_log",
  "_id": "AWN46ikOv3Yq8u2uH3xC",
  "_score": 1,
  "_source": {
    "log": "{\"event\": \"internal_error\", \"level\": \"error\", \"method\": \"GET\", \"path\": \"/posts?\", \"remote_addr\": \"172.18.0.3\", \"request_id\": \"d6f9abe5-afbd-4459-9964-4376481b4170\", \"service\": \"post\", \"timestamp\": \"2018-05-19 15:00:01\", \"traceback\": \"Traceback (most recent call last):\\n  File \\\"/usr/local/lib/python3.6/site-packages/urllib3/connection.py\\\", line 141, in _new_conn\\n    (self.host, self.port), self.timeout, **extra_kw)\\n  File \\\"/usr/local/lib/python3.6/site-packages/urllib3/util/connection.py\\\", line 60, in create_connection\\n    for res in socket.getaddrinfo(host, port, family, socket.SOCK_STREAM):\\n  File \\\"/usr/local/lib/python3.6/socket.py\\\", line 743, in getaddrinfo\\n    for res in _socket.getaddrinfo(host, port, family, type, proto, flags):\\nsocket.gaierror: [Errno -2] Name does not resolve\\n\\nDuring handling of the above exception, another exception occurred:\\n\\nTraceback (most recent call last):\\n  File \\\"/usr/local/lib/python3.6/site-packages/urllib3/connectionpool.py\\\", line 601, in urlopen\\n    chunked=chunked)\\n  File \\\"/usr/local/lib/python3.6/site-packages/urllib3/connectionpool.py\\\", line 357, in _make_request\\n    conn.request(method, url, **httplib_request_kw)\\n  File \\\"/usr/local/lib/python3.6/http/client.py\\\", line 1239, in request\\n    self._send_request(method, url, body, headers, encode_chunked)\\n  File \\\"/usr/local/lib/python3.6/http/client.py\\\", line 1285, in _send_request\\n    self.endheaders(body, encode_chunked=encode_chunked)\\n  File \\\"/usr/local/lib/python3.6/http/client.py\\\", line 1234, in endheaders\\n    self._send_output(message_body, encode_chunked=encode_chunked)\\n  File \\\"/usr/local/lib/python3.6/http/client.py\\\", line 1026, in _send_output\\n    self.send(msg)\\n  File \\\"/usr/local/lib/python3.6/http/client.py\\\", line 964, in send\\n    self.connect()\\n  File \\\"/usr/local/lib/python3.6/site-packages/urllib3/connection.py\\\", line 166, in connect\\n    conn = self._new_conn()\\n  File \\\"/usr/local/lib/python3.6/site-packages/urllib3/connection.py\\\", line 150, in _new_conn\\n    self, \\\"Failed to establish a new connection: %s\\\" % e)\\nurllib3.exceptions.NewConnectionError: <urllib3.connection.HTTPConnection object at 0x7f4fc4860358>: Failed to establish a new connection: [Errno -2] Name does not resolve\\n\\nDuring handling of the above exception, another exception occurred:\\n\\nTraceback (most recent call last):\\n  File \\\"/usr/local/lib/python3.6/site-packages/requests/adapters.py\\\", line 440, in send\\n    timeout=timeout\\n  File \\\"/usr/local/lib/python3.6/site-packages/urllib3/connectionpool.py\\\", line 639, in urlopen\\n    _stacktrace=sys.exc_info()[2])\\n  File \\\"/usr/local/lib/python3.6/site-packages/urllib3/util/retry.py\\\", line 388, in increment\\n    raise MaxRetryError(_pool, url, error or ResponseError(cause))\\nurllib3.exceptions.MaxRetryError: HTTPConnectionPool(host='zipkin', port=9411): Max retries exceeded with url: /api/v1/spans (Caused by NewConnectionError('<urllib3.connection.HTTPConnection object at 0x7f4fc4860358>: Failed to establish a new connection: [Errno -2] Name does not resolve',))\\n\\nDuring handling of the above exception, another exception occurred:\\n\\nTraceback (most recent call last):\\n  File \\\"/usr/local/lib/python3.6/site-packages/flask/app.py\\\", line 1612, in full_dispatch_request\\n    rv = self.dispatch_request()\\n  File \\\"/usr/local/lib/python3.6/site-packages/flask/app.py\\\", line 1598, in dispatch_request\\n    return self.view_functions[rule.endpoint](**req.view_args)\\n  File \\\"post_app.py\\\", line 96, in posts\\n    posts = find_posts()\\n  File \\\"/usr/local/lib/python3.6/site-packages/py_zipkin/zipkin.py\\\", line 296, in __exit__\\n    self.stop(_exc_type, _exc_value, _exc_traceback)\\n  File \\\"/usr/local/lib/python3.6/site-packages/py_zipkin/zipkin.py\\\", line 314, in stop\\n    self.logging_context.stop()\\n  File \\\"/usr/local/lib/python3.6/site-packages/py_zipkin/logging_helper.py\\\", line 76, in stop\\n    self.log_spans()\\n  File \\\"/usr/local/lib/python3.6/site-packages/py_zipkin/logging_helper.py\\\", line 185, in log_spans\\n    transport_handler=self.transport_handler,\\n  File \\\"/usr/local/lib/python3.6/site-packages/py_zipkin/logging_helper.py\\\", line 325, in log_span\\n    transport_handler(message)\\n  File \\\"post_app.py\\\", line 55, in http_transport\\n    headers={'Content-Type': 'application/x-thrift'})\\n  File \\\"/usr/local/lib/python3.6/site-packages/requests/api.py\\\", line 112, in post\\n    return request('post', url, data=data, json=json, **kwargs)\\n  File \\\"/usr/local/lib/python3.6/site-packages/requests/api.py\\\", line 58, in request\\n    return session.request(method=method, url=url, **kwargs)\\n  File \\\"/usr/local/lib/python3.6/site-packages/requests/sessions.py\\\", line 508, in request\\n    resp = self.send(prep, **send_kwargs)\\n  File \\\"/usr/local/lib/python3.6/site-packages/requests/sessions.py\\\", line 618, in send\\n    r = adapter.send(request, **kwargs)\\n  File \\\"/usr/local/lib/python3.6/site-packages/requests/adapters.py\\\", line 508, in send\\n    raise ConnectionError(e, request=request)\\nrequests.exceptions.ConnectionError: HTTPConnectionPool(host='zipkin', port=9411): Max retries exceeded with url: /api/v1/spans (Caused by NewConnectionError('<urllib3.connection.HTTPConnection object at 0x7f4fc4860358>: Failed to establish a new connection: [Errno -2] Name does not resolve',))\\n\"}",
    "container_id": "2ece463ebd7f7345becf89e01a70efb554248b499acfb440756d60bc8717ee33",
    "container_name": "/docker_post_1",
    "source": "stdout",
    "@timestamp": "2018-05-19T15:00:01+00:00",
    "@log_name": "service.post"
  },
  "fields": {
    "@timestamp": [
      1526742001000
    ]
  }
}

Attaching to docker_comment_1
comment_1  | Puma starting in single mode...
comment_1  | * Version 3.10.0 (ruby 2.2.10-p489), codename: Russell's Teapot
comment_1  | * Min threads: 0, max threads: 16
comment_1  | * Environment: development
comment_1  | ! Unable to load application: TZInfo::DataSourceNotFound: No source of timezone data could be found.
comment_1  | Please refer to http://tzinfo.github.io/datasourcenotfound for help resolving this error.
comment_1  | /usr/local/bundle/gems/tzinfo-1.2.3/lib/tzinfo/data_source.rb:182:in `rescue in create_default_data_source': No source of timezone data could be found. (TZInfo::DataSourceNotFound)
comment_1  | Please refer to http://tzinfo.github.io/datasourcenotfound for help resolving this error.
comment_1  |    from /usr/local/bundle/gems/tzinfo-1.2.3/lib/tzinfo/data_source.rb:179:in `create_default_data_source'
comment_1  |    from /usr/local/bundle/gems/tzinfo-1.2.3/lib/tzinfo/data_source.rb:40:in `block in get'
comment_1  |    from /usr/local/bundle/gems/tzinfo-1.2.3/lib/tzinfo/data_source.rb:39:in `synchronize'
comment_1  |    from /usr/local/bundle/gems/tzinfo-1.2.3/lib/tzinfo/data_source.rb:39:in `get'
comment_1  |    from /usr/local/bundle/gems/tzinfo-1.2.3/lib/tzinfo/timezone.rb:661:in `data_source'
comment_1  |    from /usr/local/bundle/gems/tzinfo-1.2.3/lib/tzinfo/timezone.rb:130:in `all_identifiers'
comment_1  |    from /usr/local/bundle/gems/tzinfo-1.2.3/lib/tzinfo/timezone.rb:124:in `all'
comment_1  |    from /usr/local/bundle/gems/et-orbi-1.0.8/lib/et-orbi.rb:687:in `determine_local_tzones'
comment_1  |    from /usr/local/bundle/gems/et-orbi-1.0.8/lib/et-orbi.rb:626:in `determine_local_tzone'
comment_1  |    from /usr/local/bundle/gems/et-orbi-1.0.8/lib/et-orbi.rb:171:in `local_tzone'
comment_1  |    from /usr/local/bundle/gems/et-orbi-1.0.8/lib/et-orbi.rb:147:in `get_tzone'
comment_1  |    from /usr/local/bundle/gems/et-orbi-1.0.8/lib/et-orbi.rb:275:in `get_tzone'
comment_1  |    from /usr/local/bundle/gems/et-orbi-1.0.8/lib/et-orbi.rb:303:in `initialize'
comment_1  |    from /usr/local/bundle/gems/et-orbi-1.0.8/lib/et-orbi.rb:19:in `new'
comment_1  |    from /usr/local/bundle/gems/et-orbi-1.0.8/lib/et-orbi.rb:19:in `now'
comment_1  |    from /usr/local/bundle/gems/et-orbi-1.0.8/lib/et-orbi.rb:265:in `now'
comment_1  |    from /usr/local/bundle/gems/rufus-scheduler-3.4.2/lib/rufus/scheduler.rb:543:in `start'
comment_1  |    from /usr/local/bundle/gems/rufus-scheduler-3.4.2/lib/rufus/scheduler.rb:89:in `initialize'
comment_1  |    from /app/comment_app.rb:49:in `new'
comment_1  |    from /app/comment_app.rb:49:in `<top (required)>'
comment_1  |    from config.ru:1:in `require'
comment_1  |    from config.ru:1:in `block in <main>'
comment_1  |    from /usr/local/bundle/gems/rack-2.0.5/lib/rack/builder.rb:55:in `instance_eval'
comment_1  |    from /usr/local/bundle/gems/rack-2.0.5/lib/rack/builder.rb:55:in `initialize'
comment_1  |    from config.ru:in `new'
comment_1  |    from config.ru:in `<main>'
comment_1  |    from /usr/local/bundle/gems/rack-2.0.5/lib/rack/builder.rb:49:in `eval'
comment_1  |    from /usr/local/bundle/gems/rack-2.0.5/lib/rack/builder.rb:49:in `new_from_string'
comment_1  |    from /usr/local/bundle/gems/rack-2.0.5/lib/rack/builder.rb:40:in `parse_file'
comment_1  |    from /usr/local/bundle/gems/puma-3.10.0/lib/puma/configuration.rb:314:in `load_rackup'
comment_1  |    from /usr/local/bundle/gems/puma-3.10.0/lib/puma/configuration.rb:243:in `app'
comment_1  |    from /usr/local/bundle/gems/puma-3.10.0/lib/puma/runner.rb:138:in `load_and_bind'
comment_1  |    from /usr/local/bundle/gems/puma-3.10.0/lib/puma/single.rb:87:in `run'
comment_1  |    from /usr/local/bundle/gems/puma-3.10.0/lib/puma/launcher.rb:183:in `run'
comment_1  |    from /usr/local/bundle/gems/puma-3.10.0/lib/puma/cli.rb:77:in `run'
comment_1  |    from /usr/local/bundle/gems/puma-3.10.0/bin/puma:10:in `<top (required)>'
comment_1  |    from /usr/local/bundle/bin/puma:29:in `load'
comment_1  |    from /usr/local/bundle/bin/puma:29:in `<main>'