Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

Analyzer connection : 504 Gateway Timeout #7

Open
SpeedBlack opened this issue Oct 22, 2018 · 1 comment
Open

Analyzer connection : 504 Gateway Timeout #7

SpeedBlack opened this issue Oct 22, 2018 · 1 comment

Comments

@SpeedBlack
Copy link

Hi,

I'm trying to discover the skydive-flow-matrix but I have a problem connecting to the analyzer :

skydive-flow-matrix --analyzer X.X.X.X:8082
Traceback (most recent call last):
  File "/usr/local/bin/skydive-flow-matrix", line 11, in <module>
    sys.exit(main())
  File "/usr/local/lib/python2.7/dist-packages/matrix/matrix.py", line 451, in main
    csv_output(matrix, args.list_no_peers)
  File "/usr/local/lib/python2.7/dist-packages/matrix/matrix.py", line 266, in csv_output
    result = matrix.get_matrix()
  File "/usr/local/lib/python2.7/dist-packages/matrix/matrix.py", line 107, in get_matrix
    "G.%sV().Has('Type', 'host').HasKey('Sockets')" % self.get_context())
  File "/usr/local/lib/python2.7/dist-packages/skydive/rest/client.py", line 111, in lookup_nodes
    return self.lookup(gremlin, Node)
  File "/usr/local/lib/python2.7/dist-packages/skydive/rest/client.py", line 104, in lookup
    objs = self.request("/api/topology", method="POST", data=data)
  File "/usr/local/lib/python2.7/dist-packages/skydive/rest/client.py", line 85, in request
    raise BadRequest(e.read())
skydive.rest.client.BadRequest: <HTML><TITLE>504 Gateway Timeout</TITLE>
<H1>504 Gateway Timeout</H1>
Gateway timeout expired while waiting for server response</HTML>

I'm trying to use this tool in Openshift.
Here is my current configuration :

# docker --version
Docker version 1.12.6, build 3e8e77d/1.12.6

# cat /etc/redhat-release
Red Hat Enterprise Linux Server release 7.5 (Maipo)

# openshift version
openshift v3.7.54
kubernetes v1.7.6+a08f5eeb62
etcd 3.2.8

I tried to install the tool in the same image (skydive/skydive:0.20.0) to use it in the same pod or in another pod but the result is the same.

Here is the current configuration :

analyzers:
  - 127.0.0.1:8082
  
agent:
  topology:
    probes:
      - ovsdb
      - docker
      - socketinfo

analyzer:
  flow:
    backend: myelasticsearch
  listen: 0.0.0.0:8082
  topology:
    backend: myelasticsearch
    #fabric:
    #- TOR1[Name=tor1] -> TOR1_PORT1[Name=port1, MTU=1500]
    #- TOR1_PORT1 -> *[Type=host, Name=xxxx]/ens192
    #- TOR1[Name=tor1] -> TOR1_PORT2[Name=port2, MTU=1500]
    #- TOR1_PORT2 -> *[Type=host, Name=xxxx]/ens192
  auth:
    # auth section for API request
    api:
      # Specify the name of the auth backend definition, see auth section.
      backend: noauth
storage:
  #Elasticsearch backend information.
  myelasticsearch:
    driver: elasticsearch
    host: elasticsearch-skydive:9200

etcd:
  embedded: true
  listen: 0.0.0.0:12379

ui:
  # Specify the extra assets folder. Javascript and CSS files present in this
  # folder will be added to the WebUI.
  # extra_assets: /usr/share/skydive/assets

  # select between light, dark themes
  theme: light

  # Settings specific to the topology view
  topology:
    # Pre-defined Gremlin expression used in the WebUI for Filtering and Highlighting.
    # Note: Key should be in lower case
    favorites:
       #namespaces: "g.V().Has('Type', 'netns').OutE().BothV()"
       #layer2: "g.E().Has('RelationType', 'layer2')"

    # Highlight Gremlin expression used by default and applied on WebUI load.
    #default_highlight: "layer2"
    # Filter Gremlin expression used by default and applied on WebUI load.
    #default_filter: "layer2"

  # update rate of links in seconds
  bandwidth_update_rate: 5

  # 'absolute' - thresholds in Kbit
  # 'relative' - thresholds in % relative to link speed reported by netlink
  bandwidth_threshold: absolute
  bandwidth_absolute_active: 1
  bandwidth_absolute_warning: 10
  bandwidth_absolute_alert: 100
  bandwidth_relative_active: 0.1
  bandwidth_relative_warning: 0.4
  bandwidth_relative_alert: 0.8

  # Enable/disable ssh to hosts
  # ssh_enabled: false

  bpf:
    # Pre-defined BPF filters
    favorites:
      # filter1: ip broadcast
      # filter2: ip multicast

logging:
  level: DEBUG

Will I have an option to activate on the Analyzer ?
Do you have any idea ?

Thanks !
@SpeedBlack
Copy link
Author

SpeedBlack commented Oct 24, 2018 •
edited
Loading

I continued my tests, with a second container in the same pod (localhost), I have the following error :

# skydive-flow-matrix --analyzer 127.0.0.1:8082
Traceback (most recent call last):
  File "/usr/local/bin/skydive-flow-matrix", line 11, in <module>
    sys.exit(main())
  File "/usr/local/lib/python2.7/dist-packages/matrix/matrix.py", line 451, in main
    csv_output(matrix, args.list_no_peers)
  File "/usr/local/lib/python2.7/dist-packages/matrix/matrix.py", line 266, in csv_output
    result = matrix.get_matrix()
  File "/usr/local/lib/python2.7/dist-packages/matrix/matrix.py", line 107, in get_matrix
    "G.%sV().Has('Type', 'host').HasKey('Sockets')" % self.get_context())
  File "/usr/local/lib/python2.7/dist-packages/skydive/rest/client.py", line 111, in lookup_nodes
    return self.lookup(gremlin, Node)
  File "/usr/local/lib/python2.7/dist-packages/skydive/rest/client.py", line 104, in lookup
    objs = self.request("/api/topology", method="POST", data=data)
  File "/usr/local/lib/python2.7/dist-packages/skydive/rest/client.py", line 85, in request
    raise BadRequest(e.read())
skydive.rest.client.BadRequest: <HTML><TITLE>503 Service Unavailable</TITLE>
<H1>503 Service Unavailable</H1>
Failed to connect to server <B>127.0.0.1</B></HTML>

On the other hand, if I try, for example, the command below, the analyzer answers correctly:

# skydive client status --analyzer 127.0.0.1:8082
{
  "Agents": {
    "XXXX": {
      "ServiceType": "agent",
      "ClientProtocol": "protobuf",
      "Addr": "X.X.X.X",
      "Port": 56328,
      "IsConnected": true,
      "ConnectTime": "2018-10-24T14:22:23.256576159Z",
      "RemoteHost": "XXXX"
    },
    "XXXX": {
      "ServiceType": "agent",
      "ClientProtocol": "protobuf",
      "Addr": "X.X.X.X",
      "Port": 42862,
      "IsConnected": true,
      "ConnectTime": "2018-10-24T14:22:23.300763942Z",
      "RemoteHost": "XXXX"
    }
  },
  "Peers": {
    "Incomers": {},
    "Outgoers": {}
  },
  "Publishers": {},
  "Subscribers": {
    "X.X.X.X:45560": {
      "ServiceType": "webui",
      "ClientProtocol": "json",
      "Addr": "X.X.X.X",
      "Port": 45560,
      "IsConnected": true,
      "ConnectTime": "2018-10-24T14:22:30.724894609Z",
      "RemoteHost": "X.X.X.X:45560"
    }
  },
  "Alerts": {
    "IsMaster": true
  },
  "Captures": {
    "IsMaster": true
  },
  "Probes": [
    "fabric",
    "peering"
  ]
}

I use Skydive version 0.20.0.

Do you have any idea ?

Thanks !

Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
Assignees
No one assigned
Labels
None yet
Projects
None yet
Milestone
No milestone
Development

No branches or pull requests
1 participant
@SpeedBlack