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= Running Honeycomb

link:release_notes.html[< Home]

== Starting Honeycomb agent
The zipped vpp-integration distribution can be started by invoking:

[subs="+attributes"]
 sudo ./vpp-integration-distribution-{project-version}/honeycomb

This will start Honeycomb with all ODL dependencies and VPP translation code. It will automatically initialize vpp-jvpp to create interface between VPP and Honeycomb.

If Honeycomb was installed from the RPM or DEB packages, it can be started by (make sure you start vpp first):

 sudo service vpp start
 sudo service honeycomb start

The location of installed honeycomb is at /opt/honeycomb

== Testing Honeycomb agent
There are multiple ways of testing Honeycomb agent, depending on e.g. which northbound interface will be used

=== Using NETCONF Northbound

Netconf northbound can be easily tested manually using CLI SSH client. Initialize SSH connection by invoking:

 ssh admin@localhost -p 2831 -s netconf

NOTE: Using default credentials admin/admin, default port 2831 and netconf SSH channel Note: "Are you sure you want to continue connecting (yes/no)?" Answer yes

Next thing to do is to provide client hello message to initialize netconf session. Following content must be copy&pasted into SSH session + hit enter:

[source,xml]
----
<hello xmlns="urn:ietf:params:xml:ns:netconf:base:1.0">
    <capabilities>
        <capability>urn:ietf:params:netconf:base:1.0</capability>
    </capabilities>
</hello>
]]>]]>
----

This initializes netconf session silently. No response from Honeycomb will be provided

Next step is to get all the configuration data from VPP using Honeycomb's netconf northbound interface. Following content must be copy&pasted into SSH session + hit enter:

[source,xml]
----
<rpc xmlns="urn:ietf:params:xml:ns:netconf:base:1.0" message-id="101">
    <get-config>
        <source>
            <running/>
        </source>
    </get-config>
</rpc>
]]>]]>
----

Honeycomb will respond will all the data currently configured in Honeycomb + VPP

Next step is to get all the operational data from VPP using Honeycomb's netconf northbound interface. Following content must be copy&pasted into SSH session + hit enter:

[source,xml]
----
<rpc xmlns="urn:ietf:params:xml:ns:netconf:base:1.0" message-id="101">
    <get/>
</rpc>
]]>]]>
----

Honeycomb will respond will all operational data present in VPP.

==== Listening for notifications

Notifications over NETCONF are supported by Honeycomb. To test it out, open ssh NETCONF session and send hello message. Exactly as detailed above.

Next thing to do is to activate honeycomb notification stream over NETCONF. So just send this rpc over ssh session:

[source,xml]
----
<netconf:rpc netconf:message-id="101" xmlns:netconf="urn:ietf:params:xml:ns:netconf:base:1.0">
<create-subscription xmlns="urn:ietf:params:xml:ns:netconf:notification:1.0">
   <stream>honeycomb</stream>
</create-subscription>
</netconf:rpc>
]]>]]>
----

From now on, all notifications from honeycomb will appear in the netconf session. To verify, VPP's interface state can be changed over CLI:

 telnet 0 5002
 set interface state local0 up

A notification should appear in opened NETCONF session.

=== Using RESTCONF northbound

[TIP]
====
Testing over RESTCONF is easier, and common calls can be found in this postman collection:

* {project-git-web}/v3po/postman_rest_collection.json?h={project-branch}[V3PO postman collection][Honeycomb V3PO POSTMAN collection]*

Each request in the collection contains equivalent VPP command (over CLI or VAT, whichever works) in the description.
====

To use:

* POSTMAN is a google chrome application
* Clicking the collection link above is not CORRECT
* Open POSTMAN and select Import https://www.dropbox.com/s/v2odj4gih5if99d/Screenshot%202016-05-19%2008.51.45.png?dl=0
* Select import from link https://www.dropbox.com/s/s6wsqzf7h4yhesh/Screenshot%202016-05-19%2008.52.54.png?dl=0
* Copy the link above into the dialogue https://www.dropbox.com/s/3qc3bbndhy6rr1g/Screenshot%202016-05-19%2008.53.30.png?dl=0
* PROFIT! https://www.dropbox.com/s/lrdtua7zziqyqc3/Screenshot%202016-05-19%2008.53.51.png?dl=0

NOTE: All POSTMAN collections are listed under User Guide.

==== Listening for notifications
Notifications over RESTCONF are not supported due to ODL's RESTCONF limitations.