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@ -1,30 +1,34 @@
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Sample session using curl
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=========================
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Sample sessions using curl
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==========================
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You need to read the :doc:`glossary`, and :doc:`general` before.
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Read the :doc:`glossary`, and :doc:`general` pages first.
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Full endpoints list is available: :doc:`endpoints`
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A list of all endpoints is available in :doc:`endpoints`
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.. warning::
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Beware the output of this sample is truncated in order
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to simplify the understanding. Please read the
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documentation for the exact output.
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Note that the output of the samples can be truncated in
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order to simplify their understanding. Please read the
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documentation for the exact output meaning.
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You can check the server version with a simple curl command:
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Server version
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###############
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Check the server version with a simple curl command:
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.. code-block:: shell-session
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# curl "http://localhost:3080/v2/version"
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{
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"version": "2.0.0dev1"
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"local": false,
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"version": "2.1.4"
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}
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List computes
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##############
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We will list the computes node where we can run our nodes:
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List all the compute servers:
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.. code-block:: shell-session
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@ -34,20 +38,20 @@ We will list the computes node where we can run our nodes:
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"compute_id": "local",
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"connected": true,
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"host": "127.0.0.1",
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"name": "Local",
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"name": "local",
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"port": 3080,
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"protocol": "http",
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"user": "admin"
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}
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]
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In this sample we have only one compute where we can run our nodes. This compute as a special id: local. This
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mean it's the local server embed in the GNS3 controller.
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There is only one compute server where nodes can be run in this example.
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This compute as a special id: local, this is the local server which is embedded in the GNS3 controller.
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Create project
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###############
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Create a project
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#################
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The next step is to create a project.
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The next step is to create a project:
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.. code-block:: shell-session
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@ -60,7 +64,7 @@ The next step is to create a project.
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Create nodes
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#############
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With this project id we can now create two VPCS Node.
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Using the project id, it is now possible to create two VPCS nodes:
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.. code-block:: shell-session
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@ -87,15 +91,14 @@ With this project id we can now create two VPCS Node.
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"node_id": "83892a4d-aea0-4350-8b3e-d0af3713da74",
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"node_type": "vpcs",
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"project_id": "b8c070f7-f34c-4b7b-ba6f-be3d26ed073f",
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"properties": {},
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"status": "stopped"
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}
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The properties dictionnary contains all setting specific to a node type (dynamips, docker, vpcs...)
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Link nodes
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###########
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Now we need to link the two VPCS by connecting their port 0 together.
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The two VPCS nodes can be linked together using their port number 0 (VPCS has only one network adapter with one port):
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.. code-block:: shell-session
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@ -123,7 +126,7 @@ Now we need to link the two VPCS by connecting their port 0 together.
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Start nodes
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###########
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Now we can start the two nodes.
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Start the two nodes:
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.. code-block:: shell-session
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@ -133,8 +136,8 @@ Now we can start the two nodes.
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Connect to nodes
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#################
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Everything should be started now. You can connect via telnet to the different Node.
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The port is the field console in the create Node request.
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Use a Telnet client to connect to the nodes once they have been started.
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The port number can be found in the output when the nodes have been created above.
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.. code-block:: shell-session
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@ -200,7 +203,7 @@ The port is the field console in the create Node request.
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Stop nodes
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##########
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And we stop the two nodes.
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Stop the two nodes:
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.. code-block:: shell-session
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@ -208,40 +211,41 @@ And we stop the two nodes.
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# curl -X POST "http://localhost:3080/v2/projects/b8c070f7-f34c-4b7b-ba6f-be3d26ed073f/nodes/83892a4d-aea0-4350-8b3e-d0af3713da74/stop" -d "{}"
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Add a visual element
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######################
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Add visual elements
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####################
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When you want add visual elements to the topology like rectangle, circle, images you can just send a raw SVG.
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This will display a red square in the middle of your topologies:
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Visual elements like rectangle, ellipses or images in the form of raw SVG can be added to a project.
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This will display a red square in the middle of your canvas:
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.. code-block:: shell-session
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# curl -X POST "http://localhost:3080/v2/projects/b8c070f7-f34c-4b7b-ba6f-be3d26ed073f/drawings" -d '{"x":0, "y": 12, "svg": "<svg width=\"50\" height=\"50\"><rect width=\"50\" height=\"50\" style=\"fill: #ff0000\"></rect></svg>"}'
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Tips: you can embed png/jpg... by using a base64 encoding in the SVG.
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Tip: embed PNG, JPEG etc. images using base64 encoding in the SVG.
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Add filter to the link
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######################
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Add a packet filter
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####################
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Filter allow you to add error on a link.
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Packet filters allow to filter packet on a given link. Here to drop a packet every 5 packets:
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.. code-block:: shell-session
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curl -X PUT "http://localhost:3080/v2/projects/b8c070f7-f34c-4b7b-ba6f-be3d26ed073f/links/007f2177-6790-4e1b-ac28-41fa226b2a06" -d '{"filters": {"frequency_drop": [5]}}'
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Creation of nodes
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#################
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Node creation
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##############
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Their is two way of adding nodes. Manual by passing all the information require for a Node.
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There are two ways to add nodes.
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Or by using an appliance. The appliance is a node model saved in your server.
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1. Manually by passing all the information required to create a new node.
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2. Using an appliance template stored on your server.
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Using an appliance
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------------------
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Using an appliance template
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---------------------------
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First you need to list the available appliances
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List all the available appliance templates:
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.. code-block:: shell-session
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@ -268,15 +272,15 @@ First you need to list the available appliances
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}
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]
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Now you can use the appliance and put it at a specific position
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Use the appliance template and add coordinates to select where the node will be put on the canvas:
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.. code-block:: shell-session
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# curl -X POST http://localhost:3080/v2/projects/b8c070f7-f34c-4b7b-ba6f-be3d26ed073f -d '{"x": 12, "y": 42}'
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# curl -X POST http://localhost:3080/v2/projects/b8c070f7-f34c-4b7b-ba6f-be3d26ed073f/appliances/9cd59d5a-c70f-4454-8313-6a9e81a8278f -d '{"x": 12, "y": 42}'
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Manual creation of a Qemu node
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-------------------------------
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------------------------------
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.. code-block:: shell-session
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@ -360,7 +364,7 @@ Manual creation of a Qemu node
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}
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Manual creation of a dynamips node
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Manual creation of a Dynamips node
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-----------------------------------
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.. code-block:: shell-session
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@ -486,7 +490,7 @@ Manual creation of a dynamips node
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Notifications
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#############
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You can see notification about the changes via the notification feed:
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Notifications can be seen by connection to the notification feed:
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.. code-block:: shell-session
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@ -494,14 +498,14 @@ You can see notification about the changes via the notification feed:
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{"action": "ping", "event": {"compute_id": "local", "cpu_usage_percent": 35.7, "memory_usage_percent": 80.7}}
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{"action": "node.updated", "event": {"command_line": "/usr/local/bin/vpcs -p 5001 -m 1 -i 1 -F -R -s 10001 -c 10000 -t 127.0.0.1", "compute_id": "local", "console": 5001, "console_host": "127.0.0.1", "console_type": "telnet", "name": "VPCS 2", "node_id": "83892a4d-aea0-4350-8b3e-d0af3713da74", "node_type": "vpcs", "project_id": "b8c070f7-f34c-4b7b-ba6f-be3d26ed073f", "properties": {"startup_script": null, "startup_script_path": null}, "status": "started"}}
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A websocket version is also available on http://localhost:3080/v2/projects/b8c070f7-f34c-4b7b-ba6f-be3d26ed073f/notifications/ws
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A Websocket notification stream is also available on http://localhost:3080/v2/projects/b8c070f7-f34c-4b7b-ba6f-be3d26ed073f/notifications/ws
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Read :doc:`notifications` for more informations
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Read :doc:`notifications` for more information.
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How to found the endpoints?
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Where to find the endpoints?
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###########################
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Full endpoints list is available: :doc:`endpoints`
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A list of all endpoints is available: :doc:`endpoints`
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If you start the server with **--debug** you can see all the requests made by the client and by the controller to the computes nodes.
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Tip: requests made by a client and by a controller to the computes nodes can been seen if the server is started with the **--debug** parameter.
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grossmj
6 years ago