{"id":6066,"date":"2021-03-03T15:48:41","date_gmt":"2021-03-03T23:48:41","guid":{"rendered":"https:\/\/blogs.infoblox.com\/?p=6066"},"modified":"2021-03-03T15:48:41","modified_gmt":"2021-03-03T23:48:41","slug":"use-ipam-to-control-netmri-discovery-ranges","status":"publish","type":"post","link":"https:\/\/www.infoblox.com\/blog\/community\/use-ipam-to-control-netmri-discovery-ranges\/","title":{"rendered":"Use IPAM to Control NetMRI Discovery Ranges"},"content":{"rendered":"

Whenever you add a new network into IPAM you have to manually add it into NetMRI for it to be discovered.<\/span><\/p>\n

Why do we have to do this when NetMRI is an Automation tool?\u00a0 I\u2019m so glad you asked.<\/span><\/p>\n

The following is going to walk you through how to setup IPAM and NetMRI together to solve this issue. We will define a new Extensible Attribute (EA) that will control if a network has to be added to NetMRI for discovery. Then we will deploy a script on NetMRI that will check NIOS for newly created networks marked for discovery. Finally we will define a recurring job on NetMRI so that every hour the script will check if any new networks need to be added to the discovery settings.<\/span><\/p>\n

Creating and Using the Extensible Attribute<\/span><\/h3>\n

Log in to Infoblox IPAM, click on Administration -> Extensible Attributes -> the \u201c+\u201d to add a new EA.\u00a0 We will name it \u201cNetMRI\u201d and set the type to \u201cList\u201d, add the Values \u201cYes, No, Done\u201d then click \u201cSave & Close\u201d<\/span><\/p>\n

Example:<\/span><\/p>\n

\"\"<\/p>\n

 <\/p>\n

\"\"<\/p>\n

 <\/p>\n

Now we create the network in IPAM under Data Management, IPAM, Click the \u201c+\u201d button.<\/span><\/p>\n

At the end of the wizard you will be prompted which Extensible Attributes you want to assign to this network. Add the \u201cNetMRI\u201d EA and set the value to \u201cYes\u201d.\u00a0 Later our automation script running on the NetMRI appliance will be look for all networks were the EA \u201cNetMRI\u201d equals \u201cYes\u201d<\/span><\/p>\n

 <\/p>\n

\"\"<\/p>\n

 <\/p>\n

NetMRI Script to add the network<\/span><\/h3>\n

We are going to use a Python script in NetMRI to make an WAPI call to NIOS, it will look at IPAM data to find the relevant networks that need to be added.\u00a0\u00a0<\/span><\/p>\n

The first API call is using the \u201cGET\u201d method and WAPI endpoint \/network to find the network with the value \u201cYes\u201d<\/span><\/p>\n

The 2nd call will add these networks to NetMRI discovery ranges using the DiscoverySettings broker.<\/span><\/p>\n

The 3rd call uses \u201cPUT\u201d to update the NetMRI EA on the IPAM side to change the value from \u201cYes\u201d to \u201cDone\u201d<\/span><\/p>\n

Here is the script:<\/span><\/p>\n\n\n\n
# BEGIN-SCRIPT-BLOCK<\/span>
\n<\/span>#<\/span>
\n<\/span># Script-Login:<\/span>
\n<\/span># \u00a0 \u00a0 false<\/span>
\n<\/span># Script-Filter:<\/span>
\n<\/span># \u00a0 \u00a0 true<\/span>
\n<\/span>#<\/span>
\n<\/span># Script-Variables:<\/span>
\n<\/span># \u00a0 \u00a0 $gmuser string ‘Grid Master Username’<\/span>
\n<\/span># \u00a0 \u00a0 $gmpassword password ‘Grid Master Password’<\/span>
\n<\/span># \u00a0 \u00a0 $gmipaddress string ‘192.168.1.2’<\/span>
\n<\/span>#<\/span>
\n<\/span># END-SCRIPT-BLOCK<\/span>
\n<\/span>
\n<\/span>from<\/span> infoblox_netmri.easy <\/span>import<\/span> NetMRIEasy<\/span>
\n<\/span>import<\/span> requests, json<\/span>
\n<\/span>
\n<\/span>requests.packages.urllib3.disable_warnings()<\/span>
\n<\/span># This values will be provided by NetMRI before execution<\/span>
\n<\/span>defaults = {<\/span>
\n<\/span>\u00a0 \u00a0 <\/span>‘api_url’<\/span>: api_url,<\/span>
\n<\/span>\u00a0 \u00a0 <\/span>‘http_username’<\/span>: http_username,<\/span>
\n<\/span>\u00a0 \u00a0 <\/span>‘http_password’<\/span>: http_password,<\/span>
\n<\/span>\u00a0 \u00a0 <\/span>‘job_id’<\/span>: job_id,<\/span>
\n<\/span>\u00a0 \u00a0 <\/span>‘device_id’<\/span>: device_id,<\/span>
\n<\/span>\u00a0 \u00a0 <\/span>‘batch_id’<\/span>: batch_id<\/span>
\n<\/span>}<\/span>
\n<\/span>
\n<\/span># Create NetMRI context manager. It will close session after execution<\/span>
\n<\/span>myeasy = NetMRIEasy(**defaults)<\/span>
\n<\/span>
\n<\/span>headers = {<\/span>‘Content-type’<\/span>: <\/span>‘application\/json’<\/span>}<\/span>
\n<\/span># We are going to look for any Network Objects with an EA of NetMRI “Add”<\/span>
\n<\/span># <\/span>
\n<\/span>querystring = {<\/span>“_return_fields+”<\/span>:<\/span>“extattrs”<\/span>,<\/span>“*NetMRI:”<\/span>:<\/span>“Yes”<\/span>}<\/span>
\n<\/span>url = <\/span>“https:\/\/{}\/wapi\/v2.7\/network”<\/span>.format(gmipaddress)<\/span>
\n<\/span>r = requests.request(<\/span>“GET”<\/span>, url, verify=<\/span>False<\/span>, headers=headers, params=querystring, auth=(gmuser, gmpassword))<\/span>
\n<\/span>broker = myeasy.broker(<\/span>‘DiscoverySetting’<\/span>)<\/span>
\n<\/span>data = json.loads(r.text)<\/span>
\n<\/span>for<\/span> entry <\/span>in<\/span> data:<\/span>
\n<\/span>\u00a0 \u00a0 print(entry[<\/span>‘network’<\/span>])<\/span>
\n<\/span>\u00a0 \u00a0 ip = entry[<\/span>‘network’<\/span>]<\/span>
\n<\/span>\u00a0 \u00a0 ref = entry[<\/span>‘_ref’<\/span>]<\/span>
\n<\/span>\u00a0 \u00a0 print(ref)<\/span>
\n<\/span>\u00a0 \u00a0 ip = ip.rstrip(<\/span>‘\\r\\n’<\/span>)<\/span>
\n<\/span>\u00a0 \u00a0 broker = myeasy.broker(<\/span>‘DiscoverySetting’<\/span>)<\/span>
\n<\/span>\u00a0 \u00a0 add_ip_to_ds = {<\/span>
\n<\/span>\u00a0 \u00a0 \u00a0 \u00a0 <\/span>“range_value”<\/span>: ip,<\/span>
\n<\/span>\u00a0 \u00a0 \u00a0 \u00a0 <\/span>“range_type”<\/span>: <\/span>‘CIDR’<\/span>,<\/span>
\n<\/span>\u00a0 \u00a0 \u00a0 \u00a0 <\/span>“discovery_status”<\/span>: <\/span>‘INCLUDE’<\/span>,<\/span>
\n<\/span>\u00a0 \u00a0 \u00a0 \u00a0 <\/span>“virtual_network_id”<\/span>: <\/span>‘1’<\/span>
\n<\/span>\u00a0 \u00a0 }<\/span>
\n<\/span>\u00a0 \u00a0 broker.create(**add_ip_to_ds)<\/span>
\n<\/span>\u00a0 \u00a0 update_url = <\/span>“https:\/\/{}\/wapi\/v2.7\/”<\/span>.format(gmipaddress)<\/span>
\n<\/span>\u00a0 \u00a0 url2 = update_url + ref<\/span>
\n<\/span>\u00a0 \u00a0 payload={<\/span>‘extattrs+’<\/span>: {<\/span>‘NetMRI’<\/span>: {<\/span>‘value’<\/span>: <\/span>Done<\/span>}}}<\/span>
\n<\/span>\u00a0 \u00a0 update = requests.request(<\/span>“PUT”<\/span>, url2, verify=<\/span>False<\/span>, headers=headers, json=payload, auth=(gmuser, gmpassword))<\/span>
\n<\/span>\u00a0 \u00a0 print(update.content)<\/span><\/p>\n

<\/span><\/p>\n

\"\"<\/p>\n

Results<\/span><\/h3>\n

Now let\u2019s run the script and see what happens.<\/span><\/p>\n

Here is in NetMRI -> Settings -> Discovery Settings -> Ranges<\/span><\/p>\n

\"\"<\/p>\n

As you can see the network from NIOS was added<\/span><\/p>\n

Now let\u2019s check IPAM for the network EA, to see if it was updated<\/span><\/p>\n

\"\"<\/p>\n

<\/h2>\n

Let\u2019s AUTOMATE it<\/span><\/h3>\n

In order to keep track of networks as they are added to IPAM we are going to add it to NetMRI as a scheduled job to run once an hour.<\/span><\/p>\n

Config Management \u2192 Job Management \u2192 Scheduled Jobs \u2192 <\/span>+<\/b><\/p>\n

Choose the Script on the right side(mine is called \u201c1 – NIOS Sync 2\u201d), give it a name and Approved<\/span><\/p>\n

\"\"<\/p>\n

 <\/p>\n

Now we need to add the User account, Password and IP\/DNS name.<\/span><\/p>\n

\"\"<\/p>\n

 <\/p>\n

Now we set it to run every hour on the hour<\/span><\/p>\n

\"\"<\/p>\n

You can find the scheduled tasks in the NetMRI UI under Config Management, Job Management, Scheduled Jobs.\u00a0<\/span><\/p>\n

\"\"<\/p>\n

Conclusion<\/span><\/h3>\n

It\u2019s easy to get data from NIOS or any other product that accepts API calls and use that data\u00a0 in NetMRI.\u00a0 <\/span>Here’s a related blog:\u00a0 Get networks from IPAM and add to NetMRI for Discovery<\/a>.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

Whenever you add a new network into IPAM you have to manually add it into NetMRI for it to be discovered. Why do we have to do this when NetMRI is an Automation tool?\u00a0 I\u2019m so glad you asked. The following is going to walk you through how to setup IPAM and NetMRI together to […]<\/p>\n","protected":false},"author":260,"featured_media":556,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","footnotes":""},"categories":[3],"tags":[51,145],"class_list":{"0":"post-6066","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-community","8":"tag-ipam","9":"tag-netmri","10":"entry"},"acf":[],"yoast_head":"\nUse IPAM to Control NetMRI Discovery Ranges<\/title>\n<meta name=\"description\" content=\"Use IPAM to Control NetMRI Discovery Ranges. Whenever you add a new network into IPAM you have to manually add it into NetMRI for it to be discovered.Why do we have to do this when NetMRI is an Automation tool?\u00a0 I\u2019m so glad you asked.The following is going to walk you through how to setup IPAM and NetMRI together to solve this issue. We will define a new Extensible Attribute (EA) that will control if a network has to be added to NetMRI for discovery. Then we will deploy a script on NetMRI that will check NIOS for newly created networks marked for discovery. 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