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Merge multiple services creation under single API REST call

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fmarangi
Cisco Employee
Cisco Employee

‎06-13-2018 01:17 AM - edited ‎03-01-2019 04:11 AM

Hi All,

I've been banging my head about this issue for a couple of days... I wonder if it's normal that it's not possible to combine multiple API calls into a single one to create multiple instances of service using only one API REST call

The attached example can help you to understand what I mean

thank you for your time

Francesco

Header 1

cisco ~ $ ncs_cli -u admin -C

admin connected from x.x.x.x using ssh on debian

admin@ncs# conf

Entering configuration mode terminal

admin@ncs(config)# services vrf R3 VRFBLUE rd 65000:65000

admin@ncs(config-vrf-R3/VRFBLUE)# address-family ipv4 route-target 1 export 65000:65000 import 65000:65000

admin@ncs(config-route-target-1)# address-family ipv4 route-target 2 export 65000:65001 import 65000:65001

admin@ncs(config-route-target-2)# commit dry-run outformat xml

result-xml {

    local-node {

        data <devices xmlns="http://tail-f.com/ns/ncs">

               <device>

                 <name>R3</name>

                 <config>

                   <vrf xmlns="urn:ios">

                     <definition>

                       <name>VRFBLUE</name>

                       <rd>65000:65000</rd>

                       <address-family>

                         <ipv4>

                           <route-target>

                             <export>

                               <asn-ip>65000:65000</asn-ip>

                             </export>

                             <export>

                               <asn-ip>65000:65001</asn-ip>

                             </export>

                             <import>

                               <asn-ip>65000:65000</asn-ip>

                             </import>

                             <import>

                               <asn-ip>65000:65001</asn-ip>

                             </import>

                           </route-target>

                         </ipv4>

                       </address-family>

                     </definition>

                   </vrf>

                 </config>

               </device>

             </devices>

             <services xmlns="http://tail-f.com/ns/ncs">

               <vrf xmlns="http://example.com/vrf">

                 <device>R3</device>

                 <vpn-name>VRFBLUE</vpn-name>

                 <rd>65000:65000</rd>

                 <address-family>

                   <af>ipv4</af>

                   <route-target>

                     <id>1</id>

                     <import>65000:65000</import>

                     <export>65000:65000</export>

                   </route-target>

                   <route-target>

                     <id>2</id>

                     <import>65000:65001</import>

                     <export>65000:65001</export>

                   </route-target>

                 </address-family>

               </vrf>

             </services>

    }

}

admin@ncs(config-route-target-2)#

Uncommitted changes found, commit them? [yes/no/CANCEL] no

admin@ncs# exit

cisco ~ $ cat << EOF > v.xml

>                <vrf xmlns="http://example.com/vrf">

                     <export>65000:65000</export>

>                  <device>R3</device>

>                  <vpn-name>VRFBLUE</vpn-name>

>                  <rd>65000:65000</rd>

>                  <address-family>

>                    <af>ipv4</af>

>                    <route-target>

>                      <id>1</id>

>                      <import>65000:65000</import>

>                      <export>65000:65000</export>

>                    </route-target>

>                    <route-target>

>                      <id>2</id>

>                      <import>65000:65001</import>

>                      <export>65000:65001</export>

>                    </route-target>

>                  </address-family>

>                </vrf>

>

> EOF

cisco ~ $ cat v.xml

               <vrf xmlns="http://example.com/vrf">

                 <device>R3</device>

                 <vpn-name>VRFBLUE</vpn-name>

                 <rd>65000:65000</rd>

                 <address-family>

                   <af>ipv4</af>

                   <route-target>

                     <id>1</id>

                     <import>65000:65000</import>

                     <export>65000:65000</export>

                   </route-target>

                   <route-target>

                     <id>2</id>

                     <import>65000:65001</import>

                     <export>65000:65001</export>

                   </route-target>

                 </address-family>

               </vrf>

cisco ~ $ curl -I --header 'Authorization: Basic YWRtaW46YWRtaW4=' --header 'Content-Type: application/vnd.yang.data+xml' -X POST -T v.xml  http://10.58.0.24:8080/api/config/services?dry-run=native

HTTP/1.1 100 Continue

Server:

Allow: GET, POST, OPTIONS, HEAD

Content-Length: 0

HTTP/1.1 201 Created

Server:

Location: http://10.58.0.24:8080/api/config/services/vrf:vrf/R3,VRFBLUE

Date: Wed, 13 Jun 2018 06:26:47 GMT

Allow: GET, POST, OPTIONS, HEAD

Last-Modified: Wed, 13 Jun 2018 06:21:50 GMT

Cache-Control: private, no-cache, must-revalidate, proxy-revalidate

Etag: 1528-870910-103174

Content-Length: 388

Content-Type: text/xml

Vary: Accept-Encoding

Access-Control-Allow-Methods: GET,POST,OPTIONS,PUT,DELETE

Access-Control-Allow-Headers: access-control-allow-credentials,access-control-allow-headers,access-control-allow-methods,access-control-allow-origin,authorization,content-type

Access-Control-Allow-Credentials: true

Access-Control-Allow-Origin: *

Pragma: no-cache

<dry-run-result xmlns='http://tail-f.com/ns/rest/dry-run'>

<native>

<device>

<name>R3</name>

<data>

! Generated offline

vrf definition VRFBLUE

rd 65000:65000

address-family ipv4

  route-target export 65000:65000

  route-target export 65000:65001

  route-target import 65000:65000

  route-target import 65000:65001

  exit-address-family

!

!

</data>

</device>

</native>

</dry-run-result>cisco ~ $

</dry-run-result>cisco ~ $ cat << EOF > v.xml

>  <vrf xmlns="http://example.com/vrf">

>                  <device>R3</device>

>                  <vpn-name>VRFBLUE</vpn-name>

>                  <rd>65000:65000</rd>

>                  <address-family>

>                    <af>ipv4</af>

>                    <route-target>

>                      <id>1</id>

>                      <import>65000:65000</import>

>                      <export>65000:65000</export>

>                    </route-target>

>                    <route-target>

>                      <id>2</id>

>                      <import>65000:65001</import>

>                      <export>65000:65001</export>

>                    </route-target>

>                  </address-family>

>                </vrf>

>                <vrf xmlns="http://example.com/vrf">

                 <vpn-name>VRFBLUE</vpn-name>

>                  <device>R4</device>

>                  <vpn-name>VRFBLUE</vpn-name>

>                  <rd>65000:65000</rd>

>                  <address-family>

>                    <af>ipv4</af>

>                    <route-target>

>                      <id>1</id>

>                      <import>65000:65000</import>

>                      <export>65000:65000</export>

>                    </route-target>

>                    <route-target>

>                      <id>2</id>

>                      <import>65000:65001</import>

>                      <export>65000:65001</export>

>                    </route-target>

>                  </address-family>

>                </vrf>

> EOF

cisco ~ $ cat v.xml

<vrf xmlns="http://example.com/vrf">

                 <device>R3</device>

                 <vpn-name>VRFBLUE</vpn-name>

                 <rd>65000:65000</rd>

                 <address-family>

                   <af>ipv4</af>

                   <route-target>

                     <id>1</id>

                     <import>65000:65000</import>

                     <export>65000:65000</export>

                   </route-target>

                   <route-target>

                     <id>2</id>

                     <import>65000:65001</import>

                     <export>65000:65001</export>

                   </route-target>

                 </address-family>

               </vrf>

               <vrf xmlns="http://example.com/vrf">

                 <device>R4</device>

                 <vpn-name>VRFBLUE</vpn-name>

                 <rd>65000:65000</rd>

                 <address-family>

                   <af>ipv4</af>

                   <route-target>

                     <id>1</id>

                     <import>65000:65000</import>

                     <export>65000:65000</export>

                   </route-target>

                   <route-target>

                     <id>2</id>

                     <import>65000:65001</import>

                     <export>65000:65001</export>

                   </route-target>

                 </address-family>

               </vrf>

cisco ~ $ curl -I --header 'Authorization: Basic YWRtaW46YWRtaW4=' --header 'Content-Type: application/vnd.yang.data+xml' -X POST -T v.xml  http://10.58.0.24:8080/api/config/services?dry-run=native

HTTP/1.1 100 Continue

Server:

Allow: GET, POST, OPTIONS, HEAD

Content-Length: 0

HTTP/1.1 400 Bad Request

Server:

Date: Wed, 13 Jun 2018 06:28:17 GMT

Allow: GET, POST, OPTIONS, HEAD

Cache-Control: private, no-cache, must-revalidate, proxy-revalidate

Content-Length: 253

Content-Type: text/xml

Vary: Accept-Encoding

Access-Control-Allow-Methods: GET,POST,OPTIONS,PUT,DELETE

Access-Control-Allow-Headers: access-control-allow-credentials,access-control-allow-headers,access-control-allow-methods,access-control-allow-origin,authorization,content-type

Access-Control-Allow-Credentials: true

Access-Control-Allow-Origin: *

Pragma: no-cache

<errors xmlns="http://tail-f.com/ns/tailf-rest-error">

  <error>

    <error-tag>malformed-message</error-tag>

    <error-urlpath>/api/config/services</error-urlpath>

    <error-message>unexpected trailing data: vrf</error-message>

  </error>

</errors>

Labels:
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1 Accepted Solution

Accepted Solutions

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kpiechot
Cisco Employee
Cisco Employee
In response to fmarangi

‎06-18-2018 01:14 AM

Hi Francesco,

You need to do partial operation on services resource. Here sample that worked for me with postman.

- http method PATCH,

- uri  http://192.168.122.232:8080/api/config/

-  Content-Type: application/vnd.yang.datastore+xml

- payload:

just wrap services instances in services tag:

<services xmlns="http://tail-f.com/ns/ncs">

      <ip_vrf xmlns="http://com/example/ipvrf">

             <owning_entity_id>iosxr0</owning_entity_id>

         <vrf_name>karolprov</vrf_name>

         <asn>10</asn>

        <address_family_type>ipv4</address_family_type>

        <rd>10:10</rd>

      </ip_vrf>

      <ip_vrf xmlns="http://com/example/ipvrf">

             <owning_entity_id>iosxr0</owning_entity_id>

         <vrf_name>karolprov3</vrf_name>

         <asn>20</asn>

        <address_family_type>ipv4</address_family_type>

        <rd>12:10</rd>

      </ip_vrf>

</services>

I hope it helps

Karol

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mmalysz
Cisco Employee
Cisco Employee

‎06-13-2018 02:27 AM

If you want to create multiple instances it is possible to send a call to higher level URI.

However if you want to mix create of one instance with i.e. deletion of another - for this one you'd need to use yang-patch as defined in RFC8072 - NSO 4.6 / 4.5.2 comes with support for it

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fmarangi
Cisco Employee
Cisco Employee
In response to mmalysz

‎06-13-2018 04:08 AM

Hi Maciej

thank you for your time,

could you provide me a working example (with curl) or something similiar that could help me to solve this situation?

(i'm using NSO >4.6)

thank you

Fra

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Go to solution
kpiechot
Cisco Employee
Cisco Employee
In response to fmarangi

‎06-18-2018 01:14 AM

Hi Francesco,

You need to do partial operation on services resource. Here sample that worked for me with postman.

- http method PATCH,

- uri  http://192.168.122.232:8080/api/config/

-  Content-Type: application/vnd.yang.datastore+xml

- payload:

just wrap services instances in services tag:

<services xmlns="http://tail-f.com/ns/ncs">

      <ip_vrf xmlns="http://com/example/ipvrf">

             <owning_entity_id>iosxr0</owning_entity_id>

         <vrf_name>karolprov</vrf_name>

         <asn>10</asn>

        <address_family_type>ipv4</address_family_type>

        <rd>10:10</rd>

      </ip_vrf>

      <ip_vrf xmlns="http://com/example/ipvrf">

             <owning_entity_id>iosxr0</owning_entity_id>

         <vrf_name>karolprov3</vrf_name>

         <asn>20</asn>

        <address_family_type>ipv4</address_family_type>

        <rd>12:10</rd>

      </ip_vrf>

</services>

I hope it helps

Karol

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fmarangi
Cisco Employee
Cisco Employee
In response to kpiechot

‎06-20-2018 05:48 AM

Thank you so much Karol,

this is exactly what i was looking for

thank you for your time

bye

Francesco

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