Help required on -xpath_target flag

[chandresh bhatt]

Hi,

we are using gnmi_get tool to perform a GET against my Target (SONiC gNMI server).

Command is :

./gnmi_get -insecure -username admin -password password -target_addr 10.x.x.x:8080 -target_name switch -xpath /openconfig-lldp 

Above command is failed:

failed: rpc error: code = Unimplemented desc = No target specified in prefix

Later on we found that we need to use -xpath_target flag for prefix.

Command:

./gnmi_get -insecure -username admin -password password -target_addr 10.x.x.x:8080 -target_name switch -xpath /openconfig-lldp -xpath_target CONFIG_DB

Above command is failed:

flag provided but not defined.

Any help on this ? OR how to provide the prefix in ./gnmi_get command ? Can we provide the prefix in the path itself ? If yes then please provide the example.

[Sachin Holla]

Hi Chandresh,

Use xpath "/openconfig-lldp:lldp" to get the full lldp yang data tree. Xpaths with just yang module prefix is not supported. It should point to a yang data node.

gnmi_get -insecure -username admin -password password -target_addr localhost:8080 -target_name switch -xpath /openconfig-lldp:lldp

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[Masaru OKI]

Try -xpath_target openconfig

2021年3月10日(水) 19:25 chandresh bhatt <chandre...@gmail.com>:

[santosh kumar panda]

I am facing the same issue when tried with -xpath_target openconfig and CONFIG_DB

./gnmi_get -xpath /openconfig-interfaces -target_addr 10.x.x.x:8080 -target_name hostname  -alsologtostderr -insecure true -pretty -xpath_target openconfig

== GetRequest:

 path: <

  elem: <

    name: "openconfig-lldp"

  >

>

encoding: JSON_IETF

F0317 15:42:09.237367   92919 gnmi_get.go:130] Get failed: rpc error: code = Unimplemented desc = No target specified in prefix

Also I have tried by providing exert yang data node but I got error in parsing the xpath.

./gnmi_get -xpath /openconfig-lldp:lldp/interfaces  -target_addr 10.x.x.x:8080 -target_name hostname -alsologtostderr -insecure true -pretty -xpath_target openconfig

F0317 15:36:46.529255   90999 gnmi_get.go:103] error in parsing xpath "/openconfig-lldp:lldp/interfaces " to gnmi path 

Please suggest how to proceed with this. 

[Eric Seifert]

Try:

./gnmi_get -xpath /openconfig-interfaces:interfaces -target_addr 127.0.0.1:8080 -target_name hostname  -alsologtostderr -insecure true -pretty -xpath_target openconfig
== getRequest:
prefix: <
>
path: <
  elem: <
    name: "openconfig-interfaces:interfaces"
  >
>
encoding: JSON_IETF

== getResponse:
notification: <
  timestamp: 1615996387251210700
  prefix: <
  >
  update: <
    path: <
      elem: <
        name: "openconfig-interfaces:interfaces"
      >
    >
    val: <

      json_ietf_val: "{\"openconfig-interfaces:interfaces\":{\"interface\":[{\"config\":{\"description\":\"\",\"enabled\":false,\"mtu\":9100,\"name\":\"Ethernet0\",\"type\":\"iana-if-type:ethernetCsmacd\"},\"name\":\"Ethernet0\",\"openconfig-if-ethernet:ethernet\":{\"config\":{\"openconfig-if-ethernet-ext2:port-fec\":\"openconfig-platform-types:FEC_DISABLED\",\"port-speed\":\"openconfig-if-ethernet:SPEED_100GB\"},\"state\":{\"counters\":{\"in-fragment-frames\":\"0\",\"in-jabber-frames\":\"0\",\"in-oversize-frames\":\"0\",\"in-undersize-frames\":\"0\",\"openconfig-if-ethernet-ext2:eth-in-distribution\":{\"in-frames-1024-1518-octets\":\"0\",\"in-frames-128-255-octets\":\"0\",\"in-frames-1519-2047-octets\":\"0\",\"in-frames

...

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[Serdar Vural]

Hello,

I'm getting an issue perhaps similar to this: 

gnmi_get -insecure -username admin -password sonic -target_addr 127.0.0.1:8080 -target_name switch -xpath /openconfig-interfaces:interfaces -xpath_target openconfig

flag provided but not defined: -xpath_target

What could be the issue? Could you let me know which gNMI client to use? (maybe I'm using an outdated one - followed this here: https://github.com/Azure/sonic-telemetry/blob/master/doc/gNMI_usage_examples.md)

Cheers

Serdar