gnmi_cli display_type single or group return display error

[wisotzky]

I am using the latest version of gnmi_cli against my gNMI server (using spec v0.3.1). When trying to set the display type to single or group, I am getting a displaying error:

# gnmi_cli -a pe1:57400 -with_user_pass -ca_crt CAcert.pem -qt s -dt s -pi 10s -q state/port[port-id=1/1/1]/ethernet/statistics/out-utilization
username: grpc
password: E0919 13:53:47.398923    5101 gnmi_cli.go:186] cli.QueryDisplay:
        sendQueryAndDisplay(ctx, {Addrs:[pe1:57400] Target: Replica:0 Discard:false Queries:[[state port[port-id=1/1/1] ethernet statistics out-utilization]] Type:stream Timeout:30s NotificationHandler:<nil> ProtoHandler:<nil> Credentials:0xc420152460 TLS:0xb78020 Extra:map[]}, &{PollingInterval:10s StreamingDuration:0s Count:0 countExhausted:false Delimiter:/ Display:0x7c6040 DisplayPrefix: DisplayIndent:   DisplayType:s DisplayPeer:false Timestamp: DisplaySize:false Latency:false ClientTypes:[]}):
        client had error while displaying results:
        non-scalar type &{JsonVal:[48]}

As long I am using proto everything works without problems:

#  gnmi_cli -a pe1:57400 -with_user_pass -ca_crt CAcert.pem -qt s -dt p -pi 10s -q state/port[port-id=1/1/1]/ethernet/statistics/out-utilization
username: grpc
password: update: <
  timestamp: 1505822251599627652
  prefix: <
    element: "state"
    element: "port[port-id=1/1/1]"
    element: "ethernet"
    element: "statistics"
  >
  update: <
    path: <
      element: "out-utilization"
    >
    val: <
      json_val: "0"
    >
  >
>

sync_response: true

[gcsl]

The spec was updated to include a TypedValue message to enable per leaf explicit types which is the recommended value format. The json_val is retained for setting configuration but shouldn't be used for telemetry as there are encoding problems in JSON that require workarounds, most notably the handling of 64bit counters and loss of precision. Numeric values should use their respective types explicitly.

On Tue, Sep 19, 2017 at 4:58 AM, wiso notifications@github.com wrote:

I am using the latest version of gnmi_cli against my gNMI server (using spec v0.3.1). When trying to set the display type to single or group, I am getting a displaying error:

gnmi_cli -a pe1:57400 -with_user_pass -ca_crt CAcert.pem -qt s -dt s -pi 10s -q state/port[port-id=1/1/1]/ethernet/statistics/out-utilization

username: grpc password: E0919 13:53:47.398923 5101 gnmi_cli.go:186] cli.QueryDisplay: sendQueryAndDisplay(ctx, {Addrs:[pe1:57400] Target: Replica:0 Discard:false Queries:[[state port[port-id=1/1/1] ethernet statistics out-utilization]] Type:stream Timeout:30s NotificationHandler: ProtoHandler: Credentials:0xc420152460 TLS:0xb78020 Extra:map[]}, &{PollingInterval:10s StreamingDuration:0s Count:0 countExhausted:false Delimiter:/ Display:0x7c6040 DisplayPrefix: DisplayIndent: DisplayType:s DisplayPeer:false Timestamp: DisplaySize:false Latency:false ClientTypes:[]}): client had error while displaying results: non-scalar type &{JsonVal:[48]}

As long I am using proto everything works without problems:

gnmi_cli -a pe1:57400 -with_user_pass -ca_crt CAcert.pem -qt s -dt p -pi 10s -q state/port[port-id=1/1/1]/ethernet/statistics/out-utilization

username: grpc password: update: < timestamp: 1505822251599627652 prefix: < element: "state" element: "port[port-id=1/1/1]" element: "ethernet" element: "statistics"

update: < path: < element: "out-utilization"

val: < json_val: "0"

sync_response: true

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[awly]

Per Carl's comment, non-proto display_type expects TypedValue in responses.