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telemetry.proto
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telemetry.proto
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syntax = "proto3";
package telemetry;
message Telemetry {
oneof node_id {
string node_id_str = 1;
// bytes node_id_uuid = 2;
}
oneof subscription {
string subscription_id_str = 3;
// uint32 subscription_id = 4;
}
//
// sensor_path is not currently produced in IOS-XR
// string sensor_path = 5;
//
// encoding_path is the Yang path leading to the content in this message.
// The Yang tree encoded in the content section of this message is rooted
// at the point described by the encoding_path.
string encoding_path = 6;
//
// model_version is not currently produced in IOS-XR
// string model_version = 7;
//
// collection_id identifies messages belonging to a collection round.
// Multiple message may be generated from a collection round.
uint64 collection_id = 8;
//
// collection_start_time is the time when the collection identified by
// the collection_id begins - encoded as milliseconds since the epoch.
// If a single collection is spread over multiple Telemetry Messages,
// collection_start_time may be encoded in the first Telemetry Message
// for the collection only.
uint64 collection_start_time = 9;
//
// msg_timestamp is the time when the data encoded in the Telemetry
// message is generated - encoded as milliseconds since the epoch.
uint64 msg_timestamp = 10;
//
// data_gpbkv contains the payload data if data is being encoded in the
// self-describing GPB-KV format.
repeated TelemetryField data_gpbkv = 11;
//
// data_gpb contains the payload data if data is being encoded as
// serialised GPB messages.
TelemetryGPBTable data_gpb = 12;
//
// collection_end_time is the timestamp when the last Telemetry message
// for a collection has been encoded - encoded as milliseconds since the
// epoch. If a single collection is spread over multiple Telemetry
// messages, collection_end_time is encoded in the last Telemetry Message
// for the collection only.
uint64 collection_end_time = 13;
//
// heartbeat_sequence_number is not currently produced in IOS-XR
// uint64 heartbeat_sequence_number = 14; // not produced
}
//
// TelemetryField messages are used to export content in the self
// describing GPB KV form. The TelemetryField message is sufficient to
// decode telemetry messages for all models. KV-GPB encoding is very
// similar in concept, to JSON encoding
message TelemetryField {
//
// timestamp represents the starting time of the generation of data
// starting from this key, value pair in this message - encoded as
// milliseconds since the epoch. It is encoded when different from the
// msg_timestamp in the containing Telemetry Message. This field can be
// omitted if the value is the same as a TelemetryField message up the
// hierarchy within the same Telemetry Message as well.
uint64 timestamp = 1;
//
// name: string encoding of the name in the key, value pair. It is
// the corresponding YANG element name.
string name = 2;
//
// value_by_type, if present, for the corresponding YANG element
// represented by the name field in the same TelemetryField message. The
// value is encoded to the matching type as defined in the YANG model.
// YANG models often define new types (derived types) using one or more
// base types. The types included in the oneof grouping is sufficient to
// represent such derived types. Derived types represented as a Yang
// container are encoded using the nesting primitive defined in this
// encoding proposal.
oneof value_by_type {
bytes bytes_value = 4;
string string_value = 5;
bool bool_value = 6;
uint32 uint32_value = 7;
uint64 uint64_value = 8;
sint32 sint32_value = 9;
sint64 sint64_value = 10;
double double_value = 11;
float float_value = 12;
}
//
// The Yang model may include nesting (e.g hierarchy of containers). The
// next level of nesting, if present, is encoded, starting from fields.
repeated TelemetryField fields = 15;
}
// TelemetryGPBTable contains a repeated number of TelemetryRowGPB,
// each of which represents content from a subtree instance in the
// the YANG model. For example; a TelemetryGPBTable might contain
// the interface statistics of a collection of interfaces.
message TelemetryGPBTable {
repeated TelemetryRowGPB row = 1;
}
//
// TelemetryRowGPB, in conjunction with the Telemetry encoding_path and
// model_version, unambiguously represents the root of a subtree in
// the YANG model, and content from that subtree encoded in serialised
// GPB messages. For example; a TelemetryRowGPB might contain the
// interface statistics of one interface. Per encoding-path .proto
// messages are required to decode keys/content pairs below.
message TelemetryRowGPB {
//
// timestamp at which the data for this instance of the TelemetryRowGPB
// message was generated by an MDT-capable device - encoded as
// milliseconds since the epoch. When included, this is typically
// different from the msg_timestamp in the containing Telemetry message.
uint64 timestamp = 1;
//
// keys: if the encoding-path includes one or more list elements, and/or
// ends in a list element, the keys field is a GPB encoded message that
// contains the sequence of key values for each such list element in the
// encoding-path traversed starting from the root. The set of keys
// unambiguously identifies the instance of data encoded in the
// TelemetryRowGPB message. Corresponding protobuf message definition will
// be required to decode the byte stream. The encoding_path field in
// Telemetry message, together with model_version field should be
// sufficient to identify the corresponding protobuf message.
bytes keys = 10;
//
// content: the content field is a GPB encoded message that contains the
// data for the corresponding encoding-path. A separate decoding pass
// would be performed by consumer with the content field as a GPB message
// and the matching .proto used to decode the message. Corresponding
// protobuf message definition will be required to decode the byte
// stream. The encoding_path field in Telemetry message, together with
// model_version field should be sufficient to identify the corresponding
// protobuf message. The decoded combination of keys (when present) and
// content, unambiguously represents an instance of the data set, as
// defined in the Yang model, identified by the encoding-path in the
// containing Telemetry message.
bytes content = 11;
//repeated system_uptime content = 12;
}
//message system_uptime {
// option (cisco_msg).schema_path = "RootOper.SystemTime.Uptime";
//
// Host name
//optional string hostname = 50 [(cisco_field).name="Hostname"];
//string hostname = 50 [(cisco_field).name="Hostname"];
//string
// Amount of time in seconds since this system was last initialized
//optional uint32 uptime = 51 [(cisco_field).name="Uptime"];
//oneof value_by_type {
//bytes hostname = ;
//string string_value = 5;
//bool bool_value = 6;
//uint32 uint32_value = 7;
//uint64 uint64_value = 8;
//sint32 sint32_value = 9;
//sint64 sint64_value = 10;
//double double_value = 11;
//float float_value = 12;
//}
//}