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Moved Google Cloud Logging from appendix to compatibility
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| <!--- Hugo front matter used to generate the website version of this page: | ||
| linkTitle: Google Cloud Logging | ||
| ---> | ||
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| # Google Cloud Logging | ||
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| **Status**: [Experimental](../document-status.md) | ||
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| Google Cloud logging uses the [LogEntry](https://cloud.google.com/logging/docs/reference/v2/rest/v2/LogEntry) to | ||
| cary log information. In this section the JSON representation is used for mapping of the fields to OpenTelemetry fields | ||
| and attributes. | ||
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| ## Semantic Mapping | ||
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| Some of the attributes can be moved to OpenTelemetry Semantic Conventions. | ||
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| | Field | Type | Description | Maps to Unified Model Field | | ||
| |-------------|-----------|----------------------------------------|--------------------------------| | ||
| | `insert_id` | `boolean` | A unique identifier for the log entry. | `Attributes["log.record.uid"]` | | ||
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| ## Severity Mapping | ||
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| Mapping from [Google Cloud Log Severity](https://cloud.google.com/logging/docs/reference/v2/rest/v2/LogEntry#LogSeverity) | ||
| to the OpenTelemetry Severity Number | ||
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| | CloudLog | Severity Number | CloudLog Description | | ||
| |------------------|------------------|----------------------------------------------------------------------------------------| | ||
| | `DEFAULT`(0) | `UNSPECIFIED`(0) | The log entry has no assigned severity level. | | ||
| | `DEBUG`(100) | `DEBUG`(5) | Debug or trace information. | | ||
| | `INFO`(200) | `INFO`(9) | Routine information, such as ongoing status or performance. | | ||
| | `NOTICE`(300) | `INFO2`(10) | Normal but significant events, such as start up, shut down, or a configuration change. | | ||
| | `WARNING`(400) | `WARN`(13) | Warning events might cause problems. | | ||
| | `ERROR`(500) | `ERROR`(17) | Error events are likely to cause problems. | | ||
| | `CRITICAL`(600) | `FATAL`(21) | Critical events cause more severe problems or outages. | | ||
| | `ALERT`(700) | `FATAL2`(22) | A person must take an action immediately. | | ||
| | `EMERGENCY`(800) | `FATAL4`(24) | One or more systems are unusable. | | ||
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| Mapping from OpenTelemetry Severity Number to a | ||
| [Google Cloud Log Severity](https://cloud.google.com/logging/docs/reference/v2/rest/v2/LogEntry#LogSeverity) | ||
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| | Severity Number | CloudLog | | ||
| |-----------------------------|------------------| | ||
| | `UNSPECIFIED`(0) | `DEFAULT`(0) | | ||
| | `TRACE`(1) - `DEBUG4`(8) | `DEBUG`(100) | | ||
| | `INFO`(9) | `INFO`(200) | | ||
| | `INFO2`(10) - `INFO4`(12) | `NOTICE`(300) | | ||
| | `WARN`(13) - `WARN4`(16) | `WARNING`(400) | | ||
| | `ERROR`(17) - `ERROR4`(20 | `ERROR`(500) | | ||
| | `FATAL`(21) | `CRITICAL`(600) | | ||
| | `FATAL2`(22) - `FATAL3`(23) | `ALERT`(700) | | ||
| | `FATAL4`(24) | `EMERGENCY`(800) | | ||
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| ## Miscellaneous | ||
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| | Field | Type | Description | Maps to Unified Model Field | | ||
| |--------------------|--------------------------|------------------------------------------------------------------------------------------------------------------|-----------------------------------------------| | ||
| | `timestamp` | `string` | The time the event described by the log entry occurred. | `Timestamp` | | ||
| | `receiveTimestamp` | `string` | The time the log entry was received. | `ObservedTimestamp` | | ||
| | `logName` | `string` | The URL-encoded log ID suffix of the log_name field identifies which log stream this entry belongs to. | `Attributes["gcp.log_name"]` (string) | | ||
| | `jsonPayload` | `google.protobuf.Struct` | The log entry payload, represented as a structure that is expressed as a JSON object. | `Body` (KVList) | | ||
| | `protoPayload` | `google.protobuf.Any` | The log entry payload, represented as a protocol buffer. | `Body` (KVList, key from JSON representation) | | ||
| | `textPayload` | `string` | The log entry payload, represented as a Unicode string (UTF-8). | `Body` (string) | | ||
| | `trace` | `string` | The trace associated with the log entry, if any. | `TraceId` | | ||
| | `spanId` | `string` | The span ID within the trace associated with the log entry. | `SpanId` | | ||
| | `traceSampled` | `boolean` | The sampling decision of the trace associated with the log entry. | `TraceFlags.SAMPLED` | | ||
| | `labels` | `map<string,string>` | A set of user-defined (key, value) data that provides additional information about the log entry. | `Attributes` | | ||
| | `resource` | `MonitoredResource` | The monitored resource that produced this log entry. | `Resource["gcp.*"]` | | ||
| | `httpRequest` | `HttpRequest` | The HTTP request associated with the log entry, if any. | `Attributes["gcp.http_request"]` (KVList) | | ||
| | `operation` | `LogEntryOperation` | Information about a operation associated with the log entry. | `Attributes["gcp.operation"]` (KVList) | | ||
| | `sourceLocation` | `LogEntrySourceLocation` | Source code location information associated with the log entry. | `Attributes["gcp.source_location"]` (KVList) | | ||
| | `split` | `LogSplit` | Information indicating this LogEntry is part of a sequence of multiple log entries split from a single LogEntry. | `Attributes["gcp.log_split"]` (KVList) | |
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