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* app/vlinsert: add support of loki push protocol - implemented loki push protocol for both Protobuf and JSON formats - added examples in documentation - added example docker-compose Signed-off-by: Zakhar Bessarab <z.bessarab@victoriametrics.com> * app/vlinsert: move protobuf metric into its own file Signed-off-by: Zakhar Bessarab <z.bessarab@victoriametrics.com> * deployment/docker/victorialogs/promtail: update reference to docker image Signed-off-by: Zakhar Bessarab <z.bessarab@victoriametrics.com> * deployment/docker/victorialogs/promtail: make volume name unique Signed-off-by: Zakhar Bessarab <z.bessarab@victoriametrics.com> * app/vlinsert/loki: add license reference Signed-off-by: Zakhar Bessarab <z.bessarab@victoriametrics.com> * deployment/docker/victorialogs/promtail: fix volume name Signed-off-by: Zakhar Bessarab <z.bessarab@victoriametrics.com> * docs/VictoriaLogs/data-ingestion: add stream fields for loki JSON ingestion example Signed-off-by: Zakhar Bessarab <z.bessarab@victoriametrics.com> * app/vlinsert/loki: move entities to places where those are used Signed-off-by: Zakhar Bessarab <z.bessarab@victoriametrics.com> * app/vlinsert/loki: refactor to use common components - use CommonParameters from insertutils - stop ingestion after first error similar to elasticsearch and jsonline Signed-off-by: Zakhar Bessarab <z.bessarab@victoriametrics.com> * app/vlinsert/loki: address review feedback - add missing logstorage.PutLogRows calls - refactor tenant ID parsing to use common function - reduce number of allocations for parsing by reusing logfields slices - add tests and benchmarks for requests processing funcs Signed-off-by: Zakhar Bessarab <z.bessarab@victoriametrics.com> --------- Signed-off-by: Zakhar Bessarab <z.bessarab@victoriametrics.com>
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Promtail setup
Specify clients section in the configuration file
for sending the collected logs to VictoriaLogs:
clients:
- url: http://vlogs:9428/insert/loki/api/v1/push?_stream_fields=filename,job,stream,host,app,pid
Substitute vlogs:9428 address inside clients with the real TCP address of VictoriaLogs.
See these docs for details on the used URL query parameter section.
It is recommended verifying whether the initial setup generates the needed log fields
and uses the correct stream fields.
This can be done by specifying debug parameter
and inspecting VictoriaLogs logs then:
clients:
- url: http://vlogs:9428/insert/loki/api/v1/push?_stream_fields=filename,job,stream,host,app,pid&debug=1
If some log fields must be skipped
during data ingestion, then they can be put into ignore_fields parameter.
For example, the following config instructs VictoriaLogs to ignore log.offset and event.original fields in the ingested logs:
clients:
- url: http://vlogs:9428/insert/loki/api/v1/push?_stream_fields=filename,job,stream,host,app,pid&debug=1
By default the ingested logs are stored in the (AccountID=0, ProjectID=0) tenant.
If you need storing logs in other tenant, then It is possible to either use tenant_id provided by Loki configuration, or to use headers and provide
AccountID and ProjectID headers. Format for tenant_id is AccountID:ProjectID.
For example, the following config instructs VictoriaLogs to store logs in the (AccountID=12, ProjectID=12) tenant:
clients:
- url: http://vlogs:9428/insert/loki/api/v1/push?_stream_fields=filename,job,stream,host,app,pid&debug=1
tenant_id: "12:12"
The ingested log entries can be queried according to these docs.
See also data ingestion troubleshooting docs.