22 Commits

Author SHA1 Message Date
ac09baae7d Chore: Use Header.Set method instead of Header.Add (#29804)
Signed-off-by: Arve Knudsen <arve.knudsen@gmail.com>
2020-12-14 15:13:01 +01:00
294770f411 Chore: Handle wrapped errors (#29223)
* Chore: Handle wrapped errors

Signed-off-by: Arve Knudsen <arve.knudsen@gmail.com>

Co-authored-by: Emil Tullstedt <emil.tullstedt@grafana.com>
2020-11-19 13:34:28 +01:00
43f580c299 AlertingNG: manage and evaluate alert definitions via the API (#28377)
* Alerting NG: prototype v2 (WIP)

* Separate eval package

* Modify eval alert definition endpoint

* Disable migration if ngalert is not enabled

* Remove premature test

* Fix lint issues

* Delete obsolete struct

* Apply suggestions from code review

* Update pkg/services/ngalert/ngalert.go

Co-authored-by: Kyle Brandt <kyle@grafana.com>

* Add API endpoint for listing alert definitions

* Introduce index for alert_definition table

* make ds object for expression to avoid panic

* wrap error

* Update pkg/services/ngalert/eval/eval.go

* Swith to backend.DataQuery

* Export TransformWrapper callback

* Fix lint issues

* Update pkg/services/ngalert/ngalert.go

Co-authored-by: Kyle Brandt <kyle@grafana.com>

* Validate alert definitions before storing them

* Introduce AlertQuery

* Add test

* Add QueryType in AlertQuery

* Accept only float64 (seconds) durations

* Apply suggestions from code review

* Get rid of bus

* Do not export symbols

* Fix failing test

* Fix failure due to service initialization order

Introduce MediumHigh service priority and assign it to backendplugin
service

* Fix test

* Apply suggestions from code review

* Fix renamed reference

Co-authored-by: Kyle Brandt <kyle@grafana.com>
2020-11-12 15:11:30 +02:00
a1e80af800 Fix linting issues (#28811)
Signed-off-by: Arve Knudsen <arve.knudsen@gmail.com>
2020-11-12 13:25:14 +01:00
676d393ec9 Chore: Fix issues reported by staticcheck; enable stylecheck linter (#28866)
* Chore: Fix issues reported by staticcheck

Signed-off-by: Arve Knudsen <arve.knudsen@gmail.com>

* Apply suggestions from code review

Co-authored-by: Emil Tullstedt <emil.tullstedt@grafana.com>
2020-11-05 15:37:11 +01:00
16c185c3b9 Chore: Drop xerrors dependency (#26718)
Signed-off-by: Arve Knudsen <arve.knudsen@gmail.com>
2020-07-31 09:45:20 +02:00
b97d1f4170 Provisioning: Fix bug when provision app plugins using Enterprise edition (#26340)
In OSS provisioning service init after plugin registration, but in
Enterprise it's the opposite order and installed app plugin check
fails. This adjusts service registry init priority to make sure plugins
are registered before provisioning inits.

Which issue(s) this PR fixes:
Fixes #26336
2020-07-16 10:36:08 +02:00
b5ca2381bc provide license token directly via plugin environment (#25987)
* provide license token directly via plugin environment
2020-07-01 13:02:53 -04:00
c0f3b2929c Backend plugins: Refactor to allow shared contract between core and external backend plugins (#25472)
Refactor to allow shared contract between core and external backend plugins 
allowing core backend data sources in Grafana to be implemented in same 
way as an external backend plugin.
Use v0.67.0 of sdk.
Add tests for verifying plugin is restarted when process is killed.
Enable strict linting for backendplugin packages
2020-06-11 16:14:05 +02:00
80e1191ca0 Backend Plugins: (breaking change) Add PluginContext (#23788)
* breaking change for newer backend plugins
* use exported protobuf converters and sdk types to reduce duplicate code
* uses grafana-plugin-sdk-go@v0.54.0
2020-04-23 14:08:21 -04:00
34266cd369 Backend Plugins: Plugin configuration using Grafana config (#23451)
Enables adding a section `plugin.<plugin id>` and key/value to
Grafana configuration file which will be converted and sent
as environment variables to the backend plugin.
Also sends some additional environment variables, Grafana
version (GF_VERSION), Grafana edition (GF_EDITION) and 
enterprise license path (GF_ENTERPRISE_LICENSE_PATH).

Co-authored-by: Arve Knudsen <arve.knudsen@gmail.com>

Fixes #21515,
2020-04-14 18:04:27 +02:00
a08cbbcc81 Instrument backend plugin requests (#23346) 2020-04-09 14:47:46 +02:00
60e3437fc1 Backend plugins: Exclude plugin metrics in Grafana's metrics endpoint (#22857)
Excludes backend plugin metrics in Grafana's metrics endpoint
Adds /api/:pluginId/metrics endpoint for retrieving metrics
from backend plugin as Prometheus text-based exposition format.

Fixes #22814
2020-03-18 12:08:20 +01:00
ebc9549cbc Add support for sending health check to datasource plugins. (#22771)
closes #21519
ref grafana/grafana-plugin-sdk-go#93
2020-03-13 12:31:44 +01:00
1dcfaf25fc Adds signed in user to backend v2 plugins requests (#22584)
closes #12043
2020-03-06 14:37:36 +01:00
4ff613a432 Backend Plugins: Support handling of streaming resource response (#22580)
Use v0.19.0 of SDK.
Support handling of streaming resource response.
Disable gzip/compression middleware for resources 
to allow chunked/streaming response to clients the gzip
middleware had to be disabled since it buffers the full
response before sending it to the client.

Closes #22569

Co-Authored-By: Arve Knudsen <arve.knudsen@gmail.com>
2020-03-06 01:44:07 +07:00
e6cec8dbdc Backend plugins: Prepare and clean request headers before resource calls (#22321)
Moves common request proxy utilities to proxyutil package with
support for removing X-Forwarded-Host, X-Forwarded-Port,
X-Forwarded-Proto headers, setting X-Forwarded-For header
and cleaning Cookie header.
Using the proxyutil package to prepare and clean request
headers before resource calls.

Closes #21512
2020-03-03 11:45:16 +01:00
0390b5601e Backend plugins: Implement support for resources (#21805)
Implements initial support for resources using v0.14.0 of SDK.

Ref #21512
2020-01-31 11:15:50 +01:00
5c711bfb79 Backend Plugins: Collect and expose metrics and plugin process health check (#21481)
Adds support for collecting metrics from backend plugins and 
exposing them thru Grafana's Prometheus metrics endpoint. 
Enables to check health of backend plugin by using the route
`/api/plugins/<plugin id>/health`.
Uses sdk v0.6.0.

Closes #20984
2020-01-15 13:10:48 +01:00
1a810ebfe4 Plugins: Move backend plugin manager to service (#21474)
Moves backend plugin manager to service instead of
global functions in backendplugin package.

Closes #20053
2020-01-13 20:18:45 +01:00
bb849d53bf Backend Plugins: Refactor backend plugin registration and start (#21452)
Moves the details of loading plugins into the backend
plugin manager from the respective plugin (datasource,
transform and renderer).
2020-01-13 17:13:17 +01:00
baba1634b8 Plugins: Use grafana-plugin-sdk-go v0.5.0 (#21116)
* fix dispense

* plugin loading refactor

Moves common functionality of registering, starting,
stopping and restarting backend plugins to
backendplugin package.

* simplify plugin descriptors

* target sdk v0.5.0

Co-authored-by: Kyle Brandt <kyle@kbrandt.com>
2020-01-08 11:43:28 -05:00