* Rename method applyTemplateVariables so it used by backend
* Zipkin: Move query running to backend
* Fix error source
* Hndle invalid query and return error response
* Zipkin: Run health check through backend
* Mark some errors as downstream
* Update pkg/tsdb/zipkin/zipkin.go
Co-authored-by: Will Browne <wbrowne@users.noreply.github.com>
* Use errors.New where error formatting is not needed
* Remove executable in plugin.json
* Fix joining the path
* Keep logger as global and then create from context
* Close the res body
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Co-authored-by: Will Browne <wbrowne@users.noreply.github.com>