Automatically forward core plugin request HTTP headers in outgoing HTTP requests.
Core datasource plugin authors don't have to specifically handle forwarding of HTTP
headers, e.g. do not have to "hardcode" the header-names in the datasource plugin,
if not having custom needs.
Fixes#57065
* converter: remove __name__ customization because Loki does not do that
Loki does not handle __name__ in a special way.
for Prometheus, the caller can implement the formatting
by themselves
* converter: change labels-formatting
the labels.String() method does not handle strange values well
* loki: backend: use streaming-json parser
* more idiomatic code
Co-authored-by: Todd Treece <360020+toddtreece@users.noreply.github.com>
* simpler row-length check
* simpler code
* fixed converter/prom tests
Co-authored-by: Todd Treece <360020+toddtreece@users.noreply.github.com>
* converter: remove __name__ customization because Loki does not do that
Loki does not handle __name__ in a special way.
for Prometheus, the caller can implement the formatting
by themselves
* converter: change labels-formatting
the labels.String() method does not handle strange values well
* loki: backend: use streaming-json parser
* more idiomatic code
Co-authored-by: Todd Treece <360020+toddtreece@users.noreply.github.com>
* simpler row-length check
* simpler code
Co-authored-by: Todd Treece <360020+toddtreece@users.noreply.github.com>
* loki: add helper function to sort dataframe by time
* loki: add direction-attribute to queries
* loki: make log-row-context code backward-compatible
* better comment
Co-authored-by: Ivana Huckova <30407135+ivanahuckova@users.noreply.github.com>
* fixed test
* simplified code
Co-authored-by: Ivana Huckova <30407135+ivanahuckova@users.noreply.github.com>
