Merge pull request #78 from autometrics-dev/77-fix-latency-dashboard-query-to-use-build-info-fallback

Add build_info fallback to latency queries in Explorer dashboard

Author: brettimus

dashboards/Autometrics Function Explorer.json

@@ -349,7 +349,7 @@
             "uid": "${DS_PROMETHEUS}"
           },
           "editorMode": "code",
-          "expr": "label_replace(\n  histogram_quantile(0.99, \n    sum by (le, function, module, commit, version) (\n      rate(function_calls_duration_bucket{function=~\"$function\"}[$__rate_interval])\n      # Attach the `version` and `commit` labels from the `build_info` metric \n      * on (instance, job) group_left(version, commit) last_over_time(build_info[$__rate_interval])\n    )\n  ),\n  # Add the label {percentile_latency=\"99\"} to the time series\n  \"percentile_latency\", \"99\", \"\", \"\"\n)\nor\nlabel_replace(\n  histogram_quantile(0.95, \n    sum by (le, function, module, commit, version) (\n      rate(function_calls_duration_bucket{function=~\"$function\"}[$__rate_interval])\n      # Attach the `version` and `commit` labels from the `build_info` metric \n      * on (instance, job) group_left(version, commit) last_over_time(build_info[$__rate_interval])\n    )\n  ),\n  # Add the label {percentile_latency=\"95\"} to the time series\n  \"percentile_latency\", \"95\", \"\", \"\"\n)",
+          "expr": "label_replace(\n  histogram_quantile(0.99, \n    sum by (le, function, module, commit, version) (\n      rate(function_calls_duration_bucket{function=~\"$function\"}[$__rate_interval])\n      # Attach the `version` and `commit` labels from the `build_info` metric \n      * on(instance, job) group_left(version, commit) (last_over_time(build_info[$__rate_interval]) or on (instance, job) up)\n    )\n  ),\n  # Add the label {percentile_latency=\"99\"} to the time series\n  \"percentile_latency\", \"99\", \"\", \"\"\n)\nor\nlabel_replace(\n  histogram_quantile(0.95, \n    sum by (le, function, module, commit, version) (\n      rate(function_calls_duration_bucket{function=~\"$function\"}[$__rate_interval])\n      # Attach the `version` and `commit` labels from the `build_info` metric \n      * on(instance, job) group_left(version, commit) (last_over_time(build_info[$__rate_interval]) or on (instance, job) up)\n    )\n  ),\n  # Add the label {percentile_latency=\"95\"} to the time series\n  \"percentile_latency\", \"95\", \"\", \"\"\n)",
           "interval": "",
           "legendFormat": "",
           "range": true,