feat: prometheus fallback_scrape_protocol support (#4373)

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
SchemaStore · Jan 21, 2025 · db84bf0 · db84bf0
1 parent f2ebca8
commit db84bf0
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diff --git a/src/schemas/json/prometheus.json b/src/schemas/json/prometheus.json
@@ -1152,6 +1152,17 @@
             "$ref": "#/definitions/duration",
             "description": "Per-scrape timeout when scraping this job. Defaults to `global.scrape_timeout`."
           },
+          "fallback_scrape_protocol": {
+            "description": "Fallback protocol to use if a scrape returns blank, unparsable, or otherwise invalid Content-Type.",
+            "type": ["string", "null"],
+            "enum": [
+              "OpenMetricsText0.0.1",
+              "OpenMetricsText1.0.0",
+              "PrometheusProto",
+              "PrometheusText0.0.4",
+              "PrometheusText1.0.0"
+            ]
+          },
           "metrics_path": {
             "description": "The HTTP resource path on which to fetch metrics from targets.",
             "type": ["string", "null"],

diff --git a/src/test/prometheus/prometheus.json b/src/test/prometheus/prometheus.json
@@ -73,6 +73,7 @@
   "scrape_configs": [
     {
       "bearer_token_file": "valid_token_file",
+      "fallback_scrape_protocol": "PrometheusText0.0.4",
       "file_sd_configs": [
         {
           "files": ["foo/*.slow.json", "foo/*.slow.yml", "single/file.yml"],