deployment/docker/rules: update RequestErrorsToAPI alert definition

The alert requires path, but it may be absent from the metrics. Ignore metrics without path set

app/vmalert/config/testdata/rules/rules-replay-good.rules

@@ -18,7 +18,7 @@ groups:
     concurrency: 2
     rules:
       - alert: RequestErrorsToAPI
-        expr: increase(vm_http_request_errors_total[5m]) > 0
+        expr: increase(vm_http_request_errors_total{path=~".+"}[5m]) > 0
         for: 15m
         labels:
           severity: warning
@@ -37,4 +37,4 @@ groups:
           dashboard: "http://localhost:3000/d/wNf0q_kZk?viewPanel=67&var-instance={{ $labels.instance }}"
           summary: "Too many logs printed for job \"{{ $labels.job }}\" ({{ $labels.instance }})"
           description: "Logging rate for job \"{{ $labels.job }}\" ({{ $labels.instance }}) is {{ $value }} for last 15m.\n
-           Worth to check logs for specific error messages."
+           Worth to check logs for specific error messages."

deployment/docker/rules/alerts-cluster.yml

@@ -75,7 +75,7 @@ groups:
             Consider to limit the ingestion rate, decrease retention or scale the disk space if possible."
 
       - alert: RequestErrorsToAPI
-        expr: increase(vm_http_request_errors_total[5m]) > 0
+        expr: increase(vm_http_request_errors_total{path=~".+"}[5m]) > 0
         for: 15m
         labels:
           severity: warning
@@ -207,9 +207,9 @@ groups:
         annotations:
           summary: "IndexDB skipped registering items during data ingestion with reason={{ $labels.reason }}."
           description: |
-            VictoriaMetrics could skip registering new timeseries during ingestion if they fail the validation process. 
-            For example, `reason=too_long_item` means that time series cannot exceed 64KB. Please, reduce the number 
-            of labels or label values for such series. Or enforce these limits via `-maxLabelsPerTimeseries` and 
+            VictoriaMetrics could skip registering new timeseries during ingestion if they fail the validation process.
+            For example, `reason=too_long_item` means that time series cannot exceed 64KB. Please, reduce the number
+            of labels or label values for such series. Or enforce these limits via `-maxLabelsPerTimeseries` and
             `-maxLabelValueLen` command-line flags.
 
       - alert: TooManyTSIDMisses
@@ -223,4 +223,4 @@ groups:
             Unexpected TSID misses for \"{{ $labels.job }}\" ({{ $labels.instance }}) for the last 15 minutes.
             If this happens after unclean shutdown of VictoriaMetrics process (via \"kill -9\", OOM or power off),
             then this is OK - the alert must go away in a few minutes after the restart.
-            Otherwise this may point to the corruption of index data.
+            Otherwise this may point to the corruption of index data.

deployment/docker/rules/alerts-single-node.yml

@@ -75,7 +75,7 @@ groups:
             Consider to limit the ingestion rate, decrease retention or scale the disk space if possible."
 
       - alert: RequestErrorsToAPI
-        expr: increase(vm_http_request_errors_total[5m]) > 0
+        expr: increase(vm_http_request_errors_total{path=~".+"}[5m]) > 0
         for: 15m
         labels:
           severity: warning
@@ -173,9 +173,9 @@ groups:
         annotations:
           summary: "IndexDB skipped registering items during data ingestion with reason={{ $labels.reason }}."
           description: |
-            VictoriaMetrics could skip registering new timeseries during ingestion if they fail the validation process. 
-            For example, `reason=too_long_item` means that time series cannot exceed 64KB. Please, reduce the number 
-            of labels or label values for such series. Or enforce these limits via `-maxLabelsPerTimeseries` and 
+            VictoriaMetrics could skip registering new timeseries during ingestion if they fail the validation process.
+            For example, `reason=too_long_item` means that time series cannot exceed 64KB. Please, reduce the number
+            of labels or label values for such series. Or enforce these limits via `-maxLabelsPerTimeseries` and
             `-maxLabelValueLen` command-line flags.
 
       - alert: TooManyTSIDMisses
@@ -189,4 +189,4 @@ groups:
             Unexpected TSID misses for \"{{ $labels.job }}\" ({{ $labels.instance }}) for the last 15 minutes.
             If this happens after unclean shutdown of VictoriaMetrics process (via \"kill -9\", OOM or power off),
             then this is OK - the alert must go away in a few minutes after the restart.
-            Otherwise this may point to the corruption of index data.
+            Otherwise this may point to the corruption of index data.