Workaround issue with Prometheus 3.0 and bookie metrics

Author: lhotari

charts/pulsar/templates/autorecovery-podmonitor.yaml

@@ -30,6 +30,8 @@ metadata:
     heritage: {{ .Release.Service }}
 spec:
   jobLabel: recovery
+  # workaround for https://github.com/apache/bookkeeper/pull/4208  
+  fallbackScrapeProtocol: PrometheusText0.0.4
   podMetricsEndpoints:
     - port: http
       path: /metrics

charts/pulsar/templates/bookkeeper-podmonitor.yaml

@@ -30,6 +30,8 @@ metadata:
     heritage: {{ .Release.Service }}
 spec:
   jobLabel: bookie
+  # workaround for https://github.com/apache/bookkeeper/pull/4208  
+  fallbackScrapeProtocol: PrometheusText0.0.4
   podMetricsEndpoints:
     - port: http
       path: /metrics