Bump ulimit for operator

Author: Joshua Sierles

build/postgres-operator/Dockerfile

@@ -50,17 +50,18 @@ LABEL name="Percona Postgres Operator" \
       description="Percona Postgres Operator simplifies and automates all essential actions for stable and continuous database operation during the whole database lifecycle" \
       maintainer="Percona Development <[email protected]>"
 
-
 COPY licenses /licenses
 
 COPY --from=go_builder /usr/local/bin/postgres-operator /usr/local/bin
 COPY --from=go_builder /usr/local/bin/extension-installer /usr/local/bin
 COPY --from=go_builder /licenses /licenses
 COPY build/postgres-operator/install-extensions.sh /usr/local/bin
 COPY hack/tools/queries /opt/crunchy/conf
+COPY operator-wrapper.sh /usr/local/bin/operator-wrapper.sh
 
-RUN chgrp -R 0 /opt/crunchy/conf && chmod -R g=u opt/crunchy/conf
+RUN chgrp -R 0 /opt/crunchy/conf && chmod -R g=u opt/crunchy/conf && \
+    chmod +x /usr/local/bin/operator-wrapper.sh
 
 USER 2
 
-CMD ["postgres-operator"]
+ENTRYPOINT ["/usr/local/bin/operator-wrapper.sh"]

config/manager/manager.yaml

@@ -11,6 +11,7 @@ spec:
       containers:
       - name: operator
         image: postgres-operator
+        command: ["/usr/local/bin/operator-wrapper.sh"]
         env:
         - name: PGO_NAMESPACE
           valueFrom:

operator-wrapper.sh

@@ -0,0 +1,7 @@
+#!/bin/bash
+
+# Set ulimit before starting the operator
+ulimit -n 1000000
+
+# Start the operator
+exec /usr/local/bin/postgres-operator "$@"