Add Patroni updates for static_primary support

Dockerfile

@@ -146,7 +146,12 @@ RUN for postgisv in ${POSTGIS_VERSIONS}; do \
 # This need to be done after the PostgreSQL packages have been installed,
 # to ensure we have the preferred libpq installations etc.
 RUN apt-get install -y python3-etcd python3-requests python3-pystache python3-kubernetes python3-pysyncobj
-RUN apt-get install -y patroni
+RUN apt-get install -y patroni=2.1.3-\*
+# Patch Patroni code with changes from https://github.com/timescale/patroni/pull/1
+# NOTE: This is a temporary solution until changes land upstream.
+RUN wget -qO- https://raw.githubusercontent.com/timescale/patroni/v2.2.0-beta.1/patroni/ha.py > /usr/lib/python3/dist-packages/patroni/ha.py && \
+    wget -qO- https://raw.githubusercontent.com/timescale/patroni/v2.2.0-beta.1/patroni/config.py > /usr/lib/python3/dist-packages/patroni/config.py && \
+    wget -qO- https://raw.githubusercontent.com/timescale/patroni/v2.2.0-beta.1/patroni/validator.py > /usr/lib/python3/dist-packages/patroni/validator.py
 
 RUN for file in $(find /usr/share/postgresql -name 'postgresql.conf.sample'); do \
         # We want timescaledb to be loaded in this image by every created cluster