Update Patroni and timescaledb versions (#912)

* Patroni 3.1.0, timescaledb 2.11.2
* Align with the new Patroni code API

postgres-appliance/Dockerfile

@@ -1,6 +1,6 @@
 ARG BASE_IMAGE=ubuntu:22.04
 ARG PGVERSION=15
-ARG TIMESCALEDB="1.7.5 2.3.1 2.11.1"
+ARG TIMESCALEDB="1.7.5 2.3.1 2.11.2"
 ARG DEMO=false
 ARG COMPRESS=false
 ARG ADDITIONAL_LOCALES=
@@ -77,7 +77,7 @@ COPY --from=dependencies-builder /builddeps/wal-g /usr/local/bin/
 COPY build_scripts/patroni_wale.sh build_scripts/compress_build.sh /builddeps/
 
 # Install patroni and wal-e
-ENV PATRONIVERSION=3.0.2
+ENV PATRONIVERSION=3.1.0
 ENV WALE_VERSION=1.1.1
 
 WORKDIR /

postgres-appliance/major_upgrade/inplace_upgrade.py

@@ -130,21 +130,22 @@ def check_patroni_api(self, member):
             return logger.error('API request to %s name failed: %r', member.name, e)
 
     def toggle_pause(self, paused):
+        from patroni.config import get_global_config
         from patroni.utils import polling_loop
 
         cluster = self.dcs.get_cluster()
         config = cluster.config.data.copy()
-        if cluster.is_paused() == paused:
+        if get_global_config(cluster).is_paused == paused:
             return logger.error('Cluster is %spaused, can not continue', ('' if paused else 'not '))
 
         config['pause'] = paused
-        if not self.dcs.set_config_value(json.dumps(config, separators=(',', ':')), cluster.config.index):
+        if not self.dcs.set_config_value(json.dumps(config, separators=(',', ':')), cluster.config.version):
             return logger.error('Failed to pause cluster, can not continue')
 
         self.paused = paused
 
         old = {m.name: m.index for m in cluster.members if m.api_url}
-        ttl = cluster.config.data.get('ttl', self.dcs.ttl)
+        ttl = config.get('ttl', self.dcs.ttl)
         for _ in polling_loop(ttl + 1):
             cluster = self.dcs.get_cluster()
             if all(m.data.get('pause', False) == paused for m in cluster.members if m.name in old):
@@ -202,13 +203,15 @@ def ensure_replica_state(member):
         return all(ensure_replica_state(member) for member in cluster.members if member.name != self.postgresql.name)
 
     def sanity_checks(self, cluster):
+        from patroni.config import get_global_config
+
         if not cluster.initialize:
             return logger.error('Upgrade can not be triggered because the cluster is not initialized')
 
         if len(cluster.members) != self.replica_count:
             return logger.error('Upgrade can not be triggered because the number of replicas does not match (%s != %s)',
                                 len(cluster.members), self.replica_count)
-        if cluster.is_paused():
+        if get_global_config(cluster).is_paused:
             return logger.error('Upgrade can not be triggered because Patroni is in maintenance mode')
 
         lock_owner = cluster.leader and cluster.leader.name