Merge "Add support to sysinv-conductor to update static images"

sysinv/sysinv/sysinv/sysinv/common/constants.py

@@ -1560,6 +1560,8 @@ ANSIBLE_KUBE_PUSH_IMAGES_PLAYBOOK = \
     '/usr/share/ansible/stx-ansible/playbooks/push_k8s_images.yml'
 ANSIBLE_PLATFORM_BACKUP_PLAYBOOK = \
     '/usr/share/ansible/stx-ansible/playbooks/backup.yml'
+ANSIBLE_KUBE_STATIC_IMAGES_PLAYBOOK = \
+    '/usr/share/ansible/stx-ansible/playbooks/upgrade-static-images.yml'
 
 # Clock synchronization types
 NTP = 'ntp'

sysinv/sysinv/sysinv/sysinv/conductor/manager.py

@@ -5354,6 +5354,7 @@ class ConductorManager(service.PeriodicService):
         LOG.info("Tiller deployment has been patched")
 
     def _upgrade_downgrade_kube_components(self):
+        self._upgrade_downgrade_static_images()
         self._upgrade_downgrade_tiller()
         self._upgrade_downgrade_kube_networking()
 
@@ -5498,6 +5499,46 @@ class ConductorManager(service.PeriodicService):
 
         return True
 
+    @retry(retry_on_result=lambda x: x is False,
+           wait_fixed=(CONF.conductor.kube_upgrade_downgrade_retry_interval * 1000))
+    def _upgrade_downgrade_static_images(self):
+        try:
+            # Get the kubernetes version from the upgrade table
+            # if an upgrade exists
+            kube_upgrade = self.dbapi.kube_upgrade_get_one()
+            kube_version = \
+                kubernetes.get_kube_networking_upgrade_version(kube_upgrade)
+        except exception.NotFound:
+            # Not upgrading kubernetes, get the kubernetes version
+            # from the kubeadm config map
+            kube_version = self._kube.kube_get_kubernetes_version()
+
+        if not kube_version:
+            LOG.error("Unable to get the current kubernetes version.")
+            return False
+
+        try:
+            LOG.info("_upgrade_downgrade_kube_static_images executing"
+                     " playbook: %s for version %s" %
+                     (constants.ANSIBLE_KUBE_STATIC_IMAGES_PLAYBOOK, kube_version))
+
+            proc = subprocess.Popen(
+                ['ansible-playbook', '-e', 'kubernetes_version=%s' % kube_version,
+                 constants.ANSIBLE_KUBE_STATIC_IMAGES_PLAYBOOK],
+                stdout=subprocess.PIPE)
+            out, _ = proc.communicate()
+
+            LOG.info("ansible-playbook: %s." % out)
+
+            if proc.returncode:
+                raise Exception("ansible-playbook returned an error: %s" % proc.returncode)
+        except Exception as e:
+            LOG.error("Failed to upgrade/downgrade kubernetes "
+                      "static images: {}".format(e))
+            return False
+
+        return True
+
     def check_nodes_stable(self):
         hosts = self.dbapi.ihost_get_list()
         if (utils.is_host_simplex_controller(hosts[0]) and