Install local_flux chart by default.

This is currenly needed to install OAS apps, so it shouldn't be configurable.

Fixes: #413

ansible/group_vars/all/oas.yml

@@ -57,3 +57,8 @@ cert_manager:
 
 prometheus:
   crd_version: 'v0.34.0'
+
+# Let the auto-update mechanism (flux) follow a cluster-local git repo,
+# not one hosted on open.greenhost.net.
+# Currently needed in order to deploy OAS applications.
+local_flux: true

openappstack/cluster.py

@@ -41,9 +41,6 @@ class Cluster:
         self.domain = None
         # By default, use Let's Encrypt's live environment
         self.acme_staging = False
-        # Let the auto-update mechanism (flux) follow a cluster-local git repo,
-        # not one hosted on open.greenhost.net.
-        self.local_flux = True
         # Set this to False if the data needs to be (re)loaded from file
         self.data_loaded = False
         # Load data from inventory.yml and settings.yml
@@ -150,7 +147,6 @@ class Cluster:
         settings['domain'] = self.domain
         settings['admin_email'] = 'admin@{0}'.format(self.domain)
         settings['acme_staging'] = self.acme_staging
-        settings['local_flux'] = self.local_flux
         settings['cluster_dir'] = self.cluster_dir
 
         file_contents = yaml.safe_dump(settings, default_flow_style=False)