Update quick upgrade to remove unsupported options.

Upgrade mappings can now optionally support an upgrade to latest minor
version, and an upgrade to next major version.

Dropped the "minor_version" as it is already defined by the mapping key.

For 3.2 the minor upgrade playbook is the same as the major.

utils/src/ooinstall/cli_installer.py

@@ -828,46 +828,63 @@ def upgrade(ctx, latest_minor, next_major):
     oo_cfg = ctx.obj['oo_cfg']
     verbose = ctx.obj['verbose']
 
+    # major/minor fields are optional, as we don't always support minor/major
+    # upgrade for what you're currently running.
     upgrade_mappings = {
-                        '3.0':{
-                               'minor_version' :'3.0',
-                               'minor_playbook':'v3_0_minor/upgrade.yml',
-                               'major_version' :'3.1',
-                               'major_playbook':'v3_0_to_v3_1/upgrade.yml',
-                              },
                         '3.1':{
-                               'minor_version' :'3.1',
-                               'minor_playbook':'v3_1_minor/upgrade.yml',
                                'major_playbook':'v3_1_to_v3_2/upgrade.yml',
                                'major_version' :'3.2',
-                            }
+                            },
+                        '3.2':{
+                               'minor_playbook':'v3_1_to_v3_2/upgrade.yml',
+# Uncomment these when we're ready to support 3.3.
+#                               'major_version' :'3.3',
+#                               'major_playbook':'v3_1_to_v3_2/upgrade.yml',
+                            },
                        }
 
     if len(oo_cfg.hosts) == 0:
         click.echo("No hosts defined in: %s" % oo_cfg.config_path)
         sys.exit(1)
 
-    old_variant = oo_cfg.settings['variant']
+    variant = oo_cfg.settings['variant']
+    if find_variant(variant)[0] is None:
+        click.echo("%s is not a supported variant for upgrade." % variant)
+        sys.exit(0)
+
     old_version = oo_cfg.settings['variant_version']
     mapping = upgrade_mappings.get(old_version)
 
     message = """
         This tool will help you upgrade your existing OpenShift installation.
+        Currently running: %s %s
 """
-    click.echo(message)
+    click.echo(message % (variant, old_version))
 
+    # Map the dynamic upgrade options to the playbook to run for each.
+    # Index offset by 1.
+    # List contains tuples of booleans for (latest_minor, next_major)
+    selections = []
     if not (latest_minor or next_major):
-        click.echo("Version {} found. Do you want to update to the latest version of {} " \
-                   "or migrate to the next major release?".format(old_version, old_version))
-        response = click.prompt("(1) Update to latest {} " \
-                                "(2) Migrate to next release".format(old_version),
-                                type=click.Choice(['1', '2']),)
-        if response == "1":
-            latest_minor = True
-        if response == "2":
-            next_major = True
+        i = 0
+        if 'minor_playbook' in mapping:
+            click.echo("(%s) Update to latest %s" % (i + 1, old_version))
+            selections.append((True, False))
+            i += 1
+        if 'major_playbook' in mapping:
+            click.echo("(%s) Upgrade to next release: %s" % (i + 1, mapping['major_version']))
+            selections.append((False, True))
+            i += 1
+
+        response = click.prompt("\nChoose an option from above",
+                                type=click.Choice(list(map(str, range(1, len(selections) + 1)))))
+        latest_minor, next_major = selections[int(response) - 1]
 
     if next_major:
+        if 'major_playbook' not in mapping:
+            click.echo("No major upgrade supported for %s %s with this version "\
+                       "of atomic-openshift-utils." % (variant, version))
+            sys.exit(0)
         playbook = mapping['major_playbook']
         new_version = mapping['major_version']
         # Update config to reflect the version we're targetting, we'll write
@@ -877,11 +894,15 @@ def upgrade(ctx, latest_minor, next_major):
             oo_cfg.settings['variant'] = 'openshift-enterprise'
 
     if latest_minor:
+        if 'minor_playbook' not in mapping:
+            click.echo("No minor upgrade supported for %s %s with this version "\
+                       "of atomic-openshift-utils." % (variant, old_version))
+            sys.exit(0)
         playbook = mapping['minor_playbook']
-        new_version = mapping['minor_version']
+        new_version = old_version
 
-    click.echo("Openshift will be upgraded from %s %s to %s %s on the following hosts:\n" % (
-        old_variant, old_version, oo_cfg.settings['variant'], new_version))
+    click.echo("Openshift will be upgraded from %s %s to latest %s %s on the following hosts:\n" % (
+        variant, old_version, oo_cfg.settings['variant'], new_version))
     for host in oo_cfg.hosts:
         click.echo("  * %s" % host.connect_to)