From c70f629eda6caa61da27881b112dec9882df273d Mon Sep 17 00:00:00 2001
From: Lars Wirzenius <liw@liw.fi>
Date: Thu, 17 May 2018 18:52:50 +0300
Subject: Change: update Ansible inventory files, DNS zone; also on delete

---
 hetznertool | 40 +++++++++++++++++++++++++++++++++++++---
 1 file changed, 37 insertions(+), 3 deletions(-)

diff --git a/hetznertool b/hetznertool
index dc75e91..43360c2 100755
--- a/hetznertool
+++ b/hetznertool
@@ -115,6 +115,7 @@ def create_func(args):
             '--ssh-key', args['ssh_key'],
         )
     update_zone_file(args)
+    write_inventory_files(args)
 
 
 def list_func(args):
@@ -134,6 +135,8 @@ def delete_func(args):
             'deleting {} ({} in {})'.format(
                 domain, info['name'], args['context']))
         hcloud('server', 'delete', info['name'])
+    update_zone_file(args)
+    write_inventory_files(args)
 
 
 def update_zone_file(args):
@@ -181,6 +184,19 @@ $ORIGIN dev.qvarnlabs.eu.
             stream.write('{} IN A {}\n'.format(domain, info['ipv4']))
 
 
+def write_inventory_files(args):
+    dirname = args['ansible_inventory_dir']
+    for context in list_contexts():
+        use_context(context)
+        filename = os.path.join(dirname, 'hosts.{}'.format(context))
+        print('Writing Ansible inventory file {}'.format(filename))
+        with open(filename, 'w') as f:
+            for info in list_servers():
+                f.write(
+                    '{} ansible_ssh_host={}\n'.format(
+                        info['name'], info['ipv4']))
+
+
 def read_config():
     config = copy.deepcopy(default_config)
     filename = CONFIG_FILENAME
@@ -197,6 +213,10 @@ def create_parser(config):
     factory = parser.add_subparsers()
 
     create = factory.add_parser('create')
+    create.add_argument(
+        'context', help='hcloud context to create VMs in')
+    create.add_argument(
+        'specfile', help='file to read VM specifications from')
     create.add_argument(
         '--ssh-key',
         metavar='KEYNAME',
@@ -204,9 +224,11 @@ def create_parser(config):
         default=config['ssh-key'],
         help='create VM so it allow login via ssh key uploaded as KEYNAME')
     create.add_argument(
-        'context', help='hcloud context to create VMs in')
-    create.add_argument(
-        'specfile', help='file to read VM specifications from')
+        '--ansible-inventory-dir',
+        metavar='DIR',
+        required='ansible-inventory-dir' not in config,
+        default=config['ansible-inventory-dir'],
+        help='create Ansible inventory files in DIR')
     create.add_argument(
         '--dnszone-dir', default=config['dnszone-dir'],
         metavar='DIR', help='write DNS zone directory into DIR')
@@ -219,6 +241,18 @@ def create_parser(config):
     delete = factory.add_parser('delete')
     delete.add_argument(
         'context', help='hcloud context to delete all VMs from')
+    delete.add_argument(
+        '--ansible-inventory-dir',
+        metavar='DIR',
+        required='ansible-inventory-dir' not in config,
+        default=config['ansible-inventory-dir'],
+        help='create Ansible inventory files in DIR')
+    delete.add_argument(
+        '--dnszone-dir', default=config['dnszone-dir'],
+        metavar='DIR', help='write DNS zone directory into DIR')
+    delete.add_argument(
+        '--dnszone-file', default=config['dnszone-file'],
+        metavar='FILE', help='write DNS zone directory into FILE')
 
     create.set_defaults(func=create_func)
     servers.set_defaults(func=list_func)
-- 
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