From 7520bac8ce163d819690d83eb24fdc037ccdcf0e Mon Sep 17 00:00:00 2001 From: jctanner Date: Tue, 7 Jan 2014 07:10:31 -0800 Subject: [PATCH] Merge pull request #5404 from sivel/rax-improvements rax module: improvements --- library/cloud/rax | 161 ++++++++++++++++++++++++++++++++-------------- 1 file changed, 112 insertions(+), 49 deletions(-) diff --git a/library/cloud/rax b/library/cloud/rax index d67802ce1e0..03e99ea2a90 100644 --- a/library/cloud/rax +++ b/library/cloud/rax @@ -26,6 +26,13 @@ options: api_key: description: - Rackspace API key (overrides I(credentials)) + auto_increment: + description: + - Whether or not to increment a single number with the name of the + created servers. Only applicable when used with the I(group) attribute + or meta key. + default: yes + version_added: 1.5 count: description: - number of instances to launch @@ -147,6 +154,26 @@ EXAMPLES = ''' networks: - private - public + register: rax + +- name: Build an exact count of cloud servers with incremented names + hosts: local + gather_facts: False + tasks: + - name: Server build requests + local_action: + module: rax + credentials: ~/.raxpub + name: test%03d.example.org + flavor: performance1-1 + image: ubuntu-1204-lts-precise-pangolin + state: present + count: 10 + count_offset: 10 + exact_count: yes + group: test + wait: yes + register: rax ''' import sys @@ -199,7 +226,7 @@ def create(module, names, flavor, image, meta, key_name, files, lpath = os.path.expanduser(files[rpath]) try: fileobj = open(lpath, 'r') - files[rpath] = fileobj + files[rpath] = fileobj.read() except Exception, e: module.fail_json(msg='Failed to load %s' % lpath) try: @@ -347,7 +374,8 @@ def delete(module, instance_ids, wait, wait_timeout): def cloudservers(module, state, name, flavor, image, meta, key_name, files, wait, wait_timeout, disk_config, count, group, - instance_ids, exact_count, networks, count_offset): + instance_ids, exact_count, networks, count_offset, + auto_increment): cs = pyrax.cloudservers cnw = pyrax.cloud_networks servers = [] @@ -358,6 +386,15 @@ def cloudservers(module, state, name, flavor, image, meta, key_name, files, elif 'group' in meta and group is None: group = meta['group'] + # When using state=absent with group, the absent block won't match the + # names properly. Use the exact_count functionality to decrease the count + # to the desired level + was_absent = False + if group is not None and state == 'absent': + exact_count = True + state = 'present' + was_absent = True + # Check if the provided image is a UUID and if not, search for an # appropriate image using human_id and name if image: @@ -416,27 +453,43 @@ def cloudservers(module, state, name, flavor, image, meta, key_name, files, module.fail_json(msg='"group" must be provided when using ' '"exact_count"') else: - numbers = set() + if auto_increment: + numbers = set() - try: - name % 0 - except TypeError, e: - if e.message.startswith('not all'): - name = '%s%%d' % name + try: + name % 0 + except TypeError, e: + if e.message.startswith('not all'): + name = '%s%%d' % name + else: + module.fail_json(msg=e.message) + + pattern = re.sub(r'%\d+[sd]', r'(\d+)', name) + for server in cs.servers.list(): + if server.metadata.get('group') == group: + servers.append(server) + match = re.search(pattern, server.name) + if match: + number = int(match.group(1)) + numbers.add(number) + + number_range = xrange(count_offset, count_offset + count) + available_numbers = list(set(number_range) + .difference(numbers)) + else: + for server in cs.servers.list(): + if server.metadata.get('group') == group: + servers.append(server) + + # If state was absent but the count was changed, + # assume we only wanted to remove that number of instances + if was_absent: + diff = len(servers) - count + if diff < 0: + count = 0 else: - module.fail_json(msg=e.message) + count = diff - pattern = re.sub(r'%\d+[sd]', r'(\d+)', name) - for server in cs.servers.list(): - if server.metadata.get('group') == group: - servers.append(server) - match = re.search(pattern, server.name) - if match: - number = int(match.group(1)) - numbers.add(number) - - number_range = xrange(count_offset, count_offset + count) - available_numbers = list(set(number_range).difference(numbers)) if len(servers) > count: state = 'absent' del servers[:count] @@ -445,45 +498,52 @@ def cloudservers(module, state, name, flavor, image, meta, key_name, files, instance_ids.append(server.id) delete(module, instance_ids, wait, wait_timeout) elif len(servers) < count: - names = [] - numbers_to_use = available_numbers[:count - len(servers)] - for number in numbers_to_use: - names.append(name % number) + if auto_increment: + names = [] + name_slice = count - len(servers) + numbers_to_use = available_numbers[:name_slice] + for number in numbers_to_use: + names.append(name % number) + else: + names = [name] * (count - len(servers)) else: module.exit_json(changed=False, action=None, instances=[], success=[], error=[], timeout=[], instance_ids={'instances': [], 'success': [], 'error': [], 'timeout': []}) - else: if group is not None: - numbers = set() + if auto_increment: + numbers = set() - try: - name % 0 - except TypeError, e: - if e.message.startswith('not all'): - name = '%s%%d' % name - else: - module.fail_json(msg=e.message) + try: + name % 0 + except TypeError, e: + if e.message.startswith('not all'): + name = '%s%%d' % name + else: + module.fail_json(msg=e.message) - pattern = re.sub(r'%\d+[sd]', r'(\d+)', name) - for server in cs.servers.list(): - if server.metadata.get('group') == group: - servers.append(server) - match = re.search(pattern, server.name) - if match: - number = int(match.group(1)) - numbers.add(number) + pattern = re.sub(r'%\d+[sd]', r'(\d+)', name) + for server in cs.servers.list(): + if server.metadata.get('group') == group: + servers.append(server) + match = re.search(pattern, server.name) + if match: + number = int(match.group(1)) + numbers.add(number) - number_range = xrange(count_offset, - count_offset + count + len(numbers)) - available_numbers = list(set(number_range).difference(numbers)) - names = [] - numbers_to_use = available_numbers[:count] - for number in numbers_to_use: - names.append(name % number) + number_range = xrange(count_offset, + count_offset + count + len(numbers)) + available_numbers = list(set(number_range) + .difference(numbers)) + names = [] + numbers_to_use = available_numbers[:count] + for number in numbers_to_use: + names.append(name % number) + else: + names = [name] * count else: search_opts = { 'name': name, @@ -552,6 +612,7 @@ def main(): argument_spec = rax_argument_spec() argument_spec.update( dict( + auto_increment=dict(choices=BOOLEANS, default=True, type='bool'), count=dict(default=1, type='int'), count_offset=dict(default=1, type='int'), disk_config=dict(default='auto', choices=['auto', 'manual']), @@ -584,6 +645,7 @@ def main(): 'please remove "service: cloudservers" from your ' 'playbook pertaining to the "rax" module') + auto_increment = module.params.get('auto_increment') count = module.params.get('count') count_offset = module.params.get('count_offset') disk_config = module.params.get('disk_config').upper() @@ -605,7 +667,8 @@ def main(): cloudservers(module, state, name, flavor, image, meta, key_name, files, wait, wait_timeout, disk_config, count, group, - instance_ids, exact_count, networks, count_offset) + instance_ids, exact_count, networks, count_offset, + auto_increment) # import module snippets