Merge "Add compass-tasks"

1 files changed, 204 insertions, 0 deletions

diff --git a/compass-tasks/db/callback.py b/compass-tasks/db/callback.py
new file mode 100644
index 0000000..35798bc
--- /dev/null
+++ b/compass-tasks/db/callback.py
@@ -0,0 +1,204 @@
+# Copyright 2014 Huawei Technologies Co. Ltd
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""Metadata Callback methods."""
+import logging
+import netaddr
+import random
+import re
+import socket
+
+from compass.db import exception
+from compass.utils import setting_wrapper as setting
+from compass.utils import util
+
+
+CALLBACK_GLOBALS = globals()
+CALLBACK_LOCALS = locals()
+CALLBACK_CONFIGS = util.load_configs(
+    setting.CALLBACK_DIR,
+    config_name_suffix='.py',
+    env_globals=CALLBACK_GLOBALS,
+    env_locals=CALLBACK_LOCALS
+)
+for callback_config in CALLBACK_CONFIGS:
+    CALLBACK_LOCALS.update(callback_config)
+
+
+def default_proxy(name, **kwargs):
+    return setting.COMPASS_SUPPORTED_PROXY
+
+
+def proxy_options(name, **kwargs):
+    return [setting.COMPASS_SUPPORTED_PROXY]
+
+
+def default_noproxy(name, **kwargs):
+    return setting.COMPASS_SUPPORTED_DEFAULT_NOPROXY
+
+
+def noproxy_options(name, **kwargs):
+    return setting.COMPASS_SUPPORTED_DEFAULT_NOPROXY
+
+
+def default_ntp_server(name, **kwargs):
+    return setting.COMPASS_SUPPORTED_NTP_SERVER
+
+
+def ntp_server_options(name, **kwargs):
+    return setting.COMPASS_SUPPORTED_NTP_SERVER
+
+
+def default_dns_servers(name, **kwargs):
+    return setting.COMPASS_SUPPORTED_DNS_SERVERS
+
+
+def dns_servers_options(name, **kwargs):
+    return setting.COMPASS_SUPPORTED_DNS_SERVERS
+
+
+def default_domain(name, **kwargs):
+    if setting.COMPASS_SUPPORTED_DOMAINS:
+        return setting.COMPASS_SUPPORTED_DOMAINS[0]
+    else:
+        return None
+
+
+def domain_options(name, **kwargs):
+    return setting.COMPASS_SUPPORTED_DOMAINS
+
+
+def default_search_path(name, **kwargs):
+    return setting.COMPASS_SUPPORTED_DOMAINS
+
+
+def search_path_options(name, **kwargs):
+    return setting.COMPASS_SUPPORTED_DOMAINS
+
+
+def default_gateway(name, **kwargs):
+    return setting.COMPASS_SUPPORTED_DEFAULT_GATEWAY
+
+
+def default_gateway_options(name, **kwargs):
+    return [setting.COMPASS_SUPPORTED_DEFAULT_GATEWAY]
+
+
+def default_localrepo(name, **kwargs):
+    return setting.COMPASS_SUPPORTED_LOCAL_REPO
+
+
+def default_localrepo_options(name, **kwargs):
+    return [setting.COMPASS_SUPPORTED_LOCAL_REPO]
+
+
+def autofill_callback_default(name, config, **kwargs):
+    if config is None:
+        if (
+            'autofill_types' not in kwargs or
+            not (set(kwargs['autofill_types']) & set(kwargs))
+        ):
+            return None
+        if 'default_value' not in kwargs:
+            return None
+        return kwargs['default_value']
+    return config
+
+
+def autofill_callback_random_option(name, config, **kwargs):
+    if config is None:
+        if (
+            'autofill_types' not in kwargs or
+            not (set(kwargs['autofill_types']) & set(kwargs))
+        ):
+            return None
+        if 'options' not in kwargs or not kwargs['options']:
+            return None
+        return random.choice(kwargs['options'])
+    return config
+
+
+def autofill_no_proxy(name, config, **kwargs):
+    logging.debug(
+        'autofill %s config %s by params %s',
+        name, config, kwargs
+    )
+    if 'cluster' in kwargs:
+        if config is None:
+            config = []
+        if 'default_value' in kwargs:
+            for default_no_proxy in kwargs['default_value']:
+                if default_no_proxy and default_no_proxy not in config:
+                    config.append(default_no_proxy)
+        cluster = kwargs['cluster']
+        for clusterhost in cluster.clusterhosts:
+            host = clusterhost.host
+            hostname = host.name
+            if hostname not in config:
+                config.append(hostname)
+            for host_network in host.host_networks:
+                if host_network.is_mgmt:
+                    ip = host_network.ip
+                    if ip not in config:
+                        config.append(ip)
+    if not config:
+        return config
+    return [no_proxy for no_proxy in config if no_proxy]
+
+
+def autofill_network_mapping(name, config, **kwargs):
+    logging.debug(
+        'autofill %s config %s by params %s',
+        name, config, kwargs
+    )
+    if not config:
+        return config
+    if isinstance(config, basestring):
+        config = {
+            'interface': config,
+            'subnet': None
+        }
+    if not isinstance(config, dict):
+        return config
+    if 'interface' not in config:
+        return config
+    subnet = None
+    interface = config['interface']
+    if 'cluster' in kwargs:
+        cluster = kwargs['cluster']
+        for clusterhost in cluster.clusterhosts:
+            host = clusterhost.host
+            for host_network in host.host_networks:
+                if host_network.interface == interface:
+                    subnet = host_network.subnet.subnet
+    elif 'clusterhost' in kwargs:
+        clusterhost = kwargs['clusterhost']
+        host = clusterhost.host
+        for host_network in host.host_networks:
+            if host_network.interface == interface:
+                subnet = host_network.subnet.subnet
+    if not subnet:
+        raise exception.InvalidParameter(
+            'interface %s not found in host(s)' % interface
+        )
+    if 'subnet' not in config or not config['subnet']:
+        config['subnet'] = subnet
+    else:
+        if config['subnet'] != subnet:
+            raise exception.InvalidParameter(
+                'subnet %s in config is not equal to subnet %s in hosts' % (
+                    config['subnet'], subnet
+                )
+            )
+    return config