blob: afdfe94fea6cf87899014976f65738ac7e56caf1 [file] [log] [blame]
Scott Baker7a327592016-06-20 17:34:06 -07001import hashlib
2import os
3import socket
4import sys
5import base64
6import time
7import re
8import json
9from collections import OrderedDict
10from django.db.models import F, Q
11from xos.config import Config
Sapan Bhatia67d37012017-01-24 19:32:59 +010012from synchronizers.base.ansible_helper import run_template
Scott Baker7a327592016-06-20 17:34:06 -070013from synchronizers.base.syncstep import SyncStep
Sapan Bhatia67d37012017-01-24 19:32:59 +010014from synchronizers.base.ansible_helper import run_template_ssh
Scott Baker7a327592016-06-20 17:34:06 -070015from synchronizers.base.SyncInstanceUsingAnsible import SyncInstanceUsingAnsible
16from core.models import Service, Slice, Controller, ControllerSlice, ControllerUser, Node, TenantAttribute, Tag
17from services.onos.models import ONOSService, ONOSApp
18from xos.logger import Logger, logging
Scott Baker7a327592016-06-20 17:34:06 -070019
20# hpclibrary will be in steps/..
21parentdir = os.path.join(os.path.dirname(__file__),"..")
22sys.path.insert(0,parentdir)
23
24logger = Logger(level=logging.INFO)
25
Matteo Scandolo0d41a862016-09-01 13:21:41 -070026
Scott Baker7a327592016-06-20 17:34:06 -070027class SyncONOSApp(SyncInstanceUsingAnsible):
28 provides=[ONOSApp]
29 observes=ONOSApp
30 requested_interval=0
31 template_name = "sync_onosapp.yaml"
32 #service_key_name = "/opt/xos/synchronizers/onos/onos_key"
33
34 def __init__(self, *args, **kwargs):
35 super(SyncONOSApp, self).__init__(*args, **kwargs)
36
37 def fetch_pending(self, deleted):
38 if (not deleted):
39 objs = ONOSApp.get_tenant_objects().filter(Q(enacted__lt=F('updated')) | Q(enacted=None),Q(lazy_blocked=False))
40 else:
41 objs = ONOSApp.get_deleted_tenant_objects()
42
43 return objs
44
45 def get_instance(self, o):
46 # We assume the ONOS service owns a slice, so pick one of the instances
47 # inside that slice to sync to.
48
49 serv = self.get_onos_service(o)
50
51 if serv.no_container:
52 raise Exception("get_instance() was called on a service that was marked no_container")
53
54 if serv.slices.exists():
55 slice = serv.slices.all()[0]
56 if slice.instances.exists():
57 return slice.instances.all()[0]
58
59 return None
60
61 def get_onos_service(self, o):
62 if not o.provider_service:
63 return None
64
65 onoses = ONOSService.get_service_objects().filter(id=o.provider_service.id)
66 if not onoses:
67 return None
68
69 return onoses[0]
70
71 def is_no_container(self, o):
72 return self.get_onos_service(o).no_container
73
74 def skip_ansible_fields(self, o):
75 return self.is_no_container(o)
76
77 def get_files_dir(self, o):
78 if not hasattr(Config(), "observer_steps_dir"):
79 # make steps_dir mandatory; there's no valid reason for it to not
80 # be defined.
81 raise Exception("observer_steps_dir is not defined in config file")
82
83 step_dir = Config().observer_steps_dir
84
85 return os.path.join(step_dir, "..", "files", str(self.get_onos_service(o).id), o.name)
86
87 def get_cluster_configuration(self, o):
88 instance = self.get_instance(o)
89 if not instance:
90 raise Exception("No instance for ONOS App")
91 node_ips = [socket.gethostbyname(instance.node.name)]
92
93 ipPrefix = ".".join(node_ips[0].split(".")[:3]) + ".*"
94 result = '{ "nodes": ['
95 result = result + ",".join(['{ "ip": "%s"}' % ip for ip in node_ips])
96 result = result + '], "ipPrefix": "%s"}' % ipPrefix
97 return result
98
99 def get_dynamic_parameter_value(self, o, param):
100 instance = self.get_instance(o)
101 if not instance:
102 raise Exception("No instance for ONOS App")
103 if param == 'rabbit_host':
104 return instance.controller.rabbit_host
105 if param == 'rabbit_user':
106 return instance.controller.rabbit_user
107 if param == 'rabbit_password':
108 return instance.controller.rabbit_password
109 if param == 'keystone_tenant_id':
110 cslice = ControllerSlice.objects.get(slice=instance.slice)
111 if not cslice:
112 raise Exception("Controller slice object for %s does not exist" % instance.slice.name)
113 return cslice.tenant_id
114 if param == 'keystone_user_id':
115 cuser = ControllerUser.objects.get(user=instance.creator)
116 if not cuser:
117 raise Exception("Controller user object for %s does not exist" % instance.creator)
118 return cuser.kuser_id
119
Scott Baker7a327592016-06-20 17:34:06 -0700120 def write_configs(self, o):
121 o.config_fns = []
122 o.rest_configs = []
123 o.component_configs = []
124 o.files_dir = self.get_files_dir(o)
125
126 if not os.path.exists(o.files_dir):
127 os.makedirs(o.files_dir)
128
129 # Combine the service attributes with the tenant attributes. Tenant
130 # attribute can override service attributes.
131 attrs = o.provider_service.serviceattribute_dict
132 attrs.update(o.tenantattribute_dict)
133
134 ordered_attrs = attrs.keys()
135
136 onos = self.get_onos_service(o)
137 if onos.node_key:
138 file(os.path.join(o.files_dir, "node_key"),"w").write(onos.node_key)
139 o.node_key_fn="node_key"
140 else:
141 o.node_key_fn=None
142
143 o.early_rest_configs=[]
144 if ("cordvtn" in o.dependencies) and (not self.is_no_container(o)):
145 # For VTN, since it's running in a docker host container, we need
146 # to make sure it configures the cluster using the right ip addresses.
147 # NOTE: rest_onos/v1/cluster/configuration/ will reboot the cluster and
148 # must go first.
149 name="rest_onos/v1/cluster/configuration/"
150 value= self.get_cluster_configuration(o)
151 fn = name[5:].replace("/","_")
152 endpoint = name[5:]
153 file(os.path.join(o.files_dir, fn),"w").write(" " +value)
154 o.early_rest_configs.append( {"endpoint": endpoint, "fn": fn} )
155
Scott Baker7a327592016-06-20 17:34:06 -0700156 for name in attrs.keys():
157 value = attrs[name]
158 if name.startswith("config_"):
159 fn = name[7:] # .replace("_json",".json")
160 o.config_fns.append(fn)
161 file(os.path.join(o.files_dir, fn),"w").write(value)
162 if name.startswith("rest_"):
163 fn = name[5:].replace("/","_")
164 endpoint = name[5:]
165 # Ansible goes out of it's way to make our life difficult. If
166 # 'lookup' sees a file that it thinks contains json, then it'll
167 # insist on parsing and return a json object. We just want
168 # a string, so prepend a space and then strip the space off
169 # later.
170 file(os.path.join(o.files_dir, fn),"w").write(" " +value)
171 o.rest_configs.append( {"endpoint": endpoint, "fn": fn} )
172 if name.startswith("component_config"):
173 components = json.loads(value,object_pairs_hook=OrderedDict)
174 for component in components.keys():
175 config = components[component]
176 for key in config.keys():
177 config_val = config[key]
178 found = re.findall('<(.+?)>',config_val)
179 for x in found:
180 #Get value corresponding to that string
181 val = self.get_dynamic_parameter_value(o, x)
182 if val:
183 config_val = re.sub('<'+x+'>', val, config_val)
184 #TODO: else raise an exception?
185 o.component_configs.append( {"component": component, "config_params": "'{\""+key+"\":\""+config_val+"\"}'"} )
186
187 def prepare_record(self, o):
188 self.write_configs(o)
189
190 def get_extra_attributes_common(self, o):
191 fields = {}
192
193 # These are attributes that are not dependent on Instance. For example,
194 # REST API stuff.
195
196 onos = self.get_onos_service(o)
197
198 fields["files_dir"] = o.files_dir
199 fields["appname"] = o.name
200 fields["rest_configs"] = o.rest_configs
201 fields["rest_hostname"] = onos.rest_hostname
202 fields["rest_port"] = onos.rest_port
203
204 if o.dependencies:
205 fields["dependencies"] = [x.strip() for x in o.dependencies.split(",")]
206 else:
207 fields["dependencies"] = []
208
Andy Bavier4a503b12016-06-21 11:41:29 -0400209 if o.install_dependencies:
210 fields["install_dependencies"] = [x.strip() for x in o.install_dependencies.split(",")]
211 else:
212 fields["install_dependencies"] = []
213
Scott Baker7a327592016-06-20 17:34:06 -0700214 return fields
215
216 def get_extra_attributes_full(self, o):
217 instance = self.get_instance(o)
218
219 fields = self.get_extra_attributes_common(o)
220
221 fields["config_fns"] = o.config_fns
222 fields["early_rest_configs"] = o.early_rest_configs
223 fields["component_configs"] = o.component_configs
224 fields["node_key_fn"] = o.node_key_fn
225
Scott Baker7a327592016-06-20 17:34:06 -0700226 if (instance.isolation=="container"):
227 fields["ONOS_container"] = "%s-%s" % (instance.slice.name, str(instance.id))
228 else:
229 fields["ONOS_container"] = "ONOS"
230 return fields
231
232 def get_extra_attributes(self, o):
233 if self.is_no_container(o):
234 return self.get_extra_attributes_common(o)
235 else:
236 return self.get_extra_attributes_full(o)
237
238 def sync_fields(self, o, fields):
239 # the super causes the playbook to be run
240 super(SyncONOSApp, self).sync_fields(o, fields)
241
242 def run_playbook(self, o, fields):
243 if self.is_no_container(o):
244 # There is no machine to SSH to, so use the synchronizer's
245 # run_template method directly.
246 run_template("sync_onosapp_nocontainer.yaml", fields)
247 else:
248 super(SyncONOSApp, self).run_playbook(o, fields)
249
250 def delete_record(self, m):
251 pass