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1 | 03353341 | Vangelis Koukis | README.deploy -- Instructions for a basic deployment of Synnefo v0.4 |
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2 | bbd4f788 | Georgios Gousios | |
3 | 03353341 | Vangelis Koukis | This document describes the basic steps to obtain a basic, working Synnefo |
4 | 03353341 | Vangelis Koukis | deployment. It begins by examining the different node roles, then moves to the |
5 | 03353341 | Vangelis Koukis | installation and setup of distinct software components. |
6 | c807557e | Vangelis Koukis | |
7 | 03353341 | Vangelis Koukis | It applies to Synnefo v0.4. |
8 | 03353341 | Vangelis Koukis | |
9 | 03353341 | Vangelis Koukis | |
10 | 03353341 | Vangelis Koukis | Node types |
11 | 03353341 | Vangelis Koukis | =========== |
12 | 03353341 | Vangelis Koukis | |
13 | 03353341 | Vangelis Koukis | Nodes in a Synnefo deployment belong in one of the following types: |
14 | 03353341 | Vangelis Koukis | |
15 | 03353341 | Vangelis Koukis | * DB: |
16 | 271baf11 | Nikos Skalkotos | A node [or more than one nodes, if using an HA configuration], running a DB |
17 | 271baf11 | Nikos Skalkotos | engine supported by the Django ORM layer. The DB is the single source of |
18 | 271baf11 | Nikos Skalkotos | truth for the servicing of API requests by Synnefo. |
19 | 03353341 | Vangelis Koukis | Services: PostgreSQL / MySQL |
20 | 03353341 | Vangelis Koukis | |
21 | 03353341 | Vangelis Koukis | * APISERVER: |
22 | 271baf11 | Nikos Skalkotos | A node running the implementation of the OpenStack API, in Django. Any number |
23 | 271baf11 | Nikos Skalkotos | of APISERVERs can be used, in a load-balancing configuration, without any |
24 | 271baf11 | Nikos Skalkotos | special consideration. Access to a common DB ensures consistency. |
25 | 03353341 | Vangelis Koukis | Services: Web server, vncauthproxy |
26 | 03353341 | Vangelis Koukis | |
27 | 03353341 | Vangelis Koukis | * QUEUE: |
28 | 271baf11 | Nikos Skalkotos | A node running the RabbitMQ software, which provides AMQP functionality. More |
29 | 271baf11 | Nikos Skalkotos | than one QUEUE nodes may be deployed, in an HA configuration. Such |
30 | 03353341 | Vangelis Koukis | deployments require shared storage, provided e.g., by DRBD. |
31 | 03353341 | Vangelis Koukis | Services: RabbitMQ [rabbitmq-server] |
32 | 03353341 | Vangelis Koukis | |
33 | 03353341 | Vangelis Koukis | * LOGIC: |
34 | 03353341 | Vangelis Koukis | A node running the business logic of Synnefo, in Django. It dequeues |
35 | 271baf11 | Nikos Skalkotos | messages from QUEUE nodes, and provides the context in which business logic |
36 | 271baf11 | Nikos Skalkotos | functions run. It uses Django ORM to connect to the common DB and update the |
37 | 271baf11 | Nikos Skalkotos | state of the system, based on notifications received from the rest of the |
38 | 271baf11 | Nikos Skalkotos | infrastructure, over AMQP. |
39 | 03353341 | Vangelis Koukis | Services: the Synnefo logic dispatcher [/logic/dispatcher.py] |
40 | 03353341 | Vangelis Koukis | |
41 | 03353341 | Vangelis Koukis | * GANETI-MASTER and GANETI-NODE: |
42 | 03353341 | Vangelis Koukis | A single GANETI-MASTER and a large number of GANETI-NODEs constitute the |
43 | 03353341 | Vangelis Koukis | Ganeti backend for Synnefo, which undertakes all VM management functions. |
44 | 03353341 | Vangelis Koukis | Any APISERVER can issue commands to the GANETI-MASTER, over RAPI, to effect |
45 | 03353341 | Vangelis Koukis | changes in the state of the VMs. The GANETI-MASTER runs the Ganeti request |
46 | 03353341 | Vangelis Koukis | queue. |
47 | 03353341 | Vangelis Koukis | Services: |
48 | 271baf11 | Nikos Skalkotos | only on GANETI-MASTER: |
49 | 271baf11 | Nikos Skalkotos | the Synnefo Ganeti monitoring daemon [/ganeti/ganeti-eventd] |
50 | 271baf11 | Nikos Skalkotos | the Synnefo Ganeti hook [/ganeti/snf-ganeti-hook.py]. |
51 | 271baf11 | Nikos Skalkotos | on each GANETI_NODE: |
52 | 271baf11 | Nikos Skalkotos | a deployment-specific KVM ifup script |
53 | 271baf11 | Nikos Skalkotos | properly configured NFDHCPD |
54 | 03353341 | Vangelis Koukis | |
55 | 03353341 | Vangelis Koukis | |
56 | 03353341 | Vangelis Koukis | Installation Process |
57 | 03353341 | Vangelis Koukis | ===================== |
58 | 03353341 | Vangelis Koukis | |
59 | 271baf11 | Nikos Skalkotos | This section describes the installation process of the various node roles in a |
60 | 271baf11 | Nikos Skalkotos | Synnefo deployment. |
61 | 03353341 | Vangelis Koukis | |
62 | 03353341 | Vangelis Koukis | |
63 | 03353341 | Vangelis Koukis | 0. Allocation of physical nodes: |
64 | 03353341 | Vangelis Koukis | Determine the role of every physical node in your deployment. |
65 | 03353341 | Vangelis Koukis | |
66 | 03353341 | Vangelis Koukis | |
67 | 03353341 | Vangelis Koukis | 1. Ganeti installation: |
68 | 03353341 | Vangelis Koukis | Synnefo requires a working Ganeti installation at the backend. Installation |
69 | 03353341 | Vangelis Koukis | of Ganeti is not covered by this document, please refer to |
70 | 03353341 | Vangelis Koukis | http://docs.ganeti.org/ganeti/current/html for all the gory details. A |
71 | 03353341 | Vangelis Koukis | successful Ganeti installation concludes with a working GANETI-MASTER and a |
72 | 03353341 | Vangelis Koukis | number of GANETI-NODEs. |
73 | 03353341 | Vangelis Koukis | |
74 | 03353341 | Vangelis Koukis | |
75 | 03353341 | Vangelis Koukis | 2. RabbitMQ installation: |
76 | 271baf11 | Nikos Skalkotos | RabbitMQ is used as a generic message broker for the system. It should be |
77 | 271baf11 | Nikos Skalkotos | installed on two seperate QUEUE nodes (VMs should be enough for the moment) |
78 | 271baf11 | Nikos Skalkotos | in a high availability configuration as described here: |
79 | 03353341 | Vangelis Koukis | |
80 | 03353341 | Vangelis Koukis | http://www.rabbitmq.com/pacemaker.html |
81 | 03353341 | Vangelis Koukis | |
82 | 03353341 | Vangelis Koukis | After installation, create a user and set its permissions |
83 | 03353341 | Vangelis Koukis | rabbitmqctl add_user okeanos 0k3@n0s |
84 | 03353341 | Vangelis Koukis | rabbitmqctl set_permissions -p / okeanos "^.*" ".*" ".*" |
85 | 03353341 | Vangelis Koukis | |
86 | 03353341 | Vangelis Koukis | The values set for the user and password must be mirrored in the |
87 | 03353341 | Vangelis Koukis | RABBIT_* variables in settings.py (see step 6) |
88 | 03353341 | Vangelis Koukis | |
89 | 03353341 | Vangelis Koukis | |
90 | 03353341 | Vangelis Koukis | 3. Web server installation: |
91 | 03353341 | Vangelis Koukis | A Web Server (e.g., Apache) needs to be installed on the APISERVERs, |
92 | 271baf11 | Nikos Skalkotos | and be configured to run the Synnefo Django project appropriately. Selection |
93 | 271baf11 | Nikos Skalkotos | and configuration of a Web server is outside the scope of this document. |
94 | 03353341 | Vangelis Koukis | |
95 | 03353341 | Vangelis Koukis | For testing or development purposes, Django's own development server, |
96 | 271baf11 | Nikos Skalkotos | `./manage.py runserver' can be used. |
97 | 03353341 | Vangelis Koukis | |
98 | 03353341 | Vangelis Koukis | |
99 | 03353341 | Vangelis Koukis | 4. Installation of the Synnefo Django project: |
100 | 271baf11 | Nikos Skalkotos | As of v0.4, the Synnefo Django project needs to be installed on nodes of type |
101 | 271baf11 | Nikos Skalkotos | APISERVER, LOGIC and on the GANETI-MASTER, with a properly configured |
102 | 03353341 | Vangelis Koukis | settings.py. In later revisions, the specific parts of the Django project |
103 | 03353341 | Vangelis Koukis | which need to run on each node type will be identified. |
104 | 03353341 | Vangelis Koukis | |
105 | 271baf11 | Nikos Skalkotos | Synnefo is written in Python 2.6 and depends on the following Python modules: |
106 | 271baf11 | Nikos Skalkotos | [package versions confirmed to be compatible are in braces] |
107 | c807557e | Vangelis Koukis | |
108 | c807557e | Vangelis Koukis | * django 1.2 [Django==1.2.4] |
109 | c807557e | Vangelis Koukis | * simplejson [simplejson==2.1.3] |
110 | c807557e | Vangelis Koukis | * pycurl [pycurl==7.19.0] |
111 | c807557e | Vangelis Koukis | * python-dateutil [python-dateutil==1.4.1] |
112 | 271baf11 | Nikos Skalkotos | WARNING: version python-dateutil==2.0 downloaded by pip known *not* to |
113 | 271baf11 | Nikos Skalkotos | work with Python 2.6 |
114 | c807557e | Vangelis Koukis | * south [south==0.7.1] |
115 | c807557e | Vangelis Koukis | WARNING: not working with Debian squeeze's default south-0.7-1 package. |
116 | c807557e | Vangelis Koukis | * amqplib [amqplib==0.6.1] |
117 | 03353341 | Vangelis Koukis | |
118 | 03353341 | Vangelis Koukis | also, depending on the database engine of choice, on one of the following: |
119 | c807557e | Vangelis Koukis | * MySQL-python [MySQL-python==1.2.3] |
120 | c807557e | Vangelis Koukis | * psycopg2 [psycopg2==2.4] |
121 | 03353341 | Vangelis Koukis | |
122 | 271baf11 | Nikos Skalkotos | if the invitations application is deployed, the following dependencies should |
123 | 271baf11 | Nikos Skalkotos | be installed: |
124 | c807557e | Vangelis Koukis | * pycrypto==2.1.0 |
125 | 03353341 | Vangelis Koukis | |
126 | 03353341 | Vangelis Koukis | if you want to test the ganeti (FIXME) |
127 | 03353341 | Vangelis Koukis | |
128 | 271baf11 | Nikos Skalkotos | to run the user interface tests, selenium must be installed: |
129 | c807557e | Vangelis Koukis | * selenium [?] |
130 | c807557e | Vangelis Koukis | |
131 | 03353341 | Vangelis Koukis | The easiest method for installation of the Django project is to setup a |
132 | 03353341 | Vangelis Koukis | working environment through virtualenv. Alternatively, you can use your |
133 | 03353341 | Vangelis Koukis | system's package manager to install the dependencies (e.g. Macports has them |
134 | 03353341 | Vangelis Koukis | all). |
135 | a06deab3 | Vangelis Koukis | |
136 | 271baf11 | Nikos Skalkotos | * On Snow Leopard and linux (64-bit), you have to set the following |
137 | 271baf11 | Nikos Skalkotos | environment variable for pip to compile the dependencies correctly. |
138 | a06deab3 | Vangelis Koukis | |
139 | 03353341 | Vangelis Koukis | $ export ARCHFLAGS="-arch x86_64" |
140 | a06deab3 | Vangelis Koukis | |
141 | 03353341 | Vangelis Koukis | * On Ubuntu, a few more packages must be installed before installing the |
142 | 03353341 | Vangelis Koukis | prerequisite Python libraries |
143 | a06deab3 | Vangelis Koukis | |
144 | 03353341 | Vangelis Koukis | $ sudo aptitude install libcurl3-gnutls libcurl3-gnutls-dev uuid-dev |
145 | a06deab3 | Vangelis Koukis | |
146 | 271baf11 | Nikos Skalkotos | Checkout the code and install the Python prerequisites. This assumes that |
147 | 271baf11 | Nikos Skalkotos | python is already installed on the host. |
148 | a06deab3 | Vangelis Koukis | |
149 | 03353341 | Vangelis Koukis | $ sudo easy_install virtualenv |
150 | 03353341 | Vangelis Koukis | $ git clone https://user@code.grnet.gr/git/synnefo synnefo |
151 | 03353341 | Vangelis Koukis | $ virtualenv --python=python2.6 synnefo --no-site-packages |
152 | 03353341 | Vangelis Koukis | ... |
153 | 03353341 | Vangelis Koukis | $ cd synnefo |
154 | 03353341 | Vangelis Koukis | $ ./bin/pip install <list_of_dependencies> |
155 | fc2afa67 | Vangelis Koukis | |
156 | a06deab3 | Vangelis Koukis | |
157 | 03353341 | Vangelis Koukis | 5. Database installation: |
158 | 03353341 | Vangelis Koukis | A database supported by the Django ORM layer must be installed on nodes |
159 | 03353341 | Vangelis Koukis | of type DB. The choices are: SQLIte, MySQL, PostgreSQL. |
160 | a06deab3 | Vangelis Koukis | |
161 | 03353341 | Vangelis Koukis | * SQLite: |
162 | 271baf11 | Nikos Skalkotos | The python sqlite driver is available by default with Python so no |
163 | 271baf11 | Nikos Skalkotos | additional configuration is required. Also, most self-respecting systems |
164 | 271baf11 | Nikos Skalkotos | have the sqlite library installed by default. |
165 | 03353341 | Vangelis Koukis | |
166 | 271baf11 | Nikos Skalkotos | * MySQL: |
167 | 03353341 | Vangelis Koukis | MySQL must be installed first: |
168 | 03353341 | Vangelis Koukis | |
169 | 03353341 | Vangelis Koukis | * Ubuntu - Debian |
170 | 03353341 | Vangelis Koukis | $ sudo apt-get install libmysqlclient-dev |
171 | 03353341 | Vangelis Koukis | |
172 | 03353341 | Vangelis Koukis | * MacPorts |
173 | 03353341 | Vangelis Koukis | $ sudo port install mysql5 |
174 | 03353341 | Vangelis Koukis | |
175 | 03353341 | Vangelis Koukis | Install the MySQL python library on servers running the Django project: |
176 | a06deab3 | Vangelis Koukis | |
177 | 03353341 | Vangelis Koukis | $ bin/pip install MySQL-python |
178 | a06deab3 | Vangelis Koukis | |
179 | 271baf11 | Nikos Skalkotos | Note: On MacOSX with Mysql install from MacPorts the above command will |
180 | 271baf11 | Nikos Skalkotos | fail complaining that it cannot find the mysql_config command. Do |
181 | 271baf11 | Nikos Skalkotos | the following and restart the installation |
182 | 271baf11 | Nikos Skalkotos | $ echo "mysql_config = /opt/local/bin/mysql_config5" >> \ |
183 | 271baf11 | Nikos Skalkotos | ./build/MySQL-python/site.cfg |
184 | 7e8b41e7 | Vangelis Koukis | |
185 | 03353341 | Vangelis Koukis | Configure a MySQL db/account for synnefo |
186 | 03353341 | Vangelis Koukis | $ mysql -u root -p |
187 | a06deab3 | Vangelis Koukis | |
188 | 03353341 | Vangelis Koukis | mysql> create database synnefo; |
189 | 03353341 | Vangelis Koukis | mysql> show databases; |
190 | 03353341 | Vangelis Koukis | mysql> GRANT ALL on synnefo.* TO username IDENTIFIED BY 'password'; |
191 | fc2afa67 | Vangelis Koukis | |
192 | 03353341 | Vangelis Koukis | * PostgreSQL |
193 | 03353341 | Vangelis Koukis | You need to install the PostgreSQL binaries: |
194 | 03353341 | Vangelis Koukis | * Ubuntu - Debian |
195 | 03353341 | Vangelis Koukis | $ sudo apt-get install postgresql-8.4 libpq-dev |
196 | fc2afa67 | Vangelis Koukis | |
197 | 03353341 | Vangelis Koukis | * MacPorts |
198 | 03353341 | Vangelis Koukis | $ sudo port install postgresql84 |
199 | 6ec8927b | Vangelis Koukis | |
200 | 03353341 | Vangelis Koukis | Install the postgres Python library |
201 | 03353341 | Vangelis Koukis | $ bin/pip install psycopg2 |
202 | 6f339260 | Georgios Gousios | |
203 | 03353341 | Vangelis Koukis | Configure a postgres db/account for synnefo: |
204 | 6f339260 | Georgios Gousios | |
205 | 03353341 | Vangelis Koukis | Become the postgres user, connect to PostgreSQL: |
206 | 03353341 | Vangelis Koukis | $ sudo su - postgres |
207 | 03353341 | Vangelis Koukis | $ psql |
208 | 03353341 | Vangelis Koukis | |
209 | 03353341 | Vangelis Koukis | Run the following commands: |
210 | 03353341 | Vangelis Koukis | DROP DATABASE synnefo; |
211 | 03353341 | Vangelis Koukis | DROP USER username; |
212 | 03353341 | Vangelis Koukis | CREATE USER username WITH PASSWORD 'password'; |
213 | 03353341 | Vangelis Koukis | CREATE DATABASE synnefo; |
214 | 03353341 | Vangelis Koukis | GRANT ALL PRIVILEGES ON DATABASE synnefo TO username; |
215 | 03353341 | Vangelis Koukis | ALTER DATABASE synnefo OWNER TO username; |
216 | 03353341 | Vangelis Koukis | ALTER USER username CREATEDB; |
217 | 6f339260 | Georgios Gousios | |
218 | 271baf11 | Nikos Skalkotos | The last line enables the newly created user to create own databases. This |
219 | 271baf11 | Nikos Skalkotos | is needed for Django to create and drop the test_synnefo database for unit |
220 | 03353341 | Vangelis Koukis | testing. |
221 | 6f339260 | Georgios Gousios | |
222 | 6f339260 | Georgios Gousios | |
223 | 03353341 | Vangelis Koukis | 6. Setting up the Django project: |
224 | 03353341 | Vangelis Koukis | The settings.py file for Django may be derived by concatenating the |
225 | 03353341 | Vangelis Koukis | settings.py.dist file contained in the Synnefo distribution with a file |
226 | 03353341 | Vangelis Koukis | containing custom modifications, which shall override all settings deviating |
227 | 03353341 | Vangelis Koukis | from the supplied settings.py.dist. This is recommended to minimize the load |
228 | 03353341 | Vangelis Koukis | of reconstructing settings.py from scratch, since each release currently |
229 | 03353341 | Vangelis Koukis | brings heavy changes to settings.py.dist. |
230 | 7e8b41e7 | Vangelis Koukis | |
231 | 03353341 | Vangelis Koukis | Add the following to your custom settings.py, depending on your choice of DB: |
232 | 03353341 | Vangelis Koukis | * SQLite |
233 | 7e8b41e7 | Vangelis Koukis | |
234 | 03353341 | Vangelis Koukis | PROJECT_PATH = os.path.dirname(os.path.abspath(__file__)) + '/' |
235 | 7e8b41e7 | Vangelis Koukis | |
236 | 03353341 | Vangelis Koukis | DATABASES = { |
237 | 03353341 | Vangelis Koukis | 'default': { |
238 | 03353341 | Vangelis Koukis | 'ENGINE': 'django.db.backends.sqlite3', |
239 | 03353341 | Vangelis Koukis | 'NAME': PROJECT_PATH + 'synnefo.db' #WARN: This must be an absolute path |
240 | 03353341 | Vangelis Koukis | } |
241 | 03353341 | Vangelis Koukis | } |
242 | 7e8b41e7 | Vangelis Koukis | |
243 | 03353341 | Vangelis Koukis | * MySQL |
244 | 7e8b41e7 | Vangelis Koukis | |
245 | 03353341 | Vangelis Koukis | DATABASES = { |
246 | 03353341 | Vangelis Koukis | 'default': { |
247 | 03353341 | Vangelis Koukis | 'ENGINE': 'django.db.backends.mysql', |
248 | 03353341 | Vangelis Koukis | 'NAME': 'synnefo', |
249 | 03353341 | Vangelis Koukis | 'USER': 'USERNAME', |
250 | 03353341 | Vangelis Koukis | 'PASSWORD': 'PASSWORD', |
251 | 03353341 | Vangelis Koukis | 'HOST': 'HOST', |
252 | 03353341 | Vangelis Koukis | 'PORT': 'PORT', |
253 | 03353341 | Vangelis Koukis | 'OPTIONS': { |
254 | 03353341 | Vangelis Koukis | 'init_command': 'SET storage_engine=INNODB', |
255 | 03353341 | Vangelis Koukis | } |
256 | 03353341 | Vangelis Koukis | } |
257 | 03353341 | Vangelis Koukis | } |
258 | 7e8b41e7 | Vangelis Koukis | |
259 | 03353341 | Vangelis Koukis | * PostgreSQL |
260 | 6f339260 | Georgios Gousios | |
261 | 03353341 | Vangelis Koukis | DATABASES = { |
262 | 03353341 | Vangelis Koukis | 'default': { |
263 | 03353341 | Vangelis Koukis | 'ENGINE': 'django.db.backends.postgresql_psycopg2', |
264 | 03353341 | Vangelis Koukis | 'NAME': 'DATABASE', |
265 | 03353341 | Vangelis Koukis | 'USER': 'USERNAME', |
266 | 03353341 | Vangelis Koukis | 'PASSWORD': 'PASSWORD', |
267 | 03353341 | Vangelis Koukis | 'HOST': 'HOST', |
268 | 03353341 | Vangelis Koukis | 'PORT': 'PORT', |
269 | 03353341 | Vangelis Koukis | } |
270 | 03353341 | Vangelis Koukis | } |
271 | 7e8b41e7 | Vangelis Koukis | |
272 | 03353341 | Vangelis Koukis | Try it out. The following command will attempt to connect to the DB and |
273 | 03353341 | Vangelis Koukis | print out DDL statements. It should not fail. |
274 | 7e8b41e7 | Vangelis Koukis | |
275 | 03353341 | Vangelis Koukis | $ ./bin/python manage.py sql db |
276 | 6ec8927b | Vangelis Koukis | |
277 | 6ec8927b | Vangelis Koukis | |
278 | 03353341 | Vangelis Koukis | 7. Initialization of Synnefo DB: |
279 | 03353341 | Vangelis Koukis | You need to initialize the Synnefo DB and load fixtures |
280 | 03353341 | Vangelis Koukis | db/fixtures/{flavors,images}.json, which make the API usable by end users by |
281 | 03353341 | Vangelis Koukis | defining a sample set of hardware configurations (flavors) and OS images. |
282 | 03353341 | Vangelis Koukis | |
283 | 03353341 | Vangelis Koukis | $ ./bin/python manage.py syncdb |
284 | 03353341 | Vangelis Koukis | $ ./bin/python manage.py migrate db |
285 | 03353341 | Vangelis Koukis | $ ./bin/python manage.py loaddata db/fixtures/flavors.json |
286 | 03353341 | Vangelis Koukis | $ ./bin/python manage.py loaddata db/fixtures/images.json |
287 | 03353341 | Vangelis Koukis | |
288 | 03353341 | Vangelis Koukis | |
289 | 03353341 | Vangelis Koukis | 8. Finalization of settings.py: |
290 | 03353341 | Vangelis Koukis | Set the BACKEND_PREFIX_ID variable to some unique prefix, e.g. your commit |
291 | 03353341 | Vangelis Koukis | username in settings.py. Several functional conventions within the system |
292 | 03353341 | Vangelis Koukis | require this variable to include a dash at its end (e.g. snf-) |
293 | 03353341 | Vangelis Koukis | |
294 | 03353341 | Vangelis Koukis | Fix the AMQP-specific settings based on the selected BACKEND_PREFIX_ID. |
295 | 03353341 | Vangelis Koukis | The fix_amqp_settings() function is called once at the end of |
296 | 271baf11 | Nikos Skalkotos | settings.py.dist, you must call it again if you change BACKEND_PREFIX_ID at |
297 | 271baf11 | Nikos Skalkotos | some later point. |
298 | 03353341 | Vangelis Koukis | |
299 | 03353341 | Vangelis Koukis | |
300 | 03353341 | Vangelis Koukis | 9. Installation of the Ganeti monitoring daemon, /ganeti/ganeti-eventd: |
301 | 03353341 | Vangelis Koukis | The Ganeti monitoring daemon is part of the Django project and must run on |
302 | 03353341 | Vangelis Koukis | GANETI-MASTER. |
303 | 03353341 | Vangelis Koukis | |
304 | 03353341 | Vangelis Koukis | Override all relevant settings in settings.py.dist, GANETI_* variables. |
305 | 03353341 | Vangelis Koukis | Then start the server on the Ganeti master as root |
306 | 03353341 | Vangelis Koukis | |
307 | 03353341 | Vangelis Koukis | # cd synnefo && python ./ganeti/ganeti-eventd |
308 | 03353341 | Vangelis Koukis | |
309 | 03353341 | Vangelis Koukis | FIXME: The server must be started from the project root directory. |
310 | 03353341 | Vangelis Koukis | TBD: how to handle master migration. |
311 | 03353341 | Vangelis Koukis | |
312 | 6ec8927b | Vangelis Koukis | |
313 | 03353341 | Vangelis Koukis | 10. Installation of the Synnefo dispatcher, /logic/dispatcher.py: |
314 | 03353341 | Vangelis Koukis | The logic dispatcher is part of the Synnefo Django project and must run |
315 | 03353341 | Vangelis Koukis | on LOGIC nodes. |
316 | ff55193e | Vangelis Koukis | |
317 | 271baf11 | Nikos Skalkotos | The dispatcher retrieves messages from the queue and calls the appropriate |
318 | 271baf11 | Nikos Skalkotos | handler function as defined in the queue configuration in `setttings.py'. |
319 | 271baf11 | Nikos Skalkotos | The default configuration should work directly without any modifications. |
320 | 6ec8927b | Vangelis Koukis | |
321 | 03353341 | Vangelis Koukis | For the time being The dispatcher must be run by hand: |
322 | 03353341 | Vangelis Koukis | $ ./bin/python ./logic/dispatcher.py |
323 | 6ec8927b | Vangelis Koukis | |
324 | 03353341 | Vangelis Koukis | The dispatcher should run in at least 2 instances to ensure high |
325 | 03353341 | Vangelis Koukis | (actually, increased) availability. |
326 | 6ec8927b | Vangelis Koukis | |
327 | 7e8b41e7 | Vangelis Koukis | |
328 | 03353341 | Vangelis Koukis | 11. Installation of the Synnefo Ganeti hook: |
329 | 03353341 | Vangelis Koukis | The Python script ganeti/snf-ganeti-hook.py is the generic launcher for |
330 | 03353341 | Vangelis Koukis | Synnefo hooks in Ganeti. It resides in the ganeti/ directory under the root |
331 | 03353341 | Vangelis Koukis | of Synnefo Django project root. |
332 | 7e8b41e7 | Vangelis Koukis | |
333 | 271baf11 | Nikos Skalkotos | The hook needs to be enabled for phases post-{add,modify,reboot,start,stop} |
334 | 271baf11 | Nikos Skalkotos | by *symlinking* in |
335 | 271baf11 | Nikos Skalkotos | /etc/ganeti/hooks/instance-{add,modify,reboot,start,stop}-post.d on |
336 | 271baf11 | Nikos Skalkotos | GANETI-MASTER, e.g.: |
337 | 7e8b41e7 | Vangelis Koukis | |
338 | 03353341 | Vangelis Koukis | root@ganeti-master:/etc/ganeti/hooks/instance-start-post.d# ls -l |
339 | 03353341 | Vangelis Koukis | lrwxrwxrwx 1 root root 45 May 3 13:45 00-snf-ganeti-hook -> /home/devel/synnefo/ganeti/snf-ganeti-hook.py* |
340 | b6382dc5 | Vangelis Koukis | |
341 | 03353341 | Vangelis Koukis | IMPORTANT: The link name may only contain "upper and lower case, digits, |
342 | 03353341 | Vangelis Koukis | underscores and hyphens. In other words, the regexp ^[a-zA-Z0-9_-]+$." |
343 | 271baf11 | Nikos Skalkotos | See: |
344 | 271baf11 | Nikos Skalkotos | http://docs.ganeti.org/ganeti/master/html/hooks.html?highlight=hooks#naming |
345 | 7e8b41e7 | Vangelis Koukis | |
346 | 03353341 | Vangelis Koukis | The script uses the location of the link target to determine the Synnefo |
347 | 03353341 | Vangelis Koukis | Project root, before passing control to the relevant Python code. |
348 | 81d1a961 | Constantinos Venetsanopoulos | |
349 | 03353341 | Vangelis Koukis | FIXME: Perhaps require a SYNNEFO_PROJECT_ROOT environment variable? |
350 | 81d1a961 | Constantinos Venetsanopoulos | |
351 | 81d1a961 | Constantinos Venetsanopoulos | |
352 | 03353341 | Vangelis Koukis | 12. Installation of the VNC authentication proxy, vncauthproxy: |
353 | 03353341 | Vangelis Koukis | To support OOB console access to the VMs over VNC, the vncauthproxy |
354 | 03353341 | Vangelis Koukis | daemon must be running on every node of type APISERVER. |
355 | 81d1a961 | Constantinos Venetsanopoulos | |
356 | 03353341 | Vangelis Koukis | Download and install vncauthproxy from its own repository, |
357 | 03353341 | Vangelis Koukis | at https://code.grnet.gr/git/vncauthproxy (known good commit: 8799ab6d6e). |
358 | 03353341 | Vangelis Koukis | |
359 | 03353341 | Vangelis Koukis | Edit default settings on top of vncauthproxy.py. |
360 | 03353341 | Vangelis Koukis | Set CTRL_SOCKET in util/vapclient.py to point to its control socket. |
361 | 81d1a961 | Constantinos Venetsanopoulos | |
362 | 03353341 | Vangelis Koukis | FIXME: The CTRL_SOCKET setting will be moved to settings.py as |
363 | 03353341 | Vangelis Koukis | VNCAUTHPROXY_CTRL_SOCKET. |
364 | a06deab3 | Vangelis Koukis | |
365 | 03353341 | Vangelis Koukis | Create /var/log/vncauthproxy and set its permissions appropriately. |
366 | fc2afa67 | Vangelis Koukis | |
367 | fc2afa67 | Vangelis Koukis | |
368 | 03353341 | Vangelis Koukis | 13. Installation of the customized Ganeti Instance Image for image deployment: |
369 | 03353341 | Vangelis Koukis | For Synnefo to be able to launch VMs from specified Images, you need |
370 | 03353341 | Vangelis Koukis | the gnt-instance-image OS Provider installed on the Ganeti backend. |
371 | 03353341 | Vangelis Koukis | |
372 | 03353341 | Vangelis Koukis | Download and install gnt-instance-image in all Ganeti nodes from its own |
373 | 03353341 | Vangelis Koukis | repository, at https://code.grnet.gr/git/gnt-instance-image. |
374 | 03353341 | Vangelis Koukis | |
375 | 03353341 | Vangelis Koukis | After installing gnt-instance-image do the following: |
376 | 271baf11 | Nikos Skalkotos | 1. root@ganeti-master$ cd /path-to-repocp |
377 | 271baf11 | Nikos Skalkotos | root@ganeti-master$ ./defaults /etc/default/ganeti-instance-image |
378 | 03353341 | Vangelis Koukis | 2. Uncomment the following in /etc/default/ganeti-instance-image: |
379 | 271baf11 | Nikos Skalkotos | SWAP=no |
380 | 271baf11 | Nikos Skalkotos | ARCH="x86_64" |
381 | 271baf11 | Nikos Skalkotos | 3. Add to /etc/default/ganeti-instance-image (so that make-dump makes no |
382 | 271baf11 | Nikos Skalkotos | /boot partition): |
383 | 271baf11 | Nikos Skalkotos | KERNEL_PATH="True" |
384 | 03353341 | Vangelis Koukis | 4. Change the path in make-dump line 22 according to your installation |
385 | 03353341 | Vangelis Koukis | (/usr/share/ganeti/os/image/common.sh --> /srv/ganeti/os/image/common.sh) |
386 | 271baf11 | Nikos Skalkotos | 5. In common.sh, comment out the KERNEL_PATH variable initialization: |
387 | 271baf11 | Nikos Skalkotos | #KERNEL_PATH="$INSTANCE_HV_kernel_path" |
388 | 03353341 | Vangelis Koukis | 6. In /etc/ganeti/instance-image/hooks, make sure the hooks you want to |
389 | 03353341 | Vangelis Koukis | run during instance creation process have execute permission. At least |
390 | 271baf11 | Nikos Skalkotos | `grub' and `root_passwd' should be triggered to make the instance usable: |
391 | 03353341 | Vangelis Koukis | chmod +x /etc/ganeti/instance-image/hooks/{grub,root_passwd} |
392 | 03353341 | Vangelis Koukis | |
393 | 271baf11 | Nikos Skalkotos | Your Custom Images should be stored in a dump format under |
394 | 271baf11 | Nikos Skalkotos | /var/cache/ganeti-instance-image and their filenames should have the |
395 | 271baf11 | Nikos Skalkotos | following format: |
396 | 03353341 | Vangelis Koukis | {backend_id}-x86_64-root.dump |
397 | 03353341 | Vangelis Koukis | e.g., debian-6.0.1a-x86_64-root.dump (backend_id = "debian-6.0.1a") |
398 | 76a429fb | Georgios Gousios | |
399 | 76a429fb | Georgios Gousios | |
400 | 03353341 | Vangelis Koukis | 14. Setup Synnefo-specific networking on the Ganeti backend: |
401 | 03353341 | Vangelis Koukis | This part is deployment-specific and must be customized based on the |
402 | 03353341 | Vangelis Koukis | specific needs of the system administrators. |
403 | 76a429fb | Georgios Gousios | |
404 | 03353341 | Vangelis Koukis | A reference installation will use a Synnefo-specific KVM ifup script, |
405 | 03353341 | Vangelis Koukis | NFDHCPD and pre-provisioned Linux bridges to support public and private |
406 | 03353341 | Vangelis Koukis | network functionality. For this: |
407 | 76a429fb | Georgios Gousios | |
408 | 03353341 | Vangelis Koukis | Grab NFDHCPD from its own repository (https://code.grnet.gr/git/nfdhcpd), |
409 | 03353341 | Vangelis Koukis | install it, modify /etc/nfdhcpd/nfdhcpd.conf to reflect your network |
410 | 03353341 | Vangelis Koukis | configuration. |
411 | 76a429fb | Georgios Gousios | |
412 | 03353341 | Vangelis Koukis | Install a custom KVM ifup script for use by Ganeti, as |
413 | 03353341 | Vangelis Koukis | /etc/ganeti/kvm-vif-bridge, on GANETI-NODEs. A sample implementation is |
414 | 03353341 | Vangelis Koukis | provided under /contrib/ganeti-hooks. Set NFDHCPD_STATE_DIR to point |
415 | 03353341 | Vangelis Koukis | to NFDHCPD's state directory, usually /var/lib/nfdhcpd. |
416 | 76a429fb | Georgios Gousios | |
417 | 76a429fb | Georgios Gousios | |
418 | 03353341 | Vangelis Koukis | 15. Create log file directories for Synnefo components, set appropriate |
419 | 03353341 | Vangelis Koukis | permissions. By default, logic/dispatcher.py and ganeti/ganeti-eventd.py |
420 | 03353341 | Vangelis Koukis | use /var/log/synnefo. |
421 | 76a429fb | Georgios Gousios | |
422 | 7e8b41e7 | Vangelis Koukis | |
423 | 03353341 | Vangelis Koukis | 16. (Hopefully) Done |