author | Denis Laxalde <denis.laxalde@logilab.fr> |
Wed, 29 Mar 2017 13:29:41 +0200 | |
branch | 3.25 |
changeset 12114 | 40446d4e1ee2 |
parent 10491 | c67bcee93248 |
permissions | -rw-r--r-- |
5371
6d25b84ffd50
le patch some_admin_doc_for_migration a été importé
Arthur Lutz <arthur.lutz@logilab.fr>
parents:
diff
changeset
|
1 |
.. -*- coding: utf-8 -*- |
6d25b84ffd50
le patch some_admin_doc_for_migration a été importé
Arthur Lutz <arthur.lutz@logilab.fr>
parents:
diff
changeset
|
2 |
|
6d25b84ffd50
le patch some_admin_doc_for_migration a été importé
Arthur Lutz <arthur.lutz@logilab.fr>
parents:
diff
changeset
|
3 |
Migrating cubicweb instances - benefits from a distributed architecture |
6d25b84ffd50
le patch some_admin_doc_for_migration a été importé
Arthur Lutz <arthur.lutz@logilab.fr>
parents:
diff
changeset
|
4 |
======================================================================= |
6d25b84ffd50
le patch some_admin_doc_for_migration a été importé
Arthur Lutz <arthur.lutz@logilab.fr>
parents:
diff
changeset
|
5 |
|
6d25b84ffd50
le patch some_admin_doc_for_migration a été importé
Arthur Lutz <arthur.lutz@logilab.fr>
parents:
diff
changeset
|
6 |
Migrate apache & cubicweb |
6d25b84ffd50
le patch some_admin_doc_for_migration a été importé
Arthur Lutz <arthur.lutz@logilab.fr>
parents:
diff
changeset
|
7 |
------------------------- |
6d25b84ffd50
le patch some_admin_doc_for_migration a été importé
Arthur Lutz <arthur.lutz@logilab.fr>
parents:
diff
changeset
|
8 |
|
6d25b84ffd50
le patch some_admin_doc_for_migration a été importé
Arthur Lutz <arthur.lutz@logilab.fr>
parents:
diff
changeset
|
9 |
**Aim** : do the migration for N cubicweb instances hosted on a server to another with no downtime. |
6d25b84ffd50
le patch some_admin_doc_for_migration a été importé
Arthur Lutz <arthur.lutz@logilab.fr>
parents:
diff
changeset
|
10 |
|
10235
684215aca046
Remove remote repository-access-through-pyro support
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents:
5371
diff
changeset
|
11 |
**Prerequisites** : have an explicit definition of the database host (not default or localhost). In our case, the database is hosted on another host. |
5371
6d25b84ffd50
le patch some_admin_doc_for_migration a été importé
Arthur Lutz <arthur.lutz@logilab.fr>
parents:
diff
changeset
|
12 |
|
6d25b84ffd50
le patch some_admin_doc_for_migration a été importé
Arthur Lutz <arthur.lutz@logilab.fr>
parents:
diff
changeset
|
13 |
**Steps** : |
6d25b84ffd50
le patch some_admin_doc_for_migration a été importé
Arthur Lutz <arthur.lutz@logilab.fr>
parents:
diff
changeset
|
14 |
|
6d25b84ffd50
le patch some_admin_doc_for_migration a été importé
Arthur Lutz <arthur.lutz@logilab.fr>
parents:
diff
changeset
|
15 |
1. *on new machine* : install your environment (*pseudocode*) :: |
6d25b84ffd50
le patch some_admin_doc_for_migration a été importé
Arthur Lutz <arthur.lutz@logilab.fr>
parents:
diff
changeset
|
16 |
|
6d25b84ffd50
le patch some_admin_doc_for_migration a été importé
Arthur Lutz <arthur.lutz@logilab.fr>
parents:
diff
changeset
|
17 |
apt-get install cubicweb cubicweb-applications apache2 |
6d25b84ffd50
le patch some_admin_doc_for_migration a été importé
Arthur Lutz <arthur.lutz@logilab.fr>
parents:
diff
changeset
|
18 |
|
6d25b84ffd50
le patch some_admin_doc_for_migration a été importé
Arthur Lutz <arthur.lutz@logilab.fr>
parents:
diff
changeset
|
19 |
2. *on old machine* : copy your cubicweb and apache configuration to the new machine :: |
6d25b84ffd50
le patch some_admin_doc_for_migration a été importé
Arthur Lutz <arthur.lutz@logilab.fr>
parents:
diff
changeset
|
20 |
|
6d25b84ffd50
le patch some_admin_doc_for_migration a été importé
Arthur Lutz <arthur.lutz@logilab.fr>
parents:
diff
changeset
|
21 |
scp /etc/cubicweb.d/ newmachine:/etc/cubicweb.d/ |
6d25b84ffd50
le patch some_admin_doc_for_migration a été importé
Arthur Lutz <arthur.lutz@logilab.fr>
parents:
diff
changeset
|
22 |
scp /etc/apache2/sites-available/ newmachine:/etc/apache2/sites-available/ |
6d25b84ffd50
le patch some_admin_doc_for_migration a été importé
Arthur Lutz <arthur.lutz@logilab.fr>
parents:
diff
changeset
|
23 |
|
10235
684215aca046
Remove remote repository-access-through-pyro support
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents:
5371
diff
changeset
|
24 |
3. *on new machine* : start your instances :: |
5371
6d25b84ffd50
le patch some_admin_doc_for_migration a été importé
Arthur Lutz <arthur.lutz@logilab.fr>
parents:
diff
changeset
|
25 |
|
6d25b84ffd50
le patch some_admin_doc_for_migration a été importé
Arthur Lutz <arthur.lutz@logilab.fr>
parents:
diff
changeset
|
26 |
cubicweb start |
6d25b84ffd50
le patch some_admin_doc_for_migration a été importé
Arthur Lutz <arthur.lutz@logilab.fr>
parents:
diff
changeset
|
27 |
|
10235
684215aca046
Remove remote repository-access-through-pyro support
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents:
5371
diff
changeset
|
28 |
4. *on new machine* : enable sites and modules for apache and start it, test it using by modifying your /etc/host file. |
5371
6d25b84ffd50
le patch some_admin_doc_for_migration a été importé
Arthur Lutz <arthur.lutz@logilab.fr>
parents:
diff
changeset
|
29 |
|
10235
684215aca046
Remove remote repository-access-through-pyro support
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents:
5371
diff
changeset
|
30 |
5. change dns entry from your oldmachine to newmachine |
5371
6d25b84ffd50
le patch some_admin_doc_for_migration a été importé
Arthur Lutz <arthur.lutz@logilab.fr>
parents:
diff
changeset
|
31 |
|
10235
684215aca046
Remove remote repository-access-through-pyro support
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents:
5371
diff
changeset
|
32 |
6. shutdown your *old machine* (if it doesn't host other services or your database) |
5371
6d25b84ffd50
le patch some_admin_doc_for_migration a été importé
Arthur Lutz <arthur.lutz@logilab.fr>
parents:
diff
changeset
|
33 |
|
10235
684215aca046
Remove remote repository-access-through-pyro support
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents:
5371
diff
changeset
|
34 |
7. That's it. |
5371
6d25b84ffd50
le patch some_admin_doc_for_migration a été importé
Arthur Lutz <arthur.lutz@logilab.fr>
parents:
diff
changeset
|
35 |
|
6d25b84ffd50
le patch some_admin_doc_for_migration a été importé
Arthur Lutz <arthur.lutz@logilab.fr>
parents:
diff
changeset
|
36 |
**Possible enhancements** : use right from the start a pound server behind your apache, that way you can add backends and smoothily migrate by shuting down backends that pound will take into account. |
6d25b84ffd50
le patch some_admin_doc_for_migration a été importé
Arthur Lutz <arthur.lutz@logilab.fr>
parents:
diff
changeset
|
37 |
|
6d25b84ffd50
le patch some_admin_doc_for_migration a été importé
Arthur Lutz <arthur.lutz@logilab.fr>
parents:
diff
changeset
|
38 |