Mercurial > kallithea
annotate docs/dev/dbmigrations.rst @ 7131:33bd2aa757dd
templates: mark site as IE10+ compatible to bypass Compatibility mode
Internet Explorer 11 (and probably other versions) seems to ship with the
setting "Display intranet sites in Compatibility View" enabled by default.
This compatibility view means that modern elements of CSS and JavaScript are
not (well) support and makes Kallithea look very bad and become unusable.
This is a problem when hosting Kallithea in a corporate environment where
its URL is detected as 'the intranet'.
Solve the issue by explicitly marking Kallithea to be compatible with IE10,
so that Internet Explorer 10 and above will show Kallithea correctly in
Intranet environments.
author | Thomas De Schampheleire <thomas.de_schampheleire@nokia.com> |
---|---|
date | Tue, 30 Jan 2018 13:57:26 +0100 |
parents | 213085032127 |
children | 7784a1212471 |
rev | line source |
---|---|
6023
9fd64dd2617d
docs: document how to use Alembic for database migrations
Søren Løvborg <sorenl@unity3d.com>
parents:
diff
changeset
|
1 ======================= |
9fd64dd2617d
docs: document how to use Alembic for database migrations
Søren Løvborg <sorenl@unity3d.com>
parents:
diff
changeset
|
2 Database schema changes |
9fd64dd2617d
docs: document how to use Alembic for database migrations
Søren Løvborg <sorenl@unity3d.com>
parents:
diff
changeset
|
3 ======================= |
9fd64dd2617d
docs: document how to use Alembic for database migrations
Søren Løvborg <sorenl@unity3d.com>
parents:
diff
changeset
|
4 |
9fd64dd2617d
docs: document how to use Alembic for database migrations
Søren Løvborg <sorenl@unity3d.com>
parents:
diff
changeset
|
5 Kallithea uses Alembic for :ref:`database migrations <upgrade_db>` |
9fd64dd2617d
docs: document how to use Alembic for database migrations
Søren Løvborg <sorenl@unity3d.com>
parents:
diff
changeset
|
6 (upgrades and downgrades). |
9fd64dd2617d
docs: document how to use Alembic for database migrations
Søren Løvborg <sorenl@unity3d.com>
parents:
diff
changeset
|
7 |
9fd64dd2617d
docs: document how to use Alembic for database migrations
Søren Løvborg <sorenl@unity3d.com>
parents:
diff
changeset
|
8 If you are developing a Kallithea feature that requires database schema |
9fd64dd2617d
docs: document how to use Alembic for database migrations
Søren Løvborg <sorenl@unity3d.com>
parents:
diff
changeset
|
9 changes, you should make a matching Alembic database migration script: |
9fd64dd2617d
docs: document how to use Alembic for database migrations
Søren Løvborg <sorenl@unity3d.com>
parents:
diff
changeset
|
10 |
9fd64dd2617d
docs: document how to use Alembic for database migrations
Søren Løvborg <sorenl@unity3d.com>
parents:
diff
changeset
|
11 1. :ref:`Create a Kallithea configuration and database <setup>` for testing |
9fd64dd2617d
docs: document how to use Alembic for database migrations
Søren Løvborg <sorenl@unity3d.com>
parents:
diff
changeset
|
12 the migration script, or use existing ``development.ini`` setup. |
9fd64dd2617d
docs: document how to use Alembic for database migrations
Søren Løvborg <sorenl@unity3d.com>
parents:
diff
changeset
|
13 |
9fd64dd2617d
docs: document how to use Alembic for database migrations
Søren Løvborg <sorenl@unity3d.com>
parents:
diff
changeset
|
14 Ensure that this database is up to date with the latest database |
9fd64dd2617d
docs: document how to use Alembic for database migrations
Søren Løvborg <sorenl@unity3d.com>
parents:
diff
changeset
|
15 schema *before* the changes you're currently developing. (Do not |
9fd64dd2617d
docs: document how to use Alembic for database migrations
Søren Løvborg <sorenl@unity3d.com>
parents:
diff
changeset
|
16 create the database while your new schema changes are applied.) |
9fd64dd2617d
docs: document how to use Alembic for database migrations
Søren Løvborg <sorenl@unity3d.com>
parents:
diff
changeset
|
17 |
9fd64dd2617d
docs: document how to use Alembic for database migrations
Søren Løvborg <sorenl@unity3d.com>
parents:
diff
changeset
|
18 2. Create a separate throwaway configuration for iterating on the actual |
9fd64dd2617d
docs: document how to use Alembic for database migrations
Søren Løvborg <sorenl@unity3d.com>
parents:
diff
changeset
|
19 database changes:: |
9fd64dd2617d
docs: document how to use Alembic for database migrations
Søren Løvborg <sorenl@unity3d.com>
parents:
diff
changeset
|
20 |
6555
213085032127
gearbox: make a make-config sub-command available again
Mads Kiilerich <madski@unity3d.com>
parents:
6554
diff
changeset
|
21 gearbox make-config temp.ini |
6023
9fd64dd2617d
docs: document how to use Alembic for database migrations
Søren Løvborg <sorenl@unity3d.com>
parents:
diff
changeset
|
22 |
9fd64dd2617d
docs: document how to use Alembic for database migrations
Søren Løvborg <sorenl@unity3d.com>
parents:
diff
changeset
|
23 Edit the file to change database settings. SQLite is typically fine, |
9fd64dd2617d
docs: document how to use Alembic for database migrations
Søren Løvborg <sorenl@unity3d.com>
parents:
diff
changeset
|
24 but make sure to change the path to e.g. ``temp.db``, to avoid |
9fd64dd2617d
docs: document how to use Alembic for database migrations
Søren Løvborg <sorenl@unity3d.com>
parents:
diff
changeset
|
25 clobbering any existing database file. |
9fd64dd2617d
docs: document how to use Alembic for database migrations
Søren Løvborg <sorenl@unity3d.com>
parents:
diff
changeset
|
26 |
9fd64dd2617d
docs: document how to use Alembic for database migrations
Søren Løvborg <sorenl@unity3d.com>
parents:
diff
changeset
|
27 3. Make your code changes (including database schema changes in ``db.py``). |
9fd64dd2617d
docs: document how to use Alembic for database migrations
Søren Løvborg <sorenl@unity3d.com>
parents:
diff
changeset
|
28 |
9fd64dd2617d
docs: document how to use Alembic for database migrations
Søren Løvborg <sorenl@unity3d.com>
parents:
diff
changeset
|
29 4. After every database schema change, recreate the throwaway database |
9fd64dd2617d
docs: document how to use Alembic for database migrations
Søren Løvborg <sorenl@unity3d.com>
parents:
diff
changeset
|
30 to test the changes:: |
9fd64dd2617d
docs: document how to use Alembic for database migrations
Søren Løvborg <sorenl@unity3d.com>
parents:
diff
changeset
|
31 |
9fd64dd2617d
docs: document how to use Alembic for database migrations
Søren Løvborg <sorenl@unity3d.com>
parents:
diff
changeset
|
32 rm temp.db |
6554
2c3d30095d5e
gearbox: replace paster with something TurboGears2-ish that still works with the Pylons stack
Mads Kiilerich <madski@unity3d.com>
parents:
6023
diff
changeset
|
33 gearbox setup-db -c temp.ini --repos=/var/repos --user=doe --email doe@example.com --password=123456 --no-public-access --force-yes |
2c3d30095d5e
gearbox: replace paster with something TurboGears2-ish that still works with the Pylons stack
Mads Kiilerich <madski@unity3d.com>
parents:
6023
diff
changeset
|
34 gearbox repo-scan -c temp.ini |
6023
9fd64dd2617d
docs: document how to use Alembic for database migrations
Søren Løvborg <sorenl@unity3d.com>
parents:
diff
changeset
|
35 |
9fd64dd2617d
docs: document how to use Alembic for database migrations
Søren Løvborg <sorenl@unity3d.com>
parents:
diff
changeset
|
36 5. Once satisfied with the schema changes, auto-generate a draft Alembic |
9fd64dd2617d
docs: document how to use Alembic for database migrations
Søren Løvborg <sorenl@unity3d.com>
parents:
diff
changeset
|
37 script using the development database that has *not* been upgraded. |
9fd64dd2617d
docs: document how to use Alembic for database migrations
Søren Løvborg <sorenl@unity3d.com>
parents:
diff
changeset
|
38 (The generated script will upgrade the database to match the code.) |
9fd64dd2617d
docs: document how to use Alembic for database migrations
Søren Løvborg <sorenl@unity3d.com>
parents:
diff
changeset
|
39 |
9fd64dd2617d
docs: document how to use Alembic for database migrations
Søren Løvborg <sorenl@unity3d.com>
parents:
diff
changeset
|
40 :: |
9fd64dd2617d
docs: document how to use Alembic for database migrations
Søren Løvborg <sorenl@unity3d.com>
parents:
diff
changeset
|
41 |
9fd64dd2617d
docs: document how to use Alembic for database migrations
Søren Løvborg <sorenl@unity3d.com>
parents:
diff
changeset
|
42 alembic -c development.ini revision -m "area: add cool feature" --autogenerate |
9fd64dd2617d
docs: document how to use Alembic for database migrations
Søren Løvborg <sorenl@unity3d.com>
parents:
diff
changeset
|
43 |
9fd64dd2617d
docs: document how to use Alembic for database migrations
Søren Løvborg <sorenl@unity3d.com>
parents:
diff
changeset
|
44 6. Edit the script to clean it up and fix any problems. |
9fd64dd2617d
docs: document how to use Alembic for database migrations
Søren Løvborg <sorenl@unity3d.com>
parents:
diff
changeset
|
45 |
9fd64dd2617d
docs: document how to use Alembic for database migrations
Søren Løvborg <sorenl@unity3d.com>
parents:
diff
changeset
|
46 Note that for changes that simply add columns, it may be appropriate |
9fd64dd2617d
docs: document how to use Alembic for database migrations
Søren Løvborg <sorenl@unity3d.com>
parents:
diff
changeset
|
47 to not remove them in the downgrade script (and instead do nothing), |
9fd64dd2617d
docs: document how to use Alembic for database migrations
Søren Løvborg <sorenl@unity3d.com>
parents:
diff
changeset
|
48 to avoid the loss of data. Unknown columns will simply be ignored by |
9fd64dd2617d
docs: document how to use Alembic for database migrations
Søren Løvborg <sorenl@unity3d.com>
parents:
diff
changeset
|
49 Kallithea versions predating your changes. |
9fd64dd2617d
docs: document how to use Alembic for database migrations
Søren Løvborg <sorenl@unity3d.com>
parents:
diff
changeset
|
50 |
9fd64dd2617d
docs: document how to use Alembic for database migrations
Søren Løvborg <sorenl@unity3d.com>
parents:
diff
changeset
|
51 7. Run ``alembic -c development.ini upgrade head`` to apply changes to |
9fd64dd2617d
docs: document how to use Alembic for database migrations
Søren Løvborg <sorenl@unity3d.com>
parents:
diff
changeset
|
52 the (non-throwaway) database, and test the upgrade script. Also test |
9fd64dd2617d
docs: document how to use Alembic for database migrations
Søren Løvborg <sorenl@unity3d.com>
parents:
diff
changeset
|
53 downgrades. |
9fd64dd2617d
docs: document how to use Alembic for database migrations
Søren Løvborg <sorenl@unity3d.com>
parents:
diff
changeset
|
54 |
9fd64dd2617d
docs: document how to use Alembic for database migrations
Søren Løvborg <sorenl@unity3d.com>
parents:
diff
changeset
|
55 The included ``development.ini`` has full SQL logging enabled. If |
9fd64dd2617d
docs: document how to use Alembic for database migrations
Søren Løvborg <sorenl@unity3d.com>
parents:
diff
changeset
|
56 you're using another configuration file, you may want to enable it |
9fd64dd2617d
docs: document how to use Alembic for database migrations
Søren Løvborg <sorenl@unity3d.com>
parents:
diff
changeset
|
57 by setting ``level = DEBUG`` in section ``[handler_console_sql]``. |
9fd64dd2617d
docs: document how to use Alembic for database migrations
Søren Løvborg <sorenl@unity3d.com>
parents:
diff
changeset
|
58 |
9fd64dd2617d
docs: document how to use Alembic for database migrations
Søren Løvborg <sorenl@unity3d.com>
parents:
diff
changeset
|
59 The Alembic migration script should be committed in the same revision as |
9fd64dd2617d
docs: document how to use Alembic for database migrations
Søren Løvborg <sorenl@unity3d.com>
parents:
diff
changeset
|
60 the database schema (``db.py``) changes. |
9fd64dd2617d
docs: document how to use Alembic for database migrations
Søren Løvborg <sorenl@unity3d.com>
parents:
diff
changeset
|
61 |
9fd64dd2617d
docs: document how to use Alembic for database migrations
Søren Løvborg <sorenl@unity3d.com>
parents:
diff
changeset
|
62 See the `Alembic documentation`__ for more information, in particular |
9fd64dd2617d
docs: document how to use Alembic for database migrations
Søren Løvborg <sorenl@unity3d.com>
parents:
diff
changeset
|
63 the tutorial and the section about auto-generating migration scripts. |
9fd64dd2617d
docs: document how to use Alembic for database migrations
Søren Løvborg <sorenl@unity3d.com>
parents:
diff
changeset
|
64 |
9fd64dd2617d
docs: document how to use Alembic for database migrations
Søren Løvborg <sorenl@unity3d.com>
parents:
diff
changeset
|
65 .. __: http://alembic.zzzcomputing.com/en/latest/ |
9fd64dd2617d
docs: document how to use Alembic for database migrations
Søren Løvborg <sorenl@unity3d.com>
parents:
diff
changeset
|
66 |
9fd64dd2617d
docs: document how to use Alembic for database migrations
Søren Løvborg <sorenl@unity3d.com>
parents:
diff
changeset
|
67 |
9fd64dd2617d
docs: document how to use Alembic for database migrations
Søren Løvborg <sorenl@unity3d.com>
parents:
diff
changeset
|
68 Troubleshooting |
9fd64dd2617d
docs: document how to use Alembic for database migrations
Søren Løvborg <sorenl@unity3d.com>
parents:
diff
changeset
|
69 --------------- |
9fd64dd2617d
docs: document how to use Alembic for database migrations
Søren Løvborg <sorenl@unity3d.com>
parents:
diff
changeset
|
70 |
9fd64dd2617d
docs: document how to use Alembic for database migrations
Søren Løvborg <sorenl@unity3d.com>
parents:
diff
changeset
|
71 * If ``alembic --autogenerate`` responds "Target database is not up to |
9fd64dd2617d
docs: document how to use Alembic for database migrations
Søren Løvborg <sorenl@unity3d.com>
parents:
diff
changeset
|
72 date", you need to either first use Alembic to upgrade the database |
9fd64dd2617d
docs: document how to use Alembic for database migrations
Søren Løvborg <sorenl@unity3d.com>
parents:
diff
changeset
|
73 to the most recent version (before your changes), or recreate the |
9fd64dd2617d
docs: document how to use Alembic for database migrations
Søren Løvborg <sorenl@unity3d.com>
parents:
diff
changeset
|
74 database from scratch (without your schema changes applied). |