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grml-live-db(8)
===============
Name
----
grml-live-db - log package build information of grml-live to database
Synopsis
--------
dpkg-to-db [ options ] || db-to-fai /path/to/grml-live.db <build-id>
Introduction
------------
The grml-live-db Debian package provides a simple way to put build information
of grml-live into a database. By default you have to do nothing but install
grml-live-db and during each invocation of grml-live you'll get an additional
entry in the sqlite3 database /var/log/grml-live.db. If you want to customize
the database logging check out the following sections in this manpage.
Provided scripts
----------------
/usr/share/grml-live-db/scripts/dpkg-to-db adds grml-live build information
(output of 'dpkg --list') and a logfile into a sqlite3 database. This script is
used by default if grml-live-db is installed (no configuration needed by
default).
/usr/share/grml-live-db/scripts/db-to-fai converts output of grml-live's sqlite
database for use within FAI. This script is useful if you want to reproduce a
certain build with specific package versions. Please note that you need the
according Debian mirrors providing all the specific package versions of course.
Options
-------
dpkg-to-db supports the following options (and all except for --help
are mandatory!):
--help
Print help message and exit.
--database <database>
Use specified database file.
--dpkg <dpkgfile>
Use specified dpkgfile as `dpkg --list` output file of grml-live build.
--logfile <logfile>
Logfile thath should be added to the database entry.
--flavour <flavour>
Name of the grml-live flavour that was being built.
The db-to-fai script does not support any options but needs to be invoked with
path to the grml-live database and the build id.
Configuration and using custom database wrapper scripts
-------------------------------------------------------
The following configuration variables are available and can be adjusted:
DPKG_DATABASE=/var/log/grml-live.db
Path to the database file that should be used for storing the build information.
This database is used within dpkg-to-db by default.
DPKG_DBSCRIPT=/usr/share/grml-live-db/scripts/dpkg-to-db
The database wrapper script that's used for storing the build information.
If you do not want to log to the sqlite3 database but instead use your own
abstraction layer just point this variable to your favourite script.
DPKG_DBOPTIONS="--database $DPKG_DATABASE --logfile $LOGFILE --flavour $GRML_NAME --dpkg $DPKG_LIST"
If the database script ($DPKG_DBSCRIPT) requires any command line options
specify it through this variable.
Usage Examples
--------------
How dpkg-to-db is being used inside grml-live:
/usr/share/grml-live-db/scripts/dpkg-to-db --database /var/log/grml-live.db --logfile /var/log/grml-live.log --flavour $GRML_NAME --dpkg /var/log/fai/$HOSTNAME/last/dpkg.list
Manually insert data to database:
# /usr/share/grml-live-db/scripts/dpkg-to-db --database ./grml-live.db --logfile /tmp/logfile --flavour grml-full --dpkg ./dpkg.list
Retrieve build information of a specific build for use within FAI:
# /usr/share/grml-live-db/scripts/db-to-fai /var/log/grml-live.db 6 > /etc/grml/fai/config/package_config/REPRODUCE
Describe schema of database:
# echo '.schema' | sqlite3 /var/log/grml-live.db
Database queries:
# echo 'SELECT package,version,status,build.flavour,build.identifier FROM packages, build WHERE build.identifier = "grml-full-20091213012517" AND packages.build = build.id ; ' | sqlite3 /var/log/grml-live.db
# echo 'SELECT package,version,status,build.flavour,build.identifier FROM packages, build WHERE build.id = 7 AND packages.build = build.id ; ' | sqlite3 /var/log/grml-live.db
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