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Commit fb69b0f5 authored by mozilla%colinogilvie.co.uk's avatar mozilla%colinogilvie.co.uk
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Bug 252272: Allow extremely large attachments to be stored locally

Patch by A. Karl Kornel <karl@kornel.name>, r=joel,colin
parent 8920e495
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docs/en/xml/installation.xml
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<!-- <!DOCTYPE chapter PUBLIC "-//OASIS//DTD DocBook XML V4.1.2//EN"> -->
<!-- $Id: installation.xml,v 1.99 2008/04/04 06:47:29 mozilla%colinogilvie.co.uk Exp $ -->
<!-- $Id: installation.xml,v 1.100 2008/04/04 06:47:30 mozilla%colinogilvie.co.uk Exp $ -->
<chapter id="installing-bugzilla">
<title>Installing Bugzilla</title>
......@@ -651,6 +651,14 @@
'max_allowed_packet' or 'maxattachmentsize' value will not be
accepted by Bugzilla.
</para>
<note>
<para>
This does not affect Big Files, attachments that are stored directly
on disk instead of in the database. Their maximum size is
controlled using the 'maxlocalattachment' parameter.
</para>
</note>
</section>
......@@ -707,6 +715,13 @@
to make a temporary copy of your entire table to do this. Ideally,
you should do this when your attachments table is still small.
</para>
<note>
<para>
This does not affect Big Files, attachments that are stored directly
on disk instead of in the database.
</para>
</note>
</section>
<section id="install-setupdatabase-adduser">
......
docs/en/xml/using.xml
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......@@ -234,8 +234,12 @@
<listitem>
<para>
<emphasis>Attachments:</emphasis>
You can attach files (e.g. testcases or patches) to bugs. If there
are any attachments, they are listed in this section.</para>
You can attach files (e.g. testcases or patches) to bugs. If there
are any attachments, they are listed in this section. Attachments are
normally stored in the Bugzilla database, unless they are marked as
Big Files, which are stored directly on disk and (unlike attachments
kept in the database) may be deleted at some future time.
</para>
</listitem>
<listitem>
......@@ -261,6 +265,28 @@
</orderedlist>
</section>
<section id="lifecycle">
<title>Life Cycle of a Bug</title>
<para>
The life cycle, also known as work flow, of a bug is currently hardcoded
into Bugzilla. <xref linkend="lifecycle-image"/> contains a graphical
repsentation of this life cycle. If you wish to customize this image for
your site, the <ulink url="../images/bzLifecycle.xml">diagram file</ulink>
is available in <ulink url="http://www.gnome.org/projects/dia">Dia's</ulink>
native XML format.
</para>
<figure id="lifecycle-image">
<title>Lifecycle of a Bugzilla Bug</title>
<mediaobject>
<imageobject>
<imagedata fileref="../images/bzLifecycle.png" scale="66" />
</imageobject>
</mediaobject>
</figure>
</section>
<section id="query">
<title>Searching for Bugs</title>
......@@ -278,8 +304,144 @@
<para>Once you've run a search, you can save it as a Saved Search, which
appears in the page footer.</para>
<para>Highly advanced querying is done using Boolean Charts. See the
Boolean Charts help link on the Search page for more information.</para>
<section id="boolean">
<title>Boolean Charts</title>
<para>
Highly advanced querying is done using Boolean Charts.
</para>
<para>
The boolean charts further restrict the set of results
returned by a query. It is possible to search for bugs
based on elaborate combinations of critera.
</para>
<para>
The simplest boolean searches have only one term. These searches
permit the selected left <emphasis>field</emphasis>
to be compared using a
selectable <emphasis>operator</emphasis> to a
specified <emphasis>value.</emphasis>
Using the "And," "Or," and "Add Another Boolean Chart" buttons,
additonal terms can be included in the query, further
altering the list of bugs returned by the query.
</para>
<para>
There are three fields in each row of a boolean search.
</para>
<itemizedlist>
<listitem>
<para>
<emphasis>Field:</emphasis>
the items being searched
</para>
</listitem>
<listitem>
<para>
<emphasis>Operator:</emphasis>
the comparison operator
</para>
</listitem>
<listitem>
<para>
<emphasis>Value:</emphasis>
the value to which the field is being compared
</para>
</listitem>
</itemizedlist>
<section id="pronouns">
<title>Pronoun Substitution</title>
<para>
Sometimes, a query needs to compare a field containing
a user's ID (such as ReportedBy) with
a user's ID (such as the user running the query or the user
to whom each bug is assigned). When the operator is either
"equals" or "notequals", the value can be "%reporter%",
"%assignee%", "%qacontact%", or "%user%." The user pronoun
referes to the user who is executing the query or, in the case
of whining reports, the user who will be the recipient
of the report. The reporter, assignee, and qacontact
pronouns refer to the corresponding fields in the bug.
</para>
</section>
<section id="negation">
<title>Negation</title>
<para>
At first glance, negation seems redundant. Rather than
searching for
<blockquote>
<para>
NOT("summary" "contains the string" "foo"),
</para>
</blockquote>
one could search for
<blockquote>
<para>
("summary" "does not contain the string" "foo").
</para>
</blockquote>
However, the search
<blockquote>
<para>
("CC" "does not contain the string" "@mozilla.org")
</para>
</blockquote>
would find every bug where anyone on the CC list did not contain
"@mozilla.org" while
<blockquote>
<para>
NOT("CC" "contains the string" "@mozilla.org")
</para>
</blockquote>
would find every bug where there was nobody on the CC list who
did contain the string. Similarly, the use of negation also permits
complex expressions to be built using terms OR'd together and then
negated. Negation permits queries such as
<blockquote>
<para>
NOT(("product" "equals" "update") OR
("component" "equals" "Documentation"))
</para>
</blockquote>
to find bugs that are neither
in the update product or in the documentation component or
<blockquote>
<para>
NOT(("commenter" "equals" "%assignee%") OR
("component" "equals" "Documentation"))
</para>
</blockquote>
to find non-documentation
bugs on which the assignee has never commented.
</para>
</section>
<section id="multiplecharts">
<title>Multiple Charts</title>
<para>
The terms within a single row of a boolean chart are all
constraints on a single piece of data. If you are looking for
a bug that has two different people cc'd on it, then you need
to use two boolean charts. A search for
<blockquote>
<para>
("cc" "contains the string" "foo@") AND
("cc" "contains the string" "@mozilla.org")
</para>
</blockquote>
would return only bugs with "foo@mozilla.org" on the cc list.
If you wanted bugs where there is someone on the cc list
containing "foo@" and someone else containing "@mozilla.org",
then you would need two boolean charts.
<blockquote>
<para>
First chart: ("cc" "contains the string" "foo@")
</para>
<para>
Second chart: ("cc" "contains the string" "@mozilla.org")
</para>
</blockquote>
The bugs listed will be only the bugs where ALL the charts are true.
</para>
</section>
</section>
</section>
<section id="list">
......@@ -303,7 +465,22 @@
get the buglist as comma-separated values, for import into e.g.
a spreadsheet.</member>
<member>
<emphasis>RSS</emphasis>
get the buglist as an RSS 1.0 feed. Copy this link into your
favorite feed reader. If you are using Firefox, you can also
save the list as a live bookmark by clicking the live bookmark
icon in the status bar. To limit the number of bugs in the feed,
add a limit=n parameter to the URL.</member>
<member>
<emphasis>iCalendar</emphasis>
Get the buglist as an iCalendar file. Each bug is represented as a
to-do item in the imported calendar.</member>
<member>
<emphasis>Change Columns:</emphasis>
......@@ -314,12 +491,12 @@
If your account is sufficiently empowered, you can make the same
change to all the bugs in the list - for example, changing their
owner.</member>
assignee.</member>
<member>
<emphasis>Send mail to bug owners:</emphasis>
<emphasis>Send mail to bug assignees:</emphasis>
Sends mail to the owners of all bugs on the list.</member>
Sends mail to the assignees of all bugs on the list.</member>
<member>
<emphasis>Edit Search:</emphasis>
......@@ -336,6 +513,17 @@
</member>
</simplelist>
</para>
<para>
If you would like to access the bug list from another program
it is often useful to have the list returned in something other
than HTML. By adding the ctype=type parameter into the bug list URL
you can specify several alternate formats. The supported formats
are: Comma Separated Values (ctype=csv), iCalendar (ctype=ics),
RDF Site Summary (RSS) 1.0 (ctype=rss), ECMAScript, also known
as JavaScript (ctype=js), and finally Resource Description Framework
RDF/XML (ctype=rdf).
</para>
</section>
<section id="bugreports">
......@@ -590,7 +778,17 @@
Content-Type (e.g. application/xhtml+xml), you can override this
using a 'content-type' parameter on the URL, e.g.
<filename>&amp;content-type=text/plain</filename>.
</para>
</para>
<para>
If you have a really large attachment, something that does not need to
be recorded forever (as most attachments are), you can mark your
attachment as a Big File, Assuming the administrator of the
installation has enabled this feature. Big Files are stored directly on
disk instead of in the database, and can be deleted when it is no longer
needed. The maximum size of a Big File is normally larger than the
maximum size of a regular attachment.
</para>
</section>
</section>
......@@ -619,30 +817,144 @@
<section id="emailsettings">
<title>Email Settings</title>
<para>On this tab you can reduce or increase the amount of email sent
you from Bugzilla, opting in our out depending on your relationship to
the bug and the change that was made to it.
<para>
This tab controls the amount of email Bugzilla sends you.
</para>
<para>
You can also do further filtering on the client side by
using the X-Bugzilla-Reason mail header which Bugzilla
adds to all bugmail. This tells you what relationship you have to the
bug in question,
and can be any of Owner, Reporter, QAcontact, CClist, Voter and
WatchingComponent.</para>
The first item on this page is marked <quote>Users to watch</quote>.
When you enter one or more comma-delineated user accounts (usually email
addresses) into the text entry box, you will receive a copy of all the
bugmail those users are sent (security settings permitting).
This powerful functionality enables seamless transitions as developers
change projects or users go on holiday.
</para>
<para>By entering user email names, delineated by commas, into the
"Users to watch" text entry box you can receive a copy of all the
bugmail of other users (security settings permitting.) This powerful
functionality enables seamless transitions as developers change
projects or users go on holiday.</para>
<note>
<para>
The ability to watch other users may not be available in all
Bugzilla installations. If you don't see this feature, and feel
that you need it, speak to your administrator.
</para>
</note>
<para>
In general, users have almost complete control over how much (or
how little) email Bugzilla sends them. If you want to receive the
maximum amount of email possible, click the <quote>Enable All
Mail</quote> button. If you don't want to receive any email from
Bugzilla at all, click the <quote>Disable All Mail</quote> button.
</para>
<note>
<para>The ability to watch other users may not be available in all
Bugzilla installations. If you can't see it, ask your
administrator.</para>
<para>
Your Bugzilla administrator can stop a user from receiving
bugmail by adding the user's name to the
<filename>data/nomail</filename> file. This is a drastic step
best taken only for disabled accounts, as it overrides the
the user's individual mail preferences.
</para>
</note>
<para>
If you'd like to set your bugmail to something besides
'Completely ON' and 'Completely OFF', the
<quote>Field/recipient specific options</quote> table
allows you to do just that. The rows of the table
define events that can happen to a bug -- things like
attachments being added, new comments being made, the
priority changing, etc. The columns in the table define
your relationship with the bug:
</para>
<itemizedlist spacing="compact">
<listitem>
<para>
Reporter - Where you are the person who initially
reported the bug. Your name/account appears in the
<quote>Reporter:</quote> field.
</para>
</listitem>
<listitem>
<para>
Assignee - Where you are the person who has been
designated as the one responsible for the bug. Your
name/account appears in the <quote>Assigned To:</quote>
field of the bug.
</para>
</listitem>
<listitem>
<para>
QA Contact - You are one of the designated
QA Contacts for the bug. Your account appears in the
<quote>QA Contact:</quote> text-box of the bug.
</para>
</listitem>
<listitem>
<para>
CC - You are on the list CC List for the bug.
Your account appears in the <quote>CC:</quote> text box
of the bug.
</para>
</listitem>
<listitem>
<para>
Voter - You have placed one or more votes for the bug.
Your account appears only if someone clicks on the
<quote>Show votes for this bug</quote> link on the bug.
</para>
</listitem>
</itemizedlist>
<note>
<para>
Some columns may not be visible for your installation, depending
on your site's configuration.
</para>
</note>
<para>
To fine-tune your bugmail, decide the events for which you want
to receive bugmail; then decide if you want to receive it all
the time (enable the checkbox for every column), or only when
you have a certain relationship with a bug (enable the checkbox
only for those columns). For example: if you didn't want to
receive mail when someone added themselves to the CC list, you
could uncheck all the boxes in the <quote>CC Field Changes</quote>
line. As another example, if you never wanted to receive email
on bugs you reported unless the bug was resolved, you would
un-check all boxes in the <quote>Reporter</quote> column
except for the one on the <quote>The bug is resolved or
verified</quote> row.
</para>
<note>
<para>
Bugzilla adds the <quote>X-Bugzilla-Reason</quote> header to
all bugmail it sends, describing the recipient's relationship
(AssignedTo, Reporter, QAContact, CC, or Voter) to the bug.
This header can be used to do further client-side filtering.
</para>
</note>
<para>
Two items not in the table (<quote>Email me when someone
asks me to set a flag</quote> and <quote>Email me when someone
sets a flag I asked for</quote>) define how you want to
receive bugmail with regards to flags. Their use is quite
straightforward; enable the checkboxes if you want Bugzilla to
send you mail under either of the above conditions.
</para>
<para>
By default, Bugzilla sends out email regardless of who made the
change... even if you were the one responsible for generating
the email in the first place. If you don't care to receive bugmail
from your own changes, check the box marked <quote>Only email me
reports of changes made by other people</quote>.
</para>
</section>
<section id="permissionsettings">
......@@ -862,6 +1174,214 @@
</para>
</section>
<section id="whining">
<title>Whining</title>
<para>
Whining is a feature in Bugzilla that can regularly annoy users at
specified times. Using this feature, users can execute saved searches
at specific times (i.e. the 15th of the month at midnight) or at
regular intervals (i.e. every 15 minutes on Sundays). The results of the
searches are sent to the user, either as a single email or as one email
per bug, along with some descriptive text.
</para>
<warning>
<para>
Throughout this section it will be assumed that all users are members
of the bz_canusewhines group, membership in which is required in order
to use the Whining system. You can easily make all users members of
the bz_canusewhines group by setting the User RegExp to ".*" (without
the quotes).
</para>
<para>
Also worth noting is the bz_canusewhineatothers group. Members of this
group can create whines for any user or group in Bugzilla using a
extended form of the whining interface. Features only available to
members of the bz_canusewhineatothers group will be noted in the
appropriate places.
</para>
</warning>
<note>
<para>
For whining to work, a special Perl script must be executed at regular
intervals. More information on this is available in
<xref linkend="installation-whining"/>.
</para>
</note>
<note>
<para>
This section does not cover the whineatnews.pl script. See
<xref linkend="installation-whining-cron"/> for more information on
The Whining Cron.
</para>
</note>
<section id="whining-overview">
<title>The Event</title>
<para>
The whining system defines an "Event" as one or more queries being
executed at regular intervals, with the results of said queries (if
there are any) being emailed to the user. Events are created by
clicking on the "Add new event" button.
</para>
<para>
Once a new event is created, the first thing to set is the "Email
subject line". The contents of this field will be used in the subject
line of every email generated by this event. In addition to setting a
subject, space is provided to enter some descriptive text that will be
included at the top of each message (to help you in understanding why
you received the email in the first place).
</para>
<para>
The next step is to specify when the Event is to be run (the Schedule)
and what searches are to be performed (the Queries).
</para>
</section>
<section id="whining-schedule">
<title>Whining Schedule</title>
<para>
Each whining event is associated with zero or more schedules. A
schedule is used to specify when the query (specified below) is to be
run. A new event starts out with no schedules (which means it will
never run, as it is not scheduled to run). To add a schedule, press
the "Add a new schedule" button.
</para>
<para>
Each schedule includes an interval, which you use to tell Bugzilla
when the event should be run. An event can be run on certain days of
the week, certain days of the month, during weekdays (defined as
Monday through Friday), or every day.
</para>
<warning>
<para>
Be careful if you set your event to run on the 29th, 30th, or 31st of
the month, as your event may not run exactly when expected. If you
want your event to run on the last day of the month, select "Last day
of the month" as the interval.
</para>
</warning>
<para>
Once you have specified the day(s) on which the event is to be run, you
should now specify the time at which the event is to be run. You can
have the event run at a certain hour on the specified day(s), or
every hour, half-hour, or quarter-hour on the specified day(s).
</para>
<para>
If a single schedule does not execute an event as many times as you
would want, you can create another schedule for the same event. For
example, if you want to run an event on days whose numbers are
divisible by seven, you would need to add four schedules to the event,
setting the schedules to run on the 7th, 14th, 21st, and 28th (one day
per schedule) at whatever time (or times) you choose.
</para>
<note>
<para>
If you are a member of the bz_canusewhineatothers group, then you
will be presented with another option: "Mail to". Using this you
can control who will receive the emails generated by this event. You
can choose to send the emails to a single user (identified by email
address) or a single group (identified by group name). To send to
multiple users or groups, create a new schedule for each additional
user/group.
</para>
</note>
</section>
<section id="whining-query">
<title>Whining Queries</title>
<para>
Each whining event is associated with zero or more queries. A query is
a saved search that is executed on the schedule specified (see above).
You start out with zero queries attached to the event (which means that
the event will not run, as there will never be any results to return).
To add a query, press the "Add a new query" button.
</para>
<para>
The first field to examine in your new query is the Sort field. Queries
are executed, and results returned, in the order specified by the Sort
field. Queries with lower Sort values will run before queries with
higher Sort values.
</para>
<para>
The next field to examine is the Search field. This is where you
choose the actual search that is to be run. Instead of defining search
parameters here, you are asked to choose from the list of saved
searches (the same list that appears at the bottom of every Bugzilla
page). You are only allowed to choose from searches that you have
saved yourself (the default saved search, "My Bugs", is not a valid
choice). If you do not have any saved searches, you can take this
opportunity to create one (see <xref linkend="list"/>).
</para>
<note>
<para>
When running queries, the whining system acts as if you are the user
executing the query. This means that the whining system will ignore
bugs that match your query, but that you can not access.
</para>
</note>
<para>
Once you have chosen the saved search to be executed, give the query a
descriptive title. This title will appear in the email, above the
results of the query. If you choose "One message per bug", the query
title will appear at the top of each email that contains a bug matching
your query.
</para>
<para>
Finally, decide if the results of the query should be sent in a single
email, or if each bug should appear in its own email.
</para>
<warning>
<para>
Think carefully before checking the "One message per bug" box. If
you create a query that matches thousands of bugs, you will receive
thousands of emails!
</para>
</warning>
</section>
<section>
<title>Saving Your Changes</title>
<para>
Once you have defined at least one schedule, and created at least one
query, go ahead and "Update/Commit". This will save your Event and make
it available for immediate execution.
</para>
<note>
<para>
If you ever feel like deleting your event, you may do so using the
"Remove Event" button in the upper-right corner of each Event. You
can also modify an existing event, so long as you "Update/Commit"
after completing your modifications.
</para>
</note>
</section>
</section>
</chapter>
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