mirror of https://github.com/BOINC/boinc.git
262 lines
12 KiB
PHP
262 lines
12 KiB
PHP
<?php
|
|
|
|
// MORE WORK IS NEEDED ON THIS IMPORTANT FILE. THE DEPRECATED <FOO/> ELEMENTS SHOULD BE CHANGED TO <FOO> 1 </FOO>.
|
|
// MANY OF THE TAGS BELOW ARE NOT EXPLAINED IN THE DOCUMENTATION, AND THE LIST HERE IS PROBABLY NOT COMPLETE.
|
|
|
|
require_once("docutil.php");
|
|
|
|
|
|
page_head("The project configuration file");
|
|
echo "<!-- \$Id$ -->\n";
|
|
|
|
echo"
|
|
A project is described by a configuration file
|
|
named <b>config.xml</b> in the project's directory.
|
|
A config.xml file looks like this:
|
|
<pre>",
|
|
htmlspecialchars("
|
|
<boinc>
|
|
|
|
<config>
|
|
<host> project.hostname.ip </host>
|
|
<db_name> databasename </db_name>
|
|
<db_host> database.host.ip </db_host>
|
|
<db_user> database_user_name </db_user>
|
|
<db_passwd> database_password </db_passwd>
|
|
<shmem_key> shared_memory_key </shmem_key>
|
|
<download_url> http://A/URL </download_url>
|
|
<download_dir> /path/to/directory </download_dir>
|
|
<download_dir_alt> /path/to/directory </download_dir_alt>
|
|
<uldl_dir_fanout> N </uldl_dir_fanout>
|
|
<upload_url> http://A/URL </upload_url>
|
|
<upload_dir> /path/to/directory </upload_dir>
|
|
<cgi_url> http://A/URL </cgi_url>
|
|
<stripchart_cgi_url> http://A/URL </stripchart_cgi_url>
|
|
<log_dir> /path/to/directory </log_dir>
|
|
|
|
[ <disable_account_creation/> ]
|
|
[ <show_results/> ]
|
|
[ <one_result_per_user_per_wu/> ]
|
|
[ <max_wus_to_send> N </max_wus_to_send> ]
|
|
[ <min_sendwork_interval> N </min_sendwork_interval> ]
|
|
[ <daily_result_quota> N </daily_result_quota> ]
|
|
[ <ignore_delay_bound/> ]
|
|
[ <locality_scheduling/> ]
|
|
[ <locality_scheduling_wait_period> N </locality_scheduling_wait_period> ]
|
|
[ <min_core_client_version> N </min_core_client_version ]
|
|
[ <choose_download_url_by_timezone/> ]
|
|
[ <cache_md5_info/> ]
|
|
[ <min_core_client_version_announced> N </min_core_client_version_announced> ]
|
|
[ <min_core_client_upgrade_deadline> N </min_core_client_upgrade_deadline> ]
|
|
|
|
|
|
<!-- optional; defaults as indicated: -->
|
|
<project_dir> ../ </project_dir> <!-- relative to location of 'start' -->
|
|
<bin_dir> bin </bin_dir> <!-- relative to project_dir -->
|
|
<cgi_bin_dir> cgi-bin </cgi_dir> <!-- relative to project_dir -->
|
|
</config>
|
|
|
|
<daemons>
|
|
<daemon>
|
|
<cmd> feeder -d 3 </cmd>
|
|
[ <host> hostname.ip </host> ]
|
|
[ <disabled> 1 </disabled> ]
|
|
</daemon>
|
|
<daemon>
|
|
...
|
|
</daemon>
|
|
</daemons>
|
|
|
|
<tasks>
|
|
<task>
|
|
<cmd> get_load </cmd>
|
|
<output> get_load.out </output>
|
|
<period> 5 min </period>
|
|
[ <host> host.ip </host> ]
|
|
[ <disabled> 1 </disabled> ]
|
|
[ <always_run> 1 </always_run> ]
|
|
</task>
|
|
<task>
|
|
<cmd> echo \"HI\" | mail root@example.com </cmd>
|
|
<output> /dev/null </output>
|
|
<period> 1 day </period>
|
|
</task>
|
|
<task>
|
|
...
|
|
</task>
|
|
</tasks>
|
|
|
|
</boinc>
|
|
"),
|
|
"</pre>
|
|
";
|
|
|
|
echo "<b>The general project configuration elements are:</b>";
|
|
list_start();
|
|
list_item("host", "name of project's main host, as given by Python's socket.hostname(). Daemons and tasks run on this host by default.");
|
|
list_item("db_name", "Database name");
|
|
list_item("db_host", "Database host machine");
|
|
list_item("db_user", "Database user name");
|
|
list_item("db_passwd", "Database password");
|
|
list_item("shmem_key", "ID of scheduler shared memory. Must be unique on host.");
|
|
list_item("download_url", "URL of data server for download");
|
|
list_item("download_dir", "absolute path of download directory");
|
|
list_item("download_dir_alt",
|
|
"absolute path of old download directory
|
|
(see <a href=hier_dir.php>Hierarchical upload/download directories</a>)"
|
|
);
|
|
list_item("upload_url", "URL of file upload handler");
|
|
list_item("uldl_dir_fanout", "fan-out factor of upload and download directories
|
|
(see <a href=hier_dir.php>Hierarchical upload/download directories</a>)"
|
|
);
|
|
list_item("upload_dir", "absolute path of upload directory");
|
|
list_item("cgi_url", "URL of scheduling server");
|
|
list_item("stripchart_cgi_url", "URL of stripchart server");
|
|
list_item("log_dir", "Path to the directory where the assimilator, feeder, transitioner and
|
|
cgi output logs are stored. This allows you to change the default log
|
|
directory path. If set explicitly, you can also use the 'grep logs'
|
|
features on the administrative pages. Note: enabling 'grep logs' with
|
|
very long log files can hang your server, since grepping GB files can
|
|
take a long time. If you enable this feature, be sure to rotate the
|
|
logs so that they are not too big.");
|
|
list_end();
|
|
|
|
echo "
|
|
<b>The following control features that you may or may not want
|
|
available to users.</b>
|
|
";
|
|
list_start();
|
|
list_item("disable_account_creation",
|
|
"If present, disallow account creation"
|
|
);
|
|
list_item("show_results",
|
|
"Enable web site features that show results (per user, host, etc.)"
|
|
);
|
|
list_end();
|
|
|
|
echo "
|
|
<b>The following control the way in which results are scheduled, sent,
|
|
and assigned to users and hosts.</b>
|
|
";
|
|
list_start();
|
|
list_item("one_result_per_user_per_wu",
|
|
"If present, send at most one result of a given workunit to a given user.
|
|
This is useful for checking accuracy/validity of results.
|
|
It ensures that the results for a given workunit are generated by
|
|
<b>different</b> users.
|
|
If you have a validator that compares different results
|
|
for a given workunits to ensure that they are equivalent,
|
|
you should probably enable this.
|
|
Otherwise you may end up validating results from a given user
|
|
with results from the <b>same</b> user."
|
|
);
|
|
list_item("max_wus_to_send",
|
|
"Maximum results sent per scheduler RPC. Helps prevent hosts with
|
|
trouble from getting too many results and trashing them. But you
|
|
should set this large enough so that a host which is only connected to
|
|
the net at intervals has enough work to keep it occupied in between
|
|
connections."
|
|
);
|
|
list_item("min_sendwork_interval",
|
|
"Minimum number of seconds to wait after sending results to a given
|
|
host, before new results are sent to the same host. Helps prevent
|
|
hosts with download or application problems from trashing lots of
|
|
results by returning lots of error results. But don't set it to be so
|
|
long that a host goes idle after completing its work, before getting
|
|
new work."
|
|
);
|
|
list_item("daily_result_quota",
|
|
"Maximum number of results (per CPU) sent to a given host in a 24-hour
|
|
period. Helps prevent hosts with download or application problems from
|
|
returning lots of error results. Be sure to set it large enough that
|
|
a host does not go idle in a 24-hour period, and can download enough
|
|
work to keep it busy if disconnected from the net for a few days. The
|
|
maximum number of CPUS is bounded at four."
|
|
);
|
|
list_item("ignore_delay_bound",
|
|
"By default, results are not sent to hosts too slow to complete them within delay bound.
|
|
If this flag is set, this rule is not enforced."
|
|
);
|
|
list_item("locality_scheduling",
|
|
"When possible, send work that uses the same files that the host
|
|
already has. This is intended for projects which have large data
|
|
files, where many different workunits use the same data file. In
|
|
this case, to reduce download demands on the server, it may be
|
|
advantageous to retain the data files on the hosts, and send
|
|
them work for the files that they already have.
|
|
See <a href=sched_locality.php>Scheduling Locality</a>."
|
|
);
|
|
list_item("locality_scheduling_wait_period",
|
|
"This element only has an effect when used in conjunction with the
|
|
previous locality scheduling element. It tells the scheduler to
|
|
use 'trigger files' to inform the project that more work is
|
|
needed for specific files. The period is the number of seconds
|
|
which the scheduler will wait to see if the project can create
|
|
additional work. Together with project-specific daemons or
|
|
scripts this can be used for 'just-in-time' workunit
|
|
creation. See <a href=sched_locality.php>Scheduling Locality</a>."
|
|
);
|
|
list_item("min_core_client_version",
|
|
"If the scheduler gets a request from a client with
|
|
a version number less than this,
|
|
it returns an error message and doesn't do any other processing."
|
|
);
|
|
list_item("choose_download_url_by_timezone",
|
|
"When the scheduler sends work to hosts, it replaces the download
|
|
URL appearing in the data and executable file descriptions with
|
|
the download URL closest to the host's timezone. The project
|
|
must provide a two-column file called 'download_servers' in the
|
|
project root directory. This is a list of all download servers
|
|
that will be inserted when work is sent to hosts. The first column
|
|
is an integer listing the server's offset in seconds from UTC.
|
|
The second column is the server URL in the format such as
|
|
http://einstein.phys.uwm.edu. The download servers must
|
|
have identical file hierarchies and contents, and the path to
|
|
file and executables must start with '/download/...' as in
|
|
'http://einstein.phys.uwm.edu/download/123/some_file_name'."
|
|
);
|
|
list_item("cache_md5_info",
|
|
"When creating work, keep a record (in files called foo.md5) of the
|
|
file length and md5 sum of data files and executables. This can
|
|
greatly reduce the time needed to create work, if (1) these files
|
|
are re-used, and (2) there are many of these files, and (3) reading
|
|
the files from disk is time-consuming."
|
|
);
|
|
list_item("min_core_client_version_announced",
|
|
"Announce a new version of the BOINC core client, which in the future
|
|
will be the minimum required version. In conjunction with the next
|
|
tag, you can warn users with version below this to upgrade by a
|
|
specified deadline. Example value: 419."
|
|
);
|
|
list_item("min_core_client_upgrade_deadline",
|
|
"Use in conjunction with the previous tag. The value given here is the
|
|
Unix epoch returned by time(2) until which hosts can update their
|
|
core client. After this time, they may be shut out of the project.
|
|
Before this time, they will receive messages warning them to upgrade."
|
|
);
|
|
list_end();
|
|
|
|
// THE INFORMATION BELOW NEEDS TO BE ORGANIZED AND PUT INTO TABLES OR SOME OTHER LESS CRAMPED FORM
|
|
echo "
|
|
<b>Tasks</b> are periodic, short-running jobs.
|
|
<cmd> and <period> are required.
|
|
OUTPUT specifies the file to output and by default is COMMAND_BASE_NAME.out.
|
|
Commands are run in the <bin_dir> directory
|
|
which is a path relative to <project_dir> and output to <log_dir>.
|
|
|
|
<p>
|
|
<b>Daemons</b> are continuously-running programs.
|
|
The process ID is recorded in the <pid_dir> directory
|
|
and the process is sent a SIGHUP in a DISABLE operation.
|
|
<p>
|
|
Both tasks and daemons can run on a different host (specified by <host>).
|
|
The default is the project's main host, which is specified in config.host
|
|
A daemon or task can be turned off by adding the <disabled> element.
|
|
As well, there may be some tasks you wish to run via cron regardless of
|
|
whether or not the project is enabled (for example, a script that logs the
|
|
current CPU load of the host machine). You can do so by adding the
|
|
<always_run> element (<disabled> takes precedence over <always_run>).
|
|
";
|
|
page_tail();
|
|
?>
|