lemonldap-ng/doc/pages/documentation/1.4/sqlconfbackend.html
2013-11-02 21:09:55 +00:00

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<h1><a name="sql_configuration_backends" id="sql_configuration_backends">SQL configuration backends</a></h1>
<div class="level1">
<p>
There is 3 types of <acronym title="Structured Query Language">SQL</acronym> configuration backends for LemonLDAP::NG :
</p>
<ul>
<li class="level1"><div class="li"> <strong>CDBI</strong> : very simple storage</div>
</li>
<li class="level1"><div class="li"> <strong>RDBI</strong> : triple store storage</div>
</li>
<li class="level1"><div class="li"> <strong><acronym title="Database Interface">DBI</acronym></strong> which has been deprecated: it is a read-only backend that exists just for compatibility with older versions of LemonLDAP::NG. See <a href="../../documentation/1.4/changeconfbackend.html" class="wikilink1" title="documentation:1.4:changeconfbackend">how to change configuration backend</a>.</div>
</li>
</ul>
</div>
<!-- SECTION "SQL configuration backends" [1-382] -->
<h2><a name="lemonldap-ngini_parameters" id="lemonldap-ngini_parameters">Lemonldap-ng.ini parameters</a></h2>
<div class="level2">
<p>
To use a <acronym title="Structured Query Language">SQL</acronym> backend, configure your <code>lemonldap-ng.ini</code> file (section configuration) :
</p>
<ul>
<li class="level1"><div class="li"> Choose <acronym title="Database Interface">DBI</acronym> type (RDBI, CDBI or <acronym title="Database Interface">DBI</acronym>)</div>
</li>
<li class="level1"><div class="li"> Configure the connection string (see <a href="http://search.cpan.org/perldoc?DBI" class="urlextern" title="http://search.cpan.org/perldoc?DBI" rel="nofollow">DBI manual page</a>)</div>
</li>
<li class="level1"><div class="li"> Configure user and password</div>
</li>
<li class="level1"><div class="li"> If your table is not named lmConfig, set it&#039;s name in <code>dbiTable</code> parameter.</div>
</li>
</ul>
<p>
Example for MySQL :
</p>
<pre class="code ini"><span class="re0"><span class="br0">&#91;</span>configuration<span class="br0">&#93;</span></span>
<span class="re1">type</span> <span class="sy0">=</span><span class="re2"> RDBI</span>
<span class="re1">dbiChain</span> <span class="sy0">=</span><span class="re2"> DBI:mysql:database=lemonldap-ng</span><span class="co0">;host=1.2.3.4</span>
<span class="re1">dbiUser</span> <span class="sy0">=</span><span class="re2"> lemonldap</span>
<span class="re1">dbiPassword</span> <span class="sy0">=</span><span class="re2"> password</span>
<span class="co0">; optional</span>
<span class="re1">dbiTable</span> <span class="sy0">=</span><span class="re2"> mytablename</span></pre>
</div>
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<h2><a name="configure_your_sql_database" id="configure_your_sql_database">Configure your SQL database</a></h2>
<div class="level2">
</div>
<!-- SECTION "Configure your SQL database" [975-1015] -->
<h3><a name="sql_configuration" id="sql_configuration">SQL configuration</a></h3>
<div class="level3">
</div>
<h4><a name="rdbi" id="rdbi">RDBI</a></h4>
<div class="level4">
<pre class="code">
CREATE TABLE lmConfig (
cfgNum int(11) NOT NULL,
field varchar(255) NOT NULL DEFAULT &#039;&#039;,
value longblob,
PRIMARY KEY (cfgNum,field)
);
</pre>
</div>
<h4><a name="cdbi" id="cdbi">CDBI</a></h4>
<div class="level4">
<pre class="code">
CREATE TABLE lmConfig (
cfgNum int not null primary key,
data longblob
);
</pre>
</div>
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<h3><a name="grant_lemonldapng_access" id="grant_lemonldapng_access">Grant LemonLDAP::NG access</a></h3>
<div class="level3">
<p>
You have to grant read/write access for the manager component. Other components needs just a read access. You can also use the same user for all.
</p>
<p>
<p><div class="notetip">You can use different dbiUser strings :
</p>
<ul>
<li class="level1"><div class="li"> one with read/write rights for servers hosting the manager</div>
</li>
<li class="level1"><div class="li"> one with just read rights for other servers</div>
</li>
</ul>
<p>
</div></p>
</p>
<p>
MySQL example (suppose that our servers are in 10.0.0.0/24 network):
</p>
<pre class="code sql"><span class="kw1">GRANT</span> <span class="kw1">SELECT</span><span class="sy0">,</span><span class="kw1">INSERT</span><span class="sy0">,</span><span class="kw1">UPDATE</span><span class="sy0">,</span><span class="kw1">LOCK</span> <span class="kw1">TABLES</span> <span class="kw1">ON</span> lmConfig<span class="sy0">.*</span>
<span class="kw1">TO</span> lemonldap<span class="sy0">-</span>ng@manager<span class="sy0">.</span>host <span class="kw1">IDENTIFIED</span> <span class="kw1">BY</span> <span class="st0">'mypassword'</span>;
<span class="kw1">GRANT</span> <span class="kw1">SELECT</span> <span class="kw1">ON</span> lmConfig<span class="sy0">.*</span>
<span class="kw1">TO</span> lemonldap<span class="sy0">-</span>ng<span class="sy0">-</span>user@<span class="st0">'10.0.0.%'</span> <span class="kw1">IDENTIFIED</span> <span class="kw1">BY</span> <span class="st0">'myotherpassword'</span>;</pre>
</div>
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