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Posted to commits@accumulo.apache.org by bu...@apache.org on 2014/05/06 20:07:00 UTC
svn commit: r908216 [7/7] - in /websites/staging/accumulo/trunk/content: ./
1.6/examples/
Added: websites/staging/accumulo/trunk/content/1.6/examples/visibility.html
==============================================================================
--- websites/staging/accumulo/trunk/content/1.6/examples/visibility.html (added)
+++ websites/staging/accumulo/trunk/content/1.6/examples/visibility.html Tue May 6 18:06:59 2014
@@ -0,0 +1,337 @@
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+
+ <h1 class="title">Apache Accumulo Visibility, Authorizations, and Permissions Example</h1>
+
+ <h2 id="creating-a-new-user">Creating a new user</h2>
+<div class="codehilite"><pre><span class="n">root</span><span class="p">@</span><span class="n">instance</span><span class="o">></span> <span class="n">createuser</span> <span class="n">username</span>
+<span class="n">Enter</span> <span class="n">new</span> <span class="n">password</span> <span class="k">for</span> <span class="s">'username'</span><span class="p">:</span> <span class="o">********</span>
+<span class="n">Please</span> <span class="n">confirm</span> <span class="n">new</span> <span class="n">password</span> <span class="k">for</span> <span class="s">'username'</span><span class="p">:</span> <span class="o">********</span>
+<span class="n">root</span><span class="p">@</span><span class="n">instance</span><span class="o">></span> <span class="n">user</span> <span class="n">username</span>
+<span class="n">Enter</span> <span class="n">password</span> <span class="k">for</span> <span class="n">user</span> <span class="n">username</span><span class="p">:</span> <span class="o">********</span>
+<span class="n">username</span><span class="p">@</span><span class="n">instance</span><span class="o">></span> <span class="n">createtable</span> <span class="n">vistest</span>
+06 10<span class="p">:</span>48<span class="p">:</span>47<span class="p">,</span>931 <span class="p">[</span><span class="n">shell</span><span class="p">.</span><span class="n">Shell</span><span class="p">]</span> <span class="n">ERROR</span><span class="p">:</span> <span class="n">org</span><span class="p">.</span><span class="n">apache</span><span class="p">.</span><span class="n">accumulo</span><span class="p">.</span><span class="n">core</span><span class="p">.</span><span class="n">client</span><span class="p">.</span><span class="n">AccumuloSecurityException</span><span class="p">:</span> <span class="n">Error</span> <span class="n">PERMISSION_DENIED</span> <span class="o">-</span> <span class="n">User</span> <span class="n">does</span> <span class="n">not</span> <span class="n">have</span> <span class="n">permission</span> <span class="n">to</span> <span class="n">perform</span> <span class="n">this</span> <span class="n">action</span>
+<span class="n">username</span><span class="p">@</span><span class="n">instance</span><span class="o">></span> <span class="n">userpermissions</span>
+<span class="n">System</span> <span class="n">permissions</span><span class="p">:</span>
+
+<span class="n">Table</span> <span class="n">permissions</span> <span class="p">(</span><span class="n">accumulo</span><span class="p">.</span><span class="n">metadata</span><span class="p">):</span> <span class="n">Table</span><span class="p">.</span><span class="n">READ</span>
+<span class="n">username</span><span class="p">@</span><span class="n">instance</span><span class="o">></span>
+</pre></div>
+
+
+<p>A user does not by default have permission to create a table.</p>
+<h2 id="granting-permissions-to-a-user">Granting permissions to a user</h2>
+<div class="codehilite"><pre><span class="n">username</span><span class="p">@</span><span class="n">instance</span><span class="o">></span> <span class="n">user</span> <span class="n">root</span>
+<span class="n">Enter</span> <span class="n">password</span> <span class="k">for</span> <span class="n">user</span> <span class="n">root</span><span class="p">:</span> <span class="o">********</span>
+<span class="n">root</span><span class="p">@</span><span class="n">instance</span><span class="o">></span> <span class="n">grant</span> <span class="o">-</span><span class="n">s</span> <span class="n">System</span><span class="p">.</span><span class="n">CREATE_TABLE</span> <span class="o">-</span><span class="n">u</span> <span class="n">username</span>
+<span class="n">root</span><span class="p">@</span><span class="n">instance</span><span class="o">></span> <span class="n">user</span> <span class="n">username</span>
+<span class="n">Enter</span> <span class="n">password</span> <span class="k">for</span> <span class="n">user</span> <span class="n">username</span><span class="p">:</span> <span class="o">********</span>
+<span class="n">username</span><span class="p">@</span><span class="n">instance</span><span class="o">></span> <span class="n">createtable</span> <span class="n">vistest</span>
+<span class="n">username</span><span class="p">@</span><span class="n">instance</span><span class="o">></span> <span class="n">userpermissions</span>
+<span class="n">System</span> <span class="n">permissions</span><span class="p">:</span> <span class="n">System</span><span class="p">.</span><span class="n">CREATE_TABLE</span>
+
+<span class="n">Table</span> <span class="n">permissions</span> <span class="p">(</span><span class="n">accumulo</span><span class="p">.</span><span class="n">metadata</span><span class="p">):</span> <span class="n">Table</span><span class="p">.</span><span class="n">READ</span>
+<span class="n">Table</span> <span class="n">permissions</span> <span class="p">(</span><span class="n">vistest</span><span class="p">):</span> <span class="n">Table</span><span class="p">.</span><span class="n">READ</span><span class="p">,</span> <span class="n">Table</span><span class="p">.</span><span class="n">WRITE</span><span class="p">,</span> <span class="n">Table</span><span class="p">.</span><span class="n">BULK_IMPORT</span><span class="p">,</span> <span class="n">Table</span><span class="p">.</span><span class="n">ALTER_TABLE</span><span class="p">,</span> <span class="n">Table</span><span class="p">.</span><span class="n">GRANT</span><span class="p">,</span> <span class="n">Table</span><span class="p">.</span><span class="n">DROP_TABLE</span>
+<span class="n">username</span><span class="p">@</span><span class="n">instance</span> <span class="n">vistest</span><span class="o">></span>
+</pre></div>
+
+
+<h2 id="inserting-data-with-visibilities">Inserting data with visibilities</h2>
+<p>Visibilities are boolean AND (&) and OR (|) combinations of authorization
+tokens. Authorization tokens are arbitrary strings taken from a restricted
+ASCII character set. Parentheses are required to specify order of operations
+in visibilities.</p>
+<div class="codehilite"><pre><span class="n">username</span><span class="p">@</span><span class="n">instance</span> <span class="n">vistest</span><span class="o">></span> <span class="n">insert</span> <span class="n">row</span> <span class="n">f1</span> <span class="n">q1</span> <span class="n">v1</span> <span class="o">-</span><span class="n">l</span> <span class="n">A</span>
+<span class="n">username</span><span class="p">@</span><span class="n">instance</span> <span class="n">vistest</span><span class="o">></span> <span class="n">insert</span> <span class="n">row</span> <span class="n">f2</span> <span class="n">q2</span> <span class="n">v2</span> <span class="o">-</span><span class="n">l</span> <span class="n">A</span><span class="o">&</span><span class="n">B</span>
+<span class="n">username</span><span class="p">@</span><span class="n">instance</span> <span class="n">vistest</span><span class="o">></span> <span class="n">insert</span> <span class="n">row</span> <span class="n">f3</span> <span class="n">q3</span> <span class="n">v3</span> <span class="o">-</span><span class="n">l</span> <span class="n">apple</span><span class="o">&</span><span class="n">carrot</span><span class="o">|</span><span class="n">broccoli</span><span class="o">|</span><span class="n">spinach</span>
+06 11<span class="p">:</span>19<span class="p">:</span>01<span class="p">,</span>432 <span class="p">[</span><span class="n">shell</span><span class="p">.</span><span class="n">Shell</span><span class="p">]</span> <span class="n">ERROR</span><span class="p">:</span> <span class="n">org</span><span class="p">.</span><span class="n">apache</span><span class="p">.</span><span class="n">accumulo</span><span class="p">.</span><span class="n">core</span><span class="p">.</span><span class="n">util</span><span class="p">.</span><span class="n">BadArgumentException</span><span class="p">:</span> <span class="n">cannot</span> <span class="n">mix</span> <span class="o">|</span> <span class="n">and</span> <span class="o">&</span> <span class="n">near</span> <span class="n">index</span> 12
+<span class="n">apple</span><span class="o">&</span><span class="n">carrot</span><span class="o">|</span><span class="n">broccoli</span><span class="o">|</span><span class="n">spinach</span>
+ ^
+<span class="n">username</span><span class="p">@</span><span class="n">instance</span> <span class="n">vistest</span><span class="o">></span> <span class="n">insert</span> <span class="n">row</span> <span class="n">f3</span> <span class="n">q3</span> <span class="n">v3</span> <span class="o">-</span><span class="n">l</span> <span class="p">(</span><span class="n">apple</span><span class="o">&</span><span class="n">carrot</span><span class="p">)</span><span class="o">|</span><span class="n">broccoli</span><span class="o">|</span><span class="n">spinach</span>
+<span class="n">username</span><span class="p">@</span><span class="n">instance</span> <span class="n">vistest</span><span class="o">></span>
+</pre></div>
+
+
+<h2 id="scanning-with-authorizations">Scanning with authorizations</h2>
+<p>Authorizations are sets of authorization tokens. Each Accumulo user has
+authorizations and each Accumulo scan has authorizations. Scan authorizations
+are only allowed to be a subset of the user's authorizations. By default, a
+user's authorizations set is empty.</p>
+<div class="codehilite"><pre><span class="n">username</span><span class="p">@</span><span class="n">instance</span> <span class="n">vistest</span><span class="o">></span> <span class="n">scan</span>
+<span class="n">username</span><span class="p">@</span><span class="n">instance</span> <span class="n">vistest</span><span class="o">></span> <span class="n">scan</span> <span class="o">-</span><span class="n">s</span> <span class="n">A</span>
+06 11<span class="p">:</span>43<span class="p">:</span>14<span class="p">,</span>951 <span class="p">[</span><span class="n">shell</span><span class="p">.</span><span class="n">Shell</span><span class="p">]</span> <span class="n">ERROR</span><span class="p">:</span> <span class="n">java</span><span class="p">.</span><span class="n">lang</span><span class="p">.</span><span class="n">RuntimeException</span><span class="p">:</span> <span class="n">org</span><span class="p">.</span><span class="n">apache</span><span class="p">.</span><span class="n">accumulo</span><span class="p">.</span><span class="n">core</span><span class="p">.</span><span class="n">client</span><span class="p">.</span><span class="n">AccumuloSecurityException</span><span class="p">:</span> <span class="n">Error</span> <span class="n">BAD_AUTHORIZATIONS</span> <span class="o">-</span> <span class="n">The</span> <span class="n">user</span> <span class="n">does</span> <span class="n">not</span> <span class="n">have</s
pan> <span class="n">the</span> <span class="n">specified</span> <span class="n">authorizations</span> <span class="n">assigned</span>
+<span class="n">username</span><span class="p">@</span><span class="n">instance</span> <span class="n">vistest</span><span class="o">></span>
+</pre></div>
+
+
+<h2 id="setting-authorizations-for-a-user">Setting authorizations for a user</h2>
+<div class="codehilite"><pre><span class="n">username</span><span class="p">@</span><span class="n">instance</span> <span class="n">vistest</span><span class="o">></span> <span class="n">setauths</span> <span class="o">-</span><span class="n">s</span> <span class="n">A</span>
+06 11<span class="p">:</span>53<span class="p">:</span>42<span class="p">,</span>056 <span class="p">[</span><span class="n">shell</span><span class="p">.</span><span class="n">Shell</span><span class="p">]</span> <span class="n">ERROR</span><span class="p">:</span> <span class="n">org</span><span class="p">.</span><span class="n">apache</span><span class="p">.</span><span class="n">accumulo</span><span class="p">.</span><span class="n">core</span><span class="p">.</span><span class="n">client</span><span class="p">.</span><span class="n">AccumuloSecurityException</span><span class="p">:</span> <span class="n">Error</span> <span class="n">PERMISSION_DENIED</span> <span class="o">-</span> <span class="n">User</span> <span class="n">does</span> <span class="n">not</span> <span class="n">have</span> <span class="n">permission</span> <span class="n">to</span> <span class="n">perform</span> <span class="n">this</span> <span class="n">action</span>
+<span class="n">username</span><span class="p">@</span><span class="n">instance</span> <span class="n">vistest</span><span class="o">></span>
+</pre></div>
+
+
+<p>A user cannot set authorizations unless the user has the System.ALTER_USER permission.
+The root user has this permission.</p>
+<div class="codehilite"><pre><span class="n">username</span><span class="p">@</span><span class="n">instance</span> <span class="n">vistest</span><span class="o">></span> <span class="n">user</span> <span class="n">root</span>
+<span class="n">Enter</span> <span class="n">password</span> <span class="k">for</span> <span class="n">user</span> <span class="n">root</span><span class="p">:</span> <span class="o">********</span>
+<span class="n">root</span><span class="p">@</span><span class="n">instance</span> <span class="n">vistest</span><span class="o">></span> <span class="n">setauths</span> <span class="o">-</span><span class="n">s</span> <span class="n">A</span> <span class="o">-</span><span class="n">u</span> <span class="n">username</span>
+<span class="n">root</span><span class="p">@</span><span class="n">instance</span> <span class="n">vistest</span><span class="o">></span> <span class="n">user</span> <span class="n">username</span>
+<span class="n">Enter</span> <span class="n">password</span> <span class="k">for</span> <span class="n">user</span> <span class="n">username</span><span class="p">:</span> <span class="o">********</span>
+<span class="n">username</span><span class="p">@</span><span class="n">instance</span> <span class="n">vistest</span><span class="o">></span> <span class="n">scan</span> <span class="o">-</span><span class="n">s</span> <span class="n">A</span>
+<span class="n">row</span> <span class="n">f1</span><span class="p">:</span><span class="n">q1</span> <span class="p">[</span><span class="n">A</span><span class="p">]</span> <span class="n">v1</span>
+<span class="n">username</span><span class="p">@</span><span class="n">instance</span> <span class="n">vistest</span><span class="o">></span> <span class="n">scan</span>
+<span class="n">row</span> <span class="n">f1</span><span class="p">:</span><span class="n">q1</span> <span class="p">[</span><span class="n">A</span><span class="p">]</span> <span class="n">v1</span>
+<span class="n">username</span><span class="p">@</span><span class="n">instance</span> <span class="n">vistest</span><span class="o">></span>
+</pre></div>
+
+
+<p>The default authorizations for a scan are the user's entire set of authorizations.</p>
+<div class="codehilite"><pre><span class="n">username</span><span class="p">@</span><span class="n">instance</span> <span class="n">vistest</span><span class="o">></span> <span class="n">user</span> <span class="n">root</span>
+<span class="n">Enter</span> <span class="n">password</span> <span class="k">for</span> <span class="n">user</span> <span class="n">root</span><span class="p">:</span> <span class="o">********</span>
+<span class="n">root</span><span class="p">@</span><span class="n">instance</span> <span class="n">vistest</span><span class="o">></span> <span class="n">setauths</span> <span class="o">-</span><span class="n">s</span> <span class="n">A</span><span class="p">,</span><span class="n">B</span><span class="p">,</span><span class="n">broccoli</span> <span class="o">-</span><span class="n">u</span> <span class="n">username</span>
+<span class="n">root</span><span class="p">@</span><span class="n">instance</span> <span class="n">vistest</span><span class="o">></span> <span class="n">user</span> <span class="n">username</span>
+<span class="n">Enter</span> <span class="n">password</span> <span class="k">for</span> <span class="n">user</span> <span class="n">username</span><span class="p">:</span> <span class="o">********</span>
+<span class="n">username</span><span class="p">@</span><span class="n">instance</span> <span class="n">vistest</span><span class="o">></span> <span class="n">scan</span>
+<span class="n">row</span> <span class="n">f1</span><span class="p">:</span><span class="n">q1</span> <span class="p">[</span><span class="n">A</span><span class="p">]</span> <span class="n">v1</span>
+<span class="n">row</span> <span class="n">f2</span><span class="p">:</span><span class="n">q2</span> <span class="p">[</span><span class="n">A</span><span class="o">&</span><span class="n">B</span><span class="p">]</span> <span class="n">v2</span>
+<span class="n">row</span> <span class="n">f3</span><span class="p">:</span><span class="n">q3</span> <span class="p">[(</span><span class="n">apple</span><span class="o">&</span><span class="n">carrot</span><span class="p">)</span><span class="o">|</span><span class="n">broccoli</span><span class="o">|</span><span class="n">spinach</span><span class="p">]</span> <span class="n">v3</span>
+<span class="n">username</span><span class="p">@</span><span class="n">instance</span> <span class="n">vistest</span><span class="o">></span> <span class="n">scan</span> <span class="o">-</span><span class="n">s</span> <span class="n">B</span>
+<span class="n">username</span><span class="p">@</span><span class="n">instance</span> <span class="n">vistest</span><span class="o">></span>
+</pre></div>
+
+
+<p>If you want, you can limit a user to only be able to insert data which they can read themselves.
+It can be set with the following constraint.</p>
+<div class="codehilite"><pre><span class="n">username</span><span class="p">@</span><span class="n">instance</span> <span class="n">vistest</span><span class="o">></span> <span class="n">user</span> <span class="n">root</span>
+<span class="n">Enter</span> <span class="n">password</span> <span class="k">for</span> <span class="n">user</span> <span class="n">root</span><span class="p">:</span> <span class="o">******</span>
+<span class="n">root</span><span class="p">@</span><span class="n">instance</span> <span class="n">vistest</span><span class="o">></span> <span class="n">config</span> <span class="o">-</span><span class="n">t</span> <span class="n">vistest</span> <span class="o">-</span><span class="n">s</span> <span class="n">table</span><span class="p">.</span><span class="n">constraint</span><span class="p">.</span>1<span class="p">=</span><span class="n">org</span><span class="p">.</span><span class="n">apache</span><span class="p">.</span><span class="n">accumulo</span><span class="p">.</span><span class="n">core</span><span class="p">.</span><span class="n">security</span><span class="p">.</span><span class="n">VisibilityConstraint</span>
+<span class="n">root</span><span class="p">@</span><span class="n">instance</span> <span class="n">vistest</span><span class="o">></span> <span class="n">user</span> <span class="n">username</span>
+<span class="n">Enter</span> <span class="n">password</span> <span class="k">for</span> <span class="n">user</span> <span class="n">username</span><span class="p">:</span> <span class="o">********</span>
+<span class="n">username</span><span class="p">@</span><span class="n">instance</span> <span class="n">vistest</span><span class="o">></span> <span class="n">insert</span> <span class="n">row</span> <span class="n">f4</span> <span class="n">q4</span> <span class="n">v4</span> <span class="o">-</span><span class="n">l</span> <span class="n">spinach</span>
+ <span class="n">Constraint</span> <span class="n">Failures</span><span class="p">:</span>
+ <span class="n">ConstraintViolationSummary</span><span class="p">(</span><span class="n">constrainClass</span><span class="p">:</span><span class="n">org</span><span class="p">.</span><span class="n">apache</span><span class="p">.</span><span class="n">accumulo</span><span class="p">.</span><span class="n">core</span><span class="p">.</span><span class="n">security</span><span class="p">.</span><span class="n">VisibilityConstraint</span><span class="p">,</span> <span class="n">violationCode</span><span class="p">:</span>2<span class="p">,</span> <span class="n">violationDescription</span><span class="p">:</span><span class="n">User</span> <span class="n">does</span> <span class="n">not</span> <span class="n">have</span> <span class="n">authorization</span> <span class="n">on</span> <span class="n">column</span> <span class="n">visibility</span><span class="p">,</span> <span class="n">numberOfViolatingMutations</span><span class="p">:</span>1<span class="p">)</span>
+<span class="n">username</span><span class="p">@</span><span class="n">instance</span> <span class="n">vistest</span><span class="o">></span> <span class="n">insert</span> <span class="n">row</span> <span class="n">f4</span> <span class="n">q4</span> <span class="n">v4</span> <span class="o">-</span><span class="n">l</span> <span class="n">spinach</span><span class="o">|</span><span class="n">broccoli</span>
+<span class="n">username</span><span class="p">@</span><span class="n">instance</span> <span class="n">vistest</span><span class="o">></span> <span class="n">scan</span>
+<span class="n">row</span> <span class="n">f1</span><span class="p">:</span><span class="n">q1</span> <span class="p">[</span><span class="n">A</span><span class="p">]</span> <span class="n">v1</span>
+<span class="n">row</span> <span class="n">f2</span><span class="p">:</span><span class="n">q2</span> <span class="p">[</span><span class="n">A</span><span class="o">&</span><span class="n">B</span><span class="p">]</span> <span class="n">v2</span>
+<span class="n">row</span> <span class="n">f3</span><span class="p">:</span><span class="n">q3</span> <span class="p">[(</span><span class="n">apple</span><span class="o">&</span><span class="n">carrot</span><span class="p">)</span><span class="o">|</span><span class="n">broccoli</span><span class="o">|</span><span class="n">spinach</span><span class="p">]</span> <span class="n">v3</span>
+<span class="n">row</span> <span class="n">f4</span><span class="p">:</span><span class="n">q4</span> <span class="p">[</span><span class="n">spinach</span><span class="o">|</span><span class="n">broccoli</span><span class="p">]</span> <span class="n">v4</span>
+<span class="n">username</span><span class="p">@</span><span class="n">instance</span> <span class="n">vistest</span><span class="o">></span>
+</pre></div>
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