SERVER-3067 Add killop support for foreground index builds.

1 files changed, 53 insertions, 0 deletions

diff --git a/jstests/slowNightly/index_killop.js b/jstests/slowNightly/index_killop.js
new file mode 100644
index 00000000000..b022e31f3b8
--- /dev/null
+++ b/jstests/slowNightly/index_killop.js
@@ -0,0 +1,53 @@
+// Both foreground and background index builds can be aborted using killop.  SERVER-3067
+
+t = db.jstests_slownightly_index_killop;
+t.drop();
+
+// Insert a large number of documents, enough to ensure that an index build on these documents will
+// be interrupted before complete.
+for( i = 0; i < 1e6; ++i ) {
+    t.save( { a:i } );
+}
+db.getLastError();
+
+function debug( x ) {
+//    printjson( x );
+}
+
+/** @return the op id for the running index build, or -1 if there is no current index build. */
+function getIndexBuildOpId() {
+    inprog = db.currentOp().inprog;
+    debug( inprog );
+    indexBuildOpId = -1;
+    inprog.forEach( function( op ) {
+                        // Identify the index build as an insert into the 'test.system.indexes'
+                        // namespace.  It is assumed that no other clients are concurrently
+                        // accessing the 'test' database.
+                        if ( op.op == 'insert' && op.ns == 'test.system.indexes' ) {
+                            debug( op.opid );
+                            indexBuildOpId = op.opid;
+                        }
+                    } );
+    return indexBuildOpId;
+}
+
+/** Test that building an index with @param 'options' can be aborted using killop. */
+function testAbortIndexBuild( options ) {
+
+    // Create an index asynchronously by using a new connection.
+    new Mongo( db.getMongo().host ).getCollection( t.toString() ).createIndex( { a:1 }, options );
+
+    // When the index build starts, find its op id.
+    assert.soon( function() { return ( opId = getIndexBuildOpId() ) != -1; } );
+    // Kill the index build.
+    db.killOp( opId );
+
+    // Wait for the index build to stop.
+    assert.soon( function() { return getIndexBuildOpId() == -1; } );
+    // Check that no new index has been created.  This verifies that the index build was aborted
+    // rather than successfully completed.
+    assert.eq( [ { _id:1 } ], t.getIndexKeys() );
+}
+
+testAbortIndexBuild( { background:false } );
+testAbortIndexBuild( { background:true } );