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[Xen-devel] [OSSTEST PATCH 06/24] cs-hosts-list: New utility



No callers yet.

Signed-off-by: Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>
---
 cs-hosts-list | 64 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 64 insertions(+)
 create mode 100755 cs-hosts-list

diff --git a/cs-hosts-list b/cs-hosts-list
new file mode 100755
index 0000000..1fea3cd
--- /dev/null
+++ b/cs-hosts-list
@@ -0,0 +1,64 @@
+#!/usr/bin/perl -w
+
+# This is part of "osstest", an automated testing framework for Xen.
+# Copyright (C) 2009-2013 Citrix Inc.
+# 
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+# 
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+# 
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+
+# usage:
+#   ./cs-hosts-list HOSTFLAG[,...]
+# prints the names of all hosts which have all of the HOSTFLAGs set,
+# one per line
+
+use strict qw(vars);
+use DBI;
+unshift @INC, qw(.);
+use Osstest;
+
+csreadconfig();
+
+@ARGV == 1 or die $!;
+my ($flags) = @ARGV;
+$flags =~ m/^-/ and die $!;
+
+my @qargs;
+my $qtxt= <<END;
+        SELECT resname
+          FROM resources
+         WHERE restype='host'
+END
+foreach my $flag (grep { length} split /\,/, $flags) {
+    $qtxt.= <<END;
+          AND EXISTS (SELECT 1 FROM HOSTFLAGS f
+                              WHERE resname=f.hostname
+                                AND f.hostflag=?)
+END
+    push @qargs, $flag;
+}
+
+my $q= $dbh_tests->prepare($qtxt);
+my $o;
+
+db_retry($dbh_tests,[],sub {
+    $o='';
+    $q->execute(@qargs);
+    while (my ($host) = $q->fetchrow_array()) {
+       $o .= $host;
+       $o .= "\n";
+    }
+});
+
+print $o or die $!;
+close STDOUT or die $!;
-- 
2.1.4


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