From: Loic Dachary <loic@dachary.org>
Date: Sun, 12 Jan 2014 16:51:10 +0000 (+0100)
Subject: crush: tests for crushtool --build
X-Git-Tag: v0.77~26^2~4
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=d3393e9d104d54a06a202d5c488244c0608c484f;p=ceph.git

crush: tests for crushtool --build

Signed-off-by: Loic Dachary <loic@dachary.org>
---

diff --git a/src/test/cli/crushtool/build.t b/src/test/cli/crushtool/build.t
new file mode 100644
index 00000000000..e7a56327118
--- /dev/null
+++ b/src/test/cli/crushtool/build.t
@@ -0,0 +1,114 @@
+  $ map="$TESTDIR/build.crushmap"
+
+#
+# display the crush tree by default
+#
+  $ crushtool --outfn "$map" --build --num_osds 5 node straw 2 rack straw 1 root straw 0
+  .* (re)
+  # id\tweight\ttype name\treweight (esc)
+  -7\t5\troot root (esc)
+  -4\t2\t\track rack0 (esc)
+  -1\t2\t\t\tnode node0 (esc)
+  0\t1\t\t\t\tosd.0\t1\t (esc)
+  1\t1\t\t\t\tosd.1\t1\t (esc)
+  -5\t2\t\track rack1 (esc)
+  -2\t2\t\t\tnode node1 (esc)
+  2\t1\t\t\t\tosd.2\t1\t (esc)
+  3\t1\t\t\t\tosd.3\t1\t (esc)
+  -6\t1\t\track rack2 (esc)
+  -3\t1\t\t\tnode node2 (esc)
+  4\t1\t\t\t\tosd.4\t1\t (esc)
+  
+
+#  
+# silence all messages with --debug-crush 0
+#
+  $ CEPH_ARGS="--debug-crush 0" crushtool --outfn "$map" --build --num_osds 5 node straw 2 rack straw 1 root straw 0
+
+#
+# display a warning if there is more than one root
+#
+  $ crushtool --outfn "$map" --build --num_osds 5 node straw 2 rack straw 1 
+  .* (re)
+  # id\tweight\ttype name\treweight (esc)
+  -6\t1\track rack2 (esc)
+  -3\t1\t\tnode node2 (esc)
+  4\t1\t\t\tosd.4\t1\t (esc)
+  -5\t2\track rack1 (esc)
+  -2\t2\t\tnode node1 (esc)
+  2\t1\t\t\tosd.2\t1\t (esc)
+  3\t1\t\t\tosd.3\t1\t (esc)
+  -4\t2\track rack0 (esc)
+  -1\t2\t\tnode node0 (esc)
+  0\t1\t\t\tosd.0\t1\t (esc)
+  1\t1\t\t\tosd.1\t1\t (esc)
+  
+  .* The crush rulesets will use the root rack0 (re)
+  and ignore the others.
+  There are 3 roots, they can be
+  grouped into a single root by appending something like:
+    root straw 0
+  
+#
+# crush rulesets are generated using the OSDMap helpers
+#
+  $ CEPH_ARGS="--debug-crush 0" crushtool --outfn "$map" --build --num_osds 1 root straw 0
+  $ crushtool -o "$map.txt" -d "$map"
+  $ cat "$map.txt"
+  # begin crush map
+  tunable choose_local_tries 0
+  tunable choose_local_fallback_tries 0
+  tunable choose_total_tries 50
+  tunable chooseleaf_descend_once 1
+  
+  # devices
+  device 0 device0
+  
+  # types
+  type 0 device
+  type 1 root
+  
+  # buckets
+  root root {
+  \tid -1\t\t# do not change unnecessarily (esc)
+  \t# weight 1.000 (esc)
+  \talg straw (esc)
+  \thash 0\t# rjenkins1 (esc)
+  \titem device0 weight 1.000 (esc)
+  }
+  
+  # rules
+  rule replicated_ruleset {
+  \truleset 0 (esc)
+  \ttype replicated (esc)
+  \tmin_size 1 (esc)
+  \tmax_size 10 (esc)
+  \tstep take root (esc)
+  \tstep chooseleaf firstn 0 type root (esc)
+  \tstep emit (esc)
+  }
+  rule erasure_ruleset {
+  \truleset 1 (esc)
+  \ttype erasure (esc)
+  \tmin_size 3 (esc)
+  \tmax_size 20 (esc)
+  \tstep set_chooseleaf_tries 5 (esc)
+  \tstep take root (esc)
+  \tstep chooseleaf indep 0 type root (esc)
+  \tstep emit (esc)
+  }
+  
+  # end crush map
+  $ rm "$map" "$map.txt"
+
+#
+# Wrong number of arguments 
+#
+  $ crushtool --outfn "$map" --debug-crush 0 --build --num_osds 5 node straw 0
+  remaining args: [--debug-crush,0,node,straw,0]
+  layers must be specified with 3-tuples of (name, buckettype, size)
+  [1]
+
+# Local Variables:
+# compile-command: "cd ../../.. ; make crushtool && test/run-cli-tests"
+# End: