suites/rbd: add basic mirroring suite

Just one workunit to run so far.

Signed-off-by: Josh Durgin <jdurgin@redhat.com>

suites/rbd/mirror/base/install.yaml

@@ -0,0 +1,9 @@
+meta:
+- desc: run two ceph clusters and install rbd-mirror
+tasks:
+- install:
+    extra_packages: [rbd-mirror]
+- ceph:
+    cluster: cluster1
+- ceph:
+    cluster: cluster2

suites/rbd/mirror/cluster/2-node.yaml

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+meta:
+- desc: 2 ceph clusters with 3 mons and 3 osds each
+roles:
+- - cluster1.mon.a
+  - cluster1.mon.b
+  - cluster1.osd.0
+  - cluster1.osd.1
+  - cluster1.osd.2
+  - cluster2.mon.c
+  - cluster1.client.0
+  - cluster2.client.0
+- - cluster1.mon.c
+  - cluster2.mon.a
+  - cluster2.mon.b
+  - cluster2.osd.0
+  - cluster2.osd.1
+  - cluster2.osd.2
+  - cluster1.client.mirror
+  - cluster2.client.mirror

suites/rbd/mirror/fs

@@ -0,0 +1 @@
+../basic/fs

suites/rbd/mirror/msgr-failures

@@ -0,0 +1 @@
+../basic/msgr-failures

suites/rbd/mirror/rbd-mirror/one-per-cluster.yaml

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+meta:
+- desc: run one rbd-mirror daemon per cluster
+overrides:
+  ceph:
+    conf:
+      client.mirror:
+        # override to make these names predictable
+        admin socket: /var/run/ceph/$cluster-$name.asok
+        pid file: /var/run/ceph/$cluster-$name.pid
+tasks:
+- rbd-mirror:
+    client: cluster1.client.mirror
+- rbd-mirror:
+    client: cluster2.client.mirror

suites/rbd/mirror/workloads/rbd-mirror-workunit.yaml

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+meta:
+- desc: run the rbd_mirror.sh workunit to test the rbd-mirror daemon
+tasks:
+- workunit:
+    clients:
+      cluster1.client.mirror: [rbd/rbd_mirror.sh]
+    env:
+      # override workunit setting of CEPH_ARGS='--cluster'
+      CEPH_ARGS: ''
+      RBD_MIRROR_USE_EXISTING_CLUSTER: '1'
+      RBD_MIRROR_USE_RBD_MIRROR: '1'