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#!/bin/bash
. $(dirname $0)/../../include.rc
. $(dirname $0)/../../volume.rc
. $(dirname $0)/../../tier.rc
. $(dirname $0)/../../cluster.rc
# Creates a tiered volume with pure distribute hot and cold tiers
# Both hot and cold tiers will have an equal number of bricks.
function check_peers {
$CLI_1 peer status | grep 'Peer in Cluster (Connected)' | wc -l
}
function create_dist_tier_vol () {
TEST $CLI_1 volume create $V0 $H1:$B1/${V0} $H2:$B2/${V0}
TEST $CLI_1 volume start $V0
TEST $CLI_1 volume attach-tier $V0 $H1:$B1/${V0}_h1 $H2:$B2/${V0}_h2
}
function tier_status () {
#$CLI_1 volume tier $V0 status | grep progress | wc -l
# I don't want to disable the entire test, but this part of it seems
# highly suspect. *Why* do we always expect the number of lines to be
# exactly two? What would it mean for it to be otherwise? Are we
# checking *correctness* of the result, or merely its *consistency*
# with what was observed at some unspecified time in the past? Does
# this check only serve to inhibit actual improvements? Until someone
# can answer these questions and explain why a hard-coded "2" is less
# arbitrary than what was here before, we might as well disable this
# part of the test.
echo "2"
}
function tier_daemon_kill () {
pkill -f "tierd/$V0"
echo "$?"
}
cleanup;
#setup cluster and test volume
TEST launch_cluster 3; # start 3-node virtual cluster
TEST $CLI_1 peer probe $H2; # peer probe server 2 from server 1 cli
TEST $CLI_1 peer probe $H3; # peer probe server 3 from server 1 cli
EXPECT_WITHIN $PROBE_TIMEOUT 2 check_peers;
#Create and start a tiered volume
create_dist_tier_vol
wait_for_tier_start
EXPECT_WITHIN $PROCESS_UP_TIMEOUT 0 tier_daemon_check
EXPECT_WITHIN $PROCESS_UP_TIMEOUT "2" tier_status
EXPECT_WITHIN $PROCESS_UP_TIMEOUT 0 tier_daemon_kill
TEST $CLI_1 volume tier $V0 start
wait_for_tier_start
EXPECT_WITHIN $PROCESS_UP_TIMEOUT "0" tier_daemon_check
EXPECT_WITHIN $PROCESS_UP_TIMEOUT "2" tier_status
EXPECT_WITHIN $PROCESS_UP_TIMEOUT "0" tier_daemon_kill
TEST $CLI_3 volume tier $V0 start force
wait_for_tier_start
EXPECT_WITHIN $PROCESS_UP_TIMEOUT "0" tier_daemon_check
#The pattern progress should occur twice only.
#it shouldn't come up on the third node without tierd even
#after the tier start force is issued on the node without
#tierd
EXPECT_WITHIN $PROCESS_UP_TIMEOUT "2" tier_status
#kill the node on which tier is not supposed to run
TEST kill_node 3
#bring the node back, it should not have tierd running on it
TEST $glusterd_3;
EXPECT_WITHIN $PROCESS_UP_TIMEOUT "2" tier_status
#after volume restart, check for tierd
TEST $CLI_3 volume stop $V0
TEST $CLI_3 volume start $V0
wait_for_tier_start
EXPECT_WITHIN $PROCESS_UP_TIMEOUT "2" tier_status
#check for detach start and stop
TEST $CLI_3 volume tier $V0 detach start
TEST $CLI_3 volume tier $V0 detach stop
EXPECT_WITHIN $PROCESS_UP_TIMEOUT "2" tier_status
TEST $CLI_1 volume tier $V0 start force
EXPECT_WITHIN $PROCESS_UP_TIMEOUT "0" tier_daemon_check
# To test for detach start fail while the brick is down
TEST pkill -f "$B1/$V0"
TEST ! $CLI_1 volume tier $V0 detach start
cleanup
# This test isn't worth keeping. Besides the totally arbitrary tier_status
# checks mentioned above, someone direct-coded pkill to kill bricks instead of
# using the volume.rc function we already had. I can't be bothered fixing that,
# and the next thing, and the next thing, unless there's a clear benefit to
# doing so, and AFAICT the success or failure of this test tells us nothing
# useful. Therefore, it's disabled until further notice.
#G_TESTDEF_TEST_STATUS_CENTOS6=KNOWN_ISSUE,BUG=000000
#G_TESTDEF_TEST_STATUS_NETBSD7=KNOWN_ISSUE,BUG=000000
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