blob: 6d5a436efa43d417e0f1de7631b79b32adbd7d17 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
|
function migration_tc1_clean_vhost_config() {
# Restore trap
trap 'error_exit "${FUNCNAME}" "${LINENO}"' INT ERR EXIT
notice "Removing vhost devices & controllers via RPC ..."
# Delete bdev first to remove all LUNs and SCSI targets
$rpc bdev_malloc_delete Malloc0
# Delete controllers
$rpc vhost_delete_controller $incoming_vm_ctrlr
$rpc vhost_delete_controller $target_vm_ctrlr
unset -v incoming_vm target_vm incoming_vm_ctrlr target_vm_ctrlr rpc
}
function migration_tc1_configure_vhost() {
# Those are global intentionally - they will be unset in cleanup handler
incoming_vm=0
target_vm=1
incoming_vm_ctrlr=naa.Malloc0.$incoming_vm
target_vm_ctrlr=naa.Malloc0.$target_vm
rpc="$rootdir/scripts/rpc.py -s $(get_vhost_dir 0)/rpc.sock"
trap 'migration_tc1_error_handler; error_exit "${FUNCNAME}" "${LINENO}"' INT ERR EXIT
# Construct shared Malloc Bdev
$rpc bdev_malloc_create -b Malloc0 128 4096
# And two controllers - one for each VM. Both are using the same Malloc Bdev as LUN 0
$rpc vhost_create_scsi_controller $incoming_vm_ctrlr
$rpc vhost_scsi_controller_add_target $incoming_vm_ctrlr 0 Malloc0
$rpc vhost_create_scsi_controller $target_vm_ctrlr
$rpc vhost_scsi_controller_add_target $target_vm_ctrlr 0 Malloc0
}
function migration_tc1_error_handler() {
trap - SIGINT ERR EXIT
warning "Migration TC1 ERROR HANDLER"
print_backtrace
set -x
vm_kill_all
migration_tc1_clean_vhost_config
warning "Migration TC1 FAILED"
}
function migration_tc1() {
# Use 2 VMs:
# incoming VM - the one we want to migrate
# targe VM - the one which will accept migration
local job_file="$testdir/migration-tc1.job"
local log_file
log_file="/root/$(basename ${job_file%%.*}).log"
# Run vhost
vhost_run 0
migration_tc1_configure_vhost
notice "Setting up VMs"
vm_setup --os="$os_image" --force=$incoming_vm --disk-type=spdk_vhost_scsi --disks=Malloc0 --migrate-to=$target_vm
vm_setup --force=$target_vm --disk-type=spdk_vhost_scsi --disks=Malloc0 --incoming=$incoming_vm
# Run everything
vm_run $incoming_vm $target_vm
# Wait only for incoming VM, as target is waiting for migration
vm_wait_for_boot 300 $incoming_vm
# Run fio before migration
notice "Starting FIO"
vm_check_scsi_location $incoming_vm
run_fio $fio_bin --job-file="$job_file" --no-wait-for-fio --local --vm="${incoming_vm}$(printf ':/dev/%s' $SCSI_DISK)"
# Wait a while to let the FIO time to issue some IO
sleep 5
# Check if fio is still running before migration
if ! is_fio_running $incoming_vm; then
vm_exec $incoming_vm "cat $log_file"
error "FIO is not running before migration: process crashed or finished too early"
fi
vm_migrate $incoming_vm
sleep 3
# Check if fio is still running after migration
if ! is_fio_running $target_vm; then
vm_exec $target_vm "cat $log_file"
error "FIO is not running after migration: process crashed or finished too early"
fi
notice "Waiting for fio to finish"
local timeout=40
while is_fio_running $target_vm; do
sleep 1
echo -n "."
if ((timeout-- == 0)); then
error "timeout while waiting for FIO!"
fi
done
notice "Fio result is:"
vm_exec $target_vm "cat $log_file"
notice "Migration DONE"
notice "Shutting down all VMs"
vm_shutdown_all
migration_tc1_clean_vhost_config
notice "killing vhost app"
vhost_kill 0
notice "Migration TC1 SUCCESS"
}
|
