Wally test run with report generation error

[jayanthsn]

Environment:

(my_env) [root@localhost disk_perf_test_tool]# uname -a
Linux localhost.localdomain 3.10.0-514.el7.x86_64 #1 SMP Tue Nov 22 16:42:41 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux

ceph version ---> luminous(12.2.11)

Config file:

include: default.yaml
run_sensors: true
results_storage: /var/wally_results

discover: ceph

nodes:
localhost: testnode

tests:
- fio:
cfg: hdd
load: hdd
params:
FILENAME: /dev/rbd0
FILESIZE: 16M
RUNTIME : 1

explicit_nodes:
"ssh://root@localhost::/root/.ssh/id_rsa": localhost

Test steps

1.Create an Yaml file(configuration file) say ceph_raw_hdd.yaml on the client node and place into ~/my_env/wally_test/disk_perf_test_tool/configs-examples/ceph_raw.yaml

2. Run command,

(my_env) [root@localhost disk_perf_test_tool]# python3.6 -m wally -l DEBUG test "test" configs-examples/ceph_raw_hdd.yaml

Actual result
(1)
ERROR - Failed to generate report for suite fio_hdd_0
Traceback (most recent call last):
File "/root/my_env/wally_test/disk_perf_test_tool/wally/report.py", line 1037, in run
for block, item, html in sreporter.get_divs(suite):
File "/root/my_env/wally_test/disk_perf_test_tool/wally/report.py", line 423, in get_divs
sensor=sensor, metric=metric, test_metric=vs))
File "/root/my_env/wally_test/disk_perf_test_tool/wally/report.py", line 406, in get_resources_usage2
res.append((numpy.average(ops_done[pos: pe]), numpy.average(metric_data.data[pos: pe])))
AttributeError: 'NoneType' object has no attribute 'data'

(2)
ERROR - Failed to generate report for rrd4_qd1
Traceback (most recent call last):
File "/root/my_env/wally_test/disk_perf_test_tool/wally/report.py", line 1027, in run
for block, item, html in reporter.get_divs(suite, job):
File "/root/my_env/wally_test/disk_perf_test_tool/wally/report.py", line 861, in get_divs
fpath = self.plt(plot_v_over_time, agg_io.source(tag='ts.' + default_format), title, units, agg_io)
File "/root/my_env/wally_test/disk_perf_test_tool/wally/report.py", line 142, in plt
return func(self.rstorage, self.style, self.colors, ds, *args, **kwargs)
File "/root/my_env/wally_test/cephlib/cephlib/plot.py", line 245, in closure2
img = get_emb_image(fig, file_format=file_format, dpi=style.dpi)
File "/root/my_env/wally_test/cephlib/cephlib/plot.py", line 181, in get_emb_image
return bio.getvalue().decode("utf8").split(img_start, 1)[1].encode("utf8")
IndexError: list index out of range