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from glusto.core import Glusto as g
from cnslibs.common.heketi_libs import HeketiBaseClass
from cnslibs.common.heketi_ops import (heketi_volume_create,
heketi_volume_delete)
from cnslibs.common.openshift_ops import get_ocp_gluster_pod_names
class TestHeketiVolume(HeketiBaseClass):
"""Check volume bricks presence in fstab files on Gluster PODs."""
def _find_bricks_in_fstab_files(self, brick_paths, present):
"""Make sure that vol brick paths either exist or not in fstab file."""
oc_node = self.ocp_master_nodes[0]
gluster_pods = get_ocp_gluster_pod_names(oc_node)
get_fstab_entries_cmd = "oc exec %s -- cat /var/lib/heketi/fstab"
fstab_files_data = ''
for gluster_pod in gluster_pods:
ret, out, err = g.run(oc_node, get_fstab_entries_cmd % gluster_pod)
self.assertEqual(
ret, 0,
"Failed to read fstab file on '%s' gluster POD. "
"\nOut: %s \nError: %s" % (gluster_pod, out, err))
fstab_files_data += '%s\n' % out
assertion_method = self.assertIn if present else self.assertNotIn
for brick_path in brick_paths:
assertion_method(brick_path, fstab_files_data)
def test_to_check_entry_in_fstab_file(self):
"""Validate /etc/fstab entries after creation/deletion of volume"""
# Create heketi volume
vol = heketi_volume_create(
self.heketi_client_node, self.heketi_server_url, size=1, json=True)
self.assertTrue(vol, "Failed to create 1Gb heketi volume")
vol_id = vol["bricks"][0]["volume"]
self.addCleanup(
heketi_volume_delete,
self.heketi_client_node, self.heketi_server_url, vol_id,
raise_on_error=False)
# Gather brick paths
brick_paths = [p['path'].rstrip("/brick") for p in vol["bricks"]]
# Make sure that volume's brick paths exist in the fstab files
self._find_bricks_in_fstab_files(brick_paths, present=True)
# Delete heketi volume
out = heketi_volume_delete(
self.heketi_client_node, self.heketi_server_url, vol_id)
self.assertTrue(out, "Failed to delete heketi volume %s" % vol_id)
# Make sure that volume's brick paths are absent in the fstab file
self._find_bricks_in_fstab_files(brick_paths, present=False)
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