Added tests to check kernel parameters
Additional changes:
* removed kdt-related tests
Change-Id: Ifee71c075411bce7ea2421fa2766383cb27b0330
Related-Task: #PROD-31892(PROD:31892)
diff --git a/test_set/cvp-sanity/tests/test_kernel_settings.py b/test_set/cvp-sanity/tests/test_kernel_settings.py
new file mode 100644
index 0000000..210c5c4
--- /dev/null
+++ b/test_set/cvp-sanity/tests/test_kernel_settings.py
@@ -0,0 +1,68 @@
+import json
+
+
+def test_sysctl_variables(local_salt_client, nodes_in_group):
+ """
+ # Request kernel setting from linux:system:kernel:sysctl
+ # Request the same setting from sysctl utility on the node
+ # Compare that value in sysctl equals to the same value in pillars
+
+ """
+ def normalize_value(value_in_string):
+ """
+ Changes to INT if value_in_string is parcible to int
+ Replaces \t with spaces if value_in_string is a string
+
+ :param value_in_string:
+ :return:
+ """
+ if '\t' in value_in_string:
+ return value_in_string.replace('\t', ' ')
+
+ try:
+ return int(value_in_string)
+ except ValueError:
+ pass
+
+ return value_in_string
+
+ issues = dict()
+ expected_kernel_params_by_nodes = local_salt_client.cmd(
+ tgt="L@"+','.join(nodes_in_group),
+ fun='pillar.get',
+ param="linux:system:kernel:sysctl",
+ expr_form='compound'
+ )
+
+ # Gather all params names from pillars and request their availability
+ # To get only specified values from system need to request them in the nex format
+ # 'sysctl param1 param2 param3 param4'
+
+ for node in expected_kernel_params_by_nodes.keys():
+ actual_kernel_params_for_node = local_salt_client.cmd(
+ tgt=node,
+ fun='cmd.run',
+ param="sysctl {}".format(" ".join(expected_kernel_params_by_nodes[node].keys())),
+ expr_form='compound'
+ )
+ # make transfer string to dict format
+ # it does a magic from
+ # "vm.watermark_scale_factor = 10\nvm.zone_reclaim_mode = 0"
+ # to
+ # {
+ # "vm.zone_reclaim_mode": "0",
+ # "vm.watermark_scale_factor": "10"
+ # }
+
+ values = {param.split(' = ')[0]: normalize_value(param.split(' = ')[-1])
+ for param in actual_kernel_params_for_node[node].split('\n')}
+
+ differences = [ "Parameter '{}' is not set === Expected '{}' === Got in sysctl '{}'".format(key, expected_kernel_params_by_nodes[node].get(key), actual)
+ for key, actual in values.items()
+ if expected_kernel_params_by_nodes[node].get(key) != actual ]
+ if differences.__len__() > 0:
+ issues[node] = differences
+
+ assert issues.__len__() == 0, json.dumps(issues, indent=4)
+
+