X-Git-Url: https://gerrit.akraino.org/r/gitweb?p=ta%2Fcloudtaf.git;a=blobdiff_plain;f=testcases%2Fbasic_func_tests%2Ftc_005_ssh_dns_server_check.py;fp=testcases%2Fbasic_func_tests%2Ftc_005_ssh_dns_server_check.py;h=1d3b7d9fd453cbdd29a4b68161a282cc0396296c;hp=0000000000000000000000000000000000000000;hb=af5eb3ff36b92ab1d9c156ffa0391eadc73eb6ba;hpb=025a45508d009db84c34076fb4a668f712628d6d

diff --git a/testcases/basic_func_tests/tc_005_ssh_dns_server_check.py b/testcases/basic_func_tests/tc_005_ssh_dns_server_check.py
new file mode 100644
index 0000000..1d3b7d9
--- /dev/null
+++ b/testcases/basic_func_tests/tc_005_ssh_dns_server_check.py
@@ -0,0 +1,60 @@
+import sys
+import os
+from robot.libraries.BuiltIn import BuiltIn
+from robot.api import logger
+import common_utils
+from test_constants import *
+
+sys.path.append(os.path.join(os.path.dirname(__file__), '..', '../libraries/common'))
+
+ex = BuiltIn().get_library_instance('execute_command')
+crf_nodes = BuiltIn().get_library_instance('stack_infos').get_crf_nodes()
+
+
+def tc_005_ssh_dns_server_check():
+    steps = ['step1_check_dns_server_replica_num_within_limits',
+             'step2_dns_server_port_check',
+             'step3_check_address_resolution']
+    common_utils.keyword_runner(steps)
+
+
+def step1_check_dns_server_replica_num_within_limits():
+    command = "kubectl get daemonset kube-dns --namespace=kube-system | grep kube-dns | awk {'print $5'}"
+    available_dns_replica_num = int(ex.execute_unix_command(command))
+    if available_dns_replica_num < min_dns_replica:
+        raise Exception(available_dns_replica_num + "DNS server is running! Minimum should be " + min_dns_replica + ".")
+    if available_dns_replica_num > max_dns_replica:
+        raise Exception(available_dns_replica_num + "DNS server is running! Maximum should be " + max_dns_replica + ".")
+
+
+def step2_dns_server_port_check():
+    nodes = get_nodes_containing_dns_servers()
+    check_program_listening_on_given_port_protocol_on_remote(nodes, 'dnsmasq', 'tcp', dns_masq_port)
+    check_program_listening_on_given_port_protocol_on_remote(nodes, 'kube-dns', 'tcp6', kube_dns_port)
+
+
+def step3_check_address_resolution():
+    ex.execute_unix_command("getent hosts " + test_address1)
+    ex.execute_unix_command("getent hosts " + test_address2)
+    logger.console("Addresses are resolved successfully")
+
+
+def get_nodes_containing_dns_servers():
+    dns_nodes = {}
+    logger.console("")
+    for name, ip in crf_nodes.items():
+        command = 'docker ps | grep dnsmasq | wc -l'
+        stdout = int(ex.execute_unix_command_on_remote_as_user(command, ip))
+        if stdout == 1:
+            logger.console('DNS server running on ' + name + ':' + ip)
+            dns_nodes[name] = ip
+        if stdout > 1:
+            raise Exception('Instead of one, ' + str(stdout) + ' DNS server running on node: ' + name + '!')
+    return dns_nodes
+
+
+def check_program_listening_on_given_port_protocol_on_remote(nodes, pname, proto, port):
+    command = 'netstat -lopna | grep --color=no -P "' + proto + ' .*:' + port + '.*LISTEN.*"' + pname
+    for name, ip in nodes.items():
+        stdout = ex.execute_unix_command_on_remote_as_root(command, ip)
+        logger.console(name + ':' + stdout)