diff options
Diffstat (limited to 'functest/opnfv_tests/OpenStack/vPing/vping_util.py')
| -rw-r--r-- | functest/opnfv_tests/OpenStack/vPing/vping_util.py | 461 |
1 files changed, 461 insertions, 0 deletions
diff --git a/functest/opnfv_tests/OpenStack/vPing/vping_util.py b/functest/opnfv_tests/OpenStack/vPing/vping_util.py new file mode 100644 index 00000000..ccd9db06 --- /dev/null +++ b/functest/opnfv_tests/OpenStack/vPing/vping_util.py @@ -0,0 +1,461 @@ +import os +import pprint +import re +import sys +import time + +import paramiko +from scp import SCPClient + +import functest.utils.functest_utils as ft_utils +import functest.utils.openstack_utils as os_utils +FUNCTEST_REPO = ft_utils.FUNCTEST_REPO + +NAME_VM_1 = ft_utils.get_functest_config('vping.vm_name_1') +NAME_VM_2 = ft_utils.get_functest_config('vping.vm_name_2') + +VM_BOOT_TIMEOUT = 180 +VM_DELETE_TIMEOUT = 100 +PING_TIMEOUT = ft_utils.get_functest_config('vping.ping_timeout') + +GLANCE_IMAGE_NAME = ft_utils.get_functest_config('vping.image_name') +GLANCE_IMAGE_FILENAME = \ + ft_utils.get_functest_config('general.openstack.image_file_name') +GLANCE_IMAGE_FORMAT = \ + ft_utils.get_functest_config('general.openstack.image_disk_format') +GLANCE_IMAGE_PATH = \ + ft_utils.get_functest_config('general.directories.dir_functest_data') + \ + "/" + GLANCE_IMAGE_FILENAME + + +FLAVOR = ft_utils.get_functest_config('vping.vm_flavor') + +# NEUTRON Private Network parameters +PRIVATE_NET_NAME = \ + ft_utils.get_functest_config('vping.vping_private_net_name') +PRIVATE_SUBNET_NAME = \ + ft_utils.get_functest_config('vping.vping_private_subnet_name') +PRIVATE_SUBNET_CIDR = \ + ft_utils.get_functest_config('vping.vping_private_subnet_cidr') +ROUTER_NAME = ft_utils.get_functest_config('vping.vping_router_name') + +SECGROUP_NAME = ft_utils.get_functest_config('vping.vping_sg_name') +SECGROUP_DESCR = ft_utils.get_functest_config('vping.vping_sg_descr') + + +neutron_client = None +glance_client = None +nova_client = None +logger = None + +pp = pprint.PrettyPrinter(indent=4) + + +def pMsg(value): + """pretty printing""" + pp.pprint(value) + + +def check_repo_exist(): + if not os.path.exists(FUNCTEST_REPO): + logger.error("Functest repository not found '%s'" % FUNCTEST_REPO) + exit(-1) + + +def get_vmname_1(): + return NAME_VM_1 + + +def get_vmname_2(): + return NAME_VM_2 + + +def init(vping_logger): + global nova_client + nova_client = os_utils.get_nova_client() + global neutron_client + neutron_client = os_utils.get_neutron_client() + global glance_client + glance_client = os_utils.get_glance_client() + global logger + logger = vping_logger + + +def waitVmActive(nova, vm): + + # sleep and wait for VM status change + sleep_time = 3 + count = VM_BOOT_TIMEOUT / sleep_time + while True: + status = os_utils.get_instance_status(nova, vm) + logger.debug("Status: %s" % status) + if status == "ACTIVE": + return True + if status == "ERROR" or status == "error": + return False + if count == 0: + logger.debug("Booting a VM timed out...") + return False + count -= 1 + time.sleep(sleep_time) + return False + + +def create_security_group(): + sg_id = os_utils.get_security_group_id(neutron_client, + SECGROUP_NAME) + if sg_id != '': + logger.info("Using existing security group '%s'..." % SECGROUP_NAME) + else: + logger.info("Creating security group '%s'..." % SECGROUP_NAME) + SECGROUP = os_utils.create_security_group(neutron_client, + SECGROUP_NAME, + SECGROUP_DESCR) + if not SECGROUP: + logger.error("Failed to create the security group...") + return False + + sg_id = SECGROUP['id'] + + logger.debug("Security group '%s' with ID=%s created successfully." + % (SECGROUP['name'], sg_id)) + + logger.debug("Adding ICMP rules in security group '%s'..." + % SECGROUP_NAME) + if not os_utils.create_secgroup_rule(neutron_client, sg_id, + 'ingress', 'icmp'): + logger.error("Failed to create the security group rule...") + return False + + logger.debug("Adding SSH rules in security group '%s'..." + % SECGROUP_NAME) + if not os_utils.create_secgroup_rule(neutron_client, sg_id, + 'ingress', 'tcp', + '22', '22'): + logger.error("Failed to create the security group rule...") + return False + + if not os_utils.create_secgroup_rule( + neutron_client, sg_id, 'egress', 'tcp', '22', '22'): + logger.error("Failed to create the security group rule...") + return False + return sg_id + + +def create_image(): + _, image_id = os_utils.get_or_create_image(GLANCE_IMAGE_NAME, + GLANCE_IMAGE_PATH, + GLANCE_IMAGE_FORMAT) + if not image_id: + exit(-1) + + return image_id + + +def get_flavor(): + EXIT_CODE = -1 + + # Check if the given flavor exists + try: + flavor = nova_client.flavors.find(name=FLAVOR) + logger.info("Using existing Flavor '%s'..." % FLAVOR) + return flavor + except: + logger.error("Flavor '%s' not found." % FLAVOR) + logger.info("Available flavors are: ") + pMsg(nova_client.flavor.list()) + exit(EXIT_CODE) + + +def create_network_full(): + EXIT_CODE = -1 + + network_dic = os_utils.create_network_full(neutron_client, + PRIVATE_NET_NAME, + PRIVATE_SUBNET_NAME, + ROUTER_NAME, + PRIVATE_SUBNET_CIDR) + + if not network_dic: + logger.error( + "There has been a problem when creating the neutron network") + exit(EXIT_CODE) + network_id = network_dic["net_id"] + return network_id + + +def delete_exist_vms(): + servers = nova_client.servers.list() + for server in servers: + if server.name == NAME_VM_1 or server.name == NAME_VM_2: + logger.info("Instance %s found. Deleting..." % server.name) + server.delete() + + +def is_userdata(case): + return case == 'vping_userdata' + + +def is_ssh(case): + return case == 'vping_ssh' + + +def boot_vm(case, name, image_id, flavor, network_id, test_ip, sg_id): + EXIT_CODE = -1 + + config = dict() + config['name'] = name + config['flavor'] = flavor + config['image'] = image_id + config['nics'] = [{"net-id": network_id}] + if is_userdata(case): + config['config_drive'] = True + if name == NAME_VM_2: + u = ("#!/bin/sh\n\n" + "while true; do\n" + " ping -c 1 %s 2>&1 >/dev/null\n" + " RES=$?\n" + " if [ \"Z$RES\" = \"Z0\" ] ; then\n" + " echo 'vPing OK'\n" + " break\n" + " else\n" + " echo 'vPing KO'\n" + " fi\n" + " sleep 1\n" + "done\n" % test_ip) + config['userdata'] = u + + logger.info("Creating instance '%s'..." % name) + logger.debug("Configuration: %s" % config) + vm = nova_client.servers.create(**config) + + # wait until VM status is active + if not waitVmActive(nova_client, vm): + + logger.error("Instance '%s' cannot be booted. Status is '%s'" % ( + name, os_utils.get_instance_status(nova_client, vm))) + exit(EXIT_CODE) + else: + logger.info("Instance '%s' is ACTIVE." % name) + + add_secgroup(name, vm.id, sg_id) + + return vm + + +def get_test_ip(vm): + test_ip = vm.networks.get(PRIVATE_NET_NAME)[0] + logger.debug("Instance '%s' got %s" % (vm.name, test_ip)) + return test_ip + + +def add_secgroup(vmname, vm_id, sg_id): + logger.info("Adding '%s' to security group '%s'..." % + (vmname, SECGROUP_NAME)) + os_utils.add_secgroup_to_instance(nova_client, vm_id, sg_id) + + +def add_float_ip(vm): + EXIT_CODE = -1 + + logger.info("Creating floating IP for VM '%s'..." % NAME_VM_2) + floatip_dic = os_utils.create_floating_ip(neutron_client) + floatip = floatip_dic['fip_addr'] + + if floatip is None: + logger.error("Cannot create floating IP.") + exit(EXIT_CODE) + logger.info("Floating IP created: '%s'" % floatip) + + logger.info("Associating floating ip: '%s' to VM '%s' " + % (floatip, NAME_VM_2)) + if not os_utils.add_floating_ip(nova_client, vm.id, floatip): + logger.error("Cannot associate floating IP to VM.") + exit(EXIT_CODE) + + return floatip + + +def establish_ssh(vm, floatip): + EXIT_CODE = -1 + + logger.info("Trying to establish SSH connection to %s..." % floatip) + username = 'cirros' + password = 'cubswin:)' + ssh = paramiko.SSHClient() + ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy()) + + timeout = 50 + nolease = False + got_ip = False + discover_count = 0 + cidr_first_octet = PRIVATE_SUBNET_CIDR.split('.')[0] + while timeout > 0: + try: + ssh.connect(floatip, username=username, + password=password, timeout=2) + logger.debug("SSH connection established to %s." % floatip) + break + except: + logger.debug("Waiting for %s..." % floatip) + time.sleep(6) + timeout -= 1 + + console_log = vm.get_console_output() + + # print each "Sending discover" captured on the console log + if (len(re.findall("Sending discover", console_log)) > + discover_count and not got_ip): + discover_count += 1 + logger.debug("Console-log '%s': Sending discover..." + % NAME_VM_2) + + # check if eth0 got an ip,the line looks like this: + # "inet addr:192.168.".... + # if the dhcp agent fails to assing ip, this line will not appear + if "inet addr:" + cidr_first_octet in console_log and not got_ip: + got_ip = True + logger.debug("The instance '%s' succeeded to get the IP " + "from the dhcp agent." % NAME_VM_2) + + # if dhcp doesnt work,it shows "No lease, failing".The test will fail + if "No lease, failing" in console_log and not nolease and not got_ip: + nolease = True + logger.debug("Console-log '%s': No lease, failing..." + % NAME_VM_2) + logger.info("The instance failed to get an IP from the " + "DHCP agent. The test will probably timeout...") + + if timeout == 0: # 300 sec timeout (5 min) + logger.error("Cannot establish connection to IP '%s'. Aborting" + % floatip) + exit(EXIT_CODE) + return ssh + + +def transfer_ping_script(ssh, floatip): + EXIT_CODE = -1 + + logger.info("Trying to transfer ping.sh to %s..." % floatip) + scp = SCPClient(ssh.get_transport()) + + ping_script = FUNCTEST_REPO + "/opnfv_tests/OpenStack/vPing/ping.sh" + try: + scp.put(ping_script, "~/") + except: + logger.error("Cannot SCP the file '%s' to VM '%s'" + % (ping_script, floatip)) + exit(EXIT_CODE) + + cmd = 'chmod 755 ~/ping.sh' + (stdin, stdout, stderr) = ssh.exec_command(cmd) + for line in stdout.readlines(): + print line + + +def do_vping_ssh(ssh, test_ip): + logger.info("Waiting for ping...") + + sec = 0 + cmd = '~/ping.sh ' + test_ip + flag = False + + while True: + time.sleep(1) + (stdin, stdout, stderr) = ssh.exec_command(cmd) + output = stdout.readlines() + + for line in output: + if "vPing OK" in line: + logger.info("vPing detected!") + EXIT_CODE = 0 + flag = True + break + + elif sec == PING_TIMEOUT: + logger.info("Timeout reached.") + flag = True + break + if flag: + break + logger.debug("Pinging %s. Waiting for response..." % test_ip) + sec += 1 + return EXIT_CODE, time.time() + + +def do_vping_userdata(vm, test_ip): + logger.info("Waiting for ping...") + EXIT_CODE = -1 + sec = 0 + metadata_tries = 0 + + while True: + time.sleep(1) + console_log = vm.get_console_output() + if "vPing OK" in console_log: + logger.info("vPing detected!") + EXIT_CODE = 0 + break + elif ("failed to read iid from metadata" in console_log or + metadata_tries > 5): + EXIT_CODE = -2 + break + elif sec == PING_TIMEOUT: + logger.info("Timeout reached.") + break + elif sec % 10 == 0: + if "request failed" in console_log: + logger.debug("It seems userdata is not supported in " + "nova boot. Waiting a bit...") + metadata_tries += 1 + else: + logger.debug("Pinging %s. Waiting for response..." % test_ip) + sec += 1 + + return EXIT_CODE, time.time() + + +def do_vping(case, vm, test_ip): + if is_userdata(case): + return do_vping_userdata(vm, test_ip) + else: + floatip = add_float_ip(vm) + ssh = establish_ssh(vm, floatip) + transfer_ping_script(ssh, floatip) + return do_vping_ssh(ssh, test_ip) + + +def check_result(code, start_time, stop_time): + test_status = "FAIL" + if code == 0: + logger.info("vPing OK") + duration = round(stop_time - start_time, 1) + logger.info("vPing duration:'%s'" % duration) + test_status = "PASS" + elif code == -2: + duration = 0 + logger.info("Userdata is not supported in nova boot. Aborting test...") + else: + duration = 0 + logger.error("vPing FAILED") + + details = {'timestart': start_time, + 'duration': duration, + 'status': test_status} + + return details + + +def push_result(report, case, start_time, stop_time, details): + if report: + try: + logger.debug("Pushing vPing %s results into DB..." % case) + ft_utils.push_results_to_db('functest', + case, + start_time, + stop_time, + details['status'], + details=details) + except: + logger.error("Error pushing results into Database '%s'" + % sys.exc_info()[0]) |