def _start_servers(self):
"""Start two hardcoded named servers: server1 & server2
1. SSH to the instance
2. Start two http backends listening on ports 80 and 88 respectively
"""
for server_id, ip in self.server_ips.iteritems():
private_key = self.servers_keypairs[server_id]['private_key']
# server = self.servers_client.show_server(server_id)['server']
# server['name'] is not 'server1' as 2015-12 due to upstream change
# server_name = server['name']
username = CONF.validation.image_ssh_user
ssh_client = self.get_remote_client(
server_or_ip=ip,
private_key=private_key)
# Write a backend's response into a file
resp = ('echo -ne "HTTP/1.1 200 OK\r\nContent-Length: 7\r\n'
'Connection: close\r\nContent-Type: text/html; '
'charset=UTF-8\r\n\r\n%s"; cat >/dev/null')
with tempfile.NamedTemporaryFile() as script:
script.write(resp % 'server1')
script.flush()
with tempfile.NamedTemporaryFile() as key:
key.write(private_key)
key.flush()
commands.copy_file_to_host(script.name,
"/tmp/script1",
ip,
username, key.name)
# Start netcat
start_server = ('while true; do '
'sudo nc -ll -p %(port)s -e sh /tmp/%(script)s; '
'done > /dev/null &')
cmd = start_server % {'port': self.port1,
'script': 'script1'}
ssh_client.exec_command(cmd, False)
if len(self.server_ips) == 1:
with tempfile.NamedTemporaryFile() as script:
script.write(resp % 'server2')
script.flush()
with tempfile.NamedTemporaryFile() as key:
key.write(private_key)
key.flush()
commands.copy_file_to_host(script.name,
"/tmp/script2", ip,
username, key.name)
cmd = start_server % {'port': self.port2,
'script': 'script2'}
ssh_client.exec_command(cmd, False)
def _start_servers(self):
"""
Start two backends
1. SSH to the instance
2. Start two http backends listening on ports 80 and 88 respectively
"""
for server_id, ip in self.server_ips.iteritems():
private_key = self.servers_keypairs[server_id].private_key
server_name = self.compute_client.servers.get(server_id).name
username = config.scenario.ssh_user
ssh_client = self.get_remote_client(
server_or_ip=ip,
private_key=private_key)
# Write a backend's responce into a file
resp = """echo -ne "HTTP/1.1 200 OK\r\nContent-Length: 7\r\n""" \
"""Connection: close\r\nContent-Type: text/html; """ \
"""charset=UTF-8\r\n\r\n%s"; cat >/dev/null"""
with tempfile.NamedTemporaryFile() as script:
script.write(resp % server_name)
script.flush()
with tempfile.NamedTemporaryFile() as key:
key.write(private_key)
key.flush()
commands.copy_file_to_host(script.name,
"/tmp/script1",
ip,
username, key.name)
# Start netcat
start_server = """sudo nc -ll -p %(port)s -e sh """ \
"""/tmp/%(script)s &"""
cmd = start_server % {'port': self.port1,
'script': 'script1'}
ssh_client.exec_command(cmd)
if len(self.server_ips) == 1:
with tempfile.NamedTemporaryFile() as script:
script.write(resp % 'server2')
script.flush()
with tempfile.NamedTemporaryFile() as key:
key.write(private_key)
key.flush()
commands.copy_file_to_host(script.name,
"/tmp/script2", ip,
username, key.name)
cmd = start_server % {'port': self.port2,
'script': 'script2'}
ssh_client.exec_command(cmd)
def _start_servers(self):
"""
Start two backends
1. SSH to the instance
2. Start two http backends listening on ports 80 and 88 respectively
"""
for server_id, ip in self.server_ips.iteritems():
private_key = self.servers_keypairs[server_id]['private_key']
server_name = self.servers_client.get_server(server_id)[1]['name']
username = config.scenario.ssh_user
ssh_client = self.get_remote_client(
server_or_ip=ip,
private_key=private_key)
# Write a backend's response into a file
resp = ('echo -ne "HTTP/1.1 200 OK\r\nContent-Length: 7\r\n'
'Connection: close\r\nContent-Type: text/html; '
'charset=UTF-8\r\n\r\n%s"; cat >/dev/null')
with tempfile.NamedTemporaryFile() as script:
script.write(resp % server_name)
script.flush()
with tempfile.NamedTemporaryFile() as key:
key.write(private_key)
key.flush()
commands.copy_file_to_host(script.name,
"/tmp/script1",
ip,
username, key.name)
# Start netcat
start_server = ('while true; do '
'sudo nc -l -p %(port)s -e sh /tmp/%(script)s; '
'done &')
cmd = start_server % {'port': self.port1,
'script': 'script1'}
ssh_client.exec_command(cmd)
if len(self.server_ips) == 1:
with tempfile.NamedTemporaryFile() as script:
script.write(resp % 'server2')
script.flush()
with tempfile.NamedTemporaryFile() as key:
key.write(private_key)
key.flush()
commands.copy_file_to_host(script.name,
"/tmp/script2", ip,
username, key.name)
cmd = start_server % {'port': self.port2,
'script': 'script2'}
ssh_client.exec_command(cmd)
def _start_servers(self):
"""
Start two backends
1. SSH to the instance
2. Start two http backends listening on ports 80 and 88 respectively
"""
for server_id, ip in self.server_ips.iteritems():
private_key = self.servers_keypairs[server_id].private_key
server_name = self.compute_client.servers.get(server_id).name
username = config.scenario.ssh_user
ssh_client = self.get_remote_client(server_or_ip=ip,
private_key=private_key)
ssh_client.validate_authentication()
# Write a backend's responce into a file
resp = """HTTP/1.0 200 OK\r\nContent-Length: 8\r\n\r\n%s"""
with tempfile.NamedTemporaryFile() as script:
script.write(resp % server_name)
script.flush()
with tempfile.NamedTemporaryFile() as key:
key.write(private_key)
key.flush()
commands.copy_file_to_host(script.name, "~/script1", ip,
username, key.name)
# Start netcat
start_server = """sudo nc -ll -p %(port)s -e cat """ \
"""~/%(script)s &"""
cmd = start_server % {'port': self.port1, 'script': 'script1'}
ssh_client.exec_command(cmd)
if len(self.server_ips) == 1:
with tempfile.NamedTemporaryFile() as script:
script.write(resp % 'server2')
script.flush()
with tempfile.NamedTemporaryFile() as key:
key.write(private_key)
key.flush()
commands.copy_file_to_host(script.name, "~/script2",
ip, username, key.name)
cmd = start_server % {'port': self.port2, 'script': 'script2'}
ssh_client.exec_command(cmd)
