def _ssh_exec(self, command, events=None, silent=False):
if not silent:
app.print_verbose("SSH Command on " + self.server + ": " + command)
# Setting default events
if events is None:
events = {}
events["Verify the SYCO master password:"******"\n"
keys = events.keys()
value = events.values()
# Timeout for ssh.expect
timeout_event = len(keys)
keys.append(pexpect.TIMEOUT)
# The ssh session was terminated before the command had finished it's
# execution.
keys.append("Connection to .* closed by remote host")
terminate_event = len(keys)
keys.append("Terminated")
# When the ssh command are executed, and back to the command prompt.
pexpect_event = len(keys)
keys.append("\[PEXPECT\]?")
# When ssh.expect reaches the end of file. Probably never
# does, is probably reaching [PEXPECT]# first.
keys.append(pexpect.EOF)
# Disable verbose output for SSH login process.
# This outputs a lot of ugly useless text.
ssh = expect.sshspawn(timeout=120)
ssh.disable_output()
ssh.login(self.server, username=self.user, password=self.password)
ssh.enable_output()
app.print_verbose("---- SSH Result - Start ----", 2)
ssh.sendline(command)
# First output from ssh.expect doesn't print the caption text before
# the output commes. This is for the executed command.
app.print_verbose("", 2, new_line=False, enable_caption=True)
index=0
while (index <= terminate_event):
# Check for strings in keys in the output from the SSH command,
# also uses print_verbose on all output from the result.
index = ssh.expect(keys, timeout=3600)
if 0 <= index and index < timeout_event:
ssh.sendline(value[index])
elif index == timeout_event:
app.print_error("Caught a timeout from ssh.expect, lets try again.")
elif timeout_event < index and index <= terminate_event:
raise SSHTerminatedException()
# Print new line when finding the PEXPECT prompt.
if (app.options.verbose >= 2):
if index == pexpect_event:
print ""
# An extra line break for the looks.
if (app.options.verbose >= 2):
app.print_verbose("---- SSH Result - End-------\n", 2)
# Disable verbose output for SSH logout process.
# This because our CENTOS installation outputs a lot of newlines
# and a "clear screen" command, that makes the output look ugly.
ssh.disable_output()
ssh.logout()
ssh.enable_output()
def _ssh_exec(self, command, events=None, silent=False):
if not silent:
app.print_verbose("SSH Command on " + self.server + ": " + command)
# Setting default events
if events is None:
events = {}
events["Verify the SYCO master password:"******"\n"
keys = events.keys()
value = events.values()
# Timeout for ssh.expect
timeout_event = len(keys)
keys.append(pexpect.TIMEOUT)
# The ssh session was terminated before the command had finished it's
# execution.
keys.append("Connection to .* closed by remote host")
terminate_event = len(keys)
keys.append("Terminated")
# When the ssh command are executed, and back to the command prompt.
pexpect_event = len(keys)
keys.append("\[PEXPECT\]?")
# When ssh.expect reaches the end of file. Probably never
# does, is probably reaching [PEXPECT]# first.
keys.append(pexpect.EOF)
# Disable verbose output for SSH login process.
# This outputs a lot of ugly useless text.
ssh = expect.sshspawn(timeout=120)
ssh.disable_output()
ssh.login(self.server, username=self.user, password=self.password)
ssh.enable_output()
app.print_verbose("---- SSH Result - Start ----", 2)
ssh.sendline(command)
# First output from ssh.expect doesn't print the caption text before
# the output commes. This is for the executed command.
app.print_verbose("", 2, new_line=False, enable_caption=True)
index = 0
while (index <= terminate_event):
# Check for strings in keys in the output from the SSH command,
# also uses print_verbose on all output from the result.
index = ssh.expect(keys, timeout=3600)
if 0 <= index and index < timeout_event:
ssh.sendline(value[index])
elif index == timeout_event:
app.print_error(
"Caught a timeout from ssh.expect, lets try again.")
elif timeout_event < index and index <= terminate_event:
raise SSHTerminatedException()
# Print new line when finding the PEXPECT prompt.
if (app.options.verbose >= 2):
if index == pexpect_event:
print ""
# An extra line break for the looks.
if (app.options.verbose >= 2):
app.print_verbose("---- SSH Result - End-------\n", 2)
# Disable verbose output for SSH logout process.
# This because our CENTOS installation outputs a lot of newlines
# and a "clear screen" command, that makes the output look ugly.
ssh.disable_output()
ssh.logout()
ssh.enable_output()