Revert "Revert "Unify normal and sudo remote command execution. Breaks stderr/stdout handling"

This reverts commit 40f603539c.
This commit is contained in:
Michael DeHaan 2012-04-27 00:46:26 -04:00
parent 0d5bee2dfa
commit 076f1bc169

View file

@ -135,9 +135,15 @@ class ParamikoConnection(object):
def exec_command(self, cmd, tmp_path, sudoable=False): # pylint: disable-msg=W0613 def exec_command(self, cmd, tmp_path, sudoable=False): # pylint: disable-msg=W0613
''' run a command on the remote host ''' ''' run a command on the remote host '''
bufsize = 4096 # Could make this a Runner param if needed
timeout_secs = self.runner.timeout # Reusing runner's TCP connect timeout as command progress timeout
chan = self.ssh.get_transport().open_session()
chan.settimeout(timeout_secs)
chan.get_pty() # Many sudo setups require a terminal; use in both cases for consistency
if not self.runner.sudo or not sudoable: if not self.runner.sudo or not sudoable:
stdin, stdout, stderr = self.ssh.exec_command(cmd) quoted_command = '"$SHELL" -c ' + pipes.quote(cmd)
return (stdin, stdout, stderr) chan.exec_command(quoted_command)
else: else:
# Rather than detect if sudo wants a password this time, -k makes # Rather than detect if sudo wants a password this time, -k makes
# sudo always ask for a password if one is required. The "--" # sudo always ask for a password if one is required. The "--"
@ -146,25 +152,17 @@ class ParamikoConnection(object):
# directly doesn't work, so we shellquote it with pipes.quote() # directly doesn't work, so we shellquote it with pipes.quote()
# and pass the quoted string to the user's shell. # and pass the quoted string to the user's shell.
sudocmd = 'sudo -k -- "$SHELL" -c ' + pipes.quote(cmd) sudocmd = 'sudo -k -- "$SHELL" -c ' + pipes.quote(cmd)
bufsize = 4096 # Could make this a Runner param if needed
timeout_secs = self.runner.timeout # Reusing runner's TCP connect timeout as command progress timeout
chan = self.ssh.get_transport().open_session()
chan.settimeout(timeout_secs)
chan.get_pty() # Many sudo setups require a terminal
#print "exec_command: " + sudocmd
chan.exec_command(sudocmd) chan.exec_command(sudocmd)
if self.runner.sudo_pass: if self.runner.sudo_pass:
while not chan.recv_ready(): while not chan.recv_ready():
time.sleep(0.25) time.sleep(0.25)
sudo_output = chan.recv(bufsize) # Pull prompt, catch errors, eat sudo output sudo_output = chan.recv(bufsize) # Pull prompt, catch errors, eat sudo output
#print "exec_command: " + sudo_output
#print "exec_command: sending password"
chan.sendall(self.runner.sudo_pass + '\n') chan.sendall(self.runner.sudo_pass + '\n')
stdin = chan.makefile('wb', bufsize) stdin = chan.makefile('wb', bufsize)
stdout = chan.makefile('rb', bufsize) stdout = chan.makefile('rb', bufsize)
stderr = chan.makefile_stderr('rb', bufsize) stderr = chan.makefile_stderr('rb', bufsize)
return stdin, stdout, stderr return stdin, stdout, stderr
def put_file(self, in_path, out_path): def put_file(self, in_path, out_path):
''' transfer a file from local to remote ''' ''' transfer a file from local to remote '''