def _get_package_manager(self):
""" Gets the remote server package manager in an OS agnostic way.
Returns:
string: The package manager, if supported.
Raises:
ServerError: If the connection closes or we fail to retrieve the package manager.
"""
stdin, stdout, stderr = self.ssh_client.exec_command(
"bash -c '%s'" % get_bash_script(Server.SCRIPT_DETECT_PM))
package_manager = stdout.read().rstrip()
if package_manager.startswith('[ERROR]'):
raise ServerError('Could not retrieve the package manager.\n\t> %s' % package_manager)
return package_manager
def _get_package_manager(self):
""" Gets the remote server package manager in an OS agnostic way.
Returns:
string: The package manager, if supported.
Raises:
ServerError: If the connection closes or we fail to retrieve the package manager.
"""
stdin, stdout, stderr = self.ssh_client.exec_command(
"bash -c '%s'" % get_bash_script(Server.SCRIPT_DETECT_PM))
package_manager = stdout.read().rstrip()
if package_manager.startswith('[ERROR]'):
raise ServerError(
'Could not retrieve the package manager.\n\t> %s' %
package_manager)
return package_manager
def _validate_single_dep_installed(self, pm, dep):
""" Validates that a specific dependency is installed on the remote server.
Args:
pm (string): The server's package manager name.
dep (string: The dependency to validate.
Returns:
bool: If the dependency is installed.
"""
script = "%s\nis_installed %s %s" % (get_bash_script(Server.SCRIPT_DEP_INSTALLED), pm, dep)
command = "bash -c '%s'" % script
stdin, stdout, stderr = self.ssh_client.exec_command(command)
ret_code, errors = stdout.read().rstrip(), stderr.read().rstrip()
# if errors is not '':
# Terminal.print_warn('Got errors from dependency checker script.\n\t> %s' % errors)
return ret_code == '0'
def _validate_single_dep_installed(self, pm, dep):
""" Validates that a specific dependency is installed on the remote server.
Args:
pm (string): The server's package manager name.
dep (string: The dependency to validate.
Returns:
bool: If the dependency is installed.
"""
script = "%s\nis_installed %s %s" % (get_bash_script(
Server.SCRIPT_DEP_INSTALLED), pm, dep)
command = "bash -c '%s'" % script
stdin, stdout, stderr = self.ssh_client.exec_command(command)
ret_code, errors = stdout.read().rstrip(), stderr.read().rstrip()
# if errors is not '':
# Terminal.print_warn('Got errors from dependency checker script.\n\t> %s' % errors)
return ret_code == '0'
