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Change Log

1.9.1

Fixes

  • Native client SCP and SFTP uploads would not handle partial writes from waiting on socket correctly.
  • Native client copy_file SFTP upload would get stuck repeating same writes until killed when copying multi-MB files from Windows clients - #148
  • Native client scp_send would not correctly preserve file mask of local file on the remote.
  • Native client tunnel, used for proxy implementation, would not handle partial writes from waiting on socket correctly.

1.9.0

Changes

  • Removed libssh2 native library dependency in favour of bundled ssh2-python libssh2 library.
  • Changed native client forward agent default behaviour to off due to incompatibility with certain SSH server implementations.
  • Added keep-alive functionality to native client - defaults to 60 seconds. ParallelSSHClient(<..>, keepalive_seconds=<interval>) to configure interval. Set to 0 to disable.
  • Added ~/.ssh/id_ecdsa default identity location to native client.

1.8.2

Fixes

  • Native parallel client forward_ssh_agent flag would not be applied correctly.

1.8.1

Fixes

  • Native client socket timeout setting would be longer than expected - #133

Packaging

  • Added Windows 3.7 wheels

1.8.0

Changes

  • Native client no longer requires public key file for authentication.
  • Native clients raise pssh.exceptions.PKeyFileError on object initialisation if provided private key file paths cannot be found.
  • Native clients expand user directory (~/<path>) on provided private key paths.
  • Parallel clients raise TypeError when provided hosts is a string instead of list or other iterable.

1.7.0

Changes

  • Better tunneling implementation for native clients that supports multiple tunnels over single SSH connection for connecting multiple hosts through single proxy.
  • Added greenlet_timeout setting to native client run_command to pass on to getting greenlet result to allow for greenlets to timeout.
  • Native client raises specific exceptions on non-authentication errors connecting to host instead of generic SessionError.

Fixes

  • Native client tunneling would not work correctly - #123.
  • timeout setting was not applied to native client sockets.
  • Native client would have SessionError instead of Timeout exceptions on timeout errors connecting to hosts.

1.6.3

Changes

  • Re-generated C code with latest Cython release.

Fixes

  • ssh2-python >= 0.14.0 support.

1.6.2

Fixes

  • Native client proxy initialisation failures were not caught by stop_on_errors=False - #121.

1.6.1

Fixes

  • Host would always be 127.0.0.1 when using proxy_host on native client - #120.

1.6.0

Changes

  • Added scp_send and scp_recv functions to native clients for sending and receiving files via SCP respectively.
  • Refactoring - clients moved to their own sub-package - pssh.clients - with backwards compatibility for imports from pssh.pssh_client and pssh.pssh2_client.
  • Show underlying exception from native client library when raising parallel-ssh exceptions.
  • host parameter added to all exceptions raised by parallel clients - #116
  • Deprecation warning for client imports.
  • Deprecation warning for default client changing from paramiko to native client as of 2.0.0.
  • Upgrade embedded libssh2 in binary wheels to latest version plus enhancements.
  • Adds support for ECDSA host keys for native client.
  • Adds support for SHA-256 host key fingerprints for native client.
  • Added SSH agent forwarding to native client, defaults to on as per paramiko client - forward_ssh_agent keyword parameter.
  • Windows wheels switched to OpenSSL back end for native client.
  • Windows wheels include zlib and have compression enabled for native client.
  • Added OSX 10.13 wheel build.

Fixes

  • Windows native client could not connect to newer SSH servers - thanks Pavel.

Note - libssh2 changes apply to binary wheels only. For building from source, see documentation.

1.5.5

Fixes

  • Use of sudo in native client incorrectly required escaping of command.

1.5.4

Changes

  • Compatibility with ssh2-python >= 0.11.0.

1.5.2

Changes

  • Output generators automatically restarted on call to join so output can resume on any timeouts.

1.5.1

Fixes

  • Output pssh.exceptions.Timeout exception raising was not enabled.

1.5.0

Changes

  • ParallelSSH2Client.join with timeout now consumes output to ensure command completion status is accurate.
  • Output reading now raises pssh.exceptions.Timeout exception when timeout is requested and reached with command still running.

Fixes

  • ParallelSSH2Client.join would always raise Timeout when output has not been consumed even if command has finished - #104.

1.4.0

Changes

  • ParallelSSH2Client.join now raises pssh.exceptions.Timeout exception when timeout is requested and reached with command still running.

Fixes

  • ParallelSSH2Client.join timeout duration was incorrectly for per-host rather than total.
  • SFTP read flags were not fully portable.

1.3.2

Fixes

  • Binary wheels would have bad version info and require git for installation.

1.3.1

Changes

  • Added timeout optional parameter to join and run_command, for reading output, on native clients.

Fixes

  • From source builds when Cython is installed with recent versions of ssh2-python.

1.3.0

Changes

  • Native clients proxy implementation
  • Native clients connection and authentication retry mechanism

Proxy/tunnelling implementation is experimental - please report any issues.

1.2.1

Fixes

  • PyPy builds

1.2.0

Changes

  • New ssh2-python (libssh2) native library based clients
  • Added retry_delay keyword parameter to parallel clients
  • Added get_last_output function for retrieving output of last executed commands
  • Added cmds attribute to parallel clients for last executed commands

Fixes

  • Remote path for SFTP operations was created incorrectly on Windows - #88 - thanks @moscoquera
  • Parallel client key error when openssh config with a host name override was used - #93
  • Clean up after paramiko clients

1.1.1

Changes

  • Accept Paramiko version 2 but < 2.2 (it's buggy).

1.1.0

Changes

  • Allow passing on of additional keyword arguments to underlying SSH library via run_command - #85

1.0.0

Changes from 0.9x series API

  • ParallelSSHClient.join no longer consumes output buffers
  • Command output is now a dictionary of host name -> host output object with stdout and et al attributes. Host output supports dictionary-like item lookup for backwards compatibility. No code changes are needed to output use though documentation will from now on refer to the new attribute style output. Dictionary-like item access is deprecated and will be removed in future major release, like 2.x.
  • Made output encoding configurable via keyword argument on run_command and get_output
  • pssh.output.HostOutput class added to hold host output
  • Added copy_remote_file function for copying remote files to local ones in parallel
  • Deprecated since 0.70.0 ParallelSSHClient API endpoints removed
  • Removed setuptools >= 28.0.0 dependency for better compatibility with existing installations. Pip version dependency remains for Py 2.6 compatibility with gevent - documented on project's readme
  • Documented use_pty parameter of run_command
  • SSHClient read_output_buffer is now public function and has gained callback capability
  • If using the single SSHClient directly, read_output_buffer should now be used to read output buffers - this is not needed for ParallelSSHClient
  • run_command now uses named positional and keyword arguments