Added id_ecdsa to default identities list for native client. Updated changelog.

Disable python 3.7 win32 builds due to gevent build failure on that platform and architecture
Updated travis cfg
Updated documentation, readme
Updated travis osx script.

Author: Pan

.appveyor.yml

@@ -58,11 +58,12 @@ environment:
       MSVC: "Visual Studio 14 Win64"
       ARCH: x64_86
 
-    - PYTHON: "C:\\Python37"
-      PYTHON_VERSION: "3.7"
-      PYTHON_ARCH: "32"
-      MSVC: "Visual Studio 14"
-      ARCH: i386
+    # No gevent 3.7 32-bit wheel available, source build fails.
+    # - PYTHON: "C:\\Python37"
+    #   PYTHON_VERSION: "3.7"
+    #   PYTHON_ARCH: "32"
+    #   MSVC: "Visual Studio 14"
+    #   ARCH: i386
 
     - PYTHON: "C:\\Python37-x64"
       PYTHON_VERSION: "3.7"

.travis.yml

@@ -25,10 +25,9 @@ before_install:
 install:
   - pip install -r requirements_dev.txt
 script:
-  - export LD_LIBRARY_PATH=/usr/local/lib/x86_64-linux-gnu
   # For testing SSH agent related functionality
   - eval `ssh-agent -s`
-  - nosetests --with-coverage --cover-package=pssh tests/test_native_tunnel.py
+  - nosetests --with-coverage --cover-package=pssh --nologcapture tests/test_native_tunnel.py
   - nosetests --with-coverage --cover-package=pssh tests/test_native_*_client.py
   - nosetests --with-coverage --cover-package=pssh tests/test_paramiko*.py
   - flake8 pssh

Changelog.rst

@@ -7,9 +7,10 @@ Change Log
 Changes
 --------
 
-* Removed libssh2 native library dependency in favour of bundled ssh2-python libssh2 library.
+* 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`` to configure interval, ``0`` to disable.
+* 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

README.rst

@@ -233,7 +233,7 @@ The default SSH client library in ``parallel-ssh`` ``1.x.x`` series.
 
 Pure Python code, while having native extensions as dependencies, with poor performance and numerous bugs compared to both OpenSSH binaries and the ``libssh2`` based native clients in ``parallel-ssh`` ``1.2.x`` and above. Recent versions have regressed in performance and have `blocker issues <https://github.com/ParallelSSH/parallel-ssh/issues/83>`_.
 
-It does not support non-blocking mode, so to make it non-blocking monkey patching must be used which affects all other uses of the Python standard library. However, some functionality like Kerberos (GSS-API) authentication is not provided by other libraries.
+It does not support non-blocking mode, so to make it non-blocking monkey patching must be used which affects all other uses of the Python standard library. However, some functionality like Kerberos (GSS-API) authentication is not currently provided by other libraries.
 
 asyncssh
 ________

ci/travis/pyenv-wheel.sh

@@ -26,13 +26,11 @@ python -m pip install -U setuptools pip
 pip install -U delocate wheel
 pip install -r requirements.txt
 pip wheel --no-deps .
-cp /usr/local/lib/libssh2* .
 delocate-listdeps --all *.whl
 delocate-wheel -v *.whl
 delocate-listdeps --all *.whl
 
 ls -l *.whl
-rm -f *.dylib
 pip install -v *.whl
 pwd; mkdir -p temp; cd temp; pwd
 python -c "import pssh.clients" && echo "Import successfull"

doc/installation.rst

@@ -17,35 +17,20 @@ Pip Install
 
 If ``pip`` is not available on your Python platform, `see this installation guide <http://docs.python-guide.org/en/latest/starting/installation/>`_.
 
-Old Python Versions
----------------------
-
-``1.1.x`` and above releases are not guaranteed to be compatible with Python ``2.6``.
-
-If you are running a deprecated Python version such as ``2.6`` you may need to install an older version of ``parallel-ssh`` that is compatible with that Python platform.
-
-For example, to install the ``1.0.0`` version, run the following.
-
-.. code-block:: shell
-
-  pip install parallel-ssh==1.0.0
-
-``1.0.0`` is compatible with all Python versions over or equal to ``2.6``, including all of the ``3.x`` series.
-
-Older versions such as `0.70.x` are compatible with Python ``2.5`` and ``2.x`` but not the ``3.x`` series.
-
 Dependencies
 --------------
 
-When installing from source, it is responsibility of user to satisfy dependencies. For pre-built binary wheel packages with dependencies included, see `Pip Install`_.
+When installing from source, dependencies must be satisfied by ``pip install -r requirements.txt``. For pre-built binary wheel packages with dependencies included, see `Pip Install`_.
 
-============ ================
-Dependency   Minimum Version
-============ ================
-``libssh2``      ``1.6``
-``gevent``       ``1.1``
-``paramiko``     ``1.15.3``
-============ ================
+From ``2.0.0`` onwards, paramiko will become an _optional_ extra, with ``libssh2``, and for a limited set of functionality, ``libssh`` native library based clients via ``ssh2-python`` and ``ssh-python`` bindings respectively replacing it.
+
+===============    ================
+Dependency         Minimum Version
+===============    ================
+``ssh2-python``    ``0.16.0``
+``gevent``         ``1.1``
+``paramiko``       ``1.15.3``
+===============    ================
 
 
 Building from Source
@@ -106,7 +91,7 @@ Debian based
 
 .. code-block:: shell
 
-   docker build --cache-from parallelssh/ssh2-python:debian7 ci/docker/debian7 -t debian7
+   docker build --cache-from parallelssh/parallel-ssh-pkgs:debian7 ci/docker/debian7 -t debian7
    docker run -v "$(pwd):/src/" debian7 --iteration debian7 -s python -t deb setup.py
 
 
@@ -115,5 +100,26 @@ RPM based
 
 .. code-block:: shell
 
-   docker build --cache-from parallelssh/ssh2-python:centos7 ci/docker/centos7 -t centos7
+   docker build --cache-from parallelssh/parallel-ssh-pkgs:centos7 ci/docker/centos7 -t centos7
    docker run -v "$(pwd):/src/" centos7 --rpm-dist el7 -s python -t rpm setup.py
+
+
+See `fpm <http://fpm.readthedocs.io/en/latest/>`_ for making system packages of various types.
+
+
+Deprecated Python Versions
+---------------------------
+
+``1.1.x`` and above releases are not compatible with Python ``2.6``.
+
+If you are running a deprecated Python version such as ``2.6`` you may need to install an older version of ``parallel-ssh`` that is compatible with that Python platform.
+
+For example, to install the ``1.0.0`` version, run the following.
+
+.. code-block:: shell
+
+  pip install parallel-ssh==1.0.0
+
+``1.0.0`` is compatible with all Python versions over or equal to ``2.6``, including all of the ``3.x`` series.
+
+Older versions such as `0.70.x` are compatible with Python ``2.5`` and ``2.x`` but not the ``3.x`` series.

doc/ssh2.rst

@@ -5,25 +5,26 @@ For the ``ssh2-python`` (``libssh2``) based clients, not all features supported
 
 Below is a comparison of feature support for the two client types.
 
-===============================  ============== ======================
-Feature                          paramiko       ssh2-python (libssh2)
-===============================  ============== ======================
-Agent forwarding                  Yes           Yes (binary wheels or from source builds only)
-Proxying/tunnelling               Yes           Yes
-Kerberos (GSS) authentication     Yes           Not supported
-Private key file authentication   Yes           Yes
-Private key from memory           Yes           Not yet implemented
-Agent authentication              Yes           Yes
-Password authentication           Yes           Yes
-SFTP copy to/from hosts           Yes           Yes
-Session timeout setting           Yes           Yes
-Per-channel timeout setting       Yes           Yes
-Programmatic SSH agent            Yes           Not supported
-OpenSSH config parsing            Yes           Not yet implemented
-ECSA keys support                 Yes           Yes
-SCP functionality                 Not supported Yes
-===============================  ============== ======================
+===============================  ==============  ====================== ===============================================================================
+Feature                          paramiko        ssh2-python (libssh2)  Notes
+===============================  ==============  ====================== ===============================================================================
+Agent forwarding                  Yes            Yes                    From source builds only - cython and embedded ssh2 required
+Proxying/tunnelling               Yes            Yes                    Current implementation has low performance - establishes connections serially
+Kerberos (GSS) authentication     Yes            Not supported
+Private key file authentication   Yes            Yes                    ECDSA supported, ED25519 pending upstream update
+Private key from memory           Yes            Not yet implemented
+Agent authentication              Yes            Yes
+Password authentication           Yes            Yes
+SFTP copy to/from hosts           Yes            Yes
+Session timeout setting           Yes            Yes
+Per-channel timeout setting       Yes            Yes
+Programmatic SSH agent            Yes            Not supported
+OpenSSH config parsing            Yes            Not yet implemented
+ECSA keys support                 Yes            Yes
+SCP functionality                 Not supported  Yes
+Keep-alive functionality          Unknown        Yes                     As of ``1.9.0``
+===============================  =============== ======================  ==============================================================================
 
-If any of missing features are required for a use case, then the paramiko based clients should be used instead.
+If any of missing features are required for a use case, then the paramiko based clients should be used instead. Note there are several breaking bugs and low performance in some paramiko functionality, mileage may vary.
 
 In all other cases the ``ssh2-python`` based clients offer significantly greater performance at less overhead and are preferred.

pssh/clients/native/single.py

@@ -54,11 +54,12 @@
 class SSHClient(object):
     """ssh2-python (libssh2) based non-blocking SSH client."""
 
-    IDENTITIES = [
+    IDENTITIES = (
         os.path.expanduser('~/.ssh/id_rsa'),
         os.path.expanduser('~/.ssh/id_dsa'),
-        os.path.expanduser('~/.ssh/identity')
-    ]
+        os.path.expanduser('~/.ssh/identity'),
+        os.path.expanduser('~/.ssh/id_ecdsa'),
+    )
 
     def __init__(self, host,
                  user=None, password=None, port=None,
@@ -122,11 +123,11 @@ def __init__(self, host,
         self.forward_ssh_agent = forward_ssh_agent
         self._forward_requested = False
         self.session = None
+        self.keepalive_seconds = keepalive_seconds
+        self._keepalive_greenlet = None
         self._host = proxy_host if proxy_host else host
         self.pkey = _validate_pkey_path(pkey, self.host)
         self._connect(self._host, self.port)
-        self.keepalive_seconds = keepalive_seconds
-        self._keepalive_greenlet = None
         if _auth_thread_pool:
             THREAD_POOL.apply(self._init)
         else: