add mitogen - requires ansible 2.7

mitogen-0.2.7/mitogen/docker.py

@@ -0,0 +1,81 @@
+# Copyright 2019, David Wilson
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are met:
+#
+# 1. Redistributions of source code must retain the above copyright notice,
+# this list of conditions and the following disclaimer.
+#
+# 2. Redistributions in binary form must reproduce the above copyright notice,
+# this list of conditions and the following disclaimer in the documentation
+# and/or other materials provided with the distribution.
+#
+# 3. Neither the name of the copyright holder nor the names of its contributors
+# may be used to endorse or promote products derived from this software without
+# specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+
+# !mitogen: minify_safe
+
+import logging
+
+import mitogen.core
+import mitogen.parent
+
+
+LOG = logging.getLogger(__name__)
+
+
+class Stream(mitogen.parent.Stream):
+    child_is_immediate_subprocess = False
+
+    container = None
+    image = None
+    username = None
+    docker_path = 'docker'
+
+    # TODO: better way of capturing errors such as "No such container."
+    create_child_args = {
+        'merge_stdio': True
+    }
+
+    def construct(self, container=None, image=None,
+                  docker_path=None, username=None,
+                  **kwargs):
+        assert container or image
+        super(Stream, self).construct(**kwargs)
+        if container:
+            self.container = container
+        if image:
+            self.image = image
+        if docker_path:
+            self.docker_path = docker_path
+        if username:
+            self.username = username
+
+    def _get_name(self):
+        return u'docker.' + (self.container or self.image)
+
+    def get_boot_command(self):
+        args = ['--interactive']
+        if self.username:
+            args += ['--user=' + self.username]
+
+        bits = [self.docker_path]
+        if self.container:
+            bits += ['exec'] + args + [self.container]
+        elif self.image:
+            bits += ['run'] + args + ['--rm', self.image]
+
+        return bits + super(Stream, self).get_boot_command()