1 files changed, 80 insertions, 0 deletions
diff --git a/rumba/executors/docker.py b/rumba/executors/docker.py
new file mode 100644
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+++ b/rumba/executors/docker.py
@@ -0,0 +1,80 @@
+#
+# A library to manage ARCFIRE experiments
+#
+#    Copyright (C) 2017 Nextworks S.r.l.
+#    Copyright (C) 2017 imec
+#
+#    Sander Vrijders   <sander.vrijders@ugent.be>
+#    Dimitri Staessens <dimitri.staessens@ugent.be>
+#    Vincenzo Maffione <v.maffione@nextworks.it>
+#    Marco Capitani    <m.capitani@nextworks.it>
+#    Nick Aerts        <nick.aerts@ugent.be>
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the Free Software
+# Foundation, Inc., http://www.fsf.org/about/contact/.
+#
+
+from rumba import model as mod
+
+import tempfile
+import tarfile
+
+from rumba import log
+
+logger = log.get_logger(__name__)
+
+
+class DockerException(Exception):
+    pass
+
+
+class DockerExecutor(mod.Executor):
+    def __init__(self, testbed):
+        self.testbed = testbed
+        self.running_containers = testbed.running_containers
+
+    def execute_command(self, node, command, sudo=False, time_out=3):
+        logger.debug("%s >> %s" % (node.name, command))
+
+        c, o = self.running_containers[node.name].exec_run(["sh", "-c",
+                                                            command])
+        if c:
+            raise DockerException('A remote command returned an error. '
+                                  'Output:\n\n\t' + o.decode("utf-8"))
+
+        return o.decode("utf-8")
+
+    def fetch_file(self, node, path, destination, as_root=False):
+        if not path.startswith("/"):
+            workingdir = self.running_containers[node.name].attrs["Config"][
+                "WorkingDir"]
+            path = os.path.join(workingdir, path)
+
+        try:
+            with tempfile.NamedTemporaryFile() as tmp:
+                archive, _ = self.running_containers[node.name].get_archive(
+                    path)
+
+                for c in archive:
+                    tmp.write(c)
+
+                tmp.seek(0)
+
+                tarfile.TarFile(fileobj=tmp, mode='r').extract(
+                    path.basename(path), destination)
+        except:
+            logger.error("Error when extracting %s" % path)
+
+    def copy_file(self, node, path, destination):
+        pass