remote python client for podman

* Use podman library for access
* Verbose error checking
* Planned windows and macosx ports

Signed-off-by: Jhon Honce <jhonce@redhat.com>

1 files changed, 76 insertions, 0 deletions

diff --git a/contrib/python/cmd/lib/actions/ps_action.py b/contrib/python/cmd/lib/actions/ps_action.py
new file mode 100644
index 000000000..9fc3a155b
--- /dev/null
+++ b/contrib/python/cmd/lib/actions/ps_action.py
@@ -0,0 +1,76 @@
+"""Remote client commands dealing with containers."""
+import operator
+from collections import OrderedDict
+
+import humanize
+import podman
+
+from .. import AbstractActionBase, Report, ReportColumn
+
+
+class Ps(AbstractActionBase):
+    """Class for Container manipulation."""
+
+    @classmethod
+    def subparser(cls, parent):
+        """Add Images command to parent parser."""
+        parser = parent.add_parser('ps', help='list containers')
+        super().subparser(parser)
+        parser.add_argument(
+            '--sort',
+            choices=[
+                'createdat', 'id', 'image', 'names', 'runningfor', 'size',
+                'status'
+            ],
+            default='createdat',
+            type=str.lower,
+            help=('Change sort ordered of displayed containers.'
+                  ' (default: %(default)s)'))
+        parser.set_defaults(klass=cls, method='list')
+
+    def __init__(self, args):
+        """Construct Ps class."""
+        super().__init__(args)
+
+        self.columns = OrderedDict({
+            'id':
+            ReportColumn('id', 'CONTAINER ID', 14),
+            'image':
+            ReportColumn('image', 'IMAGE', 30),
+            'command':
+            ReportColumn('column', 'COMMAND', 20),
+            'createdat':
+            ReportColumn('createdat', 'CREATED', 12),
+            'status':
+            ReportColumn('status', 'STATUS', 10),
+            'ports':
+            ReportColumn('ports', 'PORTS', 28),
+            'names':
+            ReportColumn('names', 'NAMES', 18)
+        })
+
+    def list(self):
+        """List containers."""
+        # TODO: Verify sorting on dates and size
+        ctnrs = sorted(
+            self.client.containers.list(),
+            key=operator.attrgetter(self._args.sort))
+        if len(ctnrs) == 0:
+            return 0
+
+        rows = list()
+        for ctnr in ctnrs:
+            fields = dict(ctnr)
+            fields.update({
+                'command':
+                ' '.join(ctnr.command),
+                'createdat':
+                humanize.naturaldate(podman.datetime_parse(ctnr.createdat)),
+            })
+            rows.append(fields)
+
+        with Report(self.columns, heading=self._args.heading) as report:
+            report.layout(
+                rows, self.columns.keys(), truncate=self._args.truncate)
+            for row in rows:
+                report.row(**row)