[node-patches] Change in ovirt-node[master]: Add ovirt.node.plugins.kdump

[fabiand at fedoraproject.org]

Fabian Deutsch has uploaded a new change for review.

Change subject: Add ovirt.node.plugins.kdump
......................................................................

Add ovirt.node.plugins.kdump

Change-Id: I7443ed0a9e561225bc34b36952b4f832ba1e1cd5
Signed-off-by: Fabian Deutsch <fabiand at fedoraproject.org>
---
A scripts/tui/src/ovirt/node/plugins/kdump.py
1 file changed, 106 insertions(+), 0 deletions(-)


  git pull ssh://gerrit.ovirt.org:29418/ovirt-node refs/changes/77/9877/1

diff --git a/scripts/tui/src/ovirt/node/plugins/kdump.py b/scripts/tui/src/ovirt/node/plugins/kdump.py
new file mode 100644
index 0000000..4e690dd
--- /dev/null
+++ b/scripts/tui/src/ovirt/node/plugins/kdump.py
@@ -0,0 +1,106 @@
+"""
+Configure KDump
+"""
+import logging
+
+import ovirt.node.plugins
+import ovirt.node.valid
+import ovirt.node.plugins
+import ovirt.node.utils
+
+LOGGER = logging.getLogger(__name__)
+
+
+class Plugin(ovirt.node.plugins.NodePlugin):
+    _model = None
+    _widgets = None
+
+    _types = [
+                 ("local", "Local"),
+                 ("ssh", "SSH"),
+                 ("nfs", "NFS")
+             ]
+
+    def name(self):
+        return "Kdump"
+
+    def rank(self):
+        return 70
+
+    def model(self):
+        """Returns the model of this plugin
+        This is expected to parse files and all stuff to build up the model.
+        """
+        if not self._model:
+            self._model = {
+                # The target address
+                "kdump.type": "ssh",
+                "kdump.ssh_location": "",
+                "kdump.nfs_location": "",
+            }
+        return self._model
+
+    def validators(self):
+        """Validators validate the input on change and give UI feedback
+        """
+        return {
+                "kdump.type": ovirt.node.valid.Options([t[1] for t in self._types]),
+                "kdump.ssh_location": ovirt.node.valid.Text(),
+                "kdump.nfs_location": ovirt.node.valid.Text(),
+            }
+
+    def ui_content(self):
+        """Describes the UI this plugin requires
+        This is an ordered list of (path, widget) tuples.
+        """
+        widgets = [
+            ("kdump.header", ovirt.node.plugins.Header("Configure Kdump")),
+            ("kdump.type", ovirt.node.plugins.Options("Type", self._types)),
+            ("kdump.ssh_location", ovirt.node.plugins.Entry("SSH Location")),
+            ("kdump.nfs_location", ovirt.node.plugins.Entry("NFS Location")),
+        ]
+        # Save it "locally" as a dict, for better accessability
+        self._widgets = dict(widgets)
+        return widgets
+
+    def ui_config(self):
+        return {
+            "save_button": False
+        }
+
+    def on_change(self, changes):
+        """Applies the changes to the plugins model, will do all required logic
+        """
+        LOGGER.debug("New (valid) address: %s" % changes)
+        if "kdump.type" in changes:
+            net_types = ["kdump.ssh_location", "kdump.nfs_location"]
+
+            for w in net_types:
+                self._widgets[w].enabled(False)
+
+            w = "kdump.%s_location" % changes["kdump.type"]
+            if w in net_types:
+                self._widgets[w].enabled(True),
+
+            self._model.update(changes)
+
+    def on_merge(self, changes):
+        """Applies the changes to the plugins model, will do all required logic
+        Normally on_merge is called by pushing the SaveButton instance, in this
+        case it is called by on_change
+        """
+
+        if "ping.address" in self._model:
+            addr = self._model["ping.address"]
+            count = self._model["ping.count"]
+            LOGGER.debug("Pinging %s" % addr)
+
+            cmd = "ping"
+            if ovirt.node.valid.IPv6Address().validate(addr):
+                cmd = "ping6"
+
+            cmd = "%s -c %s %s" % (cmd, count, addr)
+            out = ""
+            for line in ovirt.node.utils.pipe_async(cmd):
+                out += line
+                self._widgets["ping.result"].text("Result:\n\n%s" % out)


--
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Gerrit-MessageType: newchange
Gerrit-Change-Id: I7443ed0a9e561225bc34b36952b4f832ba1e1cd5
Gerrit-PatchSet: 1
Gerrit-Project: ovirt-node
Gerrit-Branch: master
Gerrit-Owner: Fabian Deutsch <fabiand at fedoraproject.org>