From: Mark Huang <mlhuang@cs.princeton.edu>
Date: Mon, 16 Oct 2006 18:23:19 +0000 (+0000)
Subject: implement AdmGenerateNodeConfFile for backward compatibility
X-Git-Tag: pycurl-7_13_1~564
X-Git-Url: http://git.onelab.eu/?a=commitdiff_plain;h=e93b72e44b8c848dd5bd050e8c31951f69512157;p=plcapi.git

implement AdmGenerateNodeConfFile for backward compatibility
---

diff --git a/PLC/Methods/AdmGenerateNodeConfFile.py b/PLC/Methods/AdmGenerateNodeConfFile.py
new file mode 100644
index 00000000..0afbabb4
--- /dev/null
+++ b/PLC/Methods/AdmGenerateNodeConfFile.py
@@ -0,0 +1,105 @@
+import random
+import base64
+
+from PLC.Faults import *
+from PLC.Method import Method
+from PLC.Parameter import Parameter, Mixed
+from PLC.Nodes import Node, Nodes
+from PLC.NodeNetworks import NodeNetwork, NodeNetworks
+from PLC.Auth import PasswordAuth
+
+class AdmGenerateNodeConfFile(Method):
+    """
+    Deprecated. Functionality can be implemented with GetNodes,
+    GetNodeNetworks, and UpdateNode.
+
+    Creates a new node configuration file if all network settings are
+    present. This function will generate a new node key for the
+    specified node, effectively invalidating any old configuration
+    files.
+
+    Non-admins can only generate files for nodes at their sites.
+
+    Returns the contents of the file if successful, faults otherwise.
+    """
+
+    status = "deprecated"
+
+    roles = ['admin', 'pi', 'tech']
+
+    accepts = [
+        PasswordAuth(),
+        Mixed(Node.fields['node_id'],
+              Node.fields['hostname'])
+        ]
+
+    returns = Parameter(str, "Node configuration file")
+
+    def call(self, auth, node_id_or_hostname):
+        # Get node information
+        nodes = Nodes(self.api, [node_id_or_hostname]).values()
+        if not nodes:
+            raise PLCInvalidArgument, "No such node"
+        node = nodes[0]
+
+        # If we are not an admin, make sure that the caller is a
+        # member of the site at which the node is located.
+        if 'admin' not in self.caller['roles']:
+            if node['site_id'] not in self.caller['site_ids']:
+                raise PLCPermissionDenied, "Not allowed to generate a configuration file for that node"
+
+	# Get node networks for this node
+        primary = None
+        nodenetworks = NodeNetworks(self.api, node['nodenetwork_ids']).values()
+        for nodenetwork in nodenetworks:
+            if nodenetwork['is_primary']:
+                primary = nodenetwork
+                break
+        if primary is None:
+            raise PLCInvalidArgument, "No primary network configured"
+
+        # Split hostname into host and domain parts
+        parts = node['hostname'].split(".", 1)
+        if len(parts) < 2:
+            raise PLCInvalidArgument, "Node hostname is invalid"
+        host = parts[0]
+        domain = parts[1]
+
+        # Generate 32 random bytes
+        bytes = random.sample(xrange(0, 256), 32)
+        # Base64 encode their string representation
+        node['key'] = base64.b64encode("".join(map(chr, bytes)))
+        # Save it
+        node.sync()
+
+        # Generate node configuration file suitable for BootCD
+        file = ""
+
+        file += 'NODE_ID="%d"\n' % node['node_id']
+        file += 'NODE_KEY="%s"\n' % node['key']
+
+        if primary['mac']:
+            file += 'NET_DEVICE="%s"\n' % primary['mac'].lower()
+
+        file += 'IP_METHOD="%s"\n' % primary['method']
+
+        if primary['method'] == 'static':
+            file += 'IP_ADDRESS="%s"\n' % primary['ip']
+            file += 'IP_GATEWAY="%s"\n' % primary['gateway']
+            file += 'IP_NETMASK="%s"\n' % primary['netmask']
+            file += 'IP_NETADDR="%s"\n' % primary['network']
+            file += 'IP_BROADCASTADDR="%s"\n' % primary['broadcast']
+            file += 'IP_DNS1="%s"\n' % primary['dns1']
+            file += 'IP_DNS2="%s"\n' % primary['dns2']
+
+        file += 'HOST_NAME="%s"\n' % host
+        file += 'DOMAIN_NAME="%s"\n' % domain
+
+        for nodenetwork in nodenetworks:
+            if nodenetwork['method'] == 'ipmi':
+                file += 'IPMI_ADDRESS="%s"\n' % nodenetwork['ip']
+                if nodenetwork['mac']:
+                    file += 'IPMI_MAC="%s"\n' % nodenetwork['mac'].lower()
+                break
+
+        return file