Rename migration type to migration mode

This is in preparation for the rename of the opcode 'live' parameter to
'mode'.
Signed-off-by: Iustin Pop <iustin@google.com>
Reviewed-by: René Nussbaumer <rn@google.com>

lib/cli.py

 #
 #
 
-# Copyright (C) 2006, 2007 Google Inc.
+# Copyright (C) 2006, 2007, 2008, 2009, 2010 Google Inc.
 #
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -87,7 +87,7 @@ __all__ = [
   "MAINTAIN_NODE_HEALTH_OPT",
   "MASTER_NETDEV_OPT",
   "MC_OPT",
-  "MIGRATION_TYPE_OPT",
+  "MIGRATION_MODE_OPT",
   "NET_OPT",
   "NEW_CLUSTER_CERT_OPT",
   "NEW_CLUSTER_DOMAIN_SECRET_OPT",
@@ -699,10 +699,10 @@ NONLIVE_OPT = cli_option("--non-live", dest="live",
                          " freeze the instance, save the state, transfer and"
                          " only then resume running on the secondary node)")
 
-MIGRATION_TYPE_OPT = cli_option("--migration-type", dest="migration_type",
+MIGRATION_MODE_OPT = cli_option("--migration-mode", dest="migration_mode",
                                 default=None,
-                                choices=list(constants.HT_MIGRATION_TYPES),
-                                help="Override default migration type (choose"
+                                choices=list(constants.HT_MIGRATION_MODES),
+                                help="Override default migration mode (choose"
                                 " either live or non-live")
 
 NODE_PLACEMENT_OPT = cli_option("-n", "--node", dest="node",

lib/cmdlib.py

 #
 #
 
-# Copyright (C) 2006, 2007, 2008 Google Inc.
+# Copyright (C) 2006, 2007, 2008, 2009, 2010 Google Inc.
 #
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -234,7 +234,7 @@ _PNodeName = ("node_name", _NoDefault, _TNonEmptyString)
 
 #: the migration type (live/non-live)
 _PMigrationLive = ("live", None, _TOr(_TNone,
-                                      _TElemOf(constants.HT_MIGRATION_TYPES)))
+                                      _TElemOf(constants.HT_MIGRATION_MODES)))
 
 
 # End types
@@ -5822,7 +5822,7 @@ class TLMigrateInstance(Tasklet):
     if self.lu.op.live is None:
       # read the default value from the hypervisor
       i_hv = self.cfg.GetClusterInfo().FillHV(instance, skip_globals=False)
-      self.lu.op.live = i_hv[constants.HV_MIGRATION_TYPE]
+      self.lu.op.live = i_hv[constants.HV_MIGRATION_MODE]
 
     self.live = self.lu.op.live == constants.HT_MIGRATION_LIVE
 

lib/constants.py

@@ -546,7 +546,7 @@ HV_INIT_SCRIPT = "init_script"
 HV_MIGRATION_PORT = "migration_port"
 HV_MIGRATION_BANDWIDTH = "migration_bandwidth"
 HV_MIGRATION_DOWNTIME = "migration_downtime"
-HV_MIGRATION_TYPE = "migration_type"
+HV_MIGRATION_MODE = "migration_mode"
 HV_USE_LOCALTIME = "use_localtime"
 HV_DISK_CACHE = "disk_cache"
 HV_SECURITY_MODEL = "security_model"
@@ -582,7 +582,7 @@ HVS_PARAMETER_TYPES = {
   HV_MIGRATION_PORT: VTYPE_INT,
   HV_MIGRATION_BANDWIDTH: VTYPE_INT,
   HV_MIGRATION_DOWNTIME: VTYPE_INT,
-  HV_MIGRATION_TYPE: VTYPE_STRING,
+  HV_MIGRATION_MODE: VTYPE_STRING,
   HV_USE_LOCALTIME: VTYPE_BOOL,
   HV_DISK_CACHE: VTYPE_STRING,
   HV_SECURITY_MODEL: VTYPE_STRING,
@@ -733,7 +733,7 @@ HT_KVM_FLAG_VALUES = frozenset([HT_KVM_ENABLED, HT_KVM_DISABLED])
 # Migration type
 HT_MIGRATION_LIVE = "live"
 HT_MIGRATION_NONLIVE = "non-live"
-HT_MIGRATION_TYPES = frozenset([HT_MIGRATION_LIVE, HT_MIGRATION_NONLIVE])
+HT_MIGRATION_MODES = frozenset([HT_MIGRATION_LIVE, HT_MIGRATION_NONLIVE])
 
 # Cluster Verify steps
 VERIFY_NPLUSONE_MEM = 'nplusone_mem'
@@ -877,7 +877,7 @@ HVC_DEFAULTS = {
     HV_ROOT_PATH: '/dev/sda1',
     HV_KERNEL_ARGS: 'ro',
     HV_MIGRATION_PORT: 8002,
-    HV_MIGRATION_TYPE: HT_MIGRATION_LIVE,
+    HV_MIGRATION_MODE: HT_MIGRATION_LIVE,
     },
   HT_XEN_HVM: {
     HV_BOOT_ORDER: "cd",
@@ -891,7 +891,7 @@ HVC_DEFAULTS = {
     HV_KERNEL_PATH: "/usr/lib/xen/boot/hvmloader",
     HV_DEVICE_MODEL: "/usr/lib/xen/bin/qemu-dm",
     HV_MIGRATION_PORT: 8002,
-    HV_MIGRATION_TYPE: HT_MIGRATION_NONLIVE,
+    HV_MIGRATION_MODE: HT_MIGRATION_NONLIVE,
     HV_USE_LOCALTIME: False,
     },
   HT_KVM: {
@@ -914,7 +914,7 @@ HVC_DEFAULTS = {
     HV_MIGRATION_PORT: 8102,
     HV_MIGRATION_BANDWIDTH: 32, # MiB/s
     HV_MIGRATION_DOWNTIME: 30,  # ms
-    HV_MIGRATION_TYPE: HT_MIGRATION_LIVE,
+    HV_MIGRATION_MODE: HT_MIGRATION_LIVE,
     HV_USE_LOCALTIME: False,
     HV_DISK_CACHE: HT_CACHE_DEFAULT,
     HV_SECURITY_MODEL: HT_SM_NONE,
@@ -936,7 +936,7 @@ HVC_DEFAULTS = {
 HVC_GLOBALS = frozenset([
   HV_MIGRATION_PORT,
   HV_MIGRATION_BANDWIDTH,
-  HV_MIGRATION_TYPE,
+  HV_MIGRATION_MODE,
   ])
 
 BEC_DEFAULTS = {

lib/hypervisor/hv_base.py

 #
 #
 
-# Copyright (C) 2006, 2007, 2008 Google Inc.
+# Copyright (C) 2006, 2007, 2008, 2009, 2010 Google Inc.
 #
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -89,8 +89,8 @@ NO_CHECK = (False, None, None, None, None)
 REQUIRED_CHECK = (True, None, None, None, None)
 
 # migration type
-MIGRATION_TYPE_CHECK = (True, lambda x: x in constants.HT_MIGRATION_TYPES,
-                        "invalid migration type", None, None)
+MIGRATION_MODE_CHECK = (True, lambda x: x in constants.HT_MIGRATION_MODES,
+                        "invalid migration mode", None, None)
 
 
 def ParamInSet(required, my_set):

lib/hypervisor/hv_kvm.py

 #
 #
 
-# Copyright (C) 2008 Google Inc.
+# Copyright (C) 2008, 2009, 2010 Google Inc.
 #
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -194,7 +194,7 @@ class KVMHypervisor(hv_base.BaseHypervisor):
     constants.HV_MIGRATION_PORT: hv_base.NET_PORT_CHECK,
     constants.HV_MIGRATION_BANDWIDTH: hv_base.NO_CHECK,
     constants.HV_MIGRATION_DOWNTIME: hv_base.NO_CHECK,
-    constants.HV_MIGRATION_TYPE: hv_base.MIGRATION_TYPE_CHECK,
+    constants.HV_MIGRATION_MODE: hv_base.MIGRATION_MODE_CHECK,
     constants.HV_USE_LOCALTIME: hv_base.NO_CHECK,
     constants.HV_DISK_CACHE:
       hv_base.ParamInSet(True, constants.HT_VALID_CACHE_TYPES),

lib/hypervisor/hv_xen.py

 #
 #
 
-# Copyright (C) 2006, 2007, 2008 Google Inc.
+# Copyright (C) 2006, 2007, 2008, 2009, 2010 Google Inc.
 #
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -458,7 +458,7 @@ class XenPvmHypervisor(XenHypervisor):
     constants.HV_ROOT_PATH: hv_base.REQUIRED_CHECK,
     constants.HV_KERNEL_ARGS: hv_base.NO_CHECK,
     constants.HV_MIGRATION_PORT: hv_base.NET_PORT_CHECK,
-    constants.HV_MIGRATION_TYPE: hv_base.MIGRATION_TYPE_CHECK,
+    constants.HV_MIGRATION_MODE: hv_base.MIGRATION_MODE_CHECK,
     }
 
   @classmethod
@@ -557,7 +557,7 @@ class XenHvmHypervisor(XenHypervisor):
     constants.HV_DEVICE_MODEL: hv_base.REQ_FILE_CHECK,
     constants.HV_VNC_PASSWORD_FILE: hv_base.REQ_FILE_CHECK,
     constants.HV_MIGRATION_PORT: hv_base.NET_PORT_CHECK,
-    constants.HV_MIGRATION_TYPE: hv_base.MIGRATION_TYPE_CHECK,
+    constants.HV_MIGRATION_MODE: hv_base.MIGRATION_MODE_CHECK,
     constants.HV_USE_LOCALTIME: hv_base.NO_CHECK,
     }
 

man/gnt-instance.sgml

@@ -2407,7 +2407,7 @@ node1.example.com:disk/1:/dev/drbd1
           <command>migrate</command>
           <arg>-f</arg>
           <arg>--non-live</arg>
-          <arg>--migration-type=live|non-live</arg>
+          <arg>--migration-mode=live|non-live</arg>
           <arg choice="req"><replaceable>instance</replaceable></arg>
         </cmdsynopsis>
 
@@ -2425,7 +2425,7 @@ node1.example.com:disk/1:/dev/drbd1
 
         <para>
           The <option>--non-live</option>
-          and <option>--migration-type=non-live</option> options will
+          and <option>--migration-mode=non-live</option> options will
           switch (for the hypervisors that support it) between a
           "fully live" (i.e. the interruption is as minimal as
           possible) migration and one in which the instance is frozen,
@@ -2434,7 +2434,7 @@ node1.example.com:disk/1:/dev/drbd1
           for two different methods. In any case, it is not an error
           to pass this parameter (it will just be ignored if the
           hypervisor doesn't support it). The
-          option <option>--migration-type=live</option> option will
+          option <option>--migration-mode=live</option> option will
           request a fully-live migration. The default, when neither
           option is passed, depends on the hypervisor parameters (and
           can be viewed with the <command>gnt-cluster info</command>

man/gnt-node.sgml

@@ -571,7 +571,7 @@
         <command>migrate</command>
         <arg>-f</arg>
         <arg>--non-live</arg>
-        <arg>--migration-type=live|non-live</arg>
+        <arg>--migration-mode=live|non-live</arg>
         <arg choice="req"><replaceable>node</replaceable></arg>
       </cmdsynopsis>
 
@@ -584,7 +584,7 @@
       <para>
         As for the <command>gnt-instance migrate</command> command,
         the options <option>--no-live</option>
-        and <option>--migration-type</option> can be given to
+        and <option>--migration-mode</option> can be given to
         influence the migration type.
       </para>
 

scripts/gnt-instance

 #!/usr/bin/python
 #
 
-# Copyright (C) 2006, 2007 Google Inc.
+# Copyright (C) 2006, 2007, 2008, 2009, 2010 Google Inc.
 #
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -898,14 +898,14 @@ def MigrateInstance(opts, args):
       return 1
 
   # this should be removed once --non-live is deprecated
-  if not opts.live and opts.migration_type is not None:
+  if not opts.live and opts.migration_mode is not None:
     raise errors.OpPrereqError("Only one of the --non-live and "
-                               "--migration-type options can be passed",
+                               "--migration-mode options can be passed",
                                errors.ECODE_INVAL)
   if not opts.live: # --non-live passed
     live = constants.HT_MIGRATION_NONLIVE
   else:
-    live = opts.migration_type
+    live = opts.migration_mode
 
   op = opcodes.OpMigrateInstance(instance_name=instance_name, live=live,
                                  cleanup=opts.cleanup)
@@ -1419,7 +1419,7 @@ commands = {
     " using the remote mirror (only for instances of type drbd)"),
   'migrate': (
     MigrateInstance, ARGS_ONE_INSTANCE,
-    [FORCE_OPT, NONLIVE_OPT, MIGRATION_TYPE_OPT, CLEANUP_OPT],
+    [FORCE_OPT, NONLIVE_OPT, MIGRATION_MODE_OPT, CLEANUP_OPT],
     "[-f] <instance>", "Migrate instance to its secondary node"
     " (only for instances of type drbd)"),
   'move': (

scripts/gnt-node

 #!/usr/bin/python
 #
 
-# Copyright (C) 2006, 2007, 2008 Google Inc.
+# Copyright (C) 2006, 2007, 2008, 2009, 2010 Google Inc.
 #
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -361,14 +361,14 @@ def MigrateNode(opts, args):
     return 2
 
   # this should be removed once --non-live is deprecated
-  if not opts.live and opts.migration_type is not None:
+  if not opts.live and opts.migration_mode is not None:
     raise errors.OpPrereqError("Only one of the --non-live and "
-                               "--migration-type options can be passed",
+                               "--migration-mode options can be passed",
                                errors.ECODE_INVAL)
   if not opts.live: # --non-live passed
     live = constants.HT_MIGRATION_NONLIVE
   else:
-    live = opts.migration_type
+    live = opts.migration_mode
   op = opcodes.OpMigrateNode(node_name=args[0], live=live)
   SubmitOpCode(op, cl=cl, opts=opts)
 
@@ -661,7 +661,7 @@ commands = {
     "Stops the primary instances on a node and start them on their"
     " secondary node (only for instances with drbd disk template)"),
   'migrate': (
-    MigrateNode, ARGS_ONE_NODE, [FORCE_OPT, NONLIVE_OPT, MIGRATION_TYPE_OPT],
+    MigrateNode, ARGS_ONE_NODE, [FORCE_OPT, NONLIVE_OPT, MIGRATION_MODE_OPT],
     "[-f] <node>",
     "Migrate all the primary instance on a node away from it"
     " (only for instances of type drbd)"),