[Libguestfs] [PATCH RHEL 7] RHEL 7: -o rhv-upload: Use Python 2 instead of Python 3.
Richard W.M. Jones
rjones at redhat.com
Mon Mar 12 12:56:13 UTC 2018
From: "Richard W.M. Jones" <rjones at redhat.com>
---
v2v/output_rhv_upload.ml | 17 ++++++++---------
v2v/rhv-upload-createvm.py | 20 ++++++++++++++++----
v2v/rhv-upload-plugin.py | 28 ++++++++++++++++++++--------
v2v/rhv-upload-precheck.py | 22 +++++++++++++++++-----
4 files changed, 61 insertions(+), 26 deletions(-)
diff --git a/v2v/output_rhv_upload.ml b/v2v/output_rhv_upload.ml
index 7530c0b..cf730bd 100644
--- a/v2v/output_rhv_upload.ml
+++ b/v2v/output_rhv_upload.ml
@@ -26,7 +26,6 @@ open Common_gettext.Gettext
open Types
open Utils
-let python3 = "python3" (* Defined by PEP 394 *)
let pidfile_timeout = 30
let finalization_timeout = 5*60
@@ -83,14 +82,14 @@ class output_rhv_upload output_alloc output_conn
error (f_"nbdkit is not new enough, you need to upgrade to nbdkit ≥ 1.1.16")
in
- (* Check that the python3 plugin is installed and working
+ (* Check that the python plugin is installed and working
* and can load the plugin script.
*)
- let error_unless_nbdkit_python3_working () =
+ let error_unless_nbdkit_python_working () =
let cmd = sprintf "nbdkit %s %s --dump-plugin >/dev/null"
- python3 (quote plugin) in
+ "python" (quote plugin) in
if Sys.command cmd <> 0 then
- error (f_"nbdkit Python 3 plugin is not installed or not working. It is required if you want to use ‘-o rhv-upload’.
+ error (f_"nbdkit Python plugin is not installed or not working. It is required if you want to use ‘-o rhv-upload’.
See also \"OUTPUT TO RHV\" in the virt-v2v(1) manual.")
in
@@ -138,7 +137,7 @@ See also \"OUTPUT TO RHV\" in the virt-v2v(1) manual.")
"--newstyle"; (* use newstyle NBD protocol *)
"--exportname"; "/";
- "python3"; (* use the nbdkit Python 3 plugin *)
+ "python"; (* use the nbdkit Python plugin *)
plugin; (* Python plugin script *)
] in
let args = if verbose () then args @ ["--verbose"] else args in
@@ -154,7 +153,7 @@ object
method precheck () =
error_unless_nbdkit_working ();
- error_unless_nbdkit_python3_working ();
+ error_unless_nbdkit_python_working ();
if have_selinux then
error_unless_nbdkit_compiled_with_selinux ()
@@ -180,7 +179,7 @@ object
with_open_out
json_param_file
(fun chan -> output_string chan (JSON.string_of_doc json_params));
- if run_command [ python3; precheck; json_param_file ] <> 0 then
+ if run_command [ "python"; precheck; json_param_file ] <> 0 then
error (f_"failed server prechecks, see earlier errors");
(* Create an nbdkit instance for each disk and set the
@@ -327,7 +326,7 @@ If the messages above are not sufficient to diagnose the problem then add the
let ovf_file = tmpdir // "vm.ovf" in
with_open_out ovf_file (fun chan -> output_string chan ovf);
- if run_command [ python3; createvm; json_param_file; ovf_file ] <> 0 then
+ if run_command [ "python"; createvm; json_param_file; ovf_file ] <> 0 then
error (f_"failed to create virtual machine, see earlier errors")
end
diff --git a/v2v/rhv-upload-createvm.py b/v2v/rhv-upload-createvm.py
index 612e469..bb23544 100644
--- a/v2v/rhv-upload-createvm.py
+++ b/v2v/rhv-upload-createvm.py
@@ -1,5 +1,6 @@
# -*- python -*-
-# oVirt or RHV upload create VM used by ‘virt-v2v -o rhv-upload’
+# coding: utf-8
+# oVirt or RHV upload create VM used by 'virt-v2v -o rhv-upload'
# Copyright (C) 2018 Red Hat Inc.
#
# This program is free software; you can redistribute it and/or modify
@@ -23,8 +24,8 @@ import ovirtsdk4.types as types
import sys
import time
-from http.client import HTTPSConnection
-from urllib.parse import urlparse
+from httplib import HTTPSConnection
+from urlparse import urlparse
# Parameters are passed in via a JSON doc from the OCaml code.
# Because this Python code ships embedded inside virt-v2v there
@@ -36,8 +37,19 @@ if len(sys.argv) != 3:
raise RuntimeError("incorrect number of parameters")
# Parameters are passed in via a JSON document.
+# https://stackoverflow.com/a/13105359
+def byteify(input):
+ if isinstance(input, dict):
+ return {byteify(key): byteify(value)
+ for key, value in input.iteritems()}
+ elif isinstance(input, list):
+ return [byteify(element) for element in input]
+ elif isinstance(input, unicode):
+ return input.encode('utf-8')
+ else:
+ return input
with open(sys.argv[1], 'r') as fp:
- params = json.load(fp)
+ params = byteify(json.load(fp))
# What is passed in is a password file, read the actual password.
with open(params['output_password'], 'r') as fp:
diff --git a/v2v/rhv-upload-plugin.py b/v2v/rhv-upload-plugin.py
index 5568339..91699bf 100644
--- a/v2v/rhv-upload-plugin.py
+++ b/v2v/rhv-upload-plugin.py
@@ -1,5 +1,6 @@
# -*- python -*-
-# oVirt or RHV upload nbdkit plugin used by ‘virt-v2v -o rhv-upload’
+# coding: utf-8
+# oVirt or RHV upload nbdkit plugin used by 'virt-v2v -o rhv-upload'
# Copyright (C) 2018 Red Hat Inc.
#
# This program is free software; you can redistribute it and/or modify
@@ -16,7 +17,7 @@
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
-import builtins
+from __builtin__ import open as builtin_open
import json
import logging
import ovirtsdk4 as sdk
@@ -25,8 +26,8 @@ import ssl
import sys
import time
-from http.client import HTTPSConnection
-from urllib.parse import urlparse
+from httplib import HTTPSConnection
+from urlparse import urlparse
# Timeout to wait for oVirt disks to change status, or the transfer
# object to finish initializing [seconds].
@@ -35,14 +36,25 @@ timeout = 5*60
# Parameters are passed in via a JSON doc from the OCaml code.
# Because this Python code ships embedded inside virt-v2v there
# is no formal API here.
+# https://stackoverflow.com/a/13105359
+def byteify(input):
+ if isinstance(input, dict):
+ return {byteify(key): byteify(value)
+ for key, value in input.iteritems()}
+ elif isinstance(input, list):
+ return [byteify(element) for element in input]
+ elif isinstance(input, unicode):
+ return input.encode('utf-8')
+ else:
+ return input
params = None
def config(key, value):
global params
if key == "params":
- with builtins.open(value, 'r') as fp:
- params = json.load(fp)
+ with builtin_open(value, 'r') as fp:
+ params = byteify(json.load(fp))
else:
raise RuntimeError("unknown configuration key '%s'" % key)
@@ -56,7 +68,7 @@ def open(readonly):
username = parsed.username or "admin at internal"
# Read the password from file.
- with builtins.open(params['output_password'], 'r') as fp:
+ with builtin_open(params['output_password'], 'r') as fp:
password = fp.read()
password = password.rstrip()
@@ -242,7 +254,7 @@ def close(h):
transfer_service.finalize()
# Write the disk ID file. Only do this on successful completion.
- with builtins.open(params['diskid_file'], 'w') as fp:
+ with builtin_open(params['diskid_file'], 'w') as fp:
fp.write(disk.id)
# Otherwise if we did fail then we should delete the disk.
diff --git a/v2v/rhv-upload-precheck.py b/v2v/rhv-upload-precheck.py
index e3fa651..0c02d2f 100644
--- a/v2v/rhv-upload-precheck.py
+++ b/v2v/rhv-upload-precheck.py
@@ -1,5 +1,6 @@
# -*- python -*-
-# oVirt or RHV pre-upload checks used by ‘virt-v2v -o rhv-upload’
+# coding: utf-8
+# oVirt or RHV pre-upload checks used by 'virt-v2v -o rhv-upload'
# Copyright (C) 2018 Red Hat Inc.
#
# This program is free software; you can redistribute it and/or modify
@@ -23,8 +24,8 @@ import ovirtsdk4.types as types
import sys
import time
-from http.client import HTTPSConnection
-from urllib.parse import urlparse
+from httplib import HTTPSConnection
+from urlparse import urlparse
# Parameters are passed in via a JSON doc from the OCaml code.
# Because this Python code ships embedded inside virt-v2v there
@@ -35,8 +36,19 @@ if len(sys.argv) != 2:
raise RuntimeError("incorrect number of parameters")
# Parameters are passed in via a JSON document.
+# https://stackoverflow.com/a/13105359
+def byteify(input):
+ if isinstance(input, dict):
+ return {byteify(key): byteify(value)
+ for key, value in input.iteritems()}
+ elif isinstance(input, list):
+ return [byteify(element) for element in input]
+ elif isinstance(input, unicode):
+ return input.encode('utf-8')
+ else:
+ return input
with open(sys.argv[1], 'r') as fp:
- params = json.load(fp)
+ params = byteify(json.load(fp))
# What is passed in is a password file, read the actual password.
with open(params['output_password'], 'r') as fp:
@@ -66,7 +78,7 @@ vms = vms_service.list(
)
if len(vms) > 0:
vm = vms[0]
- raise RuntimeError("VM already exists with name ‘%s’, id ‘%s’" %
+ raise RuntimeError("VM already exists with name '%s', id '%s'" %
(params['output_name'], vm.id))
# Otherwise everything is OK, exit with no error.
--
1.8.3.1
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