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From 6a89d52b408885a8151939798ab5dfb57fac3fda Mon Sep 17 00:00:00 2001
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From: Pino Toscano <ptoscano@redhat.com>
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Date: Fri, 12 Apr 2019 17:28:12 +0200
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Subject: [PATCH] v2v: warn when the guest has direct network interfaces
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(RHBZ#1518539)
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virt-v2v obviously cannot convert this kind of devices, since they are
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specific to the host of the hypervisor. Thus, emit a warning about the
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presence of direct network interfaces, so at least this can be noticed
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when converting a guest.
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(cherry picked from commit 1629ec6a5639cf5e226e80bcee749ae8851b1fae)
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---
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v2v/parse_libvirt_xml.ml | 18 ++++++++++++++++++
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1 file changed, 18 insertions(+)
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diff --git a/v2v/parse_libvirt_xml.ml b/v2v/parse_libvirt_xml.ml
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index d5d78d367..b9970cee8 100644
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--- a/v2v/parse_libvirt_xml.ml
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+++ b/v2v/parse_libvirt_xml.ml
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@@ -492,6 +492,24 @@ let parse_libvirt_xml ?conn xml =
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)
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in
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+ (* Check for direct attachments to physical network interfaces.
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+ * (RHBZ#1518539)
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+ *)
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+ let () =
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+ let obj = Xml.xpath_eval_expression xpathctx "/domain/devices/interface[@type='direct']" in
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+ let nr_nodes = Xml.xpathobj_nr_nodes obj in
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+ if nr_nodes > 0 then (
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+ (* Sadly fn_ in ocaml-gettext seems broken, and always returns the
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+ * singular string no matter what. Work around this by using a simple
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+ * string with sn_ (which works), and outputting it as a whole.
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+ *)
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+ let msg = sn_ "this guest has a direct network interface which will be ignored"
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+ "this guest has direct network interfaces which will be ignored"
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+ nr_nodes in
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+ warning "%s" msg
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+ )
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+ in
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+
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({
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s_hypervisor = hypervisor;
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s_name = name; s_orig_name = name;
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--
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2.21.0
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