56 lines
2.4 KiB
Diff
56 lines
2.4 KiB
Diff
From 53282d1e7f34724c6be7704ec56324c507894397 Mon Sep 17 00:00:00 2001
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Message-Id: <53282d1e7f34724c6be7704ec56324c507894397@dist-git>
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From: Laine Stump <laine@laine.org>
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Date: Tue, 30 Jul 2019 15:30:50 +0200
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Subject: [PATCH] util: suppress unimportant ovs-vsctl errors when getting
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interface stats
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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commit edaf13565 modified the stats retrieval for OVS interfaces to
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not fail when one of the fields was unrecognized by the ovs-vsctl
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command, but ovs-vsctl was still returning an error, and libvirt was
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cluttering the logs with these inconsequential error messages.
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This patch modifies the GET_STAT macro to add "--if-exists" to the
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ovs-vsctl command, which causes it to return an empty string (and exit
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with success) if the requested statistic isn't in its database, thus
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eliminating the ugly error messages from the log.
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Resolves: https://bugzilla.redhat.com/1683175
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Signed-off-by: Laine Stump <laine@laine.org>
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(cherry picked from commit 3f7cba3f5ea1731b9028b89b671cbd7e7d5e0421)
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Prerequisite of: https://bugzilla.redhat.com/show_bug.cgi?id=1721434
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Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
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Message-Id: <e0309b32467a30a8a9be8371ef8cbba1713d662c.1564493409.git.mprivozn@redhat.com>
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Reviewed-by: Ján Tomko <jtomko@redhat.com>
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---
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src/util/virnetdevopenvswitch.c | 6 +++---
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1 file changed, 3 insertions(+), 3 deletions(-)
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diff --git a/src/util/virnetdevopenvswitch.c b/src/util/virnetdevopenvswitch.c
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index 2f5c7ac789..cb403aaf2e 100644
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--- a/src/util/virnetdevopenvswitch.c
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+++ b/src/util/virnetdevopenvswitch.c
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@@ -342,10 +342,10 @@ virNetDevOpenvswitchInterfaceStats(const char *ifname,
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virCommandFree(cmd); \
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cmd = virCommandNew(OVSVSCTL); \
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virNetDevOpenvswitchAddTimeout(cmd); \
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- virCommandAddArgList(cmd, "get", "Interface", ifname, \
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- "statistics:" name, NULL); \
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+ virCommandAddArgList(cmd, "--if-exists", "get", "Interface", \
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+ ifname, "statistics:" name, NULL); \
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virCommandSetOutputBuffer(cmd, &output); \
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- if (virCommandRun(cmd, NULL) < 0) { \
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+ if (virCommandRun(cmd, NULL) < 0 || !output || !*output || *output == '\n') { \
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stats->member = -1; \
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} else { \
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if (virStrToLong_ll(output, &tmp, 10, &stats->member) < 0 || \
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--
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2.22.0
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