Blame SOURCES/0238-vmcore-fix-finding-partitions-by-UUID-and-LABEL.patch

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From 5cdaa8e6a276ad8cb79c3457badbb4f9dda5aa3e Mon Sep 17 00:00:00 2001
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From: Jakub Filak <jfilak@redhat.com>
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Date: Mon, 13 Jun 2016 09:43:21 +0200
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Subject: [PATCH] vmcore: fix finding partitions by UUID and LABEL
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In kdump.conf fs partition can be specified by UUID or LABEL but mtab
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uses only file system node path. Hence, we need to translate the ID to
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its node path.
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Related: rhbz#1147053
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Signed-off-by: Jakub Filak <jfilak@redhat.com>
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---
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 configure.ac                        |  2 ++
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 src/hooks/Makefile.am               |  1 +
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 src/hooks/abrt_harvest_vmcore.py.in | 27 +++++++++++++++++++++++++++
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 3 files changed, 30 insertions(+)
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diff --git a/configure.ac b/configure.ac
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index 330dd9c..20a7f27 100644
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--- a/configure.ac
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+++ b/configure.ac
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@@ -173,6 +173,8 @@ AC_ARG_ENABLE(doxygen-docs,
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     [enable_doxygen_docs=no]
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 )
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+AC_PATH_PROG([BLKID], [BLKID], [/usr/sbin/blkid], [$PATH:/usr/sbin:/sbin])
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+
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 # Doxygen Documentation
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 AC_PATH_PROG(DOXYGEN, doxygen, no)
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diff --git a/src/hooks/Makefile.am b/src/hooks/Makefile.am
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index 9a527f4..216cfc1 100644
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--- a/src/hooks/Makefile.am
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+++ b/src/hooks/Makefile.am
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@@ -92,6 +92,7 @@ abrt-install-ccpp-hook: abrt-install-ccpp-hook.in
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 abrt-harvest-vmcore: abrt_harvest_vmcore.py.in
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 	sed -e s,\@CONF_DIR\@,\$(CONF_DIR)\,g \
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 	    -e s,\@DEFAULT_DUMP_LOCATION\@,$(DEFAULT_DUMP_LOCATION),g \
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+	    -e s,\@BLKID\@,$(BLKID),g \
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 		$< >$@
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 abrt-harvest-pstoreoops: abrt-harvest-pstoreoops.in
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diff --git a/src/hooks/abrt_harvest_vmcore.py.in b/src/hooks/abrt_harvest_vmcore.py.in
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index c6a7e6b..e71e5c9 100644
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--- a/src/hooks/abrt_harvest_vmcore.py.in
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+++ b/src/hooks/abrt_harvest_vmcore.py.in
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@@ -13,6 +13,7 @@ import shutil
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 import time
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 import hashlib
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 import augeas
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+from subprocess import Popen, PIPE
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 import problem
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@@ -37,6 +38,32 @@ def get_mount_point(part_id):
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     part_id - device node, label or uuid
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     """
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+    idtypes = {"UUID=":"-U", "PARTUUID=":"-U", "LABEL=":"-L", "PARTLABEL=":"-L"}
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+
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+    for typ, switch in idtypes.items():
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+        if not part_id.startswith(typ):
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+            continue
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+
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+        idf = part_id[len(typ):]
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+        try:
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+            proc = Popen(["@BLKID@", switch, idf], stdout=PIPE, stderr=PIPE)
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+            out, err = proc.communicate()
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+            if err:
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+                sys.stderr.write("Failed 'blkid {0} {1}': {2}\n"
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+                                 .format(switch, idf, err))
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+                sys.exit(1)
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+            if not out:
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+                sys.stderr.write("No results from 'blkid {0} {1}'\n"
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+                                 .format(switch, idf))
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+                sys.exit(1)
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+
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+            part_id = out.strip()
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+            break
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+        except OSError as ex:
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+            sys.stderr.write("Cannot run 'blkid {0} {1}': {2}\n"
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+                              .format(switch, idf, str(ex)))
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+            sys.exit(1)
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+
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     # look up the identifier in /etc/mtab
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     result = get_augeas("Fstab", "/etc/mtab").get("/files/etc/mtab/*"
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                                  "[spec=\"" + part_id + "\"]/file")
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-- 
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1.8.3.1
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