File kdump-prepend-IP-address.patch of Package kdump.21349

Date: Wed Jun 14 14:39:15 2017 +0200
From: Petr Tesarik <ptesarik@suse.com>
Subject: Prepend IP address to remote target subdirectory
References: FATE#321844
Upstream: v0.8.17
Git-commit: d8f0f0cb4450776b0765ddb0441a5d5669a78062

Check the target route directly from save_dump and take the preferred
source IP address into the subdirectory name.

Signed-off-by: Petr Tesarik <ptesarik@suse.com>

diff --git a/kdumptool/savedump.cc b/kdumptool/savedump.cc
index 9938b6f..14e66b3 100644
--- a/kdumptool/savedump.cc
+++ b/kdumptool/savedump.cc
@@ -40,6 +40,7 @@
 #include "vmcoreinfo.h"
 #include "identifykernel.h"
 #include "email.h"
+#include "routable.h"
 
 using std::string;
 using std::list;
@@ -114,8 +115,17 @@ void SaveDump::execute()
     std::istringstream iss(config->KDUMP_SAVEDIR.value());
     FilePath elem;
     while (iss >> elem) {
-        RootDirURL url(elem.appendPath(subdir), m_rootdir);
-        urlv.push_back(url);
+        RootDirURL url(elem, m_rootdir);
+        if (url.getProtocol() != URLParser::PROT_FILE) {
+            Routable rt(url.getHostname());
+            if (!rt.check(config->KDUMP_NET_TIMEOUT.value())) {
+                cerr << "WARNING: Dump target not reachable" << endl;
+                elem.appendPath(string("unknown-") + subdir);
+            } else
+                elem.appendPath(rt.prefsrc() + '-' + subdir);
+        } else
+            elem.appendPath(subdir);
+        urlv.push_back(RootDirURL(elem, m_rootdir));
     }
 
     m_transfer = getTransfer(urlv);