Temporary debugging for SOS gathering

This patch adds a `tee` command to the download and decompression pipe
in the gather_sos script. By writing the output of cat and the input of
tar into a file we can see what it got on failure.

collection-scripts/gather_sos

@@ -91,13 +91,14 @@ gather_node_sos () {
     echo "Retrieving SOS Report for ${node}"
     mkdir "${SOS_PATH_NODES}/sosreport-$node"
     # Add "--loglevel 6" to help debug in case there's a failure
-    oc debug --loglevel 6 "node/$node" -- cat "/host${TMPDIR}/*.tar.xz" | tar --one-top-level="${SOS_PATH_NODES}/sosreport-$node" --strip-components=1 --exclude='*/dev/null' -Jxf -
+    oc debug --loglevel 6 "node/$node" -- cat "/host${TMPDIR}/*.tar.xz" | tee "${SOS_PATH_NODES}/sosreport-$node.tar.xz" | tar --one-top-level="${SOS_PATH_NODES}/sosreport-$node" --strip-components=1 --exclude='*/dev/null' -Jxf -
 
     # shellcheck disable=SC2181
     if [ $? -ne 0 ]; then
         echo "Failed to download and decompress sosreport-$node.tar.xz not deleting file"
         return 1
     fi
+    rm "${SOS_PATH_NODES}/sosreport-$node.tar.xz"
 
     # Ensure write access to the sos reports directories so must-gather rsync doesn't fail
     chmod +w -R "${SOS_PATH_NODES}/sosreport-$node/"