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-rw-r--r--krebs/3modules/backup.nix8
1 files changed, 6 insertions, 2 deletions
diff --git a/krebs/3modules/backup.nix b/krebs/3modules/backup.nix
index c0b218c15..910324f3c 100644
--- a/krebs/3modules/backup.nix
+++ b/krebs/3modules/backup.nix
@@ -226,10 +226,14 @@ let
# XXX Is one ping enough to determine fastest address?
fastest-address = host: ''
- { ${pkgs.fping}/bin/fping </dev/null -a \
+ { ${pkgs.fping}/bin/fping </dev/null -a -e \
${concatMapStringsSep " " shell.escape
(mapAttrsToList (_: net: head net.aliases) host.nets)} \
- | ${pkgs.coreutils}/bin/head -1; }
+ | ${pkgs.gnused}/bin/sed -r 's/^(\S+) \(([0-9.]+) ms\)$/\2\t\1/' \
+ | ${pkgs.coreutils}/bin/sort -n \
+ | ${pkgs.coreutils}/bin/cut -f2 \
+ | ${pkgs.coreutils}/bin/head -n 1
+ }
'';
in out