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nixos/network-interfaces: Bond interface configuration must wait for the bond device service

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Also fixes some formatting and removal of slave devices.
This commit is contained in:
William A. Kennington III 2014-10-07 23:06:35 -07:00
parent 71605beba1
commit 362699376a
1 changed files with 12 additions and 11 deletions
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23
nixos/modules/tasks/network-interfaces.nix
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@ -773,29 +773,28 @@ in
wantedBy = [ "network.target" (subsystemDevice n) ];
bindsTo = deps;
after = deps;
before = [ "${n}-cfg.service" ];
serviceConfig.Type = "oneshot";
serviceConfig.RemainAfterExit = true;
path = [ pkgs.ifenslave pkgs.iproute ];
script = ''
# Remove Dead Interfaces
ip link set "${n}" down >/dev/null 2>&1 || true
ifenslave -d "${n}" >/dev/null 2>&1 || true
ip link del "${n}" >/dev/null 2>&1 || true
ip link add name "${n}" type bond
# !!! There must be a better way to wait for the interface
while [ ! -d /sys/class/net/${n} ]; do sleep 0.1; done;
# Ensure the link is down so that we can set options
ip link set "${n}" down
# Set the miimon and mode options
${optionalString (v.miimon != null)
"echo ${toString v.miimon} > /sys/class/net/${n}/bonding/miimon"}
"echo \"${toString v.miimon}\" >/sys/class/net/${n}/bonding/miimon"}
${optionalString (v.mode != null)
"echo \"${v.mode}\" > /sys/class/net/${n}/bonding/mode"}
"echo \"${v.mode}\" >/sys/class/net/${n}/bonding/mode"}
${optionalString (v.lacp_rate != null)
"echo \"${v.lacp_rate}\" > /sys/class/net/${n}/bonding/lacp_rate"}
"echo \"${v.lacp_rate}\" >/sys/class/net/${n}/bonding/lacp_rate"}
${optionalString (v.xmit_hash_policy != null)
"echo \"${v.xmit_hash_policy}\" > /sys/class/net/${n}/bonding/xmit_hash_policy"}
"echo \"${v.xmit_hash_policy}\" >/sys/class/net/${n}/bonding/xmit_hash_policy"}
# Bring up the bond and enslave the specified interfaces
ip link set "${n}" up
@ -804,8 +803,10 @@ in
'')}
'';
postStop = ''
ip link set "${n}" down >dev/null 2>&1 || true
ifenslave -d "${n}" >/dev/null 2>&1 || true
${flip concatMapStrings v.interfaces (i: ''
ifenslave -d "${n}" "${i}" >/dev/null 2>&1 || true
'')}
ip link set "${n}" down >/dev/null 2>&1 || true
ip link del "${n}" >/dev/null 2>&1 || true
'';
});