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| author | Sam Betts <sam@code-smash.net> | 2017-12-18 15:13:48 +0000 |
|---|---|---|
| committer | Sam Betts <sam@code-smash.net> | 2018-10-30 10:36:26 +0000 |
| commit | 55ac08ab8567df00a7cd91c1d471cd193a926f28 (patch) | |
| tree | 33de1c642228cc0834152e7c53e4c9dd48420fdf /devstack | |
| parent | 7e47264ece751939aab9d54306ea61a2d02b36e9 (diff) | |
| download | ironic-55ac08ab8567df00a7cd91c1d471cd193a926f28.tar.gz | |
[devstack] Allow setting TFTP max blocksize
Configuring the block size correctly for TFTPd prevents fragmentation of
the TFTP UDP packets, which can significantly slow down or even prevent
servers from booting correctly with PXE.
Change-Id: Ic00bbcfb3137edb58479c019edb3fcdc4ef55d69
Diffstat (limited to 'devstack')
| -rw-r--r-- | devstack/lib/ironic | 2 | ||||
| -rw-r--r-- | devstack/tools/ironic/templates/tftpd-xinetd.template | 2 |
2 files changed, 3 insertions, 1 deletions
diff --git a/devstack/lib/ironic b/devstack/lib/ironic index d559f3a36..b69ad39e8 100644 --- a/devstack/lib/ironic +++ b/devstack/lib/ironic @@ -128,6 +128,7 @@ IRONIC_TEMPLATES_DIR=${IRONIC_TEMPLATES_DIR:-$IRONIC_DEVSTACK_DIR/tools/ironic/t IRONIC_BAREMETAL_BASIC_OPS=$(trueorfalse False IRONIC_BAREMETAL_BASIC_OPS) IRONIC_TFTPBOOT_DIR=${IRONIC_TFTPBOOT_DIR:-$IRONIC_DATA_DIR/tftpboot} IRONIC_TFTPSERVER_IP=${IRONIC_TFTPSERVER_IP:-$HOST_IP} +IRONIC_TFTP_BLOCKSIZE=${IRONIC_TFTP_BLOCKSIZE:-$((PUBLIC_BRIDGE_MTU-50))} IRONIC_VM_COUNT=${IRONIC_VM_COUNT:-1} IRONIC_VM_SPECS_CPU=${IRONIC_VM_SPECS_CPU:-1} IRONIC_VM_SPECS_RAM=${IRONIC_VM_SPECS_RAM:-1280} @@ -2143,6 +2144,7 @@ function configure_tftpd { [ -f /etc/init/tftpd-hpa.conf ] && echo "manual" | sudo tee /etc/init/tftpd-hpa.override sudo cp $IRONIC_TEMPLATES_DIR/tftpd-xinetd.template /etc/xinetd.d/tftp sudo sed -e "s|%TFTPBOOT_DIR%|$IRONIC_TFTPBOOT_DIR|g" -i /etc/xinetd.d/tftp + sudo sed -e "s|%MAX_BLOCKSIZE%|$IRONIC_TFTP_BLOCKSIZE|g" -i /etc/xinetd.d/tftp # setup tftp file mapping to satisfy requests at the root (booting) and # /tftpboot/ sub-dir (as per deploy-ironic elements) diff --git a/devstack/tools/ironic/templates/tftpd-xinetd.template b/devstack/tools/ironic/templates/tftpd-xinetd.template index 5f3d03f3b..ec84b0588 100644 --- a/devstack/tools/ironic/templates/tftpd-xinetd.template +++ b/devstack/tools/ironic/templates/tftpd-xinetd.template @@ -6,7 +6,7 @@ service tftp wait = yes user = root server = /usr/sbin/in.tftpd - server_args = -v -v -v -v -v --map-file %TFTPBOOT_DIR%/map-file %TFTPBOOT_DIR% + server_args = -v -v -v -v -v --blocksize %MAX_BLOCKSIZE% --map-file %TFTPBOOT_DIR%/map-file %TFTPBOOT_DIR% disable = no # This is a workaround for Fedora, where TFTP will listen only on # IPv6 endpoint, if IPv4 flag is not used. |