[Skiboot] [PATCH v2] boot_test.sh: Add SMC BMC support
Cyril Bur
cyrilbur at gmail.com
Tue Jun 6 10:52:45 AEST 2017
On Mon, 2017-06-05 at 15:02 +1000, Stewart Smith wrote:
> Your BMC needs a special debug image flashed to use this, the exact
> image and methods aren't something I can publish here, but if you work
> for IBM or SMC you can find out from the right sources.
>
> A few things are needed to move around to be able to flash to a SMC BMC.
>
> For a start, the SSH daemon will only accept connections after a special
> incantation (which I also can't share), but you should put that in the
> ~/.skiboot_boot_tests file along with some other default login information
> we don't publicise too broadly (because Security Through Obscurity is
> *obviously* a good idea....)
>
> We also can't just directly "ssh /bin/true", we need an expect script,
> and we can't scp, but we can anonymous rsync!
>
> You also need a pflash binary to copy over.
>
> Signed-off-by: Stewart Smith <stewart at linux.vnet.ibm.com>
Reviewed-by: Cyril Bur <cyril.bur at au1.ibm.com>
> ---
> Changes in v2:
> - up the timeout in expect script, allows flashing of full pnor
> - use mboxctl
> ---
> external/boot-tests/bmc_support.sh | 10 +++
> external/boot-tests/boot_test.sh | 7 --
> external/boot-tests/fsp_support.sh | 11 ++++
> external/boot-tests/smc_support.sh | 128 +++++++++++++++++++++++++++++++++++++
> 4 files changed, 149 insertions(+), 7 deletions(-)
> create mode 100644 external/boot-tests/smc_support.sh
>
> diff --git a/external/boot-tests/bmc_support.sh b/external/boot-tests/bmc_support.sh
> index a61df25..82b9e8e 100644
> --- a/external/boot-tests/bmc_support.sh
> +++ b/external/boot-tests/bmc_support.sh
> @@ -19,6 +19,10 @@ STRIP_CONTROL=0
> # How do we SSH/SCP in?
> SSHCMD="sshpass -e ssh -l $SSHUSER -o LogLevel=quiet -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no $target";
>
> +function sshcmd {
> + $SSHCMD $*;
> +}
> +
> # remotecp file target target_location
> function remotecp {
> sshpass -e ssh -o User=$SSHUSER -o LogLevel=quiet -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no $2 dd of=$3 < $1;
> @@ -132,6 +136,12 @@ function boot_firmware {
> }
>
> function machine_sanity_test {
> + sshcmd true;
> + if [ $? -ne 0 ]; then
> + echo "$target: Failed to SSH to $target..."
> + echo "$target: Command was: $SSHCMD true"
> + error "Try connecting manually to diagnose the issue."
> + fi
> # No further sanity tests for BMC machines.
> true
> }
> diff --git a/external/boot-tests/boot_test.sh b/external/boot-tests/boot_test.sh
> index 4b73914..5b3fc15 100755
> --- a/external/boot-tests/boot_test.sh
> +++ b/external/boot-tests/boot_test.sh
> @@ -104,13 +104,6 @@ function boot_test {
> }
>
> function sanity_test {
> - $SSHCMD true;
> - if [ $? -ne 0 ]; then
> - echo "$target: Failed to SSH to $target..."
> - echo "$target: Command was: $SSHCMD true"
> - error "Try connecting manually to diagnose the issue."
> - fi
> -
> $IPMI_COMMAND chassis power status > /dev/null;
> if [ $? -ne 0 ]; then
> echo "$target: Failed to connect to $target with IPMI..."
> diff --git a/external/boot-tests/fsp_support.sh b/external/boot-tests/fsp_support.sh
> index c27f307..fc0d66d 100644
> --- a/external/boot-tests/fsp_support.sh
> +++ b/external/boot-tests/fsp_support.sh
> @@ -24,6 +24,10 @@ REMOTECPCMD="sshpass -e scp -o User=$SSHUSER -o LogLevel=quiet -o UserKnownHosts
>
> GET_PROFILE='. /etc/profile; test -e /home/dev/.profile && . /home/dev/.profile';
>
> +function sshcmd {
> + $SSHCMD $*;
> +}
> +
> function is_off {
> state=$($SSHCMD "$GET_PROFILE; smgr mfgState");
> return $([ "$state" = "standby" ]);
> @@ -153,6 +157,13 @@ function boot_firmware {
> }
>
> function machine_sanity_test {
> + sshcmd true;
> + if [ $? -ne 0 ]; then
> + echo "$target: Failed to SSH to $target..."
> + echo "$target: Command was: $SSHCMD true"
> + error "Try connecting manually to diagnose the issue."
> + fi
> +
> $SSHCMD "$GET_PROFILE; test -d /nfs/bin"
> if [ $? -ne 0 ]; then
> echo "$target: Failed to read /nfs/bin"
> diff --git a/external/boot-tests/smc_support.sh b/external/boot-tests/smc_support.sh
> new file mode 100644
> index 0000000..5e2a834
> --- /dev/null
> +++ b/external/boot-tests/smc_support.sh
> @@ -0,0 +1,128 @@
> +#Number of times to sleep
> +BOOT_TIMEOUT="5";
> +
> +#Username/password for ssh to BMC machines
> +SSHUSER=${SSHUSER:-ADMIN};
> +export SSHPASS=${SSHPASS:-ADMIN};
> +
> +#Username/password for IPMI
> +IPMI_AUTH="-U ${IPMI_USER:-ADMIN} -P ${IPMI_PASS:-ADMIN}"
> +PFLASH_TO_COPY=${PFLASH_TO_COPY:-}
> +PFLASH_BINARY=/tmp/pflash
> +
> +# Strip control characters from IPMI before grepping?
> +STRIP_CONTROL=0
> +
> +# How do we SSH/SCP in?
> +SSHCMD="sshpass -e ssh -l $SSHUSER -o LogLevel=quiet -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no $target";
> +
> +function sshcmd {
> + # because BMC:
> + $IPMI_COMMAND $SMC_PRESSHIPMICMD;
> + expect -c "spawn $SSHCMD" -c "set timeout 600" -c "expect \"#\" { send \"$*\\r\" }" -c 'expect "#" { send "exit\r" }' -c 'wait';
> +}
> +
> +# remotecp file target target_location
> +function remotecp {
> + rsync -av $1 rsync://$2/files/$3
> +}
> +
> +function is_off {
> + return $([ "$($IPMI_COMMAND chassis power status)" = "Chassis Power is off" ]);
> +}
> +
> +function poweroff {
> + $IPMI_COMMAND chassis power off
> + # give it some time
> + sleep 10
> +}
> +
> +function force_primary_side {
> + true
> +}
> +
> +function flash {
> + if [ ! -z "$PFLASH_TO_COPY" ]; then
> + remotecp $PFLASH_TO_COPY $target pflash
> + sshcmd chmod +x /tmp/rsync_file/pflash
> + PFLASH_BINARY=/tmp/rsync_file/pflash
> + fi
> + if [ ! -z "$PNOR" ]; then
> + remotecp $PNOR $target image.pnor;
> + fi
> + if [ "${LID[0]}" != "" ]; then
> + remotecp ${LID[0]} $target skiboot.lid;
> + fi
> + if [ "${LID[1]}" != "" ]; then
> + remotecp ${LID[1]} $target bootkernel
> + fi
> + if [ "${arbitrary_lid[1]}" != "" ]; then
> + remotecp ${arbitrary_lid[1]} $target $(basename ${arbitrary_lid[1]})
> + fi
> +
> + if [ "$?" -ne "0" ] ; then
> + error "Couldn't copy firmware image";
> + fi
> +
I noticed that the logic is the same in bmc_support.sh but I'll mention
it here anyway - that $? test will only trip if the last transfer
fails. Since it needs fixing in bmc_support.sh anyway... *shrugs*
> + # flash it
> + if [ ! -z "$PNOR" ]; then
> + msg "Flashing full PNOR"
> + sshcmd "$PFLASH_BINARY -E -f -p /tmp/rsync_file/image.pnor"
> + if [ "$?" -ne "0" ] ; then
> + error "An unexpected pflash error has occurred";
> + fi
> + msg "Removing /tmp/rsync_file/image.pnor"
> + sshcmd "rm /tmp/rsync_file/image.pnor"
> + fi
> +
> + if [ ! -z "${LID[0]}" ] ; then
> + msg "Flashing PAYLOAD PNOR partition"
> + sshcmd "$PFLASH_BINARY -e -f -P PAYLOAD -p /tmp/rsync_file/skiboot.lid"
> + if [ "$?" -ne "0" ] ; then
> + error "An unexpected pflash error has occurred";
> + fi
> + msg "Removing /tmp/rsync_file/skiboot.lid"
> + sshcmd "rm /tmp/skiboot.lid"
> + fi
> +
> + if [ ! -z "${LID[1]}" ] ; then
> + msg "Flashing BOOTKERNEL PNOR partition"
> + sshcmd "$PFLASH_BINARY -e -f -P BOOTKERNEL -p /tmp/rsync_file/bootkernel"
> + if [ "$?" -ne "0" ] ; then
> + error "An unexpected pflash error has occurred";
> + fi
> + msg "Removing /tmp/rsync_file/bootkernel"
> + sshcmd "rm /tmp/rsync_file/bootkernel"
> + fi
> +
> + if [ ! -z "${arbitrary_lid[0]}" -a ! -z "${arbitrary_lid[1]}" ] ; then
> + msg "Flashing ${arbitrary_lid[0]} PNOR partition"
> + sshcmd "$PFLASH_BINARY -e -f -P ${arbitrary_lid[0]} -p /tmp/rsync_file/$(basename ${arbitrary_lid[1]})"
> + if [ "$?" -ne "0" ] ; then
> + error "An unexpected pflash error has occurred";
> + fi
> + msg "Removing /tmp/rsync_file/$(basename ${arbitrary_lid[1]})"
> + sshcmd "rm /tmp/rsync_file/$(basename ${arbitrary_lid[1]})"
> + fi
> +
> + msg "Clearing mboxd caches..."
> + sshcmd "/bin/mboxctl --clear-cache"
> +}
> +
> +function boot_firmware {
> + $IPMI_COMMAND chassis power on > /dev/null;
> + i=0;
> + while [ "$($IPMI_COMMAND chassis power status)" = "Chassis Power is off" -a \( "$i" -lt "$BOOT_TIMEOUT" \) ] ; do
> + msg -n ".";
> + sleep $BOOT_SLEEP_PERIOD;
> + i=$(expr $i + 1);
> + done
> + if [ "$i" -eq "$BOOT_TIMEOUT" ] ; then
> + error "Couldn't power on $target";
> + fi
> +}
> +
> +function machine_sanity_test {
> + # No further sanity tests for BMC machines.
> + true
> +}
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