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Add more debugging by re-running ssh commands that failed verbosely.

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This CL changes remote_ssh to re-run the command verbosely if the
command failed with an SSH error (code 255).

BUG=chromium-os:19198
TEST=Ran it.  Simulated SSH error by closing KVM instance in cros_run_vm_update
while it was intiializing.  Saw re-run verbosely run correctly.

Change-Id: I9f95aac3fb2d00bc7d26b0b9298409d8ce2db594
Reviewed-on: http://gerrit.chromium.org/gerrit/8313
Commit-Ready: Chris Sosa <sosa@chromium.org>
Reviewed-by: Chris Sosa <sosa@chromium.org>
Tested-by: Chris Sosa <sosa@chromium.org>
This commit is contained in:
Chris Sosa 2011-09-26 16:08:14 -07:00
parent 94717e3099
commit faeee5f47c
1 changed files with 21 additions and 1 deletions
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22
remote_access.sh
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@ -30,13 +30,33 @@ function remote_rsync_from() {
--no-R --files-from=$1 root@${FLAGS_remote}:/ $2
}
function remote_sh() {
function _verbose_remote_sh() {
REMOTE_OUT=$(ssh -vp ${FLAGS_ssh_port} -o StrictHostKeyChecking=no \
-o UserKnownHostsFile=$TMP_KNOWN_HOSTS -o ConnectTimeout=120 \
-i $TMP_PRIVATE_KEY root@$FLAGS_remote "$@")
return ${PIPESTATUS[0]}
}
function _non_verbose_remote_sh() {
REMOTE_OUT=$(ssh -p ${FLAGS_ssh_port} -o StrictHostKeyChecking=no \
-o UserKnownHostsFile=$TMP_KNOWN_HOSTS -o ConnectTimeout=120 \
-i $TMP_PRIVATE_KEY root@$FLAGS_remote "$@")
return ${PIPESTATUS[0]}
}
# Wrapper for ssh that runs the commmand given by the args on the remote host
# If an ssh error occurs, re-runs the ssh command with verbose flag set.
function remote_sh() {
local ssh_status=0
_non_verbose_remote_sh "$@" || ssh_status=$?
# 255 indicates an ssh error.
if [ ${ssh_status} -eq 255 ]; then
_verbose_remote_sh "$@"
else
return ${ssh_status}
fi
}
function remote_sh_raw() {
ssh -p ${FLAGS_ssh_port} -o StrictHostKeyChecking=no \
-o UserKnownHostsFile=$TMP_KNOWN_HOSTS -o ConnectTimeout=120 \