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Allow max retries on socket connect for buildctl

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Signed-off-by: Jonathan Azoff <jon@azof.fr>
This commit is contained in:
Jonathan Azoff
2020-05-15 00:20:39 -07:00
committed by Jonathan Azoff
parent 61dcb101c9
commit f592be2bbc
1 changed files with 24 additions and 23 deletions
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47
examples/buildctl-daemonless/buildctl-daemonless.sh
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@@ -9,6 +9,7 @@
set -eu
: ${BUILDCTL=buildctl}
: ${BUILDCTL_CONNECT_RETRIES_MAX=10}
: ${BUILDKITD=buildkitd}
: ${BUILDKITD_FLAGS=}
: ${ROOTLESSKIT=rootlesskit}
@@ -21,34 +22,34 @@ tmp=$(mktemp -d /tmp/buildctl-daemonless.XXXXXX)
trap "kill \$(cat $tmp/pid); rm -rf $tmp" EXIT
startBuildkitd() {
addr=
helper=
if [ $(id -u) = 0 ]; then
addr=unix:///run/buildkit/buildkitd.sock
else
addr=unix://$XDG_RUNTIME_DIR/buildkit/buildkitd.sock
helper=$ROOTLESSKIT
fi
$helper $BUILDKITD $BUILDKITD_FLAGS --addr=$addr >$tmp/log 2>&1 &
pid=$!
echo $pid >$tmp/pid
echo $addr >$tmp/addr
addr=
helper=
if [ $(id -u) = 0 ]; then
addr=unix:///run/buildkit/buildkitd.sock
else
addr=unix://$XDG_RUNTIME_DIR/buildkit/buildkitd.sock
helper=$ROOTLESSKIT
fi
$helper $BUILDKITD $BUILDKITD_FLAGS --addr=$addr >$tmp/log 2>&1 &
pid=$!
echo $pid >$tmp/pid
echo $addr >$tmp/addr
}
# buildkitd supports NOTIFY_SOCKET but as far as we know, there is no easy way
# to wait for NOTIFY_SOCKET activation using busybox-builtin commands...
waitForBuildkitd() {
addr=$(cat $tmp/addr)
try=0
max=10
until $BUILDCTL --addr=$addr debug workers >/dev/null 2>&1; do
if [ $try -gt $max ]; then
echo >&2 "could not connect to $addr after $max trials"
exit 1
fi
sleep $(awk "BEGIN{print (100 + $try * 20) * 0.001}")
try=$(expr $try + 1)
done
addr=$(cat $tmp/addr)
try=0
max=$BUILDCTL_CONNECT_RETRIES_MAX
until $BUILDCTL --addr=$addr debug workers >/dev/null 2>&1; do
if [ $try -gt $max ]; then
echo >&2 "could not connect to $addr after $max trials"
exit 1
fi
sleep $(awk "BEGIN{print (100 + $try * 20) * 0.001}")
try=$(expr $try + 1)
done
}
startBuildkitd