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#!/bin/sh
set -e
WAITLOOPS=5
SLEEPSEC=1
curl_put()
{
RET=$(/usr/bin/curl -s -w '%{http_code}' -X PUT --data-binary @$1 --unix-socket /var/run/control.unit.sock http://localhost/$2)
RET_BODY=$(echo $RET | /bin/sed '$ s/...$//')
RET_STATUS=$(echo $RET | /usr/bin/tail -c 4)
if [ "$RET_STATUS" -ne "200" ]; then
echo "$0: Error: HTTP response status code is '$RET_STATUS'"
echo "$RET_BODY"
return 1
else
echo "$0: OK: HTTP response status code is '$RET_STATUS'"
echo "$RET_BODY"
fi
return 0
}
if [ "$1" = "unitd" ] || [ "$1" = "unitd-debug" ]; then
if /usr/bin/find "/var/lib/unit/" -mindepth 1 -print -quit 2>/dev/null | /bin/grep -q .; then
echo "$0: /var/lib/unit/ is not empty, skipping initial configuration..."
else
if /usr/bin/find "/docker-entrypoint.d/" -mindepth 1 -print -quit 2>/dev/null | /bin/grep -q .; then
echo "$0: /docker-entrypoint.d/ is not empty, launching Unit daemon to perform initial configuration..."
/usr/sbin/$1 --control unix:/var/run/control.unit.sock
while [ ! -S /var/run/control.unit.sock ]; do echo "$0: Waiting for control socket to be created..."; /bin/sleep 0.1; done
# even when the control socket exists, it does not mean unit has finished initialisation
# this curl call will get a reply once unit is fully launched
/usr/bin/curl -s -X GET --unix-socket /var/run/control.unit.sock http://localhost/
echo "$0: Looking for certificate bundles in /docker-entrypoint.d/..."
for f in $(/usr/bin/find /docker-entrypoint.d/ -type f -name "*.pem"); do
echo "$0: Uploading certificates bundle: $f"
curl_put $f "certificates/$(basename $f .pem)"
done
echo "$0: Looking for configuration snippets in /docker-entrypoint.d/..."
for f in $(/usr/bin/find /docker-entrypoint.d/ -type f -name "*.json"); do
echo "$0: Applying configuration $f";
curl_put $f "config"
done
echo "$0: Looking for shell scripts in /docker-entrypoint.d/..."
for f in $(/usr/bin/find /docker-entrypoint.d/ -type f -name "*.sh"); do
echo "$0: Launching $f";
"$f"
done
# warn on filetypes we don't know what to do with
for f in $(/usr/bin/find /docker-entrypoint.d/ -type f -not -name "*.sh" -not -name "*.json" -not -name "*.pem"); do
echo "$0: Ignoring $f";
done
echo "$0: Stopping Unit daemon after initial configuration..."
kill -TERM $(/bin/cat /var/run/unit.pid)
for i in $(/usr/bin/seq $WAITLOOPS); do
if [ -S /var/run/control.unit.sock ]; then
echo "$0 Waiting for control socket to be removed..."
/bin/sleep $SLEEPSEC
else
break
fi
done
if [ -S /var/run/control.unit.sock ]; then
kill -KILL $(/bin/cat /var/run/unit.pid)
rm -f /var/run/control.unit.sock
fi
echo
echo "$0: Unit initial configuration complete; ready for start up..."
echo
else
echo "$0: /docker-entrypoint.d/ is empty, skipping initial configuration..."
fi
fi
fi
exec "$@"
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