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|
#!/bin/bash
# This enhances the standard docker entrypoint script by running cql scripts
# and shell scripts present in /docker-entrypoint-initdb.d. The public native
# transport port is not exposed until all the scripts have been completed.
if [[ $PRIVATE_PORT == "" ]]
then
PRIVATE_PORT=19042
fi
if [[ $START_TIMEOUT_SECS == "" ]]
then
START_TIMEOUT_SECS=300
fi
function getPort
{
grep "^native_transport_port:" /etc/cassandra/cassandra.yaml | cut -d: -f2 | tr -d '\t '
}
function setPort
{
local port=$1
sed -i "s/^native_transport_port:.*/native_transport_port: $port/" /etc/cassandra/cassandra.yaml
}
function usage
{
echo "usage: $(basename $0) [-sX]"
}
sleep=0
args=
while [[ $# != 0 ]]
do
case "$1" in
-s*)
sleep=${1:2}
shift 1
;;
*)
usage && exit 1
;;
esac
done
if [[ $# != 0 ]]
then
usage && exit 1
fi
if [[ $sleep != 0 ]]
then
echo "Delaying startup by $sleep seconds"
sleep $sleep
fi
# Note: this does not start up cassandra
echo "Running docker-entrypoint.sh to configure cassandra"
/docker-entrypoint.sh true || exit 1
echo "Enabling password authentication"
sed -i 's/^authenticator: AllowAllAuthenticator/authenticator: PasswordAuthenticator/g' /etc/cassandra/cassandra.yaml || exit 1
if [[ $(/bin/ls -1 /docker-entrypoint-initdb.d 2>/dev/null | wc -l) == 0 ]]
then
echo "Starting cassandra"
else
# Get the public native transport port from cassandra.yaml
public_port=$(getPort)
if [[ $public_port == "" ]]
then
echo "ERROR: No native_transport_port in /etc/cassandra/cassandra.yaml"
exit 1
fi
echo "Starting cassandra on port $PRIVATE_PORT"
setPort $PRIVATE_PORT || exit 1
/docker-entrypoint.sh cassandra
if [[ $? != 0 ]]
then
setPort $public_port
exit 1
fi
tries=$START_TIMEOUT_SECS
while true
do
if echo "describe keyspaces;" | cqlsh -u cassandra -p cassandra 127.0.0.1 $PRIVATE_PORT >/dev/null 2>&1
then
break
fi
tries=$((tries-1))
if [[ $tries == 0 ]]
then
setPort $public_port
echo "Timed out waiting for cassandra to start on port $PRIVATE_PORT"
exit 1
fi
sleep 1
done
echo "Cassandra is started on port $PRIVATE_PORT"
for file in $(/bin/ls -1 /docker-entrypoint-initdb.d 2>/dev/null)
do
case "$file" in
*.sh)
echo "Running $file"
source "/docker-entrypoint-initdb.d/$file"
;;
*.cql)
echo "Running $file"
cqlsh -u cassandra -p cassandra -f "/docker-entrypoint-initdb.d/$file" 127.0.0.1 $PRIVATE_PORT
;;
*)
echo "Ignoring $file"
esac
done
sleep 5
echo "Restarting cassandra on port $public_port"
setPort $public_port
pkill java
if [[ $? != 0 ]]
then
echo "Failed to restart cassandra (kill failed)"
exit 1
fi
sleep 5
fi
# NOTE: this starts cassandra in the foreground
/docker-entrypoint.sh cassandra -f
|
