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author | 2019-05-03 06:50:10 +0000 | |
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committer | 2019-05-03 08:36:33 +0000 | |
commit | 8b20f77ac9cb60b7287bc10a0f25b04da17b7b24 (patch) | |
tree | ddb6c865abe183fcb78bb6a9dbbb00b9e506a7c1 /kubernetes/common/cassandra/resources/config/docker-entrypoint.sh | |
parent | 96080d06124ab60ce9642a840e8b9b9ca15b2534 (diff) |
Common Cassandra doesn't support user authentication
Change-Id: I337aaf258b1a3716d97e31ea3f53014738f3db55
Issue-ID: OOM-1835
Signed-off-by: mahendrr <mahendra.raghuwanshi@amdocs.com>
Diffstat (limited to 'kubernetes/common/cassandra/resources/config/docker-entrypoint.sh')
-rw-r--r-- | kubernetes/common/cassandra/resources/config/docker-entrypoint.sh | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/kubernetes/common/cassandra/resources/config/docker-entrypoint.sh b/kubernetes/common/cassandra/resources/config/docker-entrypoint.sh new file mode 100644 index 0000000000..5b652228a6 --- /dev/null +++ b/kubernetes/common/cassandra/resources/config/docker-entrypoint.sh @@ -0,0 +1,92 @@ +#!/bin/bash +set -e + +# first arg is `-f` or `--some-option` +# or there are no args +if [ "$#" -eq 0 ] || [ "${1#-}" != "$1" ]; then + set -- cassandra -f "$@" +fi + +# allow the container to be started with `--user` +if [ "$1" = 'cassandra' -a "$(id -u)" = '0' ]; then + find /var/lib/cassandra /var/log/cassandra "$CASSANDRA_CONFIG" \ + \! -user cassandra -exec chown cassandra '{}' + + exec gosu cassandra "$BASH_SOURCE" "$@" +fi + +_ip_address() { + # scrape the first non-localhost IP address of the container + # in Swarm Mode, we often get two IPs -- the container IP, and the (shared) VIP, and the container IP should always be first + ip address | awk ' + $1 == "inet" && $NF != "lo" { + gsub(/\/.+$/, "", $2) + print $2 + exit + } + ' +} + +# "sed -i", but without "mv" (which doesn't work on a bind-mounted file, for example) +_sed-in-place() { + local filename="$1"; shift + local tempFile + tempFile="$(mktemp)" + sed "$@" "$filename" > "$tempFile" + cat "$tempFile" > "$filename" + rm "$tempFile" +} + +if [ "$1" = 'cassandra' ]; then + : ${CASSANDRA_RPC_ADDRESS='0.0.0.0'} + + : ${CASSANDRA_LISTEN_ADDRESS='auto'} + if [ "$CASSANDRA_LISTEN_ADDRESS" = 'auto' ]; then + CASSANDRA_LISTEN_ADDRESS="$(_ip_address)" + fi + + : ${CASSANDRA_BROADCAST_ADDRESS="$CASSANDRA_LISTEN_ADDRESS"} + + if [ "$CASSANDRA_BROADCAST_ADDRESS" = 'auto' ]; then + CASSANDRA_BROADCAST_ADDRESS="$(_ip_address)" + fi + : ${CASSANDRA_BROADCAST_RPC_ADDRESS:=$CASSANDRA_BROADCAST_ADDRESS} + + if [ -n "${CASSANDRA_NAME:+1}" ]; then + : ${CASSANDRA_SEEDS:="cassandra"} + fi + : ${CASSANDRA_SEEDS:="$CASSANDRA_BROADCAST_ADDRESS"} + + _sed-in-place "$CASSANDRA_CONFIG/cassandra.yaml" \ + -r 's/(- seeds:).*/\1 "'"$CASSANDRA_SEEDS"'"/' + + for yaml in \ + broadcast_address \ + broadcast_rpc_address \ + cluster_name \ + endpoint_snitch \ + listen_address \ + num_tokens \ + rpc_address \ + start_rpc \ + authenticator \ + ; do + var="CASSANDRA_${yaml^^}" + val="${!var}" + if [ "$val" ]; then + _sed-in-place "$CASSANDRA_CONFIG/cassandra.yaml" \ + -r 's/^(# )?('"$yaml"':).*/\2 '"$val"'/' + fi + done + + for rackdc in dc rack; do + var="CASSANDRA_${rackdc^^}" + val="${!var}" + if [ "$val" ]; then + _sed-in-place "$CASSANDRA_CONFIG/cassandra-rackdc.properties" \ + -r 's/^('"$rackdc"'=).*/\1 '"$val"'/' + fi + done +fi + +exec "$@" + |