diff options
Diffstat (limited to 'kubernetes/common/cassandra/resources/config/docker-entrypoint.sh')
| -rw-r--r-- | kubernetes/common/cassandra/resources/config/docker-entrypoint.sh | 21 |
1 files changed, 12 insertions, 9 deletions
diff --git a/kubernetes/common/cassandra/resources/config/docker-entrypoint.sh b/kubernetes/common/cassandra/resources/config/docker-entrypoint.sh index 5b652228a6..2d30f2e068 100644 --- a/kubernetes/common/cassandra/resources/config/docker-entrypoint.sh +++ b/kubernetes/common/cassandra/resources/config/docker-entrypoint.sh @@ -1,4 +1,5 @@ #!/bin/bash + set -e # first arg is `-f` or `--some-option` @@ -11,7 +12,7 @@ fi 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" "$@" + exec gosu cassandra "$0" "$@" fi _ip_address() { @@ -27,7 +28,7 @@ _ip_address() { } # "sed -i", but without "mv" (which doesn't work on a bind-mounted file, for example) -_sed-in-place() { +_sed_in_place() { local filename="$1"; shift local tempFile tempFile="$(mktemp)" @@ -56,7 +57,7 @@ if [ "$1" = 'cassandra' ]; then fi : ${CASSANDRA_SEEDS:="$CASSANDRA_BROADCAST_ADDRESS"} - _sed-in-place "$CASSANDRA_CONFIG/cassandra.yaml" \ + _sed_in_place "$CASSANDRA_CONFIG/cassandra.yaml" \ -r 's/(- seeds:).*/\1 "'"$CASSANDRA_SEEDS"'"/' for yaml in \ @@ -70,19 +71,21 @@ if [ "$1" = 'cassandra' ]; then start_rpc \ authenticator \ ; do - var="CASSANDRA_${yaml^^}" - val="${!var}" + var="CASSANDRA_$(echo $yaml | tr '[:lower:]' '[:upper:]')" + # eval presents no security issue here because of limited possible values of var + eval val=\$$var if [ "$val" ]; then - _sed-in-place "$CASSANDRA_CONFIG/cassandra.yaml" \ + _sed_in_place "$CASSANDRA_CONFIG/cassandra.yaml" \ -r 's/^(# )?('"$yaml"':).*/\2 '"$val"'/' fi done for rackdc in dc rack; do - var="CASSANDRA_${rackdc^^}" - val="${!var}" + var="CASSANDRA_$(echo $rackdc | tr '[:lower:]' '[:upper:]')" + # eval presents no security issue here because of limited possible values of var + eval val=\$$var if [ "$val" ]; then - _sed-in-place "$CASSANDRA_CONFIG/cassandra-rackdc.properties" \ + _sed_in_place "$CASSANDRA_CONFIG/cassandra-rackdc.properties" \ -r 's/^('"$rackdc"'=).*/\1 '"$val"'/' fi done |