Make ccm helper script more generic

bin/install-ccm.sh

@@ -0,0 +1,32 @@
+#!/usr/bin/env bash
+
+shopt -s extglob
+
+SCRIPT_PATH="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null && pwd )"
+CCM_CONFIG=${CCM_CONFIG_DIR:=~/.ccm}
+JAR_FILE=$(eval echo "${SCRIPT_PATH}/../agent/target/cassandra-exporter-agent-*.jar")
+
+if [ ! -f ${CCM_CONFIG}/CURRENT ]; then
+ echo "Unable to find an active ccm cluster"
+ exit 2
+fi
+
+if [ ! -f ${JAR_FILE} ]; then
+ echo "No jar file found. Build project and try again."
+ exit 3
+fi
+
+CCM_CLUSTER_NAME=`cat ${CCM_CONFIG}/CURRENT`
+echo "Installing cassandra-exporter into ${CCM_CLUSTER_NAME}"
+
+CLUSTER_PATH=${CCM_CONFIG}/${CCM_CLUSTER_NAME}
+
+find ${CLUSTER_PATH} -path '*/node*/conf/cassandra-env.sh' | while read file; do
+    node=$(echo ${file} | sed 's/[^0-9]*//g')
+    port=$((19499+${node}))
+
+    echo " http://127.0.0.${node}:${port}/metrics"
+    sed -i -e "/cassandra-exporter/d" "${file}"
+
+    echo "JVM_OPTS=\"\$JVM_OPTS -javaagent:${JAR_FILE}=--listen=:${port},--enable-collector-timing\"" >> "${file}"
+done;