[HUDI-82] Adds Presto integration in Docker demo (#847)

docker/hoodie/hadoop/prestobase/bin/entrypoint.sh

@@ -0,0 +1,52 @@
+#!/bin/bash
+
+set -eo pipefail
+
+wait_until() {
+    local hostname=${1?}
+    local port=${2?}
+    local retry=${3:-100}
+    local sleep_secs=${4:-2}
+    
+    local address_up=0
+    
+    while [ ${retry} -gt 0 ] ; do
+        echo  "Waiting until ${hostname}:${port} is up ... with retry count: ${retry}"
+        if nc -z ${hostname} ${port}; then
+            address_up=1
+            break
+        fi        
+        retry=$((retry-1))
+        sleep ${sleep_secs}
+    done 
+    
+    if [ $address_up -eq 0 ]; then
+        echo "GIVE UP waiting until ${hostname}:${port} is up! "
+        exit 1
+    fi       
+}
+
+if [ ! -e ${PRESTO_LOG_DIR}/node.id ]; then
+    cat /proc/sys/kernel/random/uuid > ${PRESTO_LOG_DIR}/node.id
+fi
+
+export PRESTO_NODE_ID=$(cat ${PRESTO_LOG_DIR}/node.id)
+
+# apply template
+for template in $(ls ${PRESTO_CONF_DIR}/*.mustache)
+do
+    conf_file=${template%.mustache}
+    cat ${conf_file}.mustache | mustache.sh > ${conf_file}
+done
+
+case "$1" in
+    "coordinator" | "worker" )
+        server_role="$1"
+        shift
+        exec gosu presto launcher --config=${PRESTO_CONF_DIR}/${server_role}.properties "$@" run
+        ;;
+    *)
+        ;; 
+esac
+ 
+exec "$@"

docker/hoodie/hadoop/prestobase/bin/mustache.sh

@@ -0,0 +1,15 @@
+#!/bin/sh
+
+# `mustache.sh`, Mustache in POSIX shell.
+
+set -e
+
+# Load the `mustache` function and its friends.  These are assumed to be
+# in the `lib` directory in the same tree as this `bin` directory.
+. "$(dirname "$(dirname "$0")")/lib/mustache.sh"
+
+# Call `mustache` to make this behave somewhat like `mustache`(1).
+# Because it doesn't accept the `--compile` or `--tokens` command-line
+# options and does not accept input file(s) as arguments, this program
+# is called `mustache.sh`(1), not `mustache`(1).
+mustache