#!/usr/bin/env bash
# Replicate to the master server hostname defined in $1
# If that server is ourself this is a no-op

# This is a bit  kludgy.
# The hostname has to be a fully resolvable DNS name in the cluster
# If the service is called

MYHOSTNAME=${MYHOSTNAME:-$(hostname -f)}
export PATH=/opt/opendj/bin:$PATH

echo "Setting up replication from $MYHOSTNAME to $MASTER_SERVER"

# For debug

# K8s puts the service name in /etc/hosts
if grep ${MASTER_SERVER} /etc/hosts; then
  echo "We are the master. Skipping replication setup to ourself"
  exit 0
fi

# Comment out
echo "replicate ENV vars:"
env

# todo: Replace with command to test for master being reachable and up
# This is hacky....
echo "Will sleep for a bit to ensure master is up"

sleep 5

if [ "$OPENDJ_REPLICATION_TYPE" == "simple" ]; then
  echo "Enabling Standard Replication..."
  /opt/opendj/bin/dsreplication \
    enable \
    --host1 $MASTER_SERVER \
    --port1 4444 \
    --bindDN1 "$ROOT_USER_DN" \
    --bindPassword1 "$ROOT_PASSWORD" --replicationPort1 8989 \
    --host2 $MYHOSTNAME --port2 4444 --bindDN2 "$ROOT_USER_DN" \
    --bindPassword2 "$ROOT_PASSWORD" --replicationPort2 8989 \
    --adminUID admin --adminPassword "$ROOT_PASSWORD" \
    --baseDN "$BASE_DN" -X -n

  echo "initializing replication"

  # replicating data in MASTER_SERVER to MYHOSTNAME:
  /opt/opendj/bin/dsreplication initialize --baseDN "$BASE_DN" \
    --adminUID admin --adminPassword "$ROOT_PASSWORD" \
    --hostSource $MASTER_SERVER --portSource 4444 \
    --hostDestination $MYHOSTNAME --portDestination 4444 -X -n

elif [ "$OPENDJ_REPLICATION_TYPE" == "srs" ]; then
  echo "Enabling Standalone Replication Servers..."
  dsreplication enable \
    --adminUID admin \
    --adminPassword "$ROOT_PASSWORD" \
    --baseDN "$BASE_DN" \
    --host1 $MYHOSTNAME \
    --port1 4444 \
    --bindDN1 "$ROOT_USER_DN" \
    --bindPassword1 "$ROOT_PASSWORD" \
    --noReplicationServer1 \
    --host2 $MASTER_SERVER \
    --port2 4444 \
    --bindDN2 "$ROOT_USER_DN" \
    --bindPassword2 "$ROOT_PASSWORD" \
    --replicationPort2 8989 \
    --onlyReplicationServer2 \
    --trustAll \
    --no-prompt

  echo "initializing replication"

  dsreplication \
    initialize-all \
    --adminUID admin \
    --adminPassword "$ROOT_PASSWORD" \
    --baseDN "$BASE_DN" \
    --hostname $MYHOSTNAME \
    --port 4444 \
    --trustAll \
    --no-prompt

elif [ "$OPENDJ_REPLICATION_TYPE" == "sdsr" ]; then
  echo "Enabling Standalone Directory Server Replicas...."
  dsreplication \
    enable \
    --adminUID admin \
    --adminPassword "$ROOT_PASSWORD" \
    --baseDN "$BASE_DN" \
    --host1 $MASTER_SERVER \
    --port1 4444 \
    --bindDN1 "$ROOT_USER_DN" \
    --bindPassword1 "$ROOT_PASSWORD" \
    --host2 $MYHOSTNAME \
    --port2 4444 \
    --bindDN2 "$ROOT_USER_DN" \
    --bindPassword2 "$ROOT_PASSWORD" \
    --noReplicationServer2 \
    --trustAll \
    --no-prompt

  echo "initializing replication"

  dsreplication \
    initialize \
    --adminUID admin \
    --adminPassword "$ROOT_PASSWORD" \
    --baseDN "$BASE_DN" \
    --hostSource $MASTER_SERVER \
    --portSource 4444 \
    --hostDestination $MYHOSTNAME \
    --portDestination 4444 \
    --trustAll \
    --no-prompt

elif [ "$OPENDJ_REPLICATION_TYPE" == "rg" ]; then
  echo "Enabling Replication Groups..."

  dsconfig \
    set-replication-domain-prop \
    --port 4444 \
    --hostname $MYHOSTNAME \
    --bindDN "$ROOT_USER_DN" \
    --bindPassword "$ROOT_PASSWORD" \
    --provider-name "Multimaster Synchronization" \
    --domain-name "$BASE_DN" \
    --set group-id:$OPENDJ_REPLICATION_GROUP_ID \
    --trustAll \
    --no-prompt

  dsconfig \
    set-replication-server-prop \
    --port 4444 \
    --hostname $MASTER_SERVER \
    --bindDN "$ROOT_USER_DN" \
    --bindPassword "$ROOT_PASSWORD" \
    --provider-name "Multimaster Synchronization" \
    --set group-id:$OPENDJ_REPLICATION_GROUP_ID \
    --trustAll \
    --no-prompt

else
  echo "Unknown replication type, skipping replication..."
fi