upload

#! /bin/sh

# upload - recursively uploads file(s) to a remote server. The
# following environment variables are required:
#   - LOCAL_PATH
#   - REMOTE_SERVER
#   - REMOTE_PATH
#   - USERNAME
#   - PASSWORD
#
# The following environment variables are optional:
#   - DEBUG
#   - DELETE_FILES
#   - INSECURE_SKIP_SSL_VERIFICATION

# Copyright 2020 Toolhouse, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

. /_func

cd "$LOCAL_PATH" || exit 1

DEBUG_STATEMENT=""
if parse_bool "$DEBUG"; then
    DEBUG_STATEMENT=debug;
fi

SSL_VERIFY_STATEMENT=""
if parse_bool "$INSECURE_SKIP_SSL_VERIFICATION"; then
    echo "Warning: SSL certificate verification is disabled, this is an insecure mode of operation. To disable this behavior, set INSECURE_SKIP_SSL_VERIFICATION=false"
    SSL_VERIFY_STATEMENT="set ssl:verify-certificate false;"
fi

CREATE_REMOTE_DIR_CMD=""
if parse_bool "$CREATE_REMOTE_DIR"; then
    CREATE_REMOTE_DIR_CMD="mkdir -p -f $REMOTE_PATH;"
fi


DELETE_ARG=""
if parse_bool "$DELETE_FILES"; then
    echo "Warning: This will delete files at destination that are not present at the source. To disable this behavior, set DELETE_FILES=false"
    DELETE_ARG=--delete
fi

EXCLUDE_ARG=""
if is_set "$EXCLUDE_FILES"; then
    EXCLUDE_ARG="--exclude $EXCLUDE_FILES"
fi

lftp -u "$USERNAME","$PASSWORD" $REMOTE_SERVER <<EOF
$DEBUG_STATEMENT
$SSL_VERIFY_STATEMENT

set cmd:fail-exit yes;

set net:limit-rate $NET_LIMIT_RATE;
set net:limit-max $NET_LIMIT_MAX;
set net:limit-total-rate $NET_LIMIT_TOTAL_RATE;
set net:limit-total-max $NET_LIMIT_TOTAL_MAX;

set net:timeout $NET_TIMEOUT;
set net:reconnect-interval-base $NET_RECONNECT_INTERVAL_BASE;
set net:reconnect-interval-multiplier $NET_RECONNECT_INTERVAL_MULTIPLIER;
set net:max-retries $NET_MAX_RETRIES;
set net:persist-retries $NET_PERSIST_RETRIES;

set mirror:parallel-directories $MIRROR_PARALLEL_DIRECTORIES;
set mirror:parallel-transfer-count $MIRROR_PARALLEL_TRANSFER_COUNT;
set mirror:set-permissions $MIRROR_SET_PERMISSIONS;

set sftp:auto-confirm $SFTP_AUTO_CONFIRM;
set sftp:max-packets-in-flight $SFTP_MAX_PACKETS_IN_FLIGHT;
set sftp:protocol-version $SFTP_PROTOCOL_VERSION;
set sftp:server-program $SFTP_SERVER_PROGRAM;

$CREATE_REMOTE_DIR_CMD
cd $REMOTE_PATH;
mirror --no-perms $DELETE_ARG $EXCLUDE_ARG --reverse;
exit;
EOF