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100 lines
3.5 KiB
Bash
100 lines
3.5 KiB
Bash
#
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# Licensed to the Apache Software Foundation (ASF) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The ASF licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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#
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##
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## @fn 030-download-drivers.sh
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##
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## Downloads all JDBC drivers required by the various supported databases. Each
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## downloaded driver is stored beneath /opt/guacamole/drivers, with symbolic
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## links added to the mappings beneath /opt/guacamole/environment to ensure any
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## required drivers are added to GUACAMOLE_HOME if necessary to support a
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## requested database.
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##
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##
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## Downloads the JDBC driver at the given URL, storing the driver's .jar file
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## under the given name and environment variable prefix. The downloaded .jar
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## file is stored such that it is pulled into GUACAMOLE_HOME automatically if
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## environment variables with that prefix are used.
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##
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## If the URL is for a .tar.gz file and not a .jar file, the .jar will be
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## automatically extracted from the .tar.gz as it is downloaded.
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##
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## @param VAR_PREFIX
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## The environment variable prefix used by the extension that requires the
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## driver.
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##
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## @param URL
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## The URL that the driver should be downloaded from.
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##
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## @param DEST_JAR
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## The filename to assign to the downloaded .jar file. This is mainly
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## needed to ensure that the drivers bundled with the image have names that
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## are predictable and reliable enough that they can be consumed by
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## third-party use of this image.
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##
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download_driver() {
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local VAR_PREFIX="$1"
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local URL="$2"
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local DEST_JAR="$3"
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# Ensure primary destination path for .jar file exists
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local DEST_PATH="$DESTINATION/drivers/"
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mkdir -p "$DEST_PATH"
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# Download requested .jar file, extracting from .tar.gz if necessary
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if [[ "$URL" == *.tar.gz ]]; then
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curl -L "$URL" | tar -xz \
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--wildcards \
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--no-anchored \
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--no-wildcards-match-slash \
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--to-stdout \
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"*.jar" > "$DEST_PATH/$DEST_JAR"
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else
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curl -L "$URL" > "$DEST_PATH/$DEST_JAR"
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fi
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# Add any required link to ensure the .jar file is loaded along with the
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# extension that requires it
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mkdir -p "$DESTINATION/environment/$VAR_PREFIX/lib"
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ln -s "$DEST_PATH/$DEST_JAR" "$DESTINATION/environment/$VAR_PREFIX/lib/"
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}
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#
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# Download and link any required JDBC drivers
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#
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# MySQL JDBC driver
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download_driver "MYSQL_" \
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"https://dev.mysql.com/get/Downloads/Connector-J/mysql-connector-j-$MYSQL_JDBC_VERSION.tar.gz" \
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"mysql-jdbc.jar"
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# PostgreSQL JDBC driver
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download_driver "POSTGRESQL_" \
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"https://jdbc.postgresql.org/download/postgresql-$PGSQL_JDBC_VERSION.jar" \
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"postgresql-jdbc.jar"
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# SQL Server JDBC driver
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download_driver "SQLSERVER_" \
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"https://github.com/microsoft/mssql-jdbc/releases/download/v$MSSQL_JDBC_VERSION/mssql-jdbc-$MSSQL_JDBC_VERSION.jre8.jar" \
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"mssql-jdbc.jar"
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