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GUACAMOLE-1418: Add support of SQL Server JDBC plugin in Docker Image
This commit is contained in:
Jean-Benoit Paux
@@ -23,7 +23,7 @@
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##
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## Automatically configures and starts Guacamole under Tomcat. Guacamole's
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## guacamole.properties file will be automatically generated based on the
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## linked database container (either MySQL or PostgreSQL) and the linked guacd
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## linked database container (either MySQL,PostgreSQL or SQLServer) and the linked guacd
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## container. The Tomcat process will ultimately replace the process of this
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## script, running in the foreground until terminated.
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##
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@@ -403,6 +403,142 @@ END
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}
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# Print error message regarding missing required variables for SQLServer authentication
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sqlserver_missing_vars() {
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cat <<END
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FATAL: Missing required environment variables
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-------------------------------------------------------------------------------
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If using a SQLServer database, you must provide each of the following
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environment variables or their corresponding Docker secrets by appending _FILE
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to the environment variable, and setting the value to the path of the
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corresponding secret:
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SQLSERVER_USER The user to authenticate as when connecting to
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SQLServer.
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SQLSERVER_PASSWORD The password to use when authenticating with SQLServer
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as SQLSERVER_USER.
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SQLSERVER_DATABASE The name of the SQLServer database to use for Guacamole
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authentication.
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END
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exit 1;
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}
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##
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## Adds properties to guacamole.properties which select the SQLServer
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## authentication provider, and configure it to connect to the linked
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## SQLServer container. If a SQLServer database is explicitly specified using
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## the SQLSERVER_HOSTNAME and SQLSERVER_PORT environment variables, that will
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## be used instead of a linked container.
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##
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associate_sqlserver() {
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# Use linked container if specified
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if [ -n "$SQLSERVER_NAME" ]; then
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SQLSERVER_HOSTNAME="$SQLSERVER_PORT_1433_TCP_ADDR"
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SQLSERVER_PORT="$SQLSERVER_PORT_1433_TCP_PORT"
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fi
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# Use default port if none specified
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SQLSERVER_PORT="${SQLSERVER_PORT-1433}"
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# Verify required connection information is present
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if [ -z "$SQLSERVER_HOSTNAME" -o -z "$SQLSERVER_PORT" ]; then
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cat <<END
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FATAL: Missing SQLSERVER_HOSTNAME or "sqlserver" link.
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-------------------------------------------------------------------------------
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If using a SQLServer database, you must either:
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(a) Explicitly link that container with the link named "sqlserver".
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(b) If not using a Docker container for SQLServer, explicitly specify the TCP
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connection to your database using the following environment variables:
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SQLSERVER_HOSTNAME The hostname or IP address of the SQLServer server. If
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not using a SQLServer Docker container and
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corresponding link, this environment variable is
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*REQUIRED*.
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SQLSERVER_PORT The port on which the SQLServer server is listening for
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TCP connections. This environment variable is option. If
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omitted, the standard SQLServer port of 1433 will be
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used.
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END
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exit 1;
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fi
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# Verify that the required Docker secrets are present, else, default to their normal environment variables
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if [ -n "$SQLSERVER_USER_FILE" ]; then
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set_property "sqlserver-username" "`cat "$SQLSERVER_USER_FILE"`"
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elif [ -n "$SQLSERVER_USER" ]; then
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set_property "sqlserver-username" "$SQLSERVER_USER"
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else
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sqlserver_missing_vars
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exit 1;
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fi
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if [ -n "$SQLSERVER_PASSWORD_FILE" ]; then
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set_property "sqlserver-password" "`cat "$SQLSERVER_PASSWORD_FILE"`"
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elif [ -n "$SQLSERVER_PASSWORD" ]; then
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set_property "sqlserver-password" "$SQLSERVER_PASSWORD"
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else
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sqlserver_missing_vars
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exit 1;
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fi
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if [ -n "$SQLSERVER_DATABASE_FILE" ]; then
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set_property "sqlserver-database" "`cat "$SQLSERVER_DATABASE_FILE"`"
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elif [ -n "$SQLSERVER_DATABASE" ]; then
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set_property "sqlserver-database" "$SQLSERVER_DATABASE"
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else
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sqlserver_missing_vars
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exit 1;
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fi
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# Update config file
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set_property "sqlserver-hostname" "$SQLSERVER_HOSTNAME"
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set_property "sqlserver-port" "$SQLSERVER_PORT"
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set_property "sqlserver-driver" "microsoft2005"
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set_optional_property \
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"sqlserver-absolute-max-connections" \
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"$SQLSERVER_ABSOLUTE_MAX_CONNECTIONS"
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set_optional_property \
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"sqlserver-default-max-connections" \
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"$SQLSERVER_DEFAULT_MAX_CONNECTIONS"
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set_optional_property \
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"sqlserver-default-max-group-connections" \
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"$SQLSERVER_DEFAULT_MAX_GROUP_CONNECTIONS"
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set_optional_property \
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"sqlserver-default-max-connections-per-user" \
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"$SQLSERVER_DEFAULT_MAX_CONNECTIONS_PER_USER"
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set_optional_property \
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"sqlserver-default-max-group-connections-per-user" \
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"$SQLSERVER_DEFAULT_MAX_GROUP_CONNECTIONS_PER_USER"
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set_optional_property \
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"sqlserver-user-required" \
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"$SQLSERVER_USER_REQUIRED"
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set_optional_property \
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"sqlserver-auto-create-accounts" \
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"$SQLSERVERQL_AUTO_CREATE_ACCOUNTS"
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set_optional_property \
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"sqlserver-instance" \
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"$SQLSERVERQL_INSTANCE"
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# Add required .jar files to GUACAMOLE_LIB and GUACAMOLE_EXT
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ln -s /opt/guacamole/sqlserver/mssql-jdbc-*.jar "$GUACAMOLE_LIB"
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ln -s /opt/guacamole/sqlserver/guacamole-auth-*.jar "$GUACAMOLE_EXT"
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}
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##
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## Adds properties to guacamole.properties which select the LDAP
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## authentication provider, and configure it to connect to the specified LDAP
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@@ -813,6 +949,12 @@ if [ -n "$POSTGRES_DATABASE" -o -n "$POSTGRES_DATABASE_FILE" ]; then
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INSTALLED_AUTH="$INSTALLED_AUTH postgres"
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fi
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# Use SQLServer if database specified
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if [ -n "$SQLSERVER_DATABASE" -o -n "$SQLSERVER_DATABASE_FILE" ]; then
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associate_sqlserver
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INSTALLED_AUTH="$INSTALLED_AUTH sqlserver"
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fi
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# Use LDAP directory if specified
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if [ -n "$LDAP_HOSTNAME" ]; then
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associate_ldap
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@@ -840,10 +982,11 @@ if [ -z "$INSTALLED_AUTH" -a -z "$GUACAMOLE_HOME_TEMPLATE" ]; then
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FATAL: No authentication configured
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-------------------------------------------------------------------------------
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The Guacamole Docker container needs at least one authentication mechanism in
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order to function, such as a MySQL database, PostgreSQL database, LDAP
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directory or RADIUS server. Please specify at least the MYSQL_DATABASE or
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POSTGRES_DATABASE environment variables, or check Guacamole's Docker
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documentation regarding configuring LDAP and/or custom extensions.
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order to function, such as a MySQL database, PostgreSQL database, SQLServer
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database, LDAP directory or RADIUS server. Please specify at least the
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MYSQL_DATABASE or POSTGRES_DATABASE or SQLSERVER_DATABASE environment variables,
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or check Guacamole's Docker documentation regarding configuring LDAP and/or
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custom extensions.
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END
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exit 1;
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fi
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