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https://issues.apache.org/jira/browse/GUACAMOLE-32?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15305798#comment-15305798
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ASF GitHub Bot commented on GUACAMOLE-32:
-----------------------------------------
Github user mike-jumper commented on a diff in the pull request:
https://github.com/apache/incubator-guacamole-client/pull/10#discussion_r64998662
--- Diff: guacamole-docker/bin/start.sh ---
@@ -90,15 +90,21 @@ set_optional_property() {
## instead of a linked container.
##
associate_mysql() {
-
- # Use linked container if specified
- if [ -n "$MYSQL_NAME" ]; then
- MYSQL_HOSTNAME="$MYSQL_PORT_3306_TCP_ADDR"
- MYSQL_PORT="$MYSQL_PORT_3306_TCP_PORT"
- fi
-
- # Use default port if none specified
- MYSQL_PORT="${MYSQL_PORT-3306}"
+ : ${MYSQL_HOSTNAME:=mysql}
--- End diff --
Why default the hostname to "mysql"?
> Extended variable support in guacamole-docker image for linked databases
> ------------------------------------------------------------------------
>
> Key: GUACAMOLE-32
> URL: https://issues.apache.org/jira/browse/GUACAMOLE-32
> Project: Guacamole
> Issue Type: Improvement
> Reporter: Michael Jumper
> Priority: Minor
>
> {panel:bgColor=#FFFFEE}
> *The description of this issue was copied from
> [GUAC-1545|https://glyptodon.org/jira/browse/GUAC-1545], an issue in the JIRA
> instance used by the Guacamole project prior to its acceptance into the
> Apache Incubator.*
> Comments, attachments, related issues, and history from prior to acceptance
> *have not been copied* and can be found instead at the original issue.
> {panel}
> The current Guacamole Docker image has some issues related to environment
> variables:
> # The link environmental variables, like {{MYSQL_PORT_3306_TCP_ADDR}}, are
> deprecated (see the [link environment variables
> reference|https://docs.docker.com/compose/link-env-deprecated/]). The name of
> the service, or alias, should be used to connect instead.
> # The current docker image is not leveraging all of the environmental
> variables of the linked database container. (e.g. {{MYSQL_ENV_MYSQL_USER}})
> # The current name of the environmental variables {{MYSQL_PORT}} and
> {{POSTGRES_PORT}} are not the best choice, because they are also used by
> Docker (though deprecated) for specifying the full connection URL to the
> linked container. e.g. {{tcp://172.17.0.5:5432}}
> I've created a pull request implementing the following changes:
> - Adding support for leveraging {{MYSQL_ENV_MYSQL_USER}},
> {{MYSQL_ENV_MYSQL_PASSWORD}}, {{MYSQL_ENV_MYSQL_DATABASE}} and
> {{MYSQL_ENV_MYSQL_ROOT_PASSWORD}} for linked
> - Removed deprecated environmental variables {{MYSQL_NAME}},
> {{MYSQL_PORT_3306_TCP_ADDR}} and {{MYSQL_PORT_3306_TCP_PORT}}
> - Adding support for leveraging {{POSTGRES_ENV_POSTGRES_USER}},
> {{POSTGRES_ENV_POSTGRES_PASSWORD}} and {{POSTGRES_ENV_POSTGRES_DB}} for linked
> - Removed deprecated environmental variables {{POSTGRES_NAME}},
> {{POSTGRES_PORT_5432_TCP_ADDR}} and {{POSTGRES_PORT_5432_TCP_PORT}}
> The modified branch can be found here:
> https://github.com/vchrisb/guacamole-docker/tree/linked-db-envs
> The modified Docker image is {{vchrisb/guacamole:linked-db-envs}}
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