dokku/dokku-redis
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Support a separate data root for Docker binds

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We run Dokku, and therefore dokku redis, in its own Docker container.
In order to make this work we map a path from the host into the
container as `/var/lib/dokku/services/redis`. Unfortunately the path
on the host is user-configurable, and generally _won't_ be the same
as the path in the container. This means that when we run `docker`
commands (e.g. to spin up Redis containers), the directory used for
bind mounts (the `-v` option) needs to be different.

This commit allows us to do this, but keeps the existing behaviour
(the redis root for Docker binds is the same as the redis root for
other uses) by default.
This commit is contained in:
Jody McIntyre
2018-03-29 16:52:38 -04:00
committed by Jose Diaz-Gonzalez
parent 6c3a0475d6
commit deb9317edf
3 changed files with 8 additions and 4 deletions
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2
config
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@@ -2,10 +2,12 @@
export REDIS_IMAGE=${REDIS_IMAGE:="redis"}
export REDIS_IMAGE_VERSION=${REDIS_IMAGE_VERSION:="4.0.8"}
export REDIS_ROOT=${REDIS_ROOT:="/var/lib/dokku/services/redis"}
export REDIS_HOST_ROOT=${REDIS_HOST_ROOT:=$REDIS_ROOT}
export PLUGIN_COMMAND_PREFIX="redis"
export PLUGIN_CONFIG_ROOT=${PLUGIN_CONFIG_ROOT:="$DOKKU_LIB_ROOT/config/$PLUGIN_COMMAND_PREFIX"}
export PLUGIN_DATA_ROOT=$REDIS_ROOT
export PLUGIN_DATA_HOST_ROOT=$REDIS_HOST_ROOT
export PLUGIN_DATASTORE_PORTS=(6379)
export PLUGIN_DATASTORE_WAIT_PORT=6379
export PLUGIN_DEFAULT_ALIAS="REDIS"