dokku/dokku-mysql
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feat: use custom env var to disable pull actions

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This commit is contained in:
Jose Diaz-Gonzalez
2018-04-11 15:11:39 -04:00
parent 07f630b545
commit 606fc7f9be
3 changed files with 17 additions and 0 deletions
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6
README.md
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@@ -233,3 +233,9 @@ dokku mysql:backup-auth lolipop AWS_ACCESS_KEY_ID AWS_SECRET_ACCESS_KEY AWS_REGI
# more specific example for minio auth # more specific example for minio auth
dokku mysql:backup-auth lolipop MINIO_ACCESS_KEY_ID MINIO_SECRET_ACCESS_KEY us-east-1 s3v4 https://YOURMINIOSERVICE dokku mysql:backup-auth lolipop MINIO_ACCESS_KEY_ID MINIO_SECRET_ACCESS_KEY us-east-1 s3v4 https://YOURMINIOSERVICE
``` ```
## Disabling `docker pull` calls
If you wish to disable the `docker pull` calls that the plugin triggers, you may set the `MYSQL_DISABLE_PULL` environment variable to `true`. Once disabled, you will need to pull the service image you wish to deploy as shown in the `stderr` output.
Please ensure the proper images are in place when `docker pull` is disabled.

6
functions
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@@ -30,6 +30,12 @@ service_create() {
service_parse_args "${@:2}" service_parse_args "${@:2}"
if ! docker images | grep -e "^$PLUGIN_IMAGE " | grep -q " $PLUGIN_IMAGE_VERSION " ; then if ! docker images | grep -e "^$PLUGIN_IMAGE " | grep -q " $PLUGIN_IMAGE_VERSION " ; then
if [[ "$MYSQL_DISABLE_PULL" == "true" ]]; then
dokku_log_warn "MYSQL_DISABLE_PULL environment variable detected. Not running pull command." 1>&2
dokku_log_warn " docker pull ${IMAGE}" 1>&2
dokku_log_warn "$PLUGIN_SERVICE service creation failed"
exit 1
fi
docker pull "$PLUGIN_IMAGE:$PLUGIN_IMAGE_VERSION" || dokku_log_fail "$PLUGIN_SERVICE image $PLUGIN_IMAGE:$PLUGIN_IMAGE_VERSION pull failed" docker pull "$PLUGIN_IMAGE:$PLUGIN_IMAGE_VERSION" || dokku_log_fail "$PLUGIN_SERVICE image $PLUGIN_IMAGE:$PLUGIN_IMAGE_VERSION pull failed"
fi fi

5
install
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@@ -5,6 +5,11 @@ set -eo pipefail; [[ $DOKKU_TRACE ]] && set -x
plugin-install() { plugin-install() {
pull-docker-image() { pull-docker-image() {
declare IMAGE="$1" declare IMAGE="$1"
if [[ "$MYSQL_DISABLE_PULL" == "true" ]]; then
echo " ! MYSQL_DISABLE_PULL environment variable detected. Not running pull command." 1>&2
echo " ! docker pull ${IMAGE}" 1>&2
return
fi
if [[ "$(docker images -q "${IMAGE}" 2> /dev/null)" == "" ]]; then if [[ "$(docker images -q "${IMAGE}" 2> /dev/null)" == "" ]]; then
docker pull "${IMAGE}" docker pull "${IMAGE}"
fi fi