Files
dokku/plugins/named-containers/post-deploy
2016-03-08 15:30:34 -05:00

38 lines
1.6 KiB
Bash
Executable File

#!/usr/bin/env bash
set -eo pipefail; [[ $DOKKU_TRACE ]] && set -x
source "$PLUGIN_CORE_AVAILABLE_PATH/common/functions"
named_containers_post_deploy() {
declare desc="names deployed app container is consistent manner"
local trigger="named_containers_post_deploy"
local APP="$1"; local APP_ROOT="$DOKKU_ROOT/$APP"
[[ -z $(stat -t "$APP_ROOT"/CONTAINER.* 2>/dev/null) ]] && exit 0
local container
for container in "$APP_ROOT"/CONTAINER.*; do
local DYNO=$(echo "$container" | sed -r 's/.*CONTAINER\.(.*)/\1/') || true
local NAME="$APP.$DYNO"
local CURRENT_CONTAINER_ID="$(< "$container")"
local PREVIOUS_CIDS=$(docker ps -a -q -f name="^.?$NAME\$" | xargs) || true
if [[ -n $PREVIOUS_CIDS ]]; then
dokku_log_info1_quiet "Found previous container(s) ($PREVIOUS_CIDS) named $NAME"
# in case $PREVIOUS_CIDS has more than one entry
local cid
for cid in $PREVIOUS_CIDS; do
local PREVIOUS_CONTAINER_STATUS=$(docker inspect -f '{{.State.Status}}' "$cid" || echo "dead")
# dead containers cannot be renamed
if [[ "$PREVIOUS_CONTAINER_STATUS" != "dead" ]]; then
local CONTAINER_DATE_NAME="$NAME.$(date +%s)"
dokku_log_info2_quiet "renaming container ($cid) ${NAME} to $CONTAINER_DATE_NAME"
docker rename "$NAME" "$CONTAINER_DATE_NAME" > /dev/null
fi
done
fi
local ID=$(cat "$container")
local CURRENT_NAME=$(docker inspect -f '{{.Name}}' "$ID" | tr -d /)
dokku_log_info2_quiet "renaming container (${ID:0:12}) $CURRENT_NAME to $NAME"
docker rename "$CURRENT_NAME" "$NAME" > /dev/null
done
}
named_containers_post_deploy "$@"