Files
dokku/plugins/scheduler-docker-local/core-post-deploy
Jose Diaz-Gonzalez 4436bb2023 chore: standardize on ls subcommand when interacting with the docker binary
The ls command is what is referenced in the --help output for the subcommands, so we should just use that everywhere.
2023-08-05 10:58:57 -04:00

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#!/usr/bin/env bash
set -eo pipefail
[[ $DOKKU_TRACE ]] && set -x
source "$PLUGIN_CORE_AVAILABLE_PATH/common/functions"
source "$PLUGIN_AVAILABLE_PATH/config/functions"
trigger-scheduler-docker-local-core-post-deploy() {
declare desc="scheduler-docker-local core-post-deploy state cleanup"
declare trigger="core-post-deploy"
declare APP="$1"
local APP_ROOT="$DOKKU_ROOT/$APP"
local DOKKU_SCHEDULER=$(get_app_scheduler "$APP")
if [[ "$DOKKU_SCHEDULER" != "docker-local" ]]; then
return
fi
dokku_log_info1 "Renaming containers"
local PROCTYPES="$(plugn trigger ps-current-scale "$APP" | awk -F '=' '{ print $1 }' | xargs)"
local CONTAINER_FILES="$(find "$DOKKU_ROOT/$APP" -maxdepth 1 -name "CONTAINER.*" -printf "%f\n" 2>/dev/null | sort -t . -k 3 -n | xargs)"
local CONTAINER_FILE
for CONTAINER_FILE in $CONTAINER_FILES; do
local CONTAINER_TYPE="$(awk -F '.' '{ print $2 }' <<<"$CONTAINER_FILE")"
if [[ "$(is_val_in_list "$CONTAINER_TYPE" "$PROCTYPES" " ")" == "false" ]]; then
dokku_log_verbose_quiet "Container type ($CONTAINER_TYPE) is no longer defined. Removing state"
local IP_FILE="${CONTAINER_FILE//CONTAINER/IP}"
local PORT_FILE="${CONTAINER_FILE//CONTAINER/PORT}"
rm -f "$DOKKU_ROOT/$APP/$CONTAINER_FILE" "$DOKKU_ROOT/$APP/$IP_FILE" "$DOKKU_ROOT/$APP/$PORT_FILE"
fi
done
shopt -s nullglob
local container
for container in $APP_ROOT/CONTAINER.*; do
local DYNO=$(echo "$container" | sed -r 's/.*CONTAINER\.(.*)/\1/') || true
local NAME="$APP.$DYNO"
local CURRENT_CONTAINER_ID="$(<"$container")"
# TODO: Ensure these are from the current service
local PREVIOUS_CIDS=$("$DOCKER_BIN" container ls --all --quiet --filter name="^.?$NAME\$" | xargs) || true
if [[ -n $PREVIOUS_CIDS ]]; then
dokku_log_verbose_quiet "Found previous container(s) ($PREVIOUS_CIDS) named $NAME"
# in case $PREVIOUS_CIDS has more than one entry
local cid
for cid in $PREVIOUS_CIDS; do
local PREVIOUS_CONTAINER_STATUS=$("$DOCKER_BIN" container inspect --format '{{.State.Status}}' "$cid" || echo "dead")
# dead containers cannot be renamed
if [[ "$PREVIOUS_CONTAINER_STATUS" != "dead" ]]; then
local CONTAINER_DATE_NAME="$NAME.$(date +%s)"
dokku_log_verbose_quiet "Renaming container ($cid) ${NAME} to $CONTAINER_DATE_NAME"
"$DOCKER_BIN" container rename "$NAME" "$CONTAINER_DATE_NAME" >/dev/null 2>&1 || dokku_log_warn "Unable to rename container"
fi
done
fi
local ID=$(cat "$container")
local CURRENT_NAME=$("$DOCKER_BIN" container inspect --format '{{.Name}}' "$ID" | tr -d /)
if [[ -n "$CURRENT_NAME" ]]; then
dokku_log_verbose_quiet "Renaming container $CURRENT_NAME (${ID:0:12}) to $NAME"
if ! "$DOCKER_BIN" container rename "$ID" "$NAME" >/dev/null; then
dokku_log_warn "Failed to rename container $CURRENT_NAME (${ID:0:12})"
dokku_log_info2_quiet "Start $APP (${ID:0:12}) container output:"
dokku_container_log_verbose_quiet "$ID"
dokku_log_info2_quiet "End $APP (${ID:0:12}) container output"
fi
fi
done
shopt -u nullglob
}
trigger-scheduler-docker-local-core-post-deploy "$@"