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@ -3,6 +3,9 @@ set -e -o errexit -o nounset -o pipefail
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[[ ${ENTRYPOINT_DEBUG:=0} == 1 ]] && set -x
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: "${RUNTIME_UID:="33"}"
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: "${RUNTIME_GID:="33"}"
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# Some splash of color for important messages
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declare -g error_message_color="\033[1;31m"
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declare -g warn_message_color="\033[1;34m"
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@ -23,11 +26,14 @@ declare -a dot_env_files=(
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# environment keys seen when source dot files (so we can [export] them)
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declare -ga seen_dot_env_variables=()
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declare -g docker_state_path="$(readlink -f ./storage/docker)"
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declare -g docker_state_path
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docker_state_path="$(readlink -f ./storage/docker)"
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declare -g docker_locks_path="${docker_state_path}/lock"
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declare -g docker_once_path="${docker_state_path}/once"
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declare -g runtime_username=$(id -un ${RUNTIME_UID})
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declare -g runtime_username
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runtime_username=$(id -un "${RUNTIME_UID}")
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# We should already be in /var/www, but just to be explicit
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cd /var/www || log-error-and-exit "could not change to /var/www"
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@ -38,7 +44,7 @@ function entrypoint-set-script-name() {
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script_name_previous="${script_name}"
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script_name="${1}"
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log_prefix="[entrypoint / $(get-entrypoint-script-name $1)] - "
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log_prefix="[entrypoint / $(get-entrypoint-script-name "$1")] - "
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}
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# @description Restore the log prefix to the previous value that was captured in [entrypoint-set-script-name ]
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@ -86,20 +92,18 @@ function run-command-as() {
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if [[ $exit_code != 0 ]]; then
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log-error "❌ Error!"
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return $exit_code
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return "$exit_code"
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fi
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log-info-stderr "✅ OK!"
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return $exit_code
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return "$exit_code"
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}
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# @description Streams stdout from the command and echo it
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# with log prefixing.
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# @see stream-prefix-command-output
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function stream-stdout-handler() {
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local prefix="${1:-}"
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while read line; do
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while read -r line; do
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log-info "(stdout) ${line}"
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done
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}
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@ -108,7 +112,7 @@ function stream-stdout-handler() {
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# with a bit of color and log prefixing.
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# @see stream-prefix-command-output
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function stream-stderr-handler() {
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while read line; do
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while read -r line; do
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log-info-stderr "(${error_message_color}stderr${color_clear}) ${line}"
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done
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}
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@ -123,11 +127,13 @@ function stream-prefix-command-output() {
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# if stdout is being piped, print it like normal with echo
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if [ ! -t 1 ]; then
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# shellcheck disable=SC1007
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stdout= echo >&1 -ne
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fi
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# if stderr is being piped, print it like normal with echo
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if [ ! -t 2 ]; then
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# shellcheck disable=SC1007
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stderr= echo >&2 -ne
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fi
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@ -141,11 +147,11 @@ function log-error() {
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local msg
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if [[ $# -gt 0 ]]; then
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msg="$@"
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msg="$*"
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elif [[ ! -t 0 ]]; then
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read msg || log-error-and-exit "[${FUNCNAME}] could not read from stdin"
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read -r msg || log-error-and-exit "[${FUNCNAME[0]}] could not read from stdin"
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else
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log-error-and-exit "[${FUNCNAME}] did not receive any input arguments and STDIN is empty"
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log-error-and-exit "[${FUNCNAME[0]}] did not receive any input arguments and STDIN is empty"
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fi
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echo -e "${error_message_color}${log_prefix}ERROR - ${msg}${color_clear}" >/dev/stderr
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@ -170,11 +176,11 @@ function log-warning() {
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local msg
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if [[ $# -gt 0 ]]; then
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msg="$@"
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msg="$*"
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elif [[ ! -t 0 ]]; then
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read msg || log-error-and-exit "[${FUNCNAME}] could not read from stdin"
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read -r msg || log-error-and-exit "[${FUNCNAME[0]}] could not read from stdin"
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else
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log-error-and-exit "[${FUNCNAME}] did not receive any input arguments and STDIN is empty"
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log-error-and-exit "[${FUNCNAME[0]}] did not receive any input arguments and STDIN is empty"
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fi
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echo -e "${warn_message_color}${log_prefix}WARNING - ${msg}${color_clear}" >/dev/stderr
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@ -187,15 +193,15 @@ function log-info() {
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local msg
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if [[ $# -gt 0 ]]; then
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msg="$@"
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msg="$*"
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elif [[ ! -t 0 ]]; then
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read msg || log-error-and-exit "[${FUNCNAME}] could not read from stdin"
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read -r msg || log-error-and-exit "[${FUNCNAME[0]}] could not read from stdin"
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else
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log-error-and-exit "[${FUNCNAME}] did not receive any input arguments and STDIN is empty"
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log-error-and-exit "[${FUNCNAME[0]}] did not receive any input arguments and STDIN is empty"
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fi
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if [ -z "${ENTRYPOINT_QUIET_LOGS:-}" ]; then
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echo -e "${log_prefix}${msg}"
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echo -e "${notice_message_color}${log_prefix}${msg}${color_clear}"
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fi
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}
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@ -206,11 +212,11 @@ function log-info-stderr() {
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local msg
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if [[ $# -gt 0 ]]; then
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msg="$@"
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msg="$*"
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elif [[ ! -t 0 ]]; then
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read msg || log-error-and-exit "[${FUNCNAME}] could not read from stdin"
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read -r msg || log-error-and-exit "[${FUNCNAME[0]}] could not read from stdin"
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else
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log-error-and-exit "[${FUNCNAME}] did not receive any input arguments and STDIN is empty"
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log-error-and-exit "[${FUNCNAME[0]}] did not receive any input arguments and STDIN is empty"
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fi
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if [ -z "${ENTRYPOINT_QUIET_LOGS:-}" ]; then
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@ -231,15 +237,19 @@ function load-config-files() {
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fi
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log-info "Sourcing ${file}"
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# shellcheck disable=SC1090
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source "${file}"
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# find all keys in the dot-env file and store them in our temp associative array
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for k in "$(grep -v '^#' "${file}" | cut -d"=" -f1 | xargs)"; do
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for k in $(grep -v '^#' "${file}" | cut -d"=" -f1 | xargs); do
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_tmp_dot_env_keys[$k]=1
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done
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done
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seen_dot_env_variables=(${!_tmp_dot_env_keys[@]})
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# Used in other scripts (like templating) for [export]-ing the values
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#
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# shellcheck disable=SC2034
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seen_dot_env_variables=("${!_tmp_dot_env_keys[@]}")
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}
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# @description Checks if $needle exists in $haystack
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@ -290,7 +300,7 @@ function file-exists() {
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# @exitcode 0 If $1 contains files
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# @exitcode 1 If $1 does *NOT* contain files
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function is-directory-empty() {
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! find "${1}" -mindepth 1 -maxdepth 1 -type f -print -quit 2>/dev/null | read v
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! find "${1}" -mindepth 1 -maxdepth 1 -type f -print -quit 2>/dev/null | read -r
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}
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# @description Ensures a directory exists (via mkdir)
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@ -301,11 +311,11 @@ function ensure-directory-exists() {
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stream-prefix-command-output mkdir -pv "$@"
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}
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# @description Find the relative path for a entrypoint script by removing the ENTRYPOINT_ROOT prefix
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# @description Find the relative path for a entrypoint script by removing the ENTRYPOINT_D_ROOT prefix
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# @arg $1 string The path to manipulate
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# @stdout The relative path to the entrypoint script
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function get-entrypoint-script-name() {
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echo "${1#"$ENTRYPOINT_ROOT"}"
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echo "${1#"$ENTRYPOINT_D_ROOT"}"
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}
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# @description Ensure a command is only run once (via a 'lock' file) in the storage directory.
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@ -373,12 +383,14 @@ function release-lock() {
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# @arg $@ string The list of trap signals to register
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function on-trap() {
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local trap_add_cmd=$1
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shift || log-error-and-exit "${FUNCNAME} usage error"
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shift || log-error-and-exit "${FUNCNAME[0]} usage error"
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for trap_add_name in "$@"; do
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trap -- "$(
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# helper fn to get existing trap command from output
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# of trap -p
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#
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# shellcheck disable=SC2317
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extract_trap_cmd() { printf '%s\n' "${3:-}"; }
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# print existing trap command with newline
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eval "extract_trap_cmd $(trap -p "${trap_add_name}")"
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@ -403,12 +415,14 @@ function await-database-ready() {
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case "${DB_CONNECTION:-}" in
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mysql)
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# shellcheck disable=SC2154
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while ! echo "SELECT 1" | mysql --user="${DB_USERNAME}" --password="${DB_PASSWORD}" --host="${DB_HOST}" "${DB_DATABASE}" --silent >/dev/null; do
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staggered-sleep
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done
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;;
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pgsql)
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# shellcheck disable=SC2154
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while ! echo "SELECT 1" | PGPASSWORD="${DB_PASSWORD}" psql --user="${DB_USERNAME}" --host="${DB_HOST}" "${DB_DATABASE}" >/dev/null; do
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staggered-sleep
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done
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@ -417,6 +431,7 @@ function await-database-ready() {
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sqlsrv)
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log-warning "Don't know how to check if SQLServer is *truely* ready or not - so will just check if we're able to connect to it"
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# shellcheck disable=SC2154
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while ! timeout 1 bash -c "cat < /dev/null > /dev/tcp/${DB_HOST}/${DB_PORT}"; do
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staggered-sleep
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done
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@ -437,7 +452,7 @@ function await-database-ready() {
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# @description sleeps between 1 and 3 seconds to ensure a bit of randomness
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# in multiple scripts/containers doing work almost at the same time.
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function staggered-sleep() {
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sleep $(get-random-number-between 1 3)
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sleep "$(get-random-number-between 1 3)"
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}
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# @description Helper function to get a random number between $1 and $2
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@ -459,13 +474,13 @@ function show-call-stack() {
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local src
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# to avoid noise we start with 1 to skip the get_stack function
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for ((i = 1; i < $stack_size; i++)); do
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for ((i = 1; i < stack_size; i++)); do
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func="${FUNCNAME[$i]}"
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[ x$func = x ] && func=MAIN
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[ -z "$func" ] && func="MAIN"
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lineno="${BASH_LINENO[$((i - 1))]}"
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src="${BASH_SOURCE[$i]}"
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[ x"$src" = x ] && src=non_file_source
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[ -z "$src" ] && src="non_file_source"
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log-error " at: ${func} ${src}:${lineno}"
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done
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Christian Winther
1 year ago