109 lines
2.9 KiB
Bash
Executable File
109 lines
2.9 KiB
Bash
Executable File
#!/usr/bin/env bash
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readonly VERSION=1.0.0
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readonly SUCCESS_MESSAGE='OK - all healthchecks passed'
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readonly CHECKS=(script-runs)
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# emit <format> <template> [args...]: the single output path.
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# format: text or json print; none suppresses (--quiet). Explicit argument,
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# never read from an enclosing variable.
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emit() {
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local format=$1
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shift
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[ "$format" = none ] || printf "$@"
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}
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# now_us: current time in microseconds. Strips any locale decimal separator.
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now_us() { printf '%s' "${EPOCHREALTIME//[!0-9]/}"; }
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# elapsed_ms <start-us>: whole milliseconds since <start-us>.
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elapsed_ms() { printf '%s' "$(( ($(now_us) - $1) / 1000 ))"; }
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main() {
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local start_us
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start_us=$(now_us)
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local quiet=
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local json=
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local summary=
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local -a results=()
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local timing=
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local strict=
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local unknown=
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for arg in "$@"; do
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if [ "$arg" = --help ]; then
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emit text 'Usage: %s [--quiet] [--json] [--summary] [--timing] [--strict] [--list-checks]\n\n' "${0##*/}"
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emit text 'Healthcheck script for Orchestra E2E tests.\n'
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emit text 'Exits 0 with a success message if all checks pass.\n'
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emit text ' --quiet Suppress the success message; still exits 0.\n'
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emit text ' --list-checks Print the name of each check; exits 0.\n'
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emit text ' --summary Print one line per check before the success message.\n'
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emit text ' --timing Print elapsed milliseconds for each check.\n'
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emit text ' --strict Reject an unrecognised flag: exits 2.\n'
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emit text 'Version: %s\n' "$VERSION"
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exit 0
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elif [ "$arg" = --list-checks ]; then
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for name in "${CHECKS[@]}"; do
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emit text '%s\n' "$name"
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done
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exit 0
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elif [ "$arg" = --quiet ]; then
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quiet=1
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elif [ "$arg" = --json ]; then
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json=1
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elif [ "$arg" = --summary ]; then
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summary=1
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elif [ "$arg" = --timing ]; then
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timing=1
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elif [ "$arg" = --strict ]; then
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strict=1
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else
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[ -n "$unknown" ] || unknown=$arg
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fi
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done
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if [ -n "$strict" ] && [ -n "$unknown" ]; then
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printf 'unknown flag: %s\n' "$unknown" >&2
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exit 2
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fi
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results+=("healthcheck ok")
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local format=text
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[ -n "$quiet" ] && format=none
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[ -n "$json" ] && format=json
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local -a TIMINGS=()
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TIMINGS+=("healthchecks=$(elapsed_ms "$start_us")")
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if [ "$format" = json ]; then
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local timings=
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if [ -n "$timing" ]; then
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local sep=
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for t in "${TIMINGS[@]}"; do
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timings+="$sep\"${t%%=*}\":${t#*=}"
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sep=,
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done
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timings=",\"timings\":{$timings}"
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fi
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emit "$format" '{"status":"ok","checks":%d%s}\n' "${#CHECKS[@]}" "$timings"
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exit 0
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fi
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if [ -n "$summary" ]; then
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for r in "${results[@]}"; do
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emit "$format" '%s: %s\n' "${r%% *}" "${r#* }"
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done
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fi
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if [ -n "$timing" ]; then
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for t in "${TIMINGS[@]}"; do
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emit "$format" '%s: %sms\n' "${t%%=*}" "${t#*=}"
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done
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fi
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emit "$format" '%s\n' "$SUCCESS_MESSAGE"
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exit 0
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}
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main "$@"
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