102 lines
2.6 KiB
Bash
Executable File
102 lines
2.6 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Usage: ./scripts/fetch-year.sh YEAR [--reverse]
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# Fetches sequentially; prints JSON responses to stdout and errors to stderr.
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set -euo pipefail
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reverse=false
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year=
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for arg in "$@"; do
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case "$arg" in
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--reverse) reverse=true ;;
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*)
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if [[ -n $year ]]; then
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echo "Usage: $0 YEAR [--reverse]" >&2
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exit 1
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fi
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year=$arg
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;;
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esac
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done
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if [[ -z $year ]]; then
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echo "Usage: $0 YEAR [--reverse]" >&2
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exit 1
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fi
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if [[ ! $year =~ ^[0-9]{4}$ || $year == 0000 ]]; then
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echo "YEAR must be a four-digit year from 0001 to 9999." >&2
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exit 1
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fi
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year_number=$((10#$year))
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days_in_month=(31 28 31 30 31 30 31 31 30 31 30 31)
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if (( year_number % 400 == 0 || (year_number % 4 == 0 && year_number % 100 != 0) )); then
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days_in_month[1]=29
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fi
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# Reuse a reachable service, or keep a port-forward alive while fetching.
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service_ready() {
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curl --fail --silent --output /dev/null --connect-timeout 1 --max-time 2 \
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'http://localhost:4101/api/health'
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}
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forward_pid=
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cleanup() {
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if [[ -n $forward_pid ]]; then
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kill "$forward_pid" 2>/dev/null || true
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wait "$forward_pid" 2>/dev/null || true
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fi
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}
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trap cleanup EXIT
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trap 'exit 130' INT
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trap 'exit 143' TERM
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if ! service_ready; then
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if ! command -v kubectl >/dev/null 2>&1; then
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echo "Service unavailable on localhost:4101 and kubectl is not installed." >&2
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exit 1
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fi
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echo "Starting kubectl port-forward for sejs/btcdata..." >&2
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kubectl -n sejs port-forward svc/btcdata 4101:4101 >&2 &
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forward_pid=$!
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ready=false
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for (( attempt = 0; attempt < 30; attempt++ )); do
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if ! kill -0 "$forward_pid" 2>/dev/null; then
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echo "Port-forward exited before the service became ready." >&2
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exit 1
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fi
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if service_ready; then
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ready=true
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break
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fi
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sleep 1
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done
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if [[ $ready != true ]]; then
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echo "Timed out waiting for the service on localhost:4101." >&2
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exit 1
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fi
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fi
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# Generate dates without relying on platform-specific date command options.
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status=0
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for (( month_index = 0; month_index < 12; month_index++ )); do
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month=$((month_index + 1))
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if [[ $reverse == true ]]; then
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month=$((12 - month_index))
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fi
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days=${days_in_month[month - 1]}
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for (( day_index = 0; day_index < days; day_index++ )); do
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day=$((day_index + 1))
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if [[ $reverse == true ]]; then
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day=$((days - day_index))
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fi
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printf -v date '%s-%02d-%02d' "$year" "$month" "$day"
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if ! curl --fail --silent --show-error -X GET \
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"http://localhost:4101/api/price/day/$date" \
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-H "accept: application/json" --write-out '\n'; then
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echo "Failed to fetch $date" >&2
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status=1
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fi
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done
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done
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exit "$status"
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