ci: wait-for-url.sh — curl with retry

2026-04-25 02:37:50 +03:00
parent 24358fd3e3
commit 2727dead6a
2 changed files with 75 additions and 0 deletions
@@ -0,0 +1,36 @@
+#!/usr/bin/env bash
+# wait-for-url.sh — curl with retry until success or attempts exhausted.
+#
+# Usage: wait-for-url.sh <url> [<max-attempts>] [<delay-seconds>]
+# Env (optional): BASIC_AUTH_USER, BASIC_AUTH_PASS — if set, sent as basic auth.
+set -euo pipefail
+
+URL="${1:-}"
+MAX_ATTEMPTS="${2:-30}"
+DELAY="${3:-2}"
+
+if [ -z "$URL" ]; then
+  echo "usage: $0 <url> [<max-attempts>] [<delay-seconds>]" >&2
+  exit 2
+fi
+
+# bash 3.2-safe: expand array only when non-empty.
+AUTH_ARGS=()
+if [ -n "${BASIC_AUTH_USER:-}" ] && [ -n "${BASIC_AUTH_PASS:-}" ]; then
+  AUTH_ARGS=(--user "${BASIC_AUTH_USER}:${BASIC_AUTH_PASS}")
+fi
+
+attempt=1
+while [ "$attempt" -le "$MAX_ATTEMPTS" ]; do
+  if curl -fsS ${AUTH_ARGS[@]+"${AUTH_ARGS[@]}"} -o /dev/null "$URL"; then
+    echo "ok: $URL ($attempt attempt(s))"
+    exit 0
+  fi
+  if [ "$attempt" -lt "$MAX_ATTEMPTS" ]; then
+    sleep "$DELAY"
+  fi
+  attempt=$((attempt + 1))
+done
+
+echo "fail: $URL did not return 2xx after $MAX_ATTEMPTS attempts" >&2
+exit 1
@@ -0,0 +1,39 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+SCRIPT="$(cd "$(dirname "$0")/../.." && pwd)/scripts/ci/wait-for-url.sh"
+[ -x "$SCRIPT" ] || { echo "FAIL: $SCRIPT not executable"; exit 1; }
+
+# Spin up a tiny HTTP server on a random free port.
+PORT=$(python3 -c 'import socket; s=socket.socket(); s.bind(("",0)); print(s.getsockname()[1]); s.close()')
+TMPDIR=$(mktemp -d)
+echo "ok" > "$TMPDIR/index.html"
+( cd "$TMPDIR" && python3 -m http.server "$PORT" >/dev/null 2>&1 ) &
+SERVER_PID=$!
+trap "kill $SERVER_PID 2>/dev/null; rm -rf $TMPDIR" EXIT
+
+# Wait for server to come up
+for _ in 1 2 3 4 5 6 7 8 9 10; do
+  if curl -fsS "http://127.0.0.1:$PORT/" >/dev/null 2>&1; then break; fi
+  sleep 0.2
+done
+
+# 200 case — should pass quickly
+"$SCRIPT" "http://127.0.0.1:$PORT/" 5 1 || { echo "FAIL: expected 200 to succeed"; exit 1; }
+
+# 404 case — script should fail (curl -f returns non-zero on 4xx)
+if "$SCRIPT" "http://127.0.0.1:$PORT/no-such-path" 3 1 2>/dev/null; then
+  echo "FAIL: expected 404 to fail"; exit 1
+fi
+
+# Network failure case — wrong port
+if "$SCRIPT" "http://127.0.0.1:1/" 2 1 2>/dev/null; then
+  echo "FAIL: expected unreachable URL to fail"; exit 1
+fi
+
+# Bad usage
+if "$SCRIPT" 2>/dev/null; then
+  echo "FAIL: expected usage error"; exit 1
+fi
+
+echo "PASS: wait-for-url.sh"