Keep eagle logs following through deployments (#8689)

2026-07-28 22:55:41 +00:00 · 2026-07-17 19:27:59 -07:00
parent 36915b8184
commit fb74935ad9
2 changed files with 187 additions and 25 deletions
@@ -0,0 +1,85 @@
+#!/bin/bash
+
+set -euo pipefail
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+TEST_DIR=$(mktemp -d)
+trap 'rm -rf "$TEST_DIR"' EXIT
+
+FAKE_BIN="${TEST_DIR}/bin"
+APP_DIR="${TEST_DIR}/app"
+STATE_FILE="${TEST_DIR}/state"
+CALLS_FILE="${TEST_DIR}/calls"
+OUTPUT_FILE="${TEST_DIR}/output"
+mkdir -p "$FAKE_BIN" "$APP_DIR"
+
+cat > "${FAKE_BIN}/docker" <<'EOF'
+#!/bin/bash
+
+set -euo pipefail
+
+case "$1" in
+    inspect)
+        container=${@: -1}
+        state=$(cat "$EAGLE_LOGS_TEST_STATE_FILE")
+        if { [ "$state" = "blue" ] && [ "$container" = "eagle-blue" ]; } ||
+            { [ "$state" = "green" ] && [ "$container" = "eagle-green" ]; }; then
+            echo true
+        else
+            echo false
+        fi
+        ;;
+    logs)
+        container=${@: -1}
+        printf '%s\n' "$*" >> "$EAGLE_LOGS_TEST_CALLS_FILE"
+        if [ "$container" = "eagle-blue" ]; then
+            echo "last blue log"
+            echo "eagle-green" > "$EAGLE_LOGS_TEST_ACTIVE_FILE"
+            echo "green" > "$EAGLE_LOGS_TEST_STATE_FILE"
+        else
+            echo "first green log"
+        fi
+        ;;
+    *)
+        echo "Unexpected docker command: $*" >&2
+        exit 1
+        ;;
+esac
+EOF
+chmod +x "${FAKE_BIN}/docker"
+
+export EAGLE_LOGS_TEST_STATE_FILE="$STATE_FILE"
+export EAGLE_LOGS_TEST_CALLS_FILE="$CALLS_FILE"
+export EAGLE_LOGS_TEST_ACTIVE_FILE="${APP_DIR}/.active-instance"
+
+echo "blue" > "$STATE_FILE"
+echo "eagle-blue" > "${APP_DIR}/.active-instance"
+
+PATH="${FAKE_BIN}:$PATH" APP_DIR="$APP_DIR" "${SCRIPT_DIR}/eagle-logs.sh" --no-follow -n 25
+grep -q '^logs -n 25 eagle-blue$' "$CALLS_FILE"
+
+: > "$CALLS_FILE"
+echo "blue" > "$STATE_FILE"
+echo "eagle-blue" > "${APP_DIR}/.active-instance"
+PATH="${FAKE_BIN}:$PATH" APP_DIR="$APP_DIR" EAGLE_LOGS_RETRY_INTERVAL_SECONDS=0.01 \
+    "${SCRIPT_DIR}/eagle-logs.sh" -n 10 > "$OUTPUT_FILE" 2>&1 &
+FOLLOW_PID=$!
+
+for _ in $(seq 1 100); do
+    if grep -q 'first green log' "$OUTPUT_FILE"; then
+        break
+    fi
+    sleep 0.01
+done
+
+kill "$FOLLOW_PID" 2>/dev/null || true
+wait "$FOLLOW_PID" 2>/dev/null || true
+
+grep -q 'EAGLE LOG STREAM DISCONNECTED' "$OUTPUT_FILE"
+grep -q 'EAGLE LOG STREAM RESUMED' "$OUTPUT_FILE"
+grep -q 'last blue log' "$OUTPUT_FILE"
+grep -q 'first green log' "$OUTPUT_FILE"
+grep -q '^logs --follow -n 10 eagle-blue$' "$CALLS_FILE"
+grep -Eq '^logs --follow -n 10 --since [0-9]+ eagle-green$' "$CALLS_FILE"
+
+echo "eagle-logs tests passed"