Add collection script to repository

This will be wrapped in a thin shell that sets up the private environment
variables on the server.

Author: Mark-Simulacrum

collector/collect.sh

@@ -0,0 +1,27 @@
+#!/bin/bash
+
+# This script expects SITE_URL and DATABASE to be defined in the environment
+
+set -u -o pipefail
+
+echo "Running collector targeting $SITE_URL"
+
+export RUST_LOG=collector=trace,collector::sysroot=debug
+export PATH="/home/collector/.cargo/bin:$PATH"
+
+while : ; do
+        cargo +nightly build --release -p collector
+
+        touch todo-artifacts
+        for x in $(cat todo-artifacts) ; do
+                echo "Benching $x from todo-artifacts"
+                target/release/collector bench_published $x --db $DATABASE;
+        done
+        rm todo-artifacts
+        touch todo-artifacts
+
+        target/release/collector bench_next $SITE_URL --self-profile --db $DATABASE;
+        test $? -gt 0 && echo "sleeping 30 seconds -- failure detected" && sleep 30;
+        echo sleeping for 30sec at `date`;
+        sleep 30;
+done