Improve healthcheck

healthcheck/data/http

@@ -0,0 +1,47 @@
+#!/usr/bin/sh
+
+set -e
+cd /opt/ || exit
+
+hc_url="https://hc-ping.com/$HTTP_HC_UID"
+error=""
+
+alias curl_hc='curl -LA "$USER_AGENT" --retry 3'
+
+check_url ()
+{
+	url="https://$1"
+    echo "checking url $url ..."
+    dig A "$1" >/dev/null
+    if curl_hc -sSf "$url" >/dev/null 2>&1
+    then
+		echo "... good"
+	else
+        result=$(curl -Lv "$url" 2>&1)
+		error=$(printf "%s\n==========\n%s:\n%s" "$error" "$url" "$result")
+		echo "... bad"
+    fi
+}
+
+check_url "analytics.serguzim.me"
+check_url "auth.serguzim.me"
+check_url "ci.serguzim.me"
+check_url "cloud.serguzim.me"
+check_url "git.serguzim.me"
+check_url "graph.serguzim.me"
+check_url "hook.serguzim.me"
+check_url "mail.serguzim.me"
+check_url "msrg.cc"
+check_url "prometheus.serguzim.me/-/healthy"
+check_url "registry.serguzim.me"
+check_url "rss.serguzim.me"
+check_url "serguzim.me"
+check_url "wiki.serguzim.me"
+check_url "www.reitanlage-oranienburg.de"
+
+if [ "$error" = "" ]
+then
+    curl_hc "$hc_url"
+else
+	curl_hc --data-raw "$error" "$hc_url/fail"
+fi