Merge pull request #95 from AnalogJ/instant_collector

docker/Dockerfile

@@ -34,7 +34,7 @@ ENV PATH="/scrutiny/bin:${PATH}"
 ADD https://github.com/dshearer/jobber/releases/download/v1.4.4/jobber_1.4.4-1_amd64.deb /tmp/
 RUN apt install /tmp/jobber_1.4.4-1_amd64.deb
 
-RUN apt-get update && apt-get install -y smartmontools=7.0-0ubuntu1~ubuntu18.04.1 ca-certificates  && update-ca-certificates
+RUN apt-get update && apt-get install -y smartmontools=7.0-0ubuntu1~ubuntu18.04.1 ca-certificates curl && update-ca-certificates
 
 ADD https://github.com/just-containers/s6-overlay/releases/download/v1.21.8.0/s6-overlay-amd64.tar.gz /tmp/
 RUN tar xzf /tmp/s6-overlay-amd64.tar.gz -C /

rootfs/etc/services.d/collector-once/run

@@ -0,0 +1,14 @@
+#!/usr/bin/with-contenv bash
+
+echo "waiting for scrutiny service to start"
+s6-svwait -u /var/run/s6/services/scrutiny
+
+#tell s6 to only run this script once
+s6-svc -O /var/run/s6/services/collector-once
+
+# wait until scrutiny is "Ready"
+while [[ "$(curl -s -o /dev/null -w ''%{http_code}'' http://localhost:8080/api/health)" != "200" ]]; do sleep 5; done
+
+
+echo "starting scrutiny collector"
+/scrutiny/bin/scrutiny-collector-metrics run