Initial commit

Dockerfile

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+FROM centos:7
+
+RUN curl -sSL http://dl.marmotte.net/rpms/redhat/el6/x86_64/storcli-1.16.06-2/storcli-1.16.06-2.x86_64.rpm > /tmp/storcli.rpm \
+&& rpm -ivh /tmp/storcli.rpm \
+&& rm /tmp/storcli.rpm
+
+ADD https://raw.githubusercontent.com/prometheus/node_exporter/v0.16.0/text_collector_examples/storcli.py /storcli.py
+COPY entrypoint.sh /
+
+ENTRYPOINT ["/entrypoint.sh"]

entrypoint.sh

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+#!/bin/bash
+usage() {
+    echo "usage: $0 <output_file> <interval>"
+    exit 2
+}
+[ $# -eq 2 ] || usage
+trap 'kill -TERM $child 2>/dev/null' SIGTERM
+while true; do
+    python /storcli.py > "$1" &
+    child=$!; wait $child
+    sleep "$2" &
+    child=$!; wait $child
+done