From d6e30533d7730331452c5f61a98c9d1eec486a0b Mon Sep 17 00:00:00 2001
From: "Suren A. Chilingaryan" <csa@suren.me>
Date: Wed, 28 Aug 2019 19:43:26 +0200
Subject: OpenShift support

---
 Dockerfile | 59 ++++++++++++++++++++++++++++++++++++++++++++++-------------
 1 file changed, 46 insertions(+), 13 deletions(-)

(limited to 'Dockerfile')

diff --git a/Dockerfile b/Dockerfile
index c87f487..fd9120e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,24 +1,57 @@
-FROM ubuntu:14.04
+FROM alpine:latest
 
-MAINTAINER Leo Unbekandt <leo@scalingo.com>
+MAINTAINER Suren Chilingaryan <csa@suren.me>
 
-RUN adduser --system --home /var/lib/munin --shell /bin/false --uid 1103 --group munin
+ENV SUPERCRONIC_URL=https://github.com/aptible/supercronic/releases/download/v0.1.8/supercronic-linux-amd64 \
+    SUPERCRONIC=supercronic-linux-amd64 \
+    SUPERCRONIC_SHA1SUM=be43e64c45acd6ec4fce5831e03759c89676a0ea
 
-RUN apt-get update -qq && RUNLEVEL=1 DEBIAN_FRONTEND=noninteractive \
-    apt-get install -y -qq cron munin munin-node nginx wget heirloom-mailx patch spawn-fcgi libcgi-fast-perl
-RUN rm /etc/nginx/sites-enabled/default && mkdir -p /var/cache/munin/www && chown munin:munin /var/cache/munin/www && mkdir -p /var/run/munin && chown -R munin:munin /var/run/munin
+VOLUME /munin
+#Only small temporary files, doesn't need volume
+#VOLUME /var/lib/nginx
 
-VOLUME /var/lib/munin
-VOLUME /var/log/munin
+RUN  packages="munin nginx wget heirloom-mailx patch spawn-fcgi perl-cgi-fast curl busybox-extras font-adobe-75dpi"; \
+    apk update && apk upgrade && apk add --no-cache $packages \
+ && curl -fsSLO "$SUPERCRONIC_URL" \
+ && echo "${SUPERCRONIC_SHA1SUM}  ${SUPERCRONIC}" | sha1sum -c - \
+ && chmod +x "$SUPERCRONIC" \
+ && mv "$SUPERCRONIC" "/usr/local/bin/${SUPERCRONIC}" \
+ && ln -s "/usr/local/bin/${SUPERCRONIC}" /usr/local/bin/supercronic
 
 ADD ./munin.conf /etc/munin/munin.conf
 ADD ./nginx.conf /etc/nginx/nginx.conf
 ADD ./nginx-munin /etc/nginx/sites-enabled/munin
-ADD ./start-munin.sh /munin
-ADD ./munin-graph-logging.patch /usr/share/munin
-ADD ./munin-update-logging.patch /usr/share/munin
+ADD ./start-munin.sh /munin.sh
+ADD ./munin-graph-logging.patch /usr/lib/munin
+ADD ./munin-update-logging.patch /usr/lib/munin
 
-RUN cd /usr/share/munin && patch munin-graph < munin-graph-logging.patch && patch munin-update < munin-update-logging.patch
+# rsyslog is not actually used, but I keep here configuration just in case
+# Nginx always creates error_log in /var/log/nginx, but doesn't write there if other locating is configured
+RUN \
+    #sed -i -e 's|^$FileOwner|#$FileOwner|' "/etc/rsyslog.conf" && \
+    #sed -i -e 's|^$FileGroup|#$FileGroup|' "/etc/rsyslog.conf" && \
+    #sed -i -e 's|^$PrivDrop|#$PrivDrop|' "/etc/rsyslog.conf" && \
+    #sed -i -e 's|^$ModLoad imuxsock|#$ModLoad imuxsock|' "/etc/rsyslog.conf" && \
+    #sed -i -e 's|^$ModLoad imklog|#$ModLoad imklog|' "/etc/rsyslog.conf" && \
+    \
+    rm -rf /var/log/nginx && \
+    ln -s /tmp /var/log/nginx && \
+    ln -s /tmp /var/lib/nginx/logs && \
+    rm -f /etc/nginx/conf.d/default.conf && \
+    rm -f /etc/nginx/sites-enabled/default && \
+    \
+    ln -s /usr/share/webapps/munin/cgi /usr/lib/munin/cgi && \
+    cd /usr/lib/munin && patch munin-graph < munin-graph-logging.patch && patch munin-update < munin-update-logging.patch && \
+    sed -re "/@[[:alnum:]]+/ d; s|munin if|if|" /etc/munin/munin.cron.sample > /etc/munin/munin.cron && \
+    \
+    bash -c "mkdir -p /munin/{db,run,log,www/cache}" && \
+    ln -s ../www/cache /munin/db/cgi-tmp && \
+    rm -rf /var/lib/munin/cgi-tmp && \
+    ln -s /munin/www/cache /var/lib/munin/cgi-tmp && \
+    \
+    chgrp -R root /munin /etc/munin/munin.conf /var/tmp/nginx /var/lib/nginx && \
+    chmod -R g+rw /munin /etc/munin/munin.conf /var/tmp/nginx  && \
+    for name in "/var/tmp/nginx /munin/"; do find $name -type d -print0 | xargs -0 chmod g+x; done
 
 EXPOSE 8080
-CMD ["bash", "/munin"]
+CMD ["bash", "/munin.sh"]
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