initial checkin
diff --git a/containers/nagios/Dockerfile b/containers/nagios/Dockerfile
new file mode 100644
index 0000000..c33f71c
--- /dev/null
+++ b/containers/nagios/Dockerfile
@@ -0,0 +1,63 @@
+FROM cpuguy83/ubuntu
+ENV NAGIOS_HOME /opt/nagios
+ENV NAGIOS_USER nagios
+ENV NAGIOS_GROUP nagios
+ENV NAGIOS_CMDUSER nagios
+ENV NAGIOS_CMDGROUP nagios
+ENV NAGIOSADMIN_USER nagiosadmin
+ENV NAGIOSADMIN_PASS nagios
+ENV APACHE_RUN_USER nagios
+ENV APACHE_RUN_GROUP nagios
+ENV NAGIOS_TIMEZONE UTC
+
+RUN sed -i 's/universe/universe multiverse/' /etc/apt/sources.list
+RUN apt-get update && apt-get install -y iputils-ping netcat build-essential snmp snmpd snmp-mibs-downloader php5-cli apache2 libapache2-mod-php5 runit bc postfix bsd-mailx
+RUN ( egrep -i "^${NAGIOS_GROUP}" /etc/group || groupadd $NAGIOS_GROUP ) && ( egrep -i "^${NAGIOS_CMDGROUP}" /etc/group || groupadd $NAGIOS_CMDGROUP )
+RUN ( id -u $NAGIOS_USER || useradd --system $NAGIOS_USER -g $NAGIOS_GROUP -d $NAGIOS_HOME ) && ( id -u $NAGIOS_CMDUSER || useradd --system -d $NAGIOS_HOME -g $NAGIOS_CMDGROUP $NAGIOS_CMDUSER )
+
+ADD http://downloads.sourceforge.net/project/nagios/nagios-3.x/nagios-3.5.1/nagios-3.5.1.tar.gz?r=http%3A%2F%2Fwww.nagios.org%2Fdownload%2Fcore%2Fthanks%2F%3Ft%3D1398863696&ts=1398863718&use_mirror=superb-dca3 /tmp/nagios.tar.gz
+RUN cd /tmp && tar -zxvf nagios.tar.gz && cd nagios && ./configure --prefix=${NAGIOS_HOME} --exec-prefix=${NAGIOS_HOME} --enable-event-broker --with-nagios-command-user=${NAGIOS_CMDUSER} --with-command-group=${NAGIOS_CMDGROUP} --with-nagios-user=${NAGIOS_USER} --with-nagios-group=${NAGIOS_GROUP} && make all && make install && make install-config && make install-commandmode && cp sample-config/httpd.conf /etc/apache2/conf.d/nagios.conf
+ADD http://www.nagios-plugins.org/download/nagios-plugins-1.5.tar.gz /tmp/
+RUN cd /tmp && tar -zxvf nagios-plugins-1.5.tar.gz && cd nagios-plugins-1.5 && ./configure --prefix=${NAGIOS_HOME} && make && make install
+
+RUN sed -i.bak 's/.*\=www\-data//g' /etc/apache2/envvars
+RUN export DOC_ROOT="DocumentRoot $(echo $NAGIOS_HOME/share)"; sed -i "s,DocumentRoot.*,$DOC_ROOT," /etc/apache2/sites-available/default
+
+RUN ln -s ${NAGIOS_HOME}/bin/nagios /usr/local/bin/nagios && mkdir -p /usr/share/snmp/mibs && chmod 0755 /usr/share/snmp/mibs && touch /usr/share/snmp/mibs/.foo
+
+RUN echo "use_timezone=$NAGIOS_TIMEZONE" >> ${NAGIOS_HOME}/etc/nagios.cfg && echo "SetEnv TZ \"${NAGIOS_TIMEZONE}\"" >> /etc/apache2/conf.d/nagios.conf
+
+RUN mkdir -p ${NAGIOS_HOME}/etc/conf.d && mkdir -p ${NAGIOS_HOME}/etc/monitor && ln -s /usr/share/snmp/mibs ${NAGIOS_HOME}/libexec/mibs
+RUN echo "cfg_dir=${NAGIOS_HOME}/etc/conf.d" >> ${NAGIOS_HOME}/etc/nagios.cfg
+RUN echo "cfg_dir=${NAGIOS_HOME}/etc/monitor" >> ${NAGIOS_HOME}/etc/nagios.cfg
+RUN download-mibs && echo "mibs +ALL" > /etc/snmp/snmp.conf
+
+RUN sed -i 's,/bin/mail,/usr/bin/mail,' /opt/nagios/etc/objects/commands.cfg && \
+ sed -i 's,/usr/usr,/usr,' /opt/nagios/etc/objects/commands.cfg
+RUN cp /etc/services /var/spool/postfix/etc/
+
+RUN mkdir -p /etc/sv/nagios && mkdir -p /etc/sv/apache && rm -rf /etc/sv/getty-5 && mkdir -p /etc/sv/postfix
+ADD nagios.init /etc/sv/nagios/run
+ADD apache.init /etc/sv/apache/run
+ADD postfix.init /etc/sv/postfix/run
+ADD postfix.stop /etc/sv/postfix/finish
+
+ADD start.sh /usr/local/bin/start_nagios
+
+# install slack alert notification plugin
+ADD slack_nagios.cfg ${NAGIOS_HOME}/etc/conf.d/slack_nagios.cfg
+ADD slack_nagios.sh /usr/local/bin/slack_nagios.sh
+RUN chmod +x /usr/local/bin/slack_nagios.sh
+
+ENV APACHE_LOCK_DIR /var/run
+ENV APACHE_LOG_DIR /var/log/apache2
+
+EXPOSE 80
+
+VOLUME /opt/nagios/var
+VOLUME /opt/nagios/etc
+VOLUME /opt/nagios/libexec
+VOLUME /var/log/apache2
+VOLUME /usr/share/snmp/mibs
+
+CMD ["/usr/local/bin/start_nagios"]
diff --git a/containers/nagios/README.md b/containers/nagios/README.md
new file mode 100644
index 0000000..e6c2c0e
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+++ b/containers/nagios/README.md
@@ -0,0 +1,14 @@
+## Docker-Nagios [](https://registry.hub.docker.com/u/cpuguy83/nagios)
+
+Basic Docker image for running Nagios.<br />
+This is running Nagios 3.5.1
+
+You should either link a mail container in as "mail" or set MAIL_SERVER, otherwise
+mail will not work.
+
+### Knobs ###
+- NAGIOSADMIN_USER=nagiosadmin
+- NAGIOSAMDIN_PASS=nagios
+
+### Web UI ###
+The Nagios Web UI is available on port 80 of the container<br />
diff --git a/containers/nagios/apache.init b/containers/nagios/apache.init
new file mode 100755
index 0000000..9cb9a38
--- /dev/null
+++ b/containers/nagios/apache.init
@@ -0,0 +1,4 @@
+#!/bin/bash
+. /etc/default/apache2
+
+exec /usr/sbin/apache2 -D FOREGROUND
diff --git a/containers/nagios/nagios.init b/containers/nagios/nagios.init
new file mode 100755
index 0000000..30448f9
--- /dev/null
+++ b/containers/nagios/nagios.init
@@ -0,0 +1,3 @@
+#!/bin/bash
+
+exec ${NAGIOS_HOME}/bin/nagios ${NAGIOS_HOME}/etc/nagios.cfg
diff --git a/containers/nagios/postfix.init b/containers/nagios/postfix.init
new file mode 100755
index 0000000..29bf50b
--- /dev/null
+++ b/containers/nagios/postfix.init
@@ -0,0 +1,9 @@
+#!/bin/bash
+
+: ${MAIL_SERVER=$MAIL_PORT_25_TCP_ADDR}
+
+
+sed -i "s/relayhost =.*/relayhost = ${MAIL_SERVER}/" /etc/postfix/main.cf
+sed -i "s/myhostname =.*/myhostname = `hostname`/" /etc/postfix/main.cf
+
+exec /usr/lib/postfix/master -d -c /etc/postfix
diff --git a/containers/nagios/postfix.stop b/containers/nagios/postfix.stop
new file mode 100755
index 0000000..50646e8
--- /dev/null
+++ b/containers/nagios/postfix.stop
@@ -0,0 +1 @@
+postfix stop
diff --git a/containers/nagios/slack_nagios.cfg b/containers/nagios/slack_nagios.cfg
new file mode 100644
index 0000000..8840c87
--- /dev/null
+++ b/containers/nagios/slack_nagios.cfg
@@ -0,0 +1,21 @@
+define contact {
+ contact_name slack
+ alias Slack
+ service_notification_period 24x7
+ host_notification_period 24x7
+ service_notification_options w,u,c,r
+ host_notification_options d,r
+ service_notification_commands notify-service-by-slack
+ host_notification_commands notify-host-by-slack
+}
+
+define command {
+ command_name notify-service-by-slack
+ command_line /usr/local/bin/slack_nagios.sh > /tmp/slack.log 2>&1
+}
+
+define command {
+ command_name notify-host-by-slack
+ command_line /usr/local/bin/slack_nagios.sh > /tmp/slack.log 2>&1
+}
+
diff --git a/containers/nagios/slack_nagios.sh b/containers/nagios/slack_nagios.sh
new file mode 100755
index 0000000..7c5e205
--- /dev/null
+++ b/containers/nagios/slack_nagios.sh
@@ -0,0 +1,46 @@
+#!/bin/bash
+
+# This script is used by Nagios to post alerts into a Slack channel
+# using the Incoming WebHooks integration. Create the channel, botname
+# and integration first and then add this notification script in your
+# Nagios configuration.
+#
+# All variables that start with NAGIOS_ are provided by Nagios as
+# environment variables when an notification is generated.
+# A list of the env variables is available here:
+# http://nagios.sourceforge.net/docs/3_0/macrolist.html
+#
+# More info on Slack
+# Website: https://slack.com/
+# Twitter: @slackhq, @slackapi
+#
+# My info
+# Website: http://matthewcmcmillan.blogspot.com/
+# Twitter: @matthewmcmillan
+
+#Modify these variables for your environment
+MY_NAGIOS_HOSTNAME="" # This server's hostname
+SLACK_HOSTNAME=""
+SLACK_CHANNEL="#alerts"
+SLACK_BOTNAME="nagios"
+WEBHOOK_URL="" # Incomming webhook url for the slack account
+
+#Set the message icon based on Nagios service state
+if [ "$NAGIOS_SERVICESTATE" = "CRITICAL" ]
+then
+ ICON=":exclamation:"
+elif [ "$NAGIOS_SERVICESTATE" = "WARNING" ]
+then
+ ICON=":warning:"
+elif [ "$NAGIOS_SERVICESTATE" = "OK" ]
+then
+ ICON=":white_check_mark:"
+elif [ "$NAGIOS_SERVICESTATE" = "UNKNOWN" ]
+then
+ ICON=":question:"
+else
+ ICON=":white_medium_square:"
+fi
+
+#Send message to Slack
+curl -X POST --data-urlencode "payload={\"channel\": \"${SLACK_CHANNEL}\", \"username\": \"${SLACK_USERNAME}\", \"text\": \"${ICON} HOST: ${MY_NAGIOS_HOSTNAME} SERVICE: ${NAGIOS_SERVICEDISPLAYNAME} MESSAGE: ${NAGIOS_SERVICEOUTPUT} <https://${MY_NAGIOS_HOSTNAME}/cgi-bin/nagios3/extinfo.cgi?type=1&host=${NAGIOS_HOSTNAME}|See Nagios>\"}" $WEBHOOK_URL
diff --git a/containers/nagios/start.sh b/containers/nagios/start.sh
new file mode 100755
index 0000000..f295e5b
--- /dev/null
+++ b/containers/nagios/start.sh
@@ -0,0 +1,10 @@
+#!/bin/bash
+
+if [ ! -f ${NAGIOS_HOME}/etc/htpasswd.users ] ; then
+ htpasswd -c -b -s ${NAGIOS_HOME}/etc/htpasswd.users ${NAGIOSADMIN_USER} ${NAGIOSADMIN_PASS}
+ chown -R nagios.nagios ${NAGIOS_HOME}/etc/htpasswd.users
+fi
+
+exec runsvdir /etc/sv
+
+/etc/init.d/apache2 start