From 4caf30c37e986c0f8a70591571d1e4c9fd94ce42 Mon Sep 17 00:00:00 2001
From: Linus Nordberg <linus@nordberg.se>
Date: Wed, 1 Apr 2015 22:14:13 +0200
Subject: Dockerfile for merge, first cut.

---
 packaging/docker/catlfish-merge/Dockerfile | 35 ++++++++++++++++++++++++++++++
 packaging/docker/catlfish-merge/merge.sh   | 30 +++++++++++++++++++++++++
 2 files changed, 65 insertions(+)
 create mode 100644 packaging/docker/catlfish-merge/Dockerfile
 create mode 100755 packaging/docker/catlfish-merge/merge.sh

diff --git a/packaging/docker/catlfish-merge/Dockerfile b/packaging/docker/catlfish-merge/Dockerfile
new file mode 100644
index 0000000..82b46fa
--- /dev/null
+++ b/packaging/docker/catlfish-merge/Dockerfile
@@ -0,0 +1,35 @@
+# Docker file for catlfish merge.
+#
+# $ docker run \
+#	-v /etc/catlfish:/usr/local/etc/catlfish \
+#	-v /var/local/db/catlfish-merge:/var/local/db/catlfish-merge \
+#	catlfish-merge
+
+FROM base
+RUN apt-get update
+RUN echo 'debconf debconf/frontend select noninteractive' | debconf-set-selections
+RUN apt-get -y -q install python-ecdsa python-yaml
+
+WORKDIR /usr/local/src
+RUN git clone https://git.nordu.net/catlfish.git
+
+# Config dir and database dir are mounted from host using `-v' to
+# 'docker run'.
+VOLUME /usr/local/etc/catlfish
+VOLUME /var/local/db/catlfish-merge
+
+# We run from /var/run/catlfish.
+RUN mkdir /var/run/catlfish
+RUN chgrp daemon /var/run/catlfish
+RUN chmod 775 /var/run/catlfish
+
+# Copy merge.sh.
+RUN mkdir -p /usr/local/catlfish/bin
+ADD merge.sh /usr/local/catlfish/bin/
+
+# Don't run as root.
+USER daemon
+
+# Start merge.sh
+WORKDIR /var/run/catlfish
+CMD ["/usr/local/catlfish/bin/merge.sh", "300", "1200", "/var/local/db/catlfish-merge"]
diff --git a/packaging/docker/catlfish-merge/merge.sh b/packaging/docker/catlfish-merge/merge.sh
new file mode 100755
index 0000000..f1f3b5c
--- /dev/null
+++ b/packaging/docker/catlfish-merge/merge.sh
@@ -0,0 +1,30 @@
+#! /bin/sh
+
+# Default intervals
+# - 5m before first merge
+# - 20m between subsequent merges
+S1=300; [ -n "$1" ] && S1=$1
+S2=1200; [ -n "$2" ] && S2=$2
+
+DBDIR="$3"
+
+if ! [ -d "$DBDIR" ]; then
+    rm -rf $DBDIR
+    mkdir $DBDIR
+    mkdir $DBDIR/chains
+    touch $DBDIR/logorder
+fi
+
+date
+echo "merge: waiting $(expr $S1 / 60)m$(expr $S1 % 60)s before merging for the first time"
+sleep $S1
+
+while true; do
+    echo "$0: merging"
+    date
+    python /usr/local/src/catlfish/tools/merge.py \
+           --config /usr/local/etc/catlfish/system.cfg \
+           --localconfig /usr/local/etc/catlfish/merge.cfg
+    echo "merge: waiting $(expr $S2 / 60)m$(expr $S2 % 60)s before merging again"
+    sleep $S2
+done
-- 
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