add deploy directory

Contains a quick and dirty solution to build with fpm.

deploy/before-install.sh

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+#!/bin/bash
+
+name=pydtm
+getent group $name >/dev/null 2>&1 \
+    || groupadd -r $name >/dev/null 2>&1 \
+    || true
+getent passwd $name >/dev/null 2>&1 \
+    || useradd  -g $name -c "$name service" \
+        -d /var/lib/$name -M -s /sbin/nologin -r \
+        -G video $name >/dev/null 2>&1 \
+    || true

deploy/build.sh

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+#/bin/bash
+
+release=${RELEASE:-0}
+# TODO: read from git tags?
+if [ -z "$VERSION" ]; then
+  echo '$VERSION not set, exiting' 1>&2
+  exit 1
+fi
+
+# build root filesystem
+root=$(mktemp -d)
+install -m 0755 -d $root/{lib/systemd/system,etc,usr/bin,var/lib/pydtm}
+install -m 0644 pydtm.service $root/lib/systemd/system/
+install -m 0644 pydtm.env $root/etc/
+install -m 0755 -T ../pydtm.py $root/usr/bin/pydtm
+
+# build package
+fpm -s dir -t deb -n pydtm -v $VERSION-$release -C $root \
+    --description "carbon API server"                    \
+    --before-install before-install.sh                   \
+    -d python                                            \
+    etc lib usr var

deploy/pydtm.env

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+# Environment File for pydtm
+
+# PYDTM_ADAPTER=0
+# PYDTM_CARBON=localhost:2003
+# PYDTM_DEBUG is not set by default
+# PYDTM_FREQUENCIES=546:256,554:256,562:64,650:64
+# PYDTM_PREFIX=docsis
+# PDTM_STEP=60
+# PYDTM_TUNER=0

deploy/pydtm.service

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+[Unit]
+Description=pydtm - Python (Euro)DOCSIS Traffic Meter
+After=syslog.target network.target
+
+[Service]
+User=pydtm
+EnvironmentFile=/etc/pydtm.env
+ExecStart=/usr/bin/pydtm
+Restart=on-failure
+
+[Install]
+WantedBy=multi-user.target