Initial service configuration

Author: tedivm

provisioning/etc/gitconsensus/celery

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+
+# Where does gitconsensus live
+CELERY_HOME="/opt/gitconsensus"
+
+# Name of nodes to start
+# here we have a single node
+CELERYD_NODES="w1"
+# or we could have three nodes:
+#CELERYD_NODES="w1 w2 w3"
+
+# Absolute or relative path to the 'celery' command:
+CELERY_BIN="/opt/gitconsensus/venv/bin/celery"
+#CELERY_BIN="/virtualenvs/def/bin/celery"
+
+# App instance to use
+# comment out this line if you don't use an app
+CELERY_APP="gitconsensusservice.celery"
+# or fully qualified:
+#CELERY_APP="proj.tasks:app"
+
+# How to call manage.py
+CELERYD_MULTI="multi"
+
+# Extra command-line arguments to the worker
+CELERYD_OPTS="--time-limit=120 --concurrency=4"
+
+# - %n will be replaced with the first part of the nodename.
+# - %I will be replaced with the current child process index
+#   and is important when using the prefork pool to avoid race conditions.
+CELERYD_PID_FILE="/var/run/celery/%n.pid"
+CELERYD_LOG_FILE="/var/log/celery/%n%I.log"
+CELERYD_LOG_LEVEL="INFO"

provisioning/etc/systemd/system/gitconsensusworker.service

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+[Unit]
+Description=GitConsensus Service
+After=network.target
+
+[Service]
+Type=forking
+User=gitconsensus
+Group=gitconsensus
+EnvironmentFile=-/etc/gitconsensus/celery
+WorkingDirectory=${CELERY_HOME}
+ExecStart=/bin/sh -c 'source ${CELERY_HOME}/venv/bin/activate && ${CELERY_BIN} multi start ${CELERYD_NODES} -A ${CELERY_APP} --pidfile=${CELERYD_PID_FILE} --logfile=${CELERYD_LOG_FILE} --loglevel=${CELERYD_LOG_LEVEL} ${CELERYD_OPTS}'
+ExecStop=/bin/sh -c 'source ${CELERY_HOME}/venv/bin/activate && ${CELERY_BIN} multi stopwait ${CELERYD_NODES} --pidfile=${CELERYD_PID_FILE}'
+ExecReload=/bin/sh -c 'source ${CELERY_HOME}/venv/bin/activate && ${CELERY_BIN} multi restart ${CELERYD_NODES} -A ${CELERY_APP} --pidfile=${CELERYD_PID_FILE} --logfile=${CELERYD_LOG_FILE} --loglevel=${CELERYD_LOG_LEVEL} ${CELERYD_OPTS}'
+
+[Install]
+WantedBy=multi-user.target

provisioning/setup.sh

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+#!/usr/bin/env bash
+
+if [[ -L "${BASH_SOURCE[0]}" ]]
+then
+  DIR="$( cd "$( dirname $( readlink "${BASH_SOURCE[0]}" ) )" && pwd )"
+else
+  DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+fi
+
+cd $DIR
+
+cp $DIR/etc/systemd/system/gitconsensusworker.service /etc/systemd/system/gitconsensusworker.service
+cp $DIR/etc/gitconsensus/celery /etc/gitconsensus/celery
+
+
+adduser --gecos "" --disabled-login gitconsensus
+
+echo "d /var/run/celery 0755 celery celery -" >> /etc/tmpfiles.d/celery.conf
+echo "d /var/log/celery 0755 celery celery - " >> /etc/tmpfiles.d/celery.conf
+