badblocks/docker-easy-haproxy
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First Kubernetes implementation

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This commit is contained in:
Joao M 2022-08-23 01:06:16 +00:00
parent eb5f7e313f
commit bbf3dca6fd
5 changed files with 183 additions and 22 deletions
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46
assets/scripts/haproxy-reload.sh
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@ -6,11 +6,6 @@ cd /scripts
RELOAD="true"
if [[ "static|docker|swarm" != *"$EASYHAPROXY_DISCOVER"* ]];then
log "error" "CONF_CHECK" "EASYHAPROXY_DISCOVER should be 'static', 'docker', or 'swarm'. I got '$EASYHAPROXY_DISCOVER' instead."
exit 1
fi
if [[ "$EASYHAPROXY_DISCOVER" == "static" ]]; then
CONTROL_FILE="/etc/haproxy/haproxy.cfg"
touch ${CONTROL_FILE}
@ -22,27 +17,40 @@ else
mv ${CONTROL_FILE} ${CONTROL_FILE}.old
touch ${CONTROL_FILE}
if [[ "$EASYHAPROXY_DISCOVER" == "docker" ]]; then
CONTAINERS=$(docker ps -q | sort | uniq)
LABEL_PATH=".Config.Labels"
case "$EASYHAPROXY_DISCOVER" in
docker)
CONTAINERS=$(docker ps -q | sort | uniq)
LABEL_PATH=".Config.Labels"
for container in ${CONTAINERS}; do
docker inspect --format "{{ json $LABEL_PATH }}" ${container} | xargs -I % echo ${container}=% >> ${CONTROL_FILE}
done
else
CONTAINERS=$(docker node ps $(docker node ls -q) --format "{{ .Name }}" --filter desired-state=running | cut -d. -f1 | sort | uniq)
LABEL_PATH=".Spec.Labels"
for container in ${CONTAINERS}; do
docker inspect --format "{{ json $LABEL_PATH }}" ${container} | xargs -I % echo ${container}=% >> ${CONTROL_FILE}
done
;;
for container in ${CONTAINERS}; do
docker service inspect --format "{{ json $LABEL_PATH }}" ${container} | xargs -I % echo ${container}=% >> ${CONTROL_FILE}
done
fi
swarm)
CONTAINERS=$(docker node ps $(docker node ls -q) --format "{{ .Name }}" --filter desired-state=running | cut -d. -f1 | sort | uniq)
LABEL_PATH=".Spec.Labels"
for container in ${CONTAINERS}; do
docker service inspect --format "{{ json $LABEL_PATH }}" ${container} | xargs -I % echo ${container}=% >> ${CONTROL_FILE}
done
;;
kubernetes)
python3 /scripts/k8s.py > ${CONTROL_FILE}
;;
*)
log "error" "CONF_CHECK" "EASYHAPROXY_DISCOVER should be 'static', 'docker', 'swarm' or kubernetes. I got '$EASYHAPROXY_DISCOVER' instead."
exit 1
;;
esac
if cmp -s ${CONTROL_FILE} ${CONTROL_FILE}.old ; then
RELOAD="false"
else
python3 swarm.py > /etc/haproxy/haproxy.cfg
log "info" "CONF_CHECK" "New configuration found"
log "info" "CONF_CHECK" "New configuration found"
fi
fi