7x31/mailcow-dockerized
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

[Watchdog] Find exact matches for service names, shuffle scaled services, check if ip is in mailcow network

Browse Source
This commit is contained in:
André
2018-05-26 22:19:17 +02:00
parent 46170668b5
commit a38424d3ad
2 changed files with 18 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

20
data/Dockerfiles/watchdog/watchdog.sh
View File

@@ -63,14 +63,26 @@ function mail_error() {
get_container_ip() {
# ${1} is container
CONTAINER_ID=
CONTAINER_ID=()
CONTAINER_IP=
LOOP_C=1
until [[ ${CONTAINER_IP} =~ ^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$ ]] || [[ ${LOOP_C} -gt 5 ]]; do
sleep 1
CONTAINER_ID=$(curl --silent http://dockerapi:8080/containers/json | jq -r ".[] | {name: .Config.Labels[\"com.docker.compose.service\"], id: .Id}" | jq -rc "select( .name | tostring | contains(\"${1}\")) | .id")
sleep 0.5
# get long container id for exact match
CONTAINER_ID=($(curl --silent http://dockerapi:8080/containers/json | jq -r ".[] | {name: .Config.Labels[\"com.docker.compose.service\"], id: .Id}" | jq -rc "select( .name | tostring == \"${1}\") | .id"))
# returned id can have multiple elements (if scaled), shuffle for random test
CONTAINER_ID=($(printf "%s\n" "${CONTAINER_ID[@]}" | shuf))
if [[ ! -z ${CONTAINER_ID} ]]; then
CONTAINER_IP=$(curl --silent http://dockerapi:8080/containers/${CONTAINER_ID}/json | jq -r '.NetworkSettings.Networks[].IPAddress')
for matched_container in "${CONTAINER_ID[@]}"; do
CONTAINER_IP=$(curl --silent http://dockerapi:8080/containers/${matched_container}/json | jq -r '.NetworkSettings.Networks[].IPAddress')
# grep will do nothing if one of these vars is empty
[[ -z ${CONTAINER_IP} ]] && continue
[[ -z ${IPV4_NETWORK} ]] && continue
# only return ips that are part of our network
if ! grep -q ${IPV4_NETWORK} <(echo ${CONTAINER_IP}); then
CONTAINER_IP=
fi
done
fi
LOOP_C=$((LOOP_C + 1))
done