1
0
mirror of https://github.com/LaCasemate/fab-manager.git synced 2024-12-10 21:24:20 +01:00
fab-manager/scripts/cve-2021-44228.sh

33 lines
927 B
Bash

#!/usr/bin/env bash
# This script fixes the log4j CVE-2021-44228 vulnerability for instances using Elasticsearch 5.x
yq() {
docker run --rm -i -v "${PWD}:/workdir" --user "$UID" mikefarah/yq:4 "$@"
}
config() {
SERVICE="$(yq eval '.services.*.image | select(. == "elasticsearch:5*") | path | .[-2]' docker-compose.yml)"
if [ -z "$SERVICE" ]; then
echo "No Elasticsearch 5 image found in docker-compose.yml"
exit 0
fi
}
add_var() {
HAS_OPTS="$(yq eval ".services.$SERVICE.environment | .[] | select(. == \"ES_JAVA_OPTS*\")" docker-compose.yml)"
if [ -z "$HAS_OPTS" ]; then
yq -i eval ".services.$SERVICE.environment += \"ES_JAVA_OPTS=-Dlog4j2.formatMsgNoLookups=true\"" docker-compose.yml
else
yq -i eval "(.services.$SERVICE.environment | .[] | select(. == \"ES_JAVA_OPTS*\")) += \" -Dlog4j2.formatMsgNoLookups=true\"" docker-compose.yml
fi
}
proceed()
{
config
add_var
}
proceed "$@"