ECE found-shell script to disable indexer mode and migrations for the adminconsole container. Create this file, chmod +X it, run it with the bypass option (1), fix your env, run the script again with the cleanup option (2)

disable-adminconsole-indexer.sh

#!/bin/bash

set -e 
echo "=================================================================================================="
echo "NOTE: The script will set the Adminconsole to api-only mode (no indexer), so that"
echo "      migrations are bypassed and Adminconsole can boot for environment salvage operations."
echo "      Please run the same script with the cleanup option afterwards."
echo ""
echo "IMPORTANT: Until the cleanup script is run, adminconsole will not be able to index "
echo "           changes in the admin cluster, breaking the Deployments dashboard and "
echo "           other important functionality! Make sure to clean up after the "
echo "           environment is properly salvaged."
echo "=================================================================================================="

while true; do
    read -p "Enter 1 for Bypass or 2 for Cleanup: " ANSWER
    case $ANSWER in
        [1]* ) CREATE_BYPASS_BOOL=true; break;;
        [2]* ) CREATE_BYPASS_BOOL=false; break;;
        * ) echo "Please answer 1 or 2";;
    esac
done

cat <<EOF > disable-adminconsole-indexer.fssh
import scala.concurrent._
import scala.collection.JavaConverters._
import no.found.json.mapper
import com.fasterxml.jackson.databind.node._
def run(): Unit = {
  val disableIndexer = $CREATE_BYPASS_BOOL
  zk"/container_sets/admin-consoles/containers/admin-console".update { data =>
    println("Updating admin-console container set")
    if (disableIndexer) println("- Ensuring FOUND_ADMINCONSOLE_APP_ROLES env var is set to 'adminapi'")
    else println("- Ensuring FOUND_ADMINCONSOLE_APP_ROLES env var does not exist")
    val cset = data.deepCopy()
    val containerConfig = cset.path("container_config").asInstanceOf[ObjectNode]
    val env = containerConfig.path("Env").asInstanceOf[ArrayNode].asScala.toList.filterNot(_.asText.startsWith("FOUND_ADMINCONSOLE_APP_ROLES"))
    val newEnv = mapper.createArrayNode
    env.foreach(newEnv.add)
    if (disableIndexer) newEnv.add("FOUND_ADMINCONSOLE_APP_ROLES=adminapi")
    containerConfig.put("Env", newEnv)
    cset
  }.run().futureValue.value
}
run()
EOF

##################################

echo "Running found-shell script"
docker run --env SHELL_JAVA_OPTIONS='-Dfound.shell.exec=/hostpwd/disable-adminconsole-indexer.fssh' \
   -v $(pwd):/hostpwd -v ~/.found-shell:/elastic_cloud_apps/shell/.found-shell \
   -e ELASTIC_UID=$(id -u) -e ELASTIC_GID=$(id -g) \
   --env SHELL_ZK_AUTH=$(docker exec -it frc-directors-director bash -c 'echo -n $FOUND_ZK_READWRITE') $(docker inspect -f '{{ range .HostConfig.ExtraHosts }} --add-host {{.}} {{ end }}' frc-directors-director)  --rm -it $(docker inspect -f '{{ .Config.Image }}' frc-directors-director) \
   /elastic_cloud_apps/shell/run-shell.sh

echo "Removing admin-console container"
echo "NOTE: If this fails, log on to a Coordinator host and run 'docker rm -vf frc-admin-consoles-admin-console'"
docker rm -vf frc-admin-consoles-admin-console