config_worker.sh.template

#!/bin/sh
apk add curl jq sudo vim
rancher_server="__RANCHER_SERVER__"
admin_password="__ADMIN_PASSWORD__"
cluster_name="__CLUSTER_NAME__"
ROLEFLAGS="__ROLEFLAGS__"

# https://github.com/rancher/rancher/issues/12205#issuecomment-385661588
mount --make-rshared /

# Login
while true; do
    LOGINRESPONSE=$(curl \
        -s "https://$rancher_server/v3-public/localProviders/local?action=login" -H 'content-type: application/json' --data-binary '{"username":"admin","password":"'$admin_password'"}' --insecure)
    LOGINTOKEN=$(echo $LOGINRESPONSE | jq -r .token)

    if [ -n "$LOGINTOKEN" ]; then
        break
    else
        sleep 5
    fi
done

# Test if cluster is created
while true; do
  CLUSTERID=$(curl \
      -sLk \
      -H "Authorization: Bearer $LOGINTOKEN" \
      "https://$rancher_server/v3/clusters?name=$cluster_name" | jq -r '.data[].id')

  if [ -n "$CLUSTERID" ]; then
    break
  else
    sleep 5
  fi
done

# Get token
# Test if cluster is created
while true; do
  AGENTCMD=$(curl \
      -sLk \
      -H "Authorization: Bearer $LOGINTOKEN" \
      "https://$rancher_server/v3/clusterregistrationtoken?clusterId=$CLUSTERID" | jq -r '.data[].nodeCommand' | head -1)

  if [ -n "$AGENTCMD" ]; then
    break
  else
    sleep 5
  fi
done

# Show the command
COMPLETECMD="$AGENTCMD $ROLEFLAGS"
$COMPLETECMD