gistfile1.txt

#!/usr/bin/env bash
set -euox pipefail

GO_VERSION=1.16.3
PORT=8181

function log {
  local msg="$1"
  echo -e "$\033[32m$(date +'%Y-%m-%d %H:%M:%S') $1 $\033[0;39m"
}

trap 'jobs -p | xargs kill || true; exit 0' INT TERM EXIT

log "Turning off CVO and etcd-operator"
oc scale --replicas 0 -n openshift-cluster-version deployments/cluster-version-operator || true
oc scale --replicas 0 -n openshift-etcd-operator deployments/etcd-operator || true
oc delete -n openshift-etcd-operator configmaps/openshift-cluster-etcd-operator-lock || true

log "Waiting for debug container to be ready"
(oc debug --namespace openshift-etcd-operator --container etcd-operator deployments/etcd-operator -- /usr/bin/sleep 1d) &
while true; do
  oc wait --for=condition=Ready --namespace openshift-etcd-operator pod/etcd-operator-debug && break
done
(oc port-forward --namespace openshift-etcd-operator pod/etcd-operator-debug $PORT) &

if [ ! -f "/tmp/dlv-linux-${GO_VERSION}" ]; then
  log "Building delve"
  docker run --mount type=bind,source=/tmp,target=/tmp  --name dlv golang:${GO_VERSION} go get github.com/go-delve/delve/cmd/dlv
  docker cp dlv:/go/bin/dlv /tmp/dlv-linux-${GO_VERSION}
  docker rm dlv
fi

log "Copying delve to the operator container"
oc cp /tmp/dlv-linux-${GO_VERSION} openshift-etcd-operator/etcd-operator-debug:/usr/bin/dlv --container etcd-operator

log "Remove old operator binary"
rm -f /tmp/etcd-operator-linux-amd64

if [ ! -f "/tmp/etcd-operator-linux-amd64" ]; then
  log "Building operator linux binary"
  GO_GCFLAGS='-gcflags=all="-N -l"' GOFLAGS=-mod=vendor GOOS=linux GOARCH=amd64 go build -o /tmp/etcd-operator-linux-amd64 ./cmd/cluster-etcd-operator
fi

log "Copying operator binary to operator container"
oc cp /tmp/etcd-operator-linux-amd64 openshift-etcd-operator/etcd-operator-debug:/usr/bin/cluster-etcd-operator-debug --container etcd-operator

log "Starting operator process"
oc exec --namespace openshift-etcd-operator etcd-operator-debug -c etcd-operator -- dlv --listen=:$PORT --log --headless=true --api-version=2 --accept-multiclient exec /usr/bin/cluster-etcd-operator-debug -- operator --config=/var/run/configmaps/config/config.yaml -v=2