dragonfly/build/images/base

Base image

Base Image for Debugging

Build Base Image

docker build -t dragonflyoss/base:bpftrace-v0.13.0-go-v1.20.1 -f Dockerfile .

Run Debug Container

BASE_IMAGE=dragonflyoss/base:bpftrace-v0.13.0-go-v1.20.1

# run debug container
docker run -ti -v /usr/src:/usr/src:ro \
    -v /lib/modules/:/lib/modules:ro \
    -v /sys/kernel/debug/:/sys/kernel/debug:rw \
    --net=host --pid=host --privileged \
    ${BASE_IMAGE}

Build Dragonfly Images

# tags for condition compiling
export GOTAGS="debug"
# gcflags for dlv
export GOGCFLAGS="all=-N -l"
# base image
export BASE_IMAGE=dragonflyoss/base:bpftrace-v0.13.0-go-v1.20.1

make docker-build

Debug With Delve

Prepare Code for Debug

COMMIT_ID=c1c3d652
mkdir -p /go/src/d7y.io/dragonfly
git clone https://github.com/dragonflyoss/Dragonfly2.git /go/src/d7y.io/dragonfly/v2
git reset --hard ${COMMIT_ID}

Debug Operations

1. Attach Process

   pid=$(pidof scheduler) # or dfget, manager
   dlv attach $pid
   

2. Debug

   Follow https://github.com/go-delve/delve/tree/v1.7.0/Documentation/cli