搭建 Istio 源码调试环境

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# docker 地址
export HUB="docker.io/youwillsee"

# istio 的源码目录
export ISTIO=/root/code/istio

# docker 的 tag
export TAG=1.17-debug

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# 构建 debug 的版本，会输出在 out 目录下
make DEBUG=1 build

# 构建 debug 的版本，推到本地的 docker 中
make DEBUG=1 docker

# 推送到远端的 docker 中
make docker.push

# 清理
make clean

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# 找到 pid
ps -ef | grep pilot-discovery

# attach pid
dlv --listen=:2345 --headless=true --api-version=2 --accept-multiclient attach 172965

# 使用 IDE 远程连接
GOland -> go remote

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# BASE_DISTRIBUTION is used to switch between the old base distribution and distroless base images
ARG BASE_DISTRIBUTION=debug

# Version is the base image version from the TLD Makefile
ARG BASE_VERSION=latest
ARG ISTIO_BASE_REGISTRY=gcr.io/istio-release

# The following section is used as base image if BASE_DISTRIBUTION=debug
FROM ${ISTIO_BASE_REGISTRY}/base:${BASE_VERSION} as debug

# The following section is used as base image if BASE_DISTRIBUTION=distroless
FROM ${ISTIO_BASE_REGISTRY}/distroless:${BASE_VERSION} as distroless

# Add dlv
FROM golang:1.20 AS build-dlv
ENV GOPROXY=https://goproxy.io,direct
RUN go install github.com/go-delve/delve/cmd/dlv@latest

# This will build the final image based on either debug or distroless from above
# hadolint ignore=DL3006
FROM ${BASE_DISTRIBUTION:-debug}

ARG TARGETARCH
COPY ${TARGETARCH:-amd64}/pilot-discovery /usr/local/bin/pilot-discovery

# Copy templates for bootstrap generation.
COPY envoy_bootstrap.json /var/lib/istio/envoy/envoy_bootstrap_tmpl.json
COPY gcp_envoy_bootstrap.json /var/lib/istio/envoy/gcp_envoy_bootstrap_tmpl.json
COPY --from=build-dlv /go/bin/dlv /

USER 1337:1337

ENTRYPOINT ["/dlv", "--listen=:1234", "--headless=true", "--api-version=2", "--accept-multiclient", "exec", "/usr/local/bin/pilot-discovery", "--"]

#ENTRYPOINT ["/usr/local/bin/pilot-discovery"]