devcontainer k8s wip

1_devcontainer.json

// For format details, see https://aka.ms/vscode-remote/devcontainer.json or the definition README at
// https://github.com/microsoft/vscode-dev-containers/tree/master/containers/go
{
	"name": "Go",
	"dockerFile": "Dockerfile",
	"runArgs": [
		// Uncomment the next line to use a non-root user. On Linux, this will prevent
		// new files getting created as root, but you may need to update the USER_UID
		// and USER_GID in .devcontainer/Dockerfile to match your user if not 1000.
		// "-u", "vscode",
		"--cap-add=SYS_PTRACE",
		"--security-opt",
		"seccomp=unconfined",

		"--name", "kubernetesdevcontainer",
		// Mount go mod cache
		"-v", "k8s-gomodcache:/go/pkg",
		"-v", "k8s-bazelcache:/root/.cache/bazel/",
		// Cache vscode exentsions installs and homedir
		"-v", "k8s-vscodecache:/root/.vscode-server",
		// Keep command history 
		"-v", "k8s-bashhistory:/root/commandhistory",
		// Mount docker socket for docker builds
		"-v", "/var/run/docker.sock:/var/run/docker.sock",
		// Use host network
		"--network=host",
		// Mount ssh 
		"-v", "${env:HOME}${env:USERPROFILE}/.ssh:/root/.ssh",
		"-v", "/tmp:/tmp",
		// Mount azure, git and docker config
		"-v", "${env:HOME}${env:USERPROFILE}/.azure:/root/.azure",
		"-v", "${env:HOME}${env:USERPROFILE}/.gitconfig:/root/.gitconfig", // Required due to volume mount used for .vscode-server
	],
	"workspaceFolder": "/go/src/k8s.io/kubernetes",
	"workspaceMount": "src=${localWorkspaceFolder},dst=/go/src/k8s.io/kubernetes,type=bind",
	// Use 'settings' to set *default* container specific settings.json values on container create. 
	// You can edit these settings after create using File > Preferences > Settings > Remote.
	"settings": {
		"terminal.integrated.shell.linux": "/bin/bash",
		"go.gopath": "/go",
		"go.useLanguageServer": true,
		"[go]": {
			"editor.snippetSuggestions": "none",
			"editor.formatOnSave": true,
			"editor.codeActionsOnSave": {
				"source.organizeImports": true,
			}
		},
		"gopls": {
			"usePlaceholders": true, // add parameter placeholders when completing a function
			// Experimental settings
			"completeUnimported": true, // autocomplete unimported packages
			"watchFileChanges": true, // watch file changes outside of the editor
			"deepCompletion": true, // enable deep completion
		},
		"files.eol": "\n", // formatting only supports LF line endings		
	},
	// Uncomment the next line if you want to publish any ports.
	// "appPort": [],
	// Uncomment the next line to run commands after the container is created.
	// "postCreateCommand": "go version",
	// Add the IDs of extensions you want installed when the container is created in the array below.
	"extensions": [
		"ms-vscode.go"
	]
}

2_Dockerfile

FROM golang:1.13-stretch

# Avoid warnings by switching to noninteractive
ENV DEBIAN_FRONTEND=noninteractive

# This Dockerfile adds a non-root 'vscode' user with sudo access. However, for Linux,
# this user's GID/UID must match your local user UID/GID to avoid permission issues
# with bind mounts. Update USER_UID / USER_GID if yours is not 1000. See
# https://aka.ms/vscode-remote/containers/non-root-user for details.
ARG USERNAME=vscode
ARG USER_UID=1000
ARG USER_GID=$USER_UID

ENV GO111MODULE=on

# Configure apt, install packages and tools
RUN apt-get update \
    && apt-get -y install --no-install-recommends apt-utils dialog rsync \
    # bazel stuff
    && apt-get -y install openjdk-8-jdk pkg-config zip g++ zlib1g-dev unzip patch \
    #
    # Verify git, process tools, lsb-release (common in install instructions for CLIs) installed
    && apt-get -y install git iproute2 procps lsb-release \
    #
    # Install Azure CLI
    && curl -sL https://aka.ms/InstallAzureCLIDeb | bash \
    #
    # Clean up
    && apt-get autoremove -y \
    && apt-get clean -y \
    && rm -rf /var/lib/apt/lists/*

ENV GIT_PROMPT_START='\033[1;36mkube-devcon>\033[0m\033[0;33m\w\a\033[0m'

# Save command line history 
RUN echo "export HISTFILE=/root/commandhistory/.bash_history" >> "/root/.bashrc" \
    && echo "export PROMPT_COMMAND='history -a'" >> "/root/.bashrc" \
    && mkdir -p /root/commandhistory \
    && touch /root/commandhistory/.bash_history
    
# Git command prompt
RUN git clone https://github.com/magicmonty/bash-git-prompt.git ~/.bash-git-prompt --depth=1 \
    && echo "if [ -f \"$HOME/.bash-git-prompt/gitprompt.sh\" ]; then GIT_PROMPT_ONLY_IN_REPO=1 && source $HOME/.bash-git-prompt/gitprompt.sh; fi" >> "/root/.bashrc"


ENV DEVCONTAINER="TRUE"

# Install docker used by go releaser
RUN bash -c "cd /tmp && curl -fsSLO https://download.docker.com/linux/static/stable/x86_64/docker-19.03.5.tgz && tar --strip-components=1 -xvzf docker-19.03.5.tgz -C /usr/local/bin"

# Install Go tools
RUN \
    # --> Delve for debugging
    go get github.com/go-delve/delve/cmd/dlv@v1.3.2 \
    # --> Go language server
    && go get golang.org/x/tools/gopls@v0.3.2 \
    # --> Go symbols and outline for go to symbol support and test support 
    && go get github.com/acroca/go-symbols@v0.1.1 && go get github.com/ramya-rao-a/go-outline@7182a932836a71948db4a81991a494751eccfe77 \
    && rm -rf /go/src/ && rm -rf /go/pkg

# Install K8s stuff we need
RUN \
    # Build and install kubetest from test infra
    git clone https://github.com/kubernetes/test-infra.git && cd test-infra && GO111MODULE=on go install ./kubetest \
    # Install kind
    && curl -Lo ./kind "https://github.com/kubernetes-sigs/kind/releases/download/v0.7.0/kind-linux-amd64" \
	&& chmod +x ./kind \ 
	&& mv ./kind /usr/local/bin/kind \
    # Install bazel 
    && wget -O bazelinstaller.sh https://github.com/bazelbuild/bazel/releases/download/2.1.0/bazel-2.1.0-installer-linux-x86_64.sh  \
    && chmod +x bazelinstaller.sh \
    && ./bazelinstaller.sh \
    # Install required bazel version (may change)
    && curl -LO https://releases.bazel.build/0.23.2/release/bazel-0.23.2-linux-x86_64 && chmod +x bazel-0.23.2-linux-x86_64 && cp bazel-0.23.2-linux-x86_64 /usr/local/lib/bazel/bin \
    # Install kubectl
    && curl -sSL -o /usr/local/bin/kubectl https://storage.googleapis.com/kubernetes-release/release/v1.16.2/bin/linux/amd64/kubectl \
    && chmod +x /usr/local/bin/kubectl


# Configure bash
RUN echo "alias kindbuild='kind build node-image --type bazel -v 5 --image lawrencegripper/node:\$(git rev-list --max-count=1 HEAD) && kind create cluster --name lg --image lawrencegripper/node:\$(git rev-list --max-count=1 HEAD)'" >> ~/.bashrc
RUN echo "source /etc/bash_completion" >> "/root/.bashrc" 
RUN echo "alias k=kubectl" >> "/root/.bashrc"
RUN echo "source <(kubectl completion bash)" >> "/root/.bashrc"
RUN echo "source <(kubectl completion bash | sed 's/kubectl/k/g')" >> "/root/.bashrc"

kind build node-image --type bazel -v 5 --image kindest/node:lawrence
kind create cluster --name lg --image kindest/node:lawrence