Pr v1alpha2 further refactorings (kubernetes-sigs#455)

* further refactorings for v1alpha2

* test fix & define targets for prow

* regen & fix typo in log message

* fix tests

* fix gen examples

* minor renaming,

* nil pointer fix

* implement machinedeployment

* fix tests

* review fixes

.dockerignore

@@ -0,0 +1,9 @@
+.git
+.github
+.vscode
+bin/
+config/
+hack/
+docs/
+examples/
+**/.md

.gitignore

@@ -96,6 +96,7 @@ network_closure.sh
 
 # User cluster configs
 .kubeconfig
+kubeconfig
 
 .tags*
 

.golangci.yml

@@ -0,0 +1,21 @@
+linters:
+  enable:
+    - golint
+    - govet
+    - gofmt
+    - structcheck
+    - varcheck
+    - interfacer
+    - unconvert
+    - ineffassign
+    - goconst
+    - misspell
+    - nakedret
+    - prealloc
+    - deadcode
+  disable-all: true
+  # Run with --fast=false for more extensive checks
+  fast: true
+issue:
+  max-same-issues: 0
+  max-per-linter: 0

Dockerfile

@@ -41,20 +41,19 @@
 # Build the manager binary
 FROM golang:1.12.9
 
-# default the go proxy
+# Run this with docker build --build_arg $(go env GOPROXY) to override the goproxy
 ARG goproxy=https://proxy.golang.org
-
-# run this with docker build --build_arg $(go env GOPROXY) to override the goproxy
 ENV GOPROXY=$goproxy
 
 WORKDIR /workspace
+# Copy the Go Modules manifests
 COPY go.mod go.mod
 COPY go.sum go.sum
-# cache deps before building and copying source so that we don't need to re-download as much
+# Cache deps before building and copying source so that we don't need to re-download as much
 # and so that source changes don't invalidate our downloaded layer
 RUN go mod download
 
-# Copy the go source
+# Copy the sources
 COPY main.go main.go
 COPY api/ api/
 COPY controllers/ controllers/