Fix controller crash caused by glog attempting to write to /tmp (#94)

Dockerfile.dev

@@ -0,0 +1,6 @@
+####################################################################################################
+# argo-rollouts-dev
+####################################################################################################
+FROM scratch
+COPY dist/rollouts-controller-linux-amd64 /bin/rollouts-controller
+ENTRYPOINT [ "/bin/rollouts-controller" ]

Gopkg.toml

@@ -27,3 +27,7 @@ required = [
 [[override]]
   name = "k8s.io/apiserver"
   branch = "release-1.12"
+
+[[override]]
+  name = "k8s.io/apimachinery"
+  branch = "release-1.12"

Makefile

@@ -9,6 +9,9 @@ GIT_TAG=$(shell if [ -z "`git status --porcelain`" ]; then git describe --exact-
 GIT_TREE_STATE=$(shell if [ -z "`git status --porcelain`" ]; then echo "clean" ; else echo "dirty"; fi)
 TEST_CMD=$(shell [ "`which gotestsum`" != "" ] && echo gotestsum -- || echo go test)
 
+# build development images
+DEV_IMAGE=false
+
 override LDFLAGS += \
   -X ${PACKAGE}.version=${VERSION} \
   -X ${PACKAGE}.buildDate=${BUILD_DATE} \
@@ -57,7 +60,12 @@ builder-image:
 
 .PHONY: image
 image:
+ifeq ($(DEV_IMAGE), true)
+	CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -v -i -ldflags '${LDFLAGS}' -o ${DIST_DIR}/rollouts-controller-linux-amd64 ./cmd/rollouts-controller
+	docker build -t $(IMAGE_PREFIX)argo-rollouts:$(IMAGE_TAG) -f Dockerfile.dev .
+else
 	docker build -t $(IMAGE_PREFIX)argo-rollouts:$(IMAGE_TAG)  .
+endif
 	@if [ "$(DOCKER_PUSH)" = "true" ] ; then docker push $(IMAGE_PREFIX)argo-rollouts:$(IMAGE_TAG) ; fi
 
 .PHONY: lint

controller/controller.go

@@ -6,7 +6,6 @@ import (
 	"reflect"
 	"time"
 
-	"github.com/golang/glog"
 	"github.com/pkg/errors"
 	log "github.com/sirupsen/logrus"
 	appsv1 "k8s.io/api/apps/v1"
@@ -106,7 +105,7 @@ func NewController(
 	utilruntime.Must(rolloutscheme.AddToScheme(scheme.Scheme))
 	log.Info("Creating event broadcaster")
 	eventBroadcaster := record.NewBroadcaster()
-	eventBroadcaster.StartLogging(glog.Infof)
+	eventBroadcaster.StartLogging(log.Infof)
 	eventBroadcaster.StartRecordingToSink(&typedcorev1.EventSinkImpl{Interface: kubeclientset.CoreV1().Events("")})
 	recorder := eventBroadcaster.NewRecorder(scheme.Scheme, corev1.EventSource{Component: controllerAgentName})
 	replicaSetControl := controller.RealRSControl{