Minor cleanup.

Author: Joshua Reed

.gitignore

@@ -9,6 +9,7 @@ testbin/*
 api/*/zz*generated.deepcopy.go
 
 nginx.conf
+nginx.conf.bak
 
 pkg/mocks/*
 !pkg/mocks/.keep

hack/add_addresses.sh

@@ -1,5 +1,9 @@
 #!/bin/bash
 
+# This is a very simple script that can be used to launch a load balancer and add addresses to it.
+
+# It does so by querying kubernetes and parsing the output via jq.
+
 while true; do
     ADDRESSES=$(kubectl get machine -o json | jq -r '.items[] | select(.metadata.labels."cluster.x-k8s.io/control-plane" != null) | .status | select(.addresses!=null) | .addresses[].address')
     if [[ $ADDRESSES != $OLD_ADDRESSES ]]; then
@@ -10,8 +14,8 @@ while true; do
             echo $ADDRESS
             sed -i.bak '/upstream kubeendpoints/a\'$'\n'$'\t''server '$ADDRESS':6443 max_fails=3 fail_timeout=10s;'$'\n' nginx.conf
         done
-        docker stop nginx-container || echo
-        docker rm nginx-container || echo
+        docker stop nginx-container &> /dev/null || echo
+        docker rm nginx-container &> /dev/null || echo
         docker run --name=nginx-container --rm -p 8082:8082 -v $(pwd)/nginx.conf:/etc/nginx/nginx.conf nginx &
     fi
     OLD_ADDRESSES=$ADDRESSES 

hack/nginx.conf

@@ -44,6 +44,7 @@ http {
 stream {
     upstream kubeendpoints {
 
+        # The following is the format for adding a kubernetes upstream endpoint.
         # server <server1 IP>:6443 max_fails=3 fail_timeout=10s;
         # server <server2 IP>:6443 max_fails=3 fail_timeout=10s;
     }

hack/setup_for_dev.sh

@@ -0,0 +1,9 @@
+#!/bin/sh
+
+# Source this file for local dev.
+
+export IMG=localhost:5000/cluster-api-provider-cloudstack:latest
+export PROJECT_DIR=`pwd`
+export KUBEBUILDER_ASSETS=$PROJECT_DIR/bin
+export PATH=$PROJECT_DIR/bin:$PATH
+export ACK_GINKGO_DEPRECATIONS=1.16.4