Add curl, govc, and vmware upload script for quicker nodes updates

Dockerfile

@@ -12,7 +12,11 @@ run apt-get update \
 run yes |apt-get install -y grub2 grub-pc-bin grub-efi-amd64-bin \
  && apt-get clean
 
-run apt-get install -y ca-certificates \
+run apt-get install -y ca-certificates curl \
  && apt-get clean
 
+run curl -L https://github.com/vmware/govmomi/releases/download/v0.21.0/govc_linux_amd64.gz | gunzip > /bin/govc && chmod +x /bin/govc
+
+copy upload-vmware.sh govc.env /var/lib/direktil/
+
 copy --from=build /go/bin/ /bin/

govc.env

@@ -0,0 +1,8 @@
+export GOVC_DATACENTER=
+export GOVC_PASSWORD=
+export GOVC_URL=
+export GOVC_USERNAME=
+export GOVC_INSECURE=1
+export GOVC_DATASTORE=
+export NOVIT_VM_FOLDER=
+export NOVIT_ISO_FOLDER=

upload-vmware.sh

@@ -0,0 +1,28 @@
+set -e
+
+dir=/var/lib/direktil/
+PATH=$PATH:$dir
+cd $dir
+
+if [ ! -f govc.env ]; then
+    echo ERROR: govc.env file not found in dir $dir ; exit 1
+fi
+source govc.env
+
+if [ $# != 2 ]; then
+    echo "Usage: $0 <VM_NAME> <NOVIT_HOST>" ; exit 1
+fi
+
+if [[ -z $NOVIT_VM_FOLDER || -z $NOVIT_ISO_FOLDER ]]; then
+    echo "ERROR: All GOVC env vars (including NOVIT_VM_FOLDER and NOVIT_ISO_FOLDER) must be provided" ; exit 1
+fi
+
+VM=$1
+HOST=$2
+
+govc vm.power -off $NOVIT_VM_FOLDER/$VM || true
+sleep 5
+curl localhost:7606/hosts/$HOST/boot.iso | govc datastore.upload - $NOVIT_ISO_FOLDER/$VM.iso
+sleep 5
+govc vm.power -on $NOVIT_VM_FOLDER/$VM
+