Add vagrant support

cluster/vagrant/config-default.sh

@@ -31,9 +31,13 @@ MINION_TAG="${INSTANCE_PREFIX}-minion"
 
 # IP LOCATIONS FOR INTERACTING WITH THE MINIONS
 MINION_IP_BASE="10.245.2."
+declare -A VAGRANT_MINION_NAMES_BY_IP
+
 for (( i=0; i <${NUM_MINIONS}; i++)) do
   KUBE_MINION_IP_ADDRESSES[$i]="${MINION_IP_BASE}$[$i+2]"
   MINION_IP[$i]="${MINION_IP_BASE}$[$i+2]"
   MINION_NAMES[$i]="${MINION_IP[$i]}"
   VAGRANT_MINION_NAMES[$i]="minion-$[$i+1]"
+
+  VAGRANT_MINION_NAMES_BY_IP["${MINION_IP[$i]}"]="${VAGRANT_MINION_NAMES[$i]}"
 done

cluster/vagrant/provision-config.sh

@@ -33,3 +33,5 @@ MASTER_PASSWD=vagrant
 
 # Location to hold temp files for provision process
 KUBE_TEMP=/var/kube-temp
+
+PORTAL_NET=10.0.0.0/16

cluster/vagrant/provision-master.sh

@@ -75,6 +75,11 @@ grains:
     - kubernetes-master
 EOF
 
+mkdir -p /srv/salt-overlay/pillar
+cat <<EOF >/srv/salt-overlay/pillar/cluster-params.sls
+  portal_net: $PORTAL_NET
+EOF
+
 # Configure the salt-master
 # Auto accept all keys from minions that try to join
 mkdir -p /etc/salt/master.d

cluster/vagrant/util.sh

@@ -143,3 +143,16 @@ function get-password {
   export KUBE_PASSWORD=vagrant
   echo "Using credentials: $KUBE_USER:$KUBE_PASSWORD"
 }
+
+# SSH to a node by name ($1) and run a command ($2).
+function ssh-to-node {
+  local node="$1"
+  local cmd="$2"
+  local machine="${VAGRANT_MINION_NAMES_BY_IP[${node}]}"
+  vagrant ssh "${machine}" -c "${cmd}" | grep -v "Connection to.*closed"
+}
+
+# Restart the kube-proxy on a node ($1)
+function restart-kube-proxy {
+  ssh-to-node "$1" "sudo systemctl restart kube-proxy"
+}