change minion to node for libvirt-coreos

cluster/libvirt-coreos/config-default.sh

@@ -26,25 +26,25 @@ export MASTER_IP="192.168.10.1"
 export INSTANCE_PREFIX=kubernetes
 export MASTER_NAME="${INSTANCE_PREFIX}-master"
 
-# Map out the IPs, names and container subnets of each minion
-export MINION_IP_BASE="192.168.10."
-MINION_CONTAINER_SUBNET_BASE="10.10"
+# Map out the IPs, names and container subnets of each node
+export NODE_IP_BASE="192.168.10."
+NODE_CONTAINER_SUBNET_BASE="10.10"
 MASTER_CONTAINER_NETMASK="255.255.255.0"
-MASTER_CONTAINER_ADDR="${MINION_CONTAINER_SUBNET_BASE}.0.1"
-MASTER_CONTAINER_SUBNET="${MINION_CONTAINER_SUBNET_BASE}.0.1/24"
-CONTAINER_SUBNET="${MINION_CONTAINER_SUBNET_BASE}.0.0/16"
+MASTER_CONTAINER_ADDR="${NODE_CONTAINER_SUBNET_BASE}.0.1"
+MASTER_CONTAINER_SUBNET="${NODE_CONTAINER_SUBNET_BASE}.0.1/24"
+CONTAINER_SUBNET="${NODE_CONTAINER_SUBNET_BASE}.0.0/16"
 if [[ "$NUM_MINIONS" -gt 253 ]]; then
-  echo "ERROR: Because of how IPs are allocated in ${BASH_SOURCE}, you cannot create more than 253 minions"
+  echo "ERROR: Because of how IPs are allocated in ${BASH_SOURCE}, you cannot create more than 253 nodes"
   exit 1
 fi
 for ((i=0; i < NUM_MINIONS; i++)) do
-  MINION_IPS[$i]="${MINION_IP_BASE}$((i+2))"
-  MINION_NAMES[$i]="${INSTANCE_PREFIX}-minion-$((i+1))"
-  MINION_CONTAINER_SUBNETS[$i]="${MINION_CONTAINER_SUBNET_BASE}.$((i+1)).1/24"
-  MINION_CONTAINER_ADDRS[$i]="${MINION_CONTAINER_SUBNET_BASE}.$((i+1)).1"
-  MINION_CONTAINER_NETMASKS[$i]="255.255.255.0"
+  NODE_IPS[$i]="${NODE_IP_BASE}$((i+2))"
+  NODE_NAMES[$i]="${INSTANCE_PREFIX}-node-$((i+1))"
+  NODE_CONTAINER_SUBNETS[$i]="${NODE_CONTAINER_SUBNET_BASE}.$((i+1)).1/24"
+  NODE_CONTAINER_ADDRS[$i]="${NODE_CONTAINER_SUBNET_BASE}.$((i+1)).1"
+  NODE_CONTAINER_NETMASKS[$i]="255.255.255.0"
 done
-MINION_CONTAINER_SUBNETS[$NUM_MINIONS]=$MASTER_CONTAINER_SUBNET
+NODE_CONTAINER_SUBNETS[$NUM_MINIONS]=$MASTER_CONTAINER_SUBNET
 
 SERVICE_CLUSTER_IP_RANGE=10.11.0.0/16  # formerly PORTAL_NET
 

cluster/libvirt-coreos/user_data.yml

@@ -46,7 +46,7 @@ coreos:
         Name=cbr0
 
         [Network]
-        Address=${MINION_CONTAINER_SUBNETS[$i]}
+        Address=${NODE_CONTAINER_SUBNETS[$i]}
 
         [Route]
         Destination=${CONTAINER_SUBNET}
@@ -113,4 +113,4 @@ coreos:
     reboot-strategy: off
 
 $( [[ ${type} =~ "master" ]] && render-template "$ROOT/user_data_master.yml" )
-$( [[ ${type} =~ "minion" ]] && render-template "$ROOT/user_data_minion.yml" )
+$( [[ ${type} =~ "node" ]] && render-template "$ROOT/user_data_minion.yml" )

cluster/libvirt-coreos/user_data_minion.yml

@@ -15,7 +15,7 @@ coreos:
         [Service]
         ExecStart=/opt/kubernetes/bin/kubelet \
         --address=0.0.0.0 \
-        --hostname-override=${MINION_IPS[$i]} \
+        --hostname-override=${NODE_IPS[$i]} \
         --api-servers=http://${MASTER_IP}:8080 \
         $( [[ "$ENABLE_CLUSTER_DNS" == "true" ]] && echo "--cluster-dns=${DNS_SERVER_IP}" ) \
         $( [[ "$ENABLE_CLUSTER_DNS" == "true" ]] && echo "--cluster-domain=${DNS_DOMAIN}" ) \

cluster/libvirt-coreos/util.sh

@@ -46,9 +46,9 @@ function detect-master {
   echo "KUBE_MASTER: $KUBE_MASTER"
 }
 
-# Get minion IP addresses and store in KUBE_MINION_IP_ADDRESSES[]
-function detect-minions {
-  KUBE_MINION_IP_ADDRESSES=("${MINION_IPS[@]}")
+# Get node IP addresses and store in KUBE_NODE_IP_ADDRESSES[]
+function detect-nodes {
+  KUBE_NODE_IP_ADDRESSES=("${NODE_IPS[@]}")
 }
 
 # Verify prereqs on host machine
@@ -166,9 +166,9 @@ function wait-cluster-readiness {
 
   local timeout=120
   while [[ $timeout -ne 0 ]]; do
-    nb_ready_minions=$("${kubectl}" get nodes -o go-template="{{range.items}}{{range.status.conditions}}{{.type}}{{end}}:{{end}}" --api-version=v1 2>/dev/null | tr ':' '\n' | grep -c Ready || true)
-    echo "Nb ready minions: $nb_ready_minions / $NUM_MINIONS"
-    if [[ "$nb_ready_minions" -eq "$NUM_MINIONS" ]]; then
+    nb_ready_nodes=$("${kubectl}" get nodes -o go-template="{{range.items}}{{range.status.conditions}}{{.type}}{{end}}:{{end}}" --api-version=v1 2>/dev/null | tr ':' '\n' | grep -c Ready || true)
+    echo "Nb ready nodes: $nb_ready_nodes / $NUM_MINIONS"
+    if [[ "$nb_ready_nodes" -eq "$NUM_MINIONS" ]]; then
         return 0
     fi
 
@@ -182,7 +182,7 @@ function wait-cluster-readiness {
 # Instantiate a kubernetes cluster
 function kube-up {
   detect-master
-  detect-minions
+  detect-nodes
   gen-kube-bearertoken
   initialize-pool keep_base_image
   initialize-network
@@ -195,11 +195,11 @@ function kube-up {
     if [[ $i -eq $NUM_MINIONS ]]; then
         etcd2_initial_cluster[$i]="${MASTER_NAME}=http://${MASTER_IP}:2380"
     else
-        etcd2_initial_cluster[$i]="${MINION_NAMES[$i]}=http://${MINION_IPS[$i]}:2380"
+        etcd2_initial_cluster[$i]="${NODE_NAMES[$i]}=http://${NODE_IPS[$i]}:2380"
     fi
   done
   etcd2_initial_cluster=$(join , "${etcd2_initial_cluster[@]}")
-  readonly machines=$(join , "${KUBE_MINION_IP_ADDRESSES[@]}")
+  readonly machines=$(join , "${KUBE_NODE_IP_ADDRESSES[@]}")
 
   for (( i = 0 ; i <= $NUM_MINIONS ; i++ )); do
     if [[ $i -eq $NUM_MINIONS ]]; then
@@ -207,9 +207,9 @@ function kube-up {
         name=$MASTER_NAME
         public_ip=$MASTER_IP
     else
-      type=minion-$(printf "%02d" $i)
-      name=${MINION_NAMES[$i]}
-      public_ip=${MINION_IPS[$i]}
+      type=node-$(printf "%02d" $i)
+      name=${NODE_NAMES[$i]}
+      public_ip=${NODE_IPS[$i]}
     fi
     image=$name.img
     config=kubernetes_config_$type
@@ -263,7 +263,7 @@ function kube-push {
   kube-push-internal
   ssh-to-node "$MASTER_NAME" "sudo systemctl restart kube-apiserver kube-controller-manager kube-scheduler"
   for ((i=0; i < NUM_MINIONS; i++)); do
-    ssh-to-node "${MINION_NAMES[$i]}" "sudo systemctl restart kubelet kube-proxy"
+    ssh-to-node "${NODE_NAMES[$i]}" "sudo systemctl restart kubelet kube-proxy"
   done
   wait-cluster-readiness
 }
@@ -312,14 +312,14 @@ function ssh-to-node {
   local cmd="$2"
   local machine
 
-  if [[ "$node" == "$MASTER_IP" ]] || [[ "$node" =~ ^"$MINION_IP_BASE" ]]; then
+  if [[ "$node" == "$MASTER_IP" ]] || [[ "$node" =~ ^"$NODE_IP_BASE" ]]; then
       machine="$node"
   elif [[ "$node" == "$MASTER_NAME" ]]; then
       machine="$MASTER_IP"
   else
     for ((i=0; i < NUM_MINIONS; i++)); do
-        if [[ "$node" == "${MINION_NAMES[$i]}" ]]; then
-            machine="${MINION_IPS[$i]}"
+        if [[ "$node" == "${NODE_NAMES[$i]}" ]]; then
+            machine="${NODE_IPS[$i]}"
             break
         fi
     done