Update Docker/Kubernetes configs to etcd v2.0.13.

docker/etcd-lite/Dockerfile

@@ -1,11 +1,5 @@
 # This image is only meant to be built from within the build.sh script.
 FROM debian:wheezy
 
-# Install dependencies
-RUN apt-get update \
- && DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends \
-    curl \
- && rm -rf /var/lib/apt/lists/*
-
 # Copy binaries (placed by build.sh)
-COPY base/etcd /usr/bin/
+COPY base/etcd base/etcdctl /usr/bin/

docker/etcd-lite/build.sh

@@ -5,10 +5,10 @@
 
 # Extract files from vitess/etcd image
 mkdir base
-sudo docker run -ti --rm -v $PWD/base:/base -u root vitess/etcd:v0.4.6 bash -c 'cp -R /go/bin/etcd /base/'
+sudo docker run -ti --rm -v $PWD/base:/base -u root vitess/etcd:v2.0.13 bash -c 'cp -R /go/bin/etcd /go/bin/etcdctl /base/'
 
 # Build vitess/etcd-lite image
-sudo docker build -t vitess/etcd:v0.4.6-lite .
+sudo docker build -t vitess/etcd:v2.0.13-lite .
 
 # Clean up temporary files
 sudo rm -rf base

docker/etcd/Dockerfile

@@ -8,7 +8,7 @@ FROM golang:1.4-wheezy
 
 RUN mkdir -p src/github.com/coreos && \
     cd src/github.com/coreos && \
-    curl -sL https://github.com/coreos/etcd/archive/v0.4.6.tar.gz | tar -xz && \
-    mv etcd-0.4.6 etcd && \
-    go install github.com/coreos/etcd
+    curl -sL https://github.com/coreos/etcd/archive/v2.0.13.tar.gz | tar -xz && \
+    mv etcd-2.0.13 etcd && \
+    go install github.com/coreos/etcd github.com/coreos/etcd/etcdctl
 CMD ["etcd"]

examples/kubernetes/etcd-controller-template.yaml

@@ -6,7 +6,7 @@ metadata:
     name: etcd
     cell: {{cell}}
 spec:
-  replicas: 3
+  replicas: {{replicas}}
   selector:
     name: etcd
     cell: {{cell}}
@@ -16,9 +16,16 @@ spec:
         name: etcd
         cell: {{cell}}
     spec:
+      volumes:
+        - name: certs
+          hostPath: {path: /etc/ssl/certs}
       containers:
         - name: etcd
-          image: vitess/etcd:v0.4.6-lite
+          image: vitess/etcd:v2.0.13-lite
+          volumeMounts:
+            - name: certs
+              readOnly: true
+              mountPath: /etc/ssl/certs
           command:
             - bash
             - "-c"
@@ -33,12 +40,16 @@ spec:
               local_etcd=${!local_etcd_host_var}:${!local_etcd_port_var}
 
               if [ "{{cell}}" != "global" ]; then
-              until curl -L http://$global_etcd/v2/keys/vt/cells/{{cell}}
-              -XPUT -d value=http://$local_etcd; do
+              until etcdctl -C "http://$global_etcd"
+              set "/vt/cells/{{cell}}" "http://$local_etcd"; do
               echo "[$(date)] waiting for global etcd to register cell '{{cell}}'";
               sleep 1;
               done;
               fi
 
-              etcd -name $HOSTNAME -peer-addr $ipaddr:7001 -addr $ipaddr:4001 -discovery {{discovery}}
+              etcd -name $HOSTNAME -discovery {{discovery}}
+              -advertise-client-urls http://$ipaddr:4001
+              -initial-advertise-peer-urls http://$ipaddr:7001
+              -listen-client-urls http://$ipaddr:4001
+              -listen-peer-urls http://$ipaddr:7001
 

examples/kubernetes/etcd-up.sh

@@ -13,10 +13,12 @@ set -e
 script_root=`dirname "${BASH_SOURCE}"`
 source $script_root/env.sh
 
+replicas=${ETCD_REPLICAS:-3}
+
 for cell in 'global' 'test'; do
   # Generate a discovery token.
   echo "Generating discovery token for $cell cell..."
-  discovery=$(curl -sL https://discovery.etcd.io/new)
+  discovery=$(curl -sL https://discovery.etcd.io/new?size=$replicas)
 
   # Create the client service, which will load-balance across all replicas.
   echo "Creating etcd service for $cell cell..."
@@ -24,10 +26,14 @@ for cell in 'global' 'test'; do
     sed -e "s/{{cell}}/$cell/g" | \
     $KUBECTL create -f -
 
+  # Expand template variables
+  sed_script=""
+  for var in cell discovery replicas; do
+    sed_script+="s,{{$var}},${!var},g;"
+  done
+
   # Create the replication controller.
   echo "Creating etcd replicationcontroller for $cell cell..."
-  cat etcd-controller-template.yaml | \
-    sed -e "s/{{cell}}/$cell/g" -e "s,{{discovery}},$discovery,g" | \
-    $KUBECTL create -f -
+  cat etcd-controller-template.yaml | sed -e "$sed_script" | $KUBECTL create -f -
 done