Merge pull request #85 from LLParse/metadata-loop-hack

etcd v2.3.7-11 Metadata loop hack

etcd/containers/0.12.0/etcd/Dockerfile

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+FROM alpine:3.3
+
+WORKDIR /opt/rancher
+ENV PATH $PATH:/opt/rancher
+
+RUN \
+  apk add --update bash ca-certificates && \
+  rm -rf /var/cache/apk/* && \
+  wget -q -O /opt/rancher/giddyup https://github.com/cloudnautique/giddyup/releases/download/v0.13.0/giddyup && \
+  chmod +x /opt/rancher/giddyup
+
+RUN \
+  wget -q -O - https://github.com/coreos/etcd/releases/download/v2.3.7/etcd-v2.3.7-linux-amd64.tar.gz | tar xzf - -C /tmp && \
+  mv /tmp/etcd-*/etcd /opt/rancher/etcd && \
+  mv /tmp/etcd-*/etcdctl /opt/rancher/etcdctl && \
+  rm -rf /tmp/etcd-* && rm -f /etcd-*.tar.gz
+
+ADD etcdwrapper run.sh disaster delete /opt/rancher/
+
+ENTRYPOINT ["/opt/rancher/run.sh"]
+CMD ["node"]

etcd/containers/0.12.0/etcd/Dockerfile.wrapper

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+FROM golang:alpine
+
+RUN apk update && apk add git
+RUN go get github.com/urfave/cli
+RUN go get github.com/Sirupsen/logrus
+
+RUN mkdir -p /go/src/etcdwrapper
+WORKDIR /go/src/etcdwrapper
+ADD wrapper.go .
+
+RUN go build

etcd/containers/0.12.0/etcd/build

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+#!/bin/bash -e
+
+ACCT=${ACCT:-llparse}
+VERSION=${VERSION:-v2.3.7-11}
+
+docker build -t etcdwrapper -f Dockerfile.wrapper .
+id=$(docker run -d --entrypoint=/bin/sh --name etcdwrapper etcdwrapper sleep 15)
+docker cp etcdwrapper:/go/src/etcdwrapper/etcdwrapper .
+docker rm -f $id
+
+docker build -t $ACCT/etcd:$VERSION .
+docker push $ACCT/etcd:$VERSION
+
+rm -f etcdwrapper
+
+if [ "$(which gsync)" ]; then
+  gsync $ACCT/etcd:$VERSION
+fi

etcd/containers/0.12.0/etcd/delete

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+#!/bin/bash
+
+echo "Deleting persistent data..."
+
+rm -rf /pdata/*
+rm -rf /data/*
+
+PID=$(pidof etcd)
+while kill -0 $PID &> /dev/null; do
+  kill $PID
+  sleep 1
+done

etcd/containers/0.12.0/etcd/disaster

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+#!/bin/bash
+
+DATA_DIR=/pdata
+DR_FLAG=${DATA_DIR}/DR
+
+cd $DATA_DIR
+
+echo 'data.current' > $DR_FLAG
+echo -e "Disaster flag set.\n\nTriggering disaster recovery...this will automatically restart the container."
+
+sleep 5
+
+# Continuously send SIGTERM
+PID=$(pidof etcd)
+while kill -0 $PID &> /dev/null; do
+  kill $PID
+  sleep 1
+done