Adding new example: Docker Registry

examples/docker-registry/docker-compose.yml

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+version: '2'
+
+services:
+  registry:
+    image: registry
+    ports:
+      - 5000
+    volumes:
+      - /denverimaging/e3ebf132-c720-4d33-afe0-7b858eb88cdd/3dc9dd9a-802f-4dee-83dc-955f32165f08:/var/lib/registry
+

examples/docker-registry/fli-manifest.yml

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+docker_app: docker-compose.yml
+
+flocker_hub:
+    endpoint: https://data.flockerhub.clusterhq.com
+    tokenfile: /root/vhut.txt
+
+volumes:
+    - name: registry-mount 
+      snapshot: docker-images 
+      volumeset: flidocker-example-registry-6

examples/docker-registry/invoke.sh

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+#!/bin/bash
+
+set -e
+
+function fli () {
+  local zpool_name='denverimaging'
+  docker run --rm -it --privileged -v /etc/hosts:/etc/hosts -v /root:/root -v /${zpool_name}:/${zpool_name}:shared -v /var/log/fli:/var/log/fli -v /lib/modules:/lib/modules quay.io/clusterhq_prod/fli:c6a5deac3bb68b93341c8accfdde66fd7d13fc1f "$@"
+}
+
+### Set a unique VOlumeSet and Volume name
+volumeset_name='flidocker-example-registry-6'
+volume_name='dockerregistry'
+snapshot_name='docker-images'
+flidocker_path='/tmp/fli-docker'
+flockerhub_token_path='/root/vhut.txt'
+
+if test ! -e $flockerhub_token_path
+then
+  echo "FlockerHub token file does not exist: ${flockerhub_token_path}"
+  exit 10
+fi
+
+### Invoke Fli-Docker
+echo "$(tput setaf 6)Invoking Fli-Docker ..."
+${flidocker_path} run -verbose -f fli-manifest.yml -c 

examples/docker-registry/prep.sh

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+#!/bin/bash
+
+function PrepSnapshot () {
+  ### Create a VolumeSet and Volume
+  volumeset_id=`fli init ${volumeset_name} | tr -d '\r'`
+  volume_dir=`fli create ${volumeset_id} ${volume_name} | tr -d '\r'`
+  echo "$(tput setaf 6)Created VolumeSet ${volumeset_id} and Volume ${volume_dir}$(tput setaf 7)"
+
+  ### Start a private, temporary registry instance
+  ### This will simply be used to stage some data onto a Fli Volume, so we can snapshot it
+  docker run --detach -v ${volume_dir}:/var/lib/registry -p 5000:5000 --name registry-temp registry
+
+  ### Download Docker images locally
+  docker pull microsoft/powershell:centos7
+  docker pull microsoft/powershell:ubuntu14.04
+  docker pull microsoft/powershell:ubuntu16.04
+  docker pull microsoft/powershell:latest
+
+  docker tag microsoft/powershell:centos7 localhost:5000/microsoft/powershell:centos7
+  docker tag microsoft/powershell:ubuntu14.04 localhost:5000/microsoft/powershell:ubuntu14.04
+  docker tag microsoft/powershell:ubuntu16.04 localhost:5000/microsoft/powershell:ubuntu16.04
+  docker tag microsoft/powershell:latest localhost:5000/microsoft/powershell:latest
+
+  ### Push images up to the private registry instance
+  docker push localhost:5000/microsoft/powershell:centos7
+  #docker push localhost:5000/microsoft/powershell:ubuntu14.04
+  #docker push localhost:5000/microsoft/powershell:ubuntu16.04
+  #docker push localhost:5000/microsoft/powershell:latest
+
+  ### Take a snapshot of the Fli Volume
+  snapshot_id=`fli snapshot ${volumeset_id}:${volume_name} ${snapshot_name} | tr -d '\r'`
+  echo "$(tput setaf 6)Finished snapshotting the data volume ${volume_dir}. Snapshot ID is: ${snapshot_id}"
+
+  ### Sync the VolumeSet with FlockerHub
+  fli sync ${volumeset_id}
+  echo "$(tput setaf 6)Synchronized VolumeSet (${volumeset_id}) with FlockerHub"
+
+  ### Push the snapshot up to FlockerHub
+  fli push ${volumeset_id}:${snapshot_id}
+  echo "$(tput setaf 6)Finished pushing snapshot (${snapshot_id}), in VolumeSet (${volumeset_id}) to FlockerHub$(tput setaf 7)"
+}
+
+PrepSnapshot