hack/docker-cluster: add fast way to start local docker cluster

This displays the way to run multiple cfs fast in docker. And this helps
for further development on reconstruct and copy.

.gitignore

@@ -27,6 +27,7 @@ _testmain.go
 /server/server
 /server/cfs0000
 /cfsctl/cfsctl
+/hack/docker-cluster/cfs*
 
 # temporary build path
 /proto/gopath

hack/docker-cluster/Procfile

@@ -0,0 +1,5 @@
+# Use goreman to run:
+# `go get github.com/mattn/goreman`
+cfs0: docker run --volume=/:/rootfs:ro --volume=/var/run:/var/run:rw --volume=/sys:/sys:ro --volume=/var/lib/docker/:/var/lib/docker:ro --volume=/tmp:/tmp:rw --volume=${PWD}/cfs0_0:/cfs0_0 --volume=${PWD}/cfs0_1:/cfs0_1 --volume=${PWD}/config:/config --publish=5000:15524 -i --name=cfs0 c-fs/cfs --config=/config/cfs0.conf
+cfs1: docker run --volume=/:/rootfs:ro --volume=/var/run:/var/run:rw --volume=/sys:/sys:ro --volume=/var/lib/docker/:/var/lib/docker:ro --volume=/tmp:/tmp:rw --volume=${PWD}/cfs1_0:/cfs1_0 --volume=${PWD}/cfs1_1:/cfs1_1 --volume=${PWD}/config:/config --publish=5001:15524 -i --name=cfs1 c-fs/cfs --config=/config/cfs1.conf
+cfs2: docker run --volume=/:/rootfs:ro --volume=/var/run:/var/run:rw --volume=/sys:/sys:ro --volume=/var/lib/docker/:/var/lib/docker:ro --volume=/tmp:/tmp:rw --volume=${PWD}/cfs2_0:/cfs2_0 --volume=${PWD}/cfs2_1:/cfs2_1 --volume=${PWD}/config:/config --publish=5002:15524 -i --name=cfs2 c-fs/cfs --config=/config/cfs2.conf

hack/docker-cluster/cleanup.sh

@@ -0,0 +1,4 @@
+#!/bin/bash
+
+docker stop $(docker ps -a -q)
+docker rm $(docker ps -a -q)

hack/docker-cluster/config/cfs0.conf

@@ -0,0 +1,24 @@
+# Default Configuration in TOML
+
+################################ GENERAL  #####################################
+
+# Accept connections on the specified port, default is 15524.
+port = "15524"
+
+# By default cfs listens for connections from all the network interfaces
+# available on the server. 
+#
+# Examples:
+#
+# bind = "127.0.0.1"
+
+
+################################ DISKS  #######################################
+
+[[Disks]] 
+name = "cfs0_0"
+root = "cfs0_0"
+
+[[Disks]]
+name = "cfs0_1"
+root = "cfs0_1"

hack/docker-cluster/config/cfs1.conf

@@ -0,0 +1,24 @@
+# Default Configuration in TOML
+
+################################ GENERAL  #####################################
+
+# Accept connections on the specified port, default is 15524.
+port = "15524"
+
+# By default cfs listens for connections from all the network interfaces
+# available on the server. 
+#
+# Examples:
+#
+# bind = "127.0.0.1"
+
+
+################################ DISKS  #######################################
+
+[[Disks]] 
+name = "cfs1_0"
+root = "cfs1_0"
+
+[[Disks]]
+name = "cfs1_1"
+root = "cfs1_1"

hack/docker-cluster/config/cfs2.conf

@@ -0,0 +1,24 @@
+# Default Configuration in TOML
+
+################################ GENERAL  #####################################
+
+# Accept connections on the specified port, default is 15524.
+port = "15524"
+
+# By default cfs listens for connections from all the network interfaces
+# available on the server. 
+#
+# Examples:
+#
+# bind = "127.0.0.1"
+
+
+################################ DISKS  #######################################
+
+[[Disks]] 
+name = "cfs2_0"
+root = "cfs2_0"
+
+[[Disks]]
+name = "cfs2_1"
+root = "cfs2_1"