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Allow eval call to set env variables #5

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Allow eval call to set env variables #5

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17b6dca
Allow eval call to set env variables
jmahowald Mar 16, 2016
54f1479
Actually allow one to do an eval
jmahowald Mar 17, 2016
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5 changes: 4 additions & 1 deletion README.md
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Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
# docker-vpn-helper
s# docker-vpn-helper
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Looks like there's an extra char here


###How does Docker work on OSX?
[docker-machine](https://docs.docker.com/machine/) leverages VirtualBox to create a boot2docker VM (based on Tiny Core Linux) that exposes the required kernel facilities (e.g., cgroups and namespaces) needed by the Docker daemon. The Docker client for OSX relies on the Docker daemon running within the boot2docker VM to perform all of its actions.
Expand Down Expand Up @@ -156,6 +156,9 @@ export DOCKER_CERT_PATH=/Users/jonathan.li/.docker/machine/machines/default
export DOCKER_MACHINE_NAME=default
```


You can rerun with eval $(docker-vpn-helper) to set your environment variables
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I think it might make more sense to:

  1. insert this between the existing steps 3 and 4
  2. update the existing step 4 to note that the explicit exports are not required if you re-ran the script with eval $(./docker-vpn-helper)


3. Let's make sure a VM was created
```
$ docker-machine ls
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3 changes: 2 additions & 1 deletion docker-vpn-helper
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Expand Up @@ -90,7 +90,8 @@ if [[ ${SERVER_PEM} != *"CN=localhost"* && ${SERVER_PEM} != *"IP:127.0.0.1"* ]];
docker-machine ssh ${B2D_MACHINE_NAME} "sudo /etc/init.d/docker restart"
fi

echo "=====Add these to your environment====="
#Send this message to stderr so can evaluate it
echo "=====Add these to your environment=====" >&2
printf "%s\n" "export DOCKER_TLS_VERIFY="1"
export DOCKER_HOST="tcp://localhost:${HOST_DOCKER_DAEMON_PORT}"
export DOCKER_CERT_PATH="${DOCKER_MACHINES_HOME}/${B2D_MACHINE_NAME}"
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