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Switch to aufs for the docker-in-docker development supervisor

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Also update a few details about the dind on the README.

Change-Type: patch
Signed-off-by: Pablo Carranza Velez <pablo@resin.io>
This commit is contained in:
Pablo Carranza Velez 2016-12-20 01:47:52 -03:00
parent 7006f58267
commit 58af4f7094
3 changed files with 11 additions and 8 deletions
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13
README.md
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@ -62,9 +62,13 @@ The config.json file should look something like this:
Additionally, the `uuid`, `registered_at` and `deviceId` fields will be added by the supervisor upon registration with the resin API.
### Start the supervisor instance
Ensure your kernel supports aufs (in Ubuntu, install `linux-image-extra-$(uname -r)`) and the `aufs` module is loaded (if necessary, run `sudo modprobe aufs`).
```bash
make ARCH=amd64 SUPERVISOR_IMAGE=username/resin-supervisor:master run-supervisor
ARCH=amd64 SUPERVISOR_IMAGE=username/resin-supervisor:master ./tools/dev/dindctl run
```
This will setup a docker-in-docker instance with an image that runs the supervisor image.
### Testing with preloaded apps
@ -99,7 +103,7 @@ This will make the docker-in-docker instance pull the image specified in apps.js
If you want to enable passwordless dropbear login (e.g. while testing `resin sync`) you can set the `PASSWORDLESS_DROPBEAR` option to `true`, like:
```bash
make PASSWORDLESS_DROPBEAR=true ARCH=amd64 SUPERVISOR_IMAGE=username/resin-supervisor:master run-supervisor
PASSWORDLESS_DROPBEAR=true ARCH=amd64 SUPERVISOR_IMAGE=username/resin-supervisor:master ./tools/dev/dindctl run
```
### View the containers logs
@ -109,13 +113,12 @@ docker exec -it resin_supervisor_1 journalctl -f
### View the supervisor logs
```bash
docker exec -it resin_supervisor_1 /bin/bash
tail /var/log/supervisor-log/resin_supervisor_stdout.log -f
./tools/dev/dindctl logs -f
```
### Stop the supervisor
```bash
make stop-supervisor
./tools/dev/dindctl stop
```
This will stop the container and remove it, also removing its volumes.

3
tools/dind/config/services/docker.service.d/aufs.conf Normal file
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@ -0,0 +1,3 @@
[Service]
ExecStart=
ExecStart=/usr/bin/docker daemon --storage-driver aufs --host=fd://

3
tools/dind/config/services/docker.service.d/overlayfs.conf
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@ -1,3 +0,0 @@
[Service]
ExecStart=
ExecStart=/usr/bin/docker daemon --storage-driver overlay --host=fd://