Hi there, a quick thanks for developing this plugin. It was pretty simple to get installed!
I'm having an issue persisting data through a server restart. I don't think this is the intended behavior so I'm filing an issue with the details.
I install the plugin, get it running (using systemd) and then create a volume using the following command:
docker volume create --driver dostorage --name volume-nyc1-coffeebot
This seems successful when I query Docker for volumes:
$ docker volume ls
DRIVER VOLUME NAME
dostorage volume-nyc1-coffeebot
$ docker volume inspect volume-nyc1-coffeebot
[
{
"Name": "volume-nyc1-coffeebot",
"Driver": "dostorage",
"Mountpoint": "/mnt/dostorage/volume-nyc1-coffeebot",
"Status": {
"AttachedDropletIDs": [
3.3263643e+07
],
"ReferenceCount": 0,
"VolumeID": "6796b195-b677-11e6-90ec-000f53315820"
},
"Labels": {},
"Scope": "local"
}
]
So far so good, and this is what I see in the dostorage.service logs so far:
Nov 29 21:14:43 slackdevrel-docker dostorage[2222]: time="2016-11-29T21:14:43Z" level=info msg="[Get]: {Name:volume-nyc1-coffeebot Options:map[]}"
Nov 29 21:14:43 slackdevrel-docker docker-volume-plugin-dostorage[2222]: time="2016-11-29T21:14:43Z" level=info msg="[Get]: {Name:volume-nyc1-coffeebot Options:map[]}"
Nov 29 21:14:43 slackdevrel-docker docker-volume-plugin-dostorage[2222]: time="2016-11-29T21:14:43Z" level=info msg="volume named 'volume-nyc1-coffeebot' not found"
Nov 29 21:14:43 slackdevrel-docker docker-volume-plugin-dostorage[2222]: time="2016-11-29T21:14:43Z" level=info msg="[Create]: {Name:volume-nyc1-coffeebot Options:map[]}"
Nov 29 21:14:43 slackdevrel-docker dostorage[2222]: time="2016-11-29T21:14:43Z" level=info msg="volume named 'volume-nyc1-coffeebot' not found"
Nov 29 21:14:43 slackdevrel-docker dostorage[2222]: time="2016-11-29T21:14:43Z" level=info msg="[Create]: {Name:volume-nyc1-coffeebot Options:map[]}"
Nov 29 21:14:45 slackdevrel-docker dostorage[2222]: time="2016-11-29T21:14:45Z" level=info msg="[Capabilities]: {Name: Options:map[]}"
Nov 29 21:14:45 slackdevrel-docker docker-volume-plugin-dostorage[2222]: time="2016-11-29T21:14:45Z" level=info msg="[Capabilities]: {Name: Options:map[]}"
Nov 29 21:14:45 slackdevrel-docker dostorage[2222]: time="2016-11-29T21:14:45Z" level=info msg="[Path]: {Name:volume-nyc1-coffeebot Options:map[]}"
Nov 29 21:14:45 slackdevrel-docker docker-volume-plugin-dostorage[2222]: time="2016-11-29T21:14:45Z" level=info msg="[Path]: {Name:volume-nyc1-coffeebot Options:map[]}"
Nov 29 21:15:20 slackdevrel-docker dostorage[2222]: time="2016-11-29T21:15:20Z" level=info msg="[List]: {Name: Options:map[]}"
Nov 29 21:15:20 slackdevrel-docker docker-volume-plugin-dostorage[2222]: time="2016-11-29T21:15:20Z" level=info msg="[List]: {Name: Options:map[]}"
Nov 29 21:17:29 slackdevrel-docker dostorage[2222]: time="2016-11-29T21:17:29Z" level=info msg="[Get]: {Name:volume-nyc1-coffeebot Options:map[]}"
Nov 29 21:17:29 slackdevrel-docker docker-volume-plugin-dostorage[2222]: time="2016-11-29T21:17:29Z" level=info msg="[Get]: {Name:volume-nyc1-coffeebot Options:map[]}"
Now I set up another systemd service which runs my docker container, with the volume. It essentially runs the following command (i removed some environment variables):
/usr/bin/docker run -p=3000:3000 --name=coffeebot -v volume-nyc1-coffeebot:/app/data aoberoi/coffeebot:v1.0.1
Which seems to work, because I see this in the dostorage.service logs:
Nov 29 21:24:04 slackdevrel-docker dostorage[2222]: time="2016-11-29T21:24:04Z" level=info msg="[Mount]: {Name:volume-nyc1-coffeebot ID:3022fcb05988356cdf4cd8b83210476fd3e01246b84a6c490bbbca6a1c334f0a}"
Nov 29 21:24:04 slackdevrel-docker docker-volume-plugin-dostorage[2222]: time="2016-11-29T21:24:04Z" level=info msg="[Mount]: {Name:volume-nyc1-coffeebot ID:3022fcb05988356cdf4cd8b83210476fd3e01246b84a6c490bbbca6a1c334f0a}"
Nov 29 21:24:04 slackdevrel-docker docker-volume-plugin-dostorage[2222]: time="2016-11-29T21:24:04Z" level=info msg="mounting the volume upon detecting the first reference"
Nov 29 21:24:04 slackdevrel-docker dostorage[2222]: time="2016-11-29T21:24:04Z" level=info msg="mounting the volume upon detecting the first reference"
Next, I try restarting my systemd service which runs the docker container. One thing I noticed that was a little odd is that the volume gets unmounted and mounted twice instead of once:
Nov 29 21:26:59 slackdevrel-docker dostorage[2222]: time="2016-11-29T21:26:59Z" level=info msg="[Unmount]: {Name:volume-nyc1-coffeebot ID:3022fcb05988356cdf4cd8b83210476fd3e01246b84a6c490bbbca6a1c334f0a}"
Nov 29 21:26:59 slackdevrel-docker docker-volume-plugin-dostorage[2222]: time="2016-11-29T21:26:59Z" level=info msg="[Unmount]: {Name:volume-nyc1-coffeebot ID:3022fcb05988356cdf4cd8b83210476fd3e01246b84a6c490bbbca6a1c334f0a}"
Nov 29 21:26:59 slackdevrel-docker docker-volume-plugin-dostorage[2222]: time="2016-11-29T21:26:59Z" level=info msg="unmounting the volume since it is not referenced anymore"
Nov 29 21:26:59 slackdevrel-docker dostorage[2222]: time="2016-11-29T21:26:59Z" level=info msg="unmounting the volume since it is not referenced anymore"
Nov 29 21:27:00 slackdevrel-docker dostorage[2222]: time="2016-11-29T21:27:00Z" level=info msg="[Path]: {Name:volume-nyc1-coffeebot Options:map[]}"
Nov 29 21:27:00 slackdevrel-docker docker-volume-plugin-dostorage[2222]: time="2016-11-29T21:27:00Z" level=info msg="[Path]: {Name:volume-nyc1-coffeebot Options:map[]}"
Nov 29 21:27:00 slackdevrel-docker dostorage[2222]: time="2016-11-29T21:27:00Z" level=info msg="[Mount]: {Name:volume-nyc1-coffeebot ID:859f428ea73b686990c4d18e3d5cc750cb86bb433321451ce059277d72b0954a}"
Nov 29 21:27:00 slackdevrel-docker docker-volume-plugin-dostorage[2222]: time="2016-11-29T21:27:00Z" level=info msg="[Mount]: {Name:volume-nyc1-coffeebot ID:859f428ea73b686990c4d18e3d5cc750cb86bb433321451ce059277d72b0954a}"
Nov 29 21:27:00 slackdevrel-docker docker-volume-plugin-dostorage[2222]: time="2016-11-29T21:27:00Z" level=info msg="mounting the volume upon detecting the first reference"
Nov 29 21:27:00 slackdevrel-docker dostorage[2222]: time="2016-11-29T21:27:00Z" level=info msg="mounting the volume upon detecting the first reference"
Nov 29 21:27:12 slackdevrel-docker dostorage[2222]: time="2016-11-29T21:27:12Z" level=info msg="[Unmount]: {Name:volume-nyc1-coffeebot ID:859f428ea73b686990c4d18e3d5cc750cb86bb433321451ce059277d72b0954a}"
Nov 29 21:27:12 slackdevrel-docker docker-volume-plugin-dostorage[2222]: time="2016-11-29T21:27:12Z" level=info msg="[Unmount]: {Name:volume-nyc1-coffeebot ID:859f428ea73b686990c4d18e3d5cc750cb86bb433321451ce059277d72b0954a}"
Nov 29 21:27:12 slackdevrel-docker docker-volume-plugin-dostorage[2222]: time="2016-11-29T21:27:12Z" level=info msg="unmounting the volume since it is not referenced anymore"
Nov 29 21:27:12 slackdevrel-docker dostorage[2222]: time="2016-11-29T21:27:12Z" level=info msg="unmounting the volume since it is not referenced anymore"
Nov 29 21:27:13 slackdevrel-docker dostorage[2222]: time="2016-11-29T21:27:13Z" level=info msg="[Path]: {Name:volume-nyc1-coffeebot Options:map[]}"
Nov 29 21:27:13 slackdevrel-docker docker-volume-plugin-dostorage[2222]: time="2016-11-29T21:27:13Z" level=info msg="[Path]: {Name:volume-nyc1-coffeebot Options:map[]}"
Nov 29 21:27:13 slackdevrel-docker dostorage[2222]: time="2016-11-29T21:27:13Z" level=info msg="[Mount]: {Name:volume-nyc1-coffeebot ID:97998cad128fa8696ceabf005b6e8c6cf15cc48596ea337f2b4f4c4bc8e0b869}"
Nov 29 21:27:13 slackdevrel-docker docker-volume-plugin-dostorage[2222]: time="2016-11-29T21:27:13Z" level=info msg="[Mount]: {Name:volume-nyc1-coffeebot ID:97998cad128fa8696ceabf005b6e8c6cf15cc48596ea337f2b4f4c4bc8e0b869}"
Nov 29 21:27:13 slackdevrel-docker dostorage[2222]: time="2016-11-29T21:27:13Z" level=info msg="mounting the volume upon detecting the first reference"
Nov 29 21:27:13 slackdevrel-docker docker-volume-plugin-dostorage[2222]: time="2016-11-29T21:27:13Z" level=info msg="mounting the volume upon detecting the first reference"
Still, so far so good because the application seems to work as expected. Now I reboot the machine. Here is what I see in the logs:
-- Reboot --
Nov 29 21:31:13 slackdevrel-docker systemd[1]: Started Docker Volume Driver for DigitalOcean.
Nov 29 21:31:13 slackdevrel-docker dostorage[1457]: time="2016-11-29T21:31:13Z" level=info msg="creating a new driver instance"
Nov 29 21:31:13 slackdevrel-docker docker-volume-plugin-dostorage[1457]: time="2016-11-29T21:31:13Z" level=info msg="creating a new driver instance"
Nov 29 21:31:13 slackdevrel-docker dostorage[1457]: time="2016-11-29T21:31:13Z" level=info msg="droplet metadata: region='nyc1', dropletID=33263643"
Nov 29 21:31:13 slackdevrel-docker docker-volume-plugin-dostorage[1457]: time="2016-11-29T21:31:13Z" level=info msg="droplet metadata: region='nyc1', dropletID=33263643"
Nov 29 21:31:15 slackdevrel-docker dostorage[1457]: time="2016-11-29T21:31:15Z" level=info msg="[Get]: {Name:volume-nyc1-coffeebot Options:map[]}"
Nov 29 21:31:15 slackdevrel-docker docker-volume-plugin-dostorage[1457]: time="2016-11-29T21:31:15Z" level=info msg="[Get]: {Name:volume-nyc1-coffeebot Options:map[]}"
Nov 29 21:31:15 slackdevrel-docker docker-volume-plugin-dostorage[1457]: time="2016-11-29T21:31:15Z" level=info msg="volume named 'volume-nyc1-coffeebot' not found"
Nov 29 21:31:15 slackdevrel-docker dostorage[1457]: time="2016-11-29T21:31:15Z" level=info msg="volume named 'volume-nyc1-coffeebot' not found"
For reference, here are my systemd unit files:
/lib/systemd/system/dostorage.service
[Unit]
Description=Docker Volume Driver for DigitalOcean
Before=docker.service
After=network.target dostorage.socket
Requires=dostorage.socket docker.service
[Service]
ExecStart=/usr/bin/docker-volume-plugin-dostorage --access-token=xxxxxxxxxxxxxxx
[Install]
WantedBy=multi-user.target
/lib/systemd/system/dostorage.socket
[Unit]
Description=Socket for Docker Volume Driver for DigitalOcean
[Socket]
ListenStream=/run/docker/plugins/dostorage.sock
SocketUser=root
SocketGroup=docker
SocketMode=0660
[Install]
WantedBy=sockets.target
/etc/systemd/system/docker-coffeebot.service
[Unit]
Description=coffeebot application
Requires=docker.service dostorage.service
After=docker.service dostorage.service
[Service]
Restart=always
ExecStart=/usr/bin/docker run -p=3000:3000 --name=coffeebot -v volume-nyc1-coffeebot:/app/data aoberoi/coffeebot:v1.0.1
ExecStop=/usr/bin/docker stop coffeebot
ExecStopPost=/usr/bin/docker rm -f coffeebot
[Install]
WantedBy=default.target
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