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https://github.com/overneath/serf
hashicorp/serf `FROM scratch`
https://github.com/overneath/serf
cli docker-image dockerfile gossip-protocol hashicorp-serf serf
Last synced: 16 days ago
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hashicorp/serf `FROM scratch`
- Host: GitHub
- URL: https://github.com/overneath/serf
- Owner: overneath
- Created: 2019-01-18T06:36:17.000Z (about 6 years ago)
- Default Branch: master
- Last Pushed: 2019-04-15T17:20:57.000Z (almost 6 years ago)
- Last Synced: 2024-11-19T20:44:05.564Z (3 months ago)
- Topics: cli, docker-image, dockerfile, gossip-protocol, hashicorp-serf, serf
- Language: Dockerfile
- Homepage: https://www.serf.io
- Size: 4.88 KB
- Stars: 1
- Watchers: 2
- Forks: 0
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
Awesome Lists containing this project
README
# Nothin' but Serf
![Hashicorp Serf][serf-192]
## But Why Though
I needed a minimal installation of [hashicorp/serf][serf-src], downloaded and verified from the [official Serf downloads][serf-bin] page. This serves as a simple, containerized installation source.
## Docker
To install into an image via `Dockerfile`:
```dockerfile
COPY --from=overneath/serf:0.8 /opt/local/ /usr/local/
```
## LinuxKit
To underlay in [minimalist LinuxKit composition](linuxkit.yml):
```yaml
kernel:
# ...
init:
- linuxkit/init:v0.6
# ...
- overneath/serf:0.8
onboot:
# ...
services:
# ...
- name: serf
image: alpine:3.7
binds:
- /etc/resolv.conf:/etc/resolv.conf
- /run/config/serf:/etc/serf
- /opt/local:/usr/local
- /var/lib/serf:/var/lib/serf
command: [/usr/local/bin/serf, agent, -config-dir=/etc/serf, -tags-file=/var/lib/serf/tags.json]
runtime:
mkdir:
- /run/config/serf
- /var/lib/serf
```
To verify that the LinuxKit build is working, invoke via `linuxkit run` and then after the OS comes up in the getty console:
```shell
nsenter -a -t 1 /opt/local/bin/serf members
```
E.g. (in the `linuxkit run` console):
```
(ns: getty) linuxkit-025000000006:~# nsenter -a -t 1 /opt/local/bin/serf members
linuxkit-025000000006 127.0.0.1:7946 alive
(ns: getty) linuxkit-025000000006:~#
(ns: getty) linuxkit-025000000006:~# poweroff
The system is going down NOW!0006:~# ^[[20;38R
Sent SIGTERM to all processes
Sent SIGKILL to all processes
Requesting system poweroff
[ 17.369562] ACPI: Preparing to enter system sleep state S5
[ 17.371389] reboot: Power down
```
---
[serf-192]: https://github.com/hashicorp/serf/raw/3d6a974239f0b515c87479d5beefe575ad866805/website/source/assets/images/favicons/android-chrome-192x192.png "Hashicorp Serf"
[serf-bin]: https://www.serf.io/downloads.html "Serf Downloads"
[serf-src]: https://github.com/hashicorp/serf "Serf on Github"
[serf-by-dweomer]: https://hub.docker.com/r/dweomer/serf