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Pratik raj b113da5d19 chore: Use --no-cache-dir flag to pip in Dockerfiles, to save space 
Using "--no-cache-dir" flag in pip install ,make sure dowloaded packages
by pip don't cached on system . This is a best practise which make sure
to fetch ftom repo instead of using local cached one . Further , in case
of Docker Containers , by restricing caching , we can reduce image size.
In term of stats , it depends upon the number of python packages
multiplied by their respective size . e.g for heavy packages with a lot
of dependencies it reduce a lot by don't caching pip packages.

Further , more detail information can be found at

https://medium.com/sciforce/strategies-of-docker-images-optimization-2ca9cc5719b6

Signed-off-by: Pratik Raj <rajpratik71@gmail.com>
2021-07-02 01:02:49 +05:30
..
docker-compose.yml update 2015-07-08 21:09:50 +08:00
Dockerfile chore: Use --no-cache-dir flag to pip in Dockerfiles, to save space 2021-07-02 01:02:49 +05:30
README.md update 2015-07-09 16:13:29 +08:00

README.md

salt-master

Salt is a new approach to infrastructure management. Easy enough to get running in minutes, scalable enough to manage tens of thousands of servers, and fast enough to communicate with them in seconds.

Salt delivers a dynamic communication bus for infrastructures that can be used for orchestration, remote execution, configuration management and much more.

This image contains salt-master/salt-ssh and other power tools:

  • curl
  • httpie
  • ipython
  • jq
  • vim-tiny

network topology

  • master
    • coreos: 192.168.1.1
  • minions
    • arch: 192.168.1.100
    • debian: 192.168.1.101
    • ubuntu: 192.168.1.102

docker-compose.yml

master:
  image: vimagick/salt-master
  ports:
    - "4505:4505"
    - "4506:4506"
  restart: always

salt-master

$ cd ~/fig/salt/
$ docker-compose up -d
$ alias salt='docker exec -it salt_master_1 bash'

salt-minion

# create roster
$ cat > /etc/salt/roster << _EOF_
arch:
    host: 192.168.1.100
    user: root
    passwd: XcAreP36
debian:
    host: 192.168.1.101
    user: root
    passwd: 0Q4yEQw7
ubuntu:
    host: 192.168.1.102
    user: root
    passwd: pc2wW6Dv
_EOF_

# deploy master key
$ salt-ssh -i --passwd xxxxxx --key-deploy '*' test.ping

# install salt-minion
$ salt-ssh '*' -r 'curl -L https://bootstrap.saltstack.com | sudo sh -s -- -A 192.168.1.1'

# list minion keys
$ salt-key -L

# accept minion keys
$ salt-key -y -A

# ping minions
$ salt '*' test.ping

backup volumes

$ docker run --rm --volumes-from salt_master_1 -v `pwd`:/backup debian tar cvzf /backup/salt-$(date +%F).tgz /etc/salt/ /srv/salt/
$ ls -l
-rw-r--r-- 1 root root 14243 Jul  8 21:37 salt-2015-07-08.tgz