-
Notifications
You must be signed in to change notification settings - Fork 0
/
Vagrantfile
57 lines (47 loc) · 2.19 KB
/
Vagrantfile
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
Vagrant.configure("2") do |config|
config.vm.hostname = 'cgrouphost'
config.vm.box = "centos/7"
config.vm.box_version = "1809.01"
config.vm.provider :virtualbox do |vb|
vb.name = 'cgroup-limit-host'
vb.customize ['modifyvm', :id, '--memory', '1024', '--cpus', '2']
end
config.vm.synced_folder "./", "/vagrant"
#Install Docker using the get-docker.sh script.
config.vm.provision "shell",
inline: "/bin/sh /vagrant/scripts/get-docker.sh"
config.vm.provision "shell", inline: <<-SHELL
#Install htop
yum install -y wget
wget dl.fedoraproject.org/pub/epel/7/x86_64/Packages/e/epel-release-7-11.noarch.rpm
rpm -ihv epel-release-7-11.noarch.rpm
yum install -y htop
#Install docker-compose
curl -L "https://github.com/docker/compose/releases/download/1.22.0/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose
chmod +x /usr/local/bin/docker-compose
#Intall cgroup tools
yum install -y libcgroup
yum install -y libcgroup-tools
#We have to use same name for the cpu and memory cgroups as we can pass only one cgroup-parent to the docker start.
#Create cgroup and add cpu limits
cgcreate -g cpu:cgroup-limit
#Limit CPU Usage by 50%
#https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/6/html/resource_management_guide/sec-cpu
#https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/6/html/resource_management_guide/sect-cpu-example_usage
echo 100000 > /sys/fs/cgroup/cpu/cgroup-limit/cpu.cfs_quota_us
echo 100000 > /sys/fs/cgroup/cpu/cgroup-limit/cpu.cfs_period_us
#Create cgroup and add memory limits
cgcreate -g memory:cgroup-limit
#Limit memory by 100mb
#This is similar passing --memory at the docker start but applying at cgroup-parent will apply for all containers on the host.
#Example - docker run -it --rm --memory=100m image-name
echo 104857600 > /sys/fs/cgroup/memory/cgroup-limit/memory.limit_in_bytes
#Start a swarm as we are using a docker stack
docker swarm init
#Start Docker
systemctl start docker
SHELL
config.vm.provision "shell", inline: <<-SHELL
docker build -t asishrs/alpine-stress /vagrant/docker
SHELL
end