OSX上摆脱vagrant搭建CoreOS集群

1

brew install corectl

1
2
3

git clone git@github.com:TheNewNormal/corectl.git
cd corectl
make

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

corectl -h
CoreOS over OSX made simple.
❯❯❯ http://github.com/TheNewNormal/corectlUsage:corectl [flags]corectl [command]Available Commands:rm          Removes one or more CoreOS images from local fskill        Halts one or more running CoreOS instancesls          Lists locally available CoreOS imagesload        Loads CoreOS instances defined in an instrumentation file.version     Shows corectl version informationps          Lists running CoreOS instancesquery       Display information about the running CoreOS instancespull        Pulls a CoreOS image from upstreamrun         Starts a new CoreOS instancessh         Attach to or run commands inside a running CoreOS instanceput         copy file to inside VMFlags:--debug   adds extra verbosity, and options, for debugging purposes and/or power usersUse "corectl [command] --help" for more information about a command.All flags can also be configured via upper-case environment variables prefixed with "COREOS_"
For example, "--debug" => "COREOS_DEBUG"

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

Usage:corectl run [flags]Aliases:run, startFlags:--cdrom string          append an CDROM (.iso) to VM--channel string        CoreOS channel (default "alpha")--cloud_config string   cloud-config file location (either a remote URL or a local path)--cpus int              VM's vCPUS (default 1)-d, --detached              starts the VM in detached (background) mode-h, --help                  help for run-l, --local latest          consumes whatever image is latest locally instead of looking online unless there's nothing available.--memory int            VM's RAM, in MB, per instance (1024 < memory < 8192) (default 1024)-n, --name string           names the VM. (if absent defaults to VM's UUID)--root string           append a (persistent) root volume to VM--sshkey string         VM's default ssh key--tap string            append tap interface to VM--uuid string           VM's UUID (default "random")--version string        CoreOS version (default "latest")--volume value          append disk volumes to VM (default [])Global Flags:--debug   adds extra verbosity, and options, for debugging purposes and/or power usersAll flags can also be configured via upper-case environment variables prefixed with "COREOS_"
For example, "--debug" => "COREOS_DEBUG"

1

dd if=/dev/zero of= persistent.img  bs=1g count=5

1

/usr/local/Cellar/e2fsprogs/1.42.12/sbin/mke2fs  -t ext4 -m0 -F persistent.img

1

corectl run --name core --volume absolute_or_relative_path/to/persistent.img

1
2
3

corectl ssh core
mkdir /data
sudo mount /dev/vda /data

1

curl -X GET 'https://discovery.etcd.io/new?size=3'

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

#cloud-configcoreos:etcd2:# generate a new token for each unique cluster# from https://discovery.etcd.io/new?size=n where n = cluster size# discovery url to bootstrap the clusterdiscovery: hhttps://discovery.etcd.io/{$TOKEN}# multi-region and multi-cloud deployments need to use $public_ipv4# list of member’s client urls to advertise information to the rest of the clusteradvertise-client-urls: http://$public_ipv4:2379# this address is used to communicate etcd data around the clusterinitial-advertise-peer-urls: http://$private_ipv4:2380# listen on both the official ports and the legacy ports# legacy ports can be omitted if your application doesn't depend on them# url to listen for client trafficlisten-client-urls: http://0.0.0.0:2379,http://0.0.0.0:4001# url to listen for peer trafficlisten-peer-urls: http://$private_ipv4:2380,http://$private_ipv4:7001fleet:public-ip: $public_ipv4flannel:interface: $public_ipv4units:- name: etcd2.servicecommand: start- name: fleet.servicecommand: start

1
2
3

sudo corectl run --cloud_config ./cloud-config-file --name core-1
sudo corectl run --cloud_config ./cloud-config-file --name core-2
sudo corectl run --cloud_config ./cloud-config-file --name core-3

1
2
3
4

etcdctl  member list
28fede81eb6ee920: name=78c956f8b901497fbd909c0a4fa4a9f7 peerURLs=http://192.168.64.30:2380 clientURLs=http://192.168.64.30:2379 isLeader=false
a4661fcb2e28c76a: name=1a7f48cd84c540528b0a61483f071307 peerURLs=http://192.168.64.31:2380 clientURLs=http://192.168.64.31:2379 isLeader=false
eebd0c9e16e3e5be: name=fd92329bf3004bf98f3a6553606a00b0 peerURLs=http://192.168.64.32:2380 clientURLs=http://192.168.64.32:2379 isLeader=true