| Running CoreOS outside of the Cloud with iPXE | |
| Kelsey Hightower | |
| CoreOS runs pretty much everywhere, but running it effectively outside of the cloud can be a challenge using traditional tooling. We’ll take a look at the various ways to boot a machine via iPXE and how to leverage cloud-config to automate machine initialization. |
| journalctl -u etcd | |
| -- Logs begin at Mon 2014-06-09 07:08:04 UTC, end at Mon 2014-06-09 18:28:48 UTC. -- | |
| Jun 09 07:08:04 core3.c.hightower-labs.internal etcd[3202]: [etcd] Jun 9 07:08:04.214 WARNING | [ss] Error: nil response | |
| Jun 09 07:08:04 core3.c.hightower-labs.internal etcd[3202]: [etcd] Jun 9 07:08:04.264 WARNING | [ss] Error: nil response | |
| Jun 09 07:08:04 core3.c.hightower-labs.internal etcd[3202]: [etcd] Jun 9 07:08:04.314 WARNING | [ss] Error: nil response | |
| Jun 09 07:08:04 core3.c.hightower-labs.internal etcd[3202]: [etcd] Jun 9 07:08:04.364 WARNING | [ss] Error: nil response | |
| Jun 09 07:08:04 core3.c.hightower-labs.internal etcd[3202]: [etcd] Jun 9 07:08:04.414 WARNING | [ss] Error: nil response | |
| Jun 09 07:08:04 core3.c.hightower-labs.internal etcd[3202]: [etcd] Jun 9 07:08:04.464 WARNING | [ss] Error: nil response | |
| Jun 09 07:08:04 core3.c.hightower-labs.internal etcd[3202]: [etcd] Jun 9 07:08:04.514 WARNING | [ss] Error: nil response | |
| Jun 09 07:08:04 core3.c.hightower-labs.internal etcd |
| #!/bin/ruby | |
| require 'yaml' | |
| raw_data = | |
| %Q{ | |
| apps: | |
| appname: | |
| workgroup1: | |
| data: |
echo "password" | gpg2 --symmetric --cipher-algo aes256 | base64
jA0ECQMCrK4yLqS7y37U0j4B/LOKb/ueWmr5wws2lNVwSOorICpWwTkHDadp2epK9r2geAnTbHkCWLleotj69tf6aYz/0GEuAQIzvaRPng==
curl -X PUT -L http://127.0.0.1:4001/v2/keys/password -d value='jA0ECQMCrK4yLqS7y37U0j4B/LOKb/ueWmr5wws2lNVwSOorICpWwTkHDadp2epK9r2geAnTbHkCWLleotj69tf6aYz/0GEuAQIzvaRPng=='
| 2014-06-12T19:20:54-07:00 Macintosh.local ./confd[7438]: ERROR Get http://127.0.0.1:8500/v1/kv/upstream?recurse=1: EOF | |
| 2014-06-12T19:20:55-07:00 Macintosh.local ./confd[7438]: ERROR Get http://127.0.0.1:8500/v1/kv/database/host?recurse=1: net/http: transport closed before response was received | |
| 2014-06-12T19:20:56-07:00 Macintosh.local ./confd[7438]: ERROR Get http://127.0.0.1:8500/v1/kv/upstream?recurse=1: EOF | |
| 2014-06-12T19:20:57-07:00 Macintosh.local ./confd[7438]: ERROR Get http://127.0.0.1:8500/v1/kv/database/host?recurse=1: net/http: transport closed before response was received | |
| 2014-06-12T19:20:58-07:00 Macintosh.local ./confd[7438]: ERROR Get http://127.0.0.1:8500/v1/kv/upstream?recurse=1: EOF | |
| 2014-06-12T19:20:59-07:00 Macintosh.local ./confd[7438]: ERROR Get http://127.0.0.1:8500/v1/kv/database/host?recurse=1: net/http: transport closed before response was received | |
| 2014-06-12T19:21:00-07:00 Macintosh.local ./confd[7438]: ERROR Get http://127.0.0.1:8500/v1/kv/upstream?recurse=1: EOF | |
| 2014-06-12T19:21:01- |
| Jun 27 17:08:15 core3.c.hightower-labs.internal update_engine[21730]: [0627/170815:INFO:omaha_response_handler_action.cc(78)] Using this install plan: | |
| Jun 27 17:08:15 core3.c.hightower-labs.internal update_engine[21730]: [0627/170815:INFO:install_plan.cc(61)] InstallPlan: , new_update, url: https://commondatastorage.googleapis.com/update-storage.core-os.net/amd64-usr/361.0.0/update.gz, payload size: 102026024, payload hash: MGeaaLrqO2JGZMkUd+sSTafD6Nok7zyeG2RZN+NdHzs=, metadata size: 0, metadata signature: , install_path: /dev/sda4, kernel_install_path: , hash_checks_mandatory: false, powerwash_required: false | |
| Jun 27 17:08:15 core3.c.hightower-labs.internal update_engine[21730]: [0627/170815:INFO:utils.cc(654)] Setting cgroup cpu shares to 2 | |
| Jun 27 17:08:15 core3.c.hightower-labs.internal update_engine[21730]: [0627/170815:ERROR:utils.cc(118)] 0 == writer.Open(path, O_WRONLY | O_CREAT | O_TRUNC, 0600) failed: No such file or directory | |
| Jun 27 17:08:15 core3.c.hightower-labs.internal update_engine[21730]: [062 |
| package main | |
| import ( | |
| "log" | |
| "fmt" | |
| "path/filepath" | |
| ) | |
| type Node struct { | |
| Key string |
| #cloud-config | |
| hostname: core0 | |
| ssh_authorized _keys: | |
| - ssh-rsa AAAAB3NzaC1yc2... | |
| coreos: | |
| etcd: | |
| # generate a new token for each unique cluster from https://discovery.etcd.io/new | |
| name: core0 | |
| discovery: https://discovery.etcd.io/dead0b52c8704ad95ac9681b4550247e |
| confd -verbose -onetime -debug -node 10.240.117.51:34001 | |
| 2014-07-08T22:03:54Z d5432ea2c082 confd[9]: WARNING Skipping confd config file. | |
| 2014-07-08T22:03:54Z d5432ea2c082 confd[9]: NOTICE Starting confd | |
| 2014-07-08T22:03:54Z d5432ea2c082 confd[9]: NOTICE Backend set to | |
| 2014-07-08T22:03:54Z d5432ea2c082 confd[9]: NOTICE etcd nodes set to http://10.240.117.51:34001 | |
| 2014-07-08T22:03:54Z d5432ea2c082 confd[9]: DEBUG Loading template resources from confdir /etc/confd | |
| 2014-07-08T22:03:54Z d5432ea2c082 confd[9]: DEBUG Processing template resource /etc/confd/conf.d/haproxy.toml | |
| 2014-07-08T22:03:54Z d5432ea2c082 confd[9]: DEBUG Loading template resource from /etc/confd/conf.d/haproxy.toml | |
| 2014-07-08T22:03:54Z d5432ea2c082 confd[9]: DEBUG Retrieving keys from store | |
| 2014-07-08T22:03:54Z d5432ea2c082 confd[9]: DEBUG Key prefix set to / |
| coreos: | |
| units: | |
| - name: dd-agent.service | |
| command: start | |
| content: | | |
| [Unit] | |
| Description=Datadog Agent | |
| Author=CoreOS | |
| After=docker.service |