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Schema
======================
service:
service_type: [user_service | public_service | internal_service]
Features to add
==========================
templates
--------------------
templates for nodes and services stored in leap_platform
commands:
leap add-service # menu of services, copies from the template
leap add-node # you pick a service among those enabled, then it copies template
deploy
---------------------
leap bootstrap
leap dryrun
leap deploy
key management
-------------------------
leap add-ssh-keypair
leap add-x509-keypair
json validation
------------------------
json validation
http://www.kuwata-lab.com/kwalify/ruby/users-guide.html
useful liberaries
================================
notes to myself
user interaction
gli -- http://davetron5000.github.com/gli/rdoc/classes/GLI/DSL.html
sub -- https://github.com/37signals/sub
readline
highline https://github.com/JEG2/highline/tree/master/examples
terminal-tables
rainbow
http://stackoverflow.com/questions/9577718/what-ruby-libraries-should-i-use-for-building-a-console-based-application
testing
aruba -- test for cli
help
gem-man -- install man pages with gems
ronn -- write man pages in markdown
push examples
https://github.com/net-ssh/net-ssh
https://github.com/seattlerb/rake-remote_task
http://docs.seattlerb.org/rake-remote_task/
https://github.com/seattlerb/rake-remote_task/blob/master/lib/rake/remote_task.rb
calling rsync from ruby
https://github.com/RichGuk/rrsync/blob/master/rrsync.rb
http://rubyforge.org/projects/six-rsync/
https://github.com/automateit/automateit
http://www.jedi.be/blog/2009/11/17/shell-scripting-dsl-in-ruby/
parallel shell
https://github.com/delano/rye
https://github.com/adamwiggins/rush
ssh keygen
https://github.com/duritong/puppet-sshd/blob/master/lib/puppet/parser/functions/ssh_keygen.rb
invoke puppet
https://github.com/davidwinter/sooty/blob/master/lib/sooty.rb
shell
================================
http://devver.wordpress.com/2009/10/12/ruby-subprocesses-part_3/
http://stackoverflow.com/questions/1154846/continuously-read-from-stdout-of-external-process-in-ruby
http://stackoverflow.com/questions/3874604/how-do-i-get-the-pty-spawn-child-exit-code
https://gist.github.com/148765
ssh
================================
http://mostlyobvio.us/2012/06/optimize-your-ssh-experience/
ssh certificate authority
----------------------------------
maybe wait off on this: "The certificate cert format seems to have changed between 5.5 and 6.0"
search for "ssh-keygen -s"
http://blog.habets.pp.se/2011/07/OpenSSH-certificates
http://en.community.dell.com/techcenter/b/techcenter/archive/2011/09/08/setting-up-certificate-authority-keys-with-openssh-version-5-4.aspx
http://serverfault.com/questions/264515/how-to-revoke-an-ssh-certificate-not-ssh-identity-file
agent forwarding
---------------------------------
http://lyte.id.au/2012/03/19/ssh-agent-forwarding-is-a-bug/
instead:
home$ ssh -o 'ProxyCommand ssh you@hop1 nc %h %p' ssh you@hop2
hop2$
known_hosts
----------------
man sshd, search for known_hosts
@revoked -- should we put revoked keys in known_hosts, and when/how...
@cert-authority -- should we use it?
ruby
---------------
ruby net::ssh
def generate_key_fingerprint(key)
blob = Net::SSH::Buffer.from(:key, key).to_s
fingerprint = OpenSSL::Digest::MD5.hexdigest(blob).scan(/../).join(":")
[blob, fingerprint]
rescue ::Exception => e
[nil, "(could not generate fingerprint: #{e.message})"]
end
def exchange_keys
result = send_kexinit
verify_server_key(result[:server_key])
session_id = verify_signature(result)
confirm_newkeys
return { :session_id => session_id,
:server_key => result[:server_key],
:shared_secret => result[:shared_secret],
:hashing_algorithm => digester }
end
DNS
======================================
problem: we want to be able to refer to the nodes by hostname (in a variety of programs) without requiring an external dns server.
idea:
simple lightweight ruby dns server -- https://github.com/ioquatix/rubydns
another ruby dns server (eventmachine) -- https://github.com/nricciar/em-dns-server
modify /etc/resolveconf/resolve.conf.d/tail with
nameserver locahost
maybe like this:
resolveconf -a eth0.leap 'nameserver localhost'
the problem is that there is probably already a resolving nameserver living at localhost.
linux doesn't appear to have a way to let you specify the port number for dns lookups (unlike bsd). boo
a few other possibilies:
* alter /etc/hosts
* alter dnsmasq to use additional /etc/hosts files (simple switch for this). dnsmasq is running on my desktop, although there is no /etc/dnsmasq.
* write a libnss_ruby or something that would let you use a custom db for /etc/nsswitch.conf
see http://uw714doc.sco.com/en/SEC_admin/nssover.html
ssh solution:
ssh -l root -o "HostName=10.9.8.7" -o "HostKeyAlias=server_a" server_a
..
MISC
====================
http://skim.la/2012/01/16/rsa-public-key-interoperability-between-ruby-and-android/
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