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author | Monty Taylor <mordred@inaugust.com> | 2015-08-01 13:49:51 +1000 |
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committer | Monty Taylor <mordred@inaugust.com> | 2015-08-01 14:06:15 +1000 |
commit | e80572bca8d345056862235a41597d8b2540e68b (patch) | |
tree | 3b62bc798c9ad99c8733b46c78a6810a91d925d8 /src/talks/ansible-cloud/index.html | |
parent | 506f9db1c9d54a1af4d75ee0ee36e79ccaeacef6 (diff) |
Template the talks!
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1 | <!doctype html> | ||
2 | <html lang="en"> | ||
3 | |||
4 | <head> | ||
5 | <meta charset="utf-8"> | ||
6 | |||
7 | <title>NoOps with Ansible and Puppet</title> | ||
8 | |||
9 | <meta name="author" content="Monty Taylor" /> | ||
10 | |||
11 | <meta name="apple-mobile-web-app-capable" content="yes" /> | ||
12 | <meta name="apple-mobile-web-app-status-bar-style" content="black-translucent" /> | ||
13 | |||
14 | <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no"> | ||
15 | |||
16 | <link rel="stylesheet" href="/css/reveal.css"> | ||
17 | <link rel="stylesheet" href="/css/theme/openstack.css" id="theme"> | ||
18 | |||
19 | <!-- For syntax highlighting --> | ||
20 | <link rel="stylesheet" href="/lib/css/zenburn.css"> | ||
21 | |||
22 | <!-- If the query includes 'print-pdf', include the PDF print sheet --> | ||
23 | <script> | ||
24 | var link = document.createElement('link'); | ||
25 | link.rel = 'stylesheet'; | ||
26 | link.type = 'text/css'; | ||
27 | link.href = | ||
28 | window.location.search.match(/print-pdf/gi) ? '/css/print/pdf.css' : | ||
29 | '/css/print/paper.css'; | ||
30 | document.getElementsByTagName('head')[0].appendChild(link); | ||
31 | </script> | ||
32 | </head> | ||
33 | <body> | ||
34 | <body> | ||
35 | |||
36 | <div class="background"> | ||
37 | <img alt="" id="head-icon" width="218" height="67" | ||
38 | src="/images/openstack-cloud-software-horizontal-small.png" /></div> | ||
39 | |||
40 | |||
41 | <div class="reveal"> | ||
42 | <div class="slides"> | ||
43 | |||
44 | <section data-state="cover"> | ||
45 | <img src="/images/openstack-cloud-software-vertical-large.png" | ||
46 | alt="OpenStack" id="cover"/> | ||
47 | |||
48 | <h1><span xmlns:dct="http://purl.org/dc/terms/" | ||
49 | href="http://purl.org/dc/dcmitype/InteractiveResource" | ||
50 | property="dct:title" | ||
51 | rel="dct:type"> | ||
52 | NoOps with Ansible and Puppet | ||
53 | </span></h1> | ||
54 | <h3 xmlns:cc="http://creativecommons.org/ns#" | ||
55 | property="cc:attributionName">Monty Taylor</h3> | ||
56 | <h4><a xmlns:cc="http://creativecommons.org/ns#" | ||
57 | rel="cc:attributionURL" | ||
58 | href='http://inaugust.com/talks/ansible-cloud.html'>http://inaugust.com/talks/ansible-cloud.html</a> </h4> | ||
59 | <h3> twitter: @e_monty </h3> | ||
60 | </section> | ||
61 | |||
62 | <section id="who-am-i" class="slide level2"> | ||
63 | <h1>Who am I?</h1> | ||
64 | <ul> | ||
65 | <li>Distinguished Technologist at HP</li> | ||
66 | <li>OpenStack Technical Committee</li> | ||
67 | <li>OpenStack Foundation Board of Directors</li> | ||
68 | <li>OpenStack Developer Infrastructure Core Team</li> | ||
69 | <li>Former Consultant for MySQL, Inc</li> | ||
70 | <li>Former Drizzle Core Developer</li> | ||
71 | </ul> | ||
72 | </section> | ||
73 | |||
74 | <section id="what-are-we-going-to-talk-about" class="slide level2"> | ||
75 | <h1>What are we going to talk about?</h1> | ||
76 | <ul> | ||
77 | <li>NoOps</li> | ||
78 | <li>Cloud Applications</li> | ||
79 | <li>Puppet</li> | ||
80 | <li>Ansible</li> | ||
81 | </ul> | ||
82 | </section> | ||
83 | |||
84 | <section id="no-ops" class="slide level2"> | ||
85 | <h1>NoOps</h1> | ||
86 | <p class="fragment">NoOps means developers can code and let a service deploy, manage and scale their code</p> | ||
87 | <p class="fragment">I don't want to "do ops"</p> | ||
88 | <p class="fragment">I want to change the system by landing commits</p> | ||
89 | <p class="fragment">If I have to use my root access, it's a bug</p> | ||
90 | </section> | ||
91 | |||
92 | <section id="cloud-native" class="slide level2"> | ||
93 | <h1>Cloud Native</h1> | ||
94 | <ul> | ||
95 | <li>Ephemeral Compute</li> | ||
96 | <li>Data services</li> | ||
97 | <li>Design your applications to be resilient via scale out</li> | ||
98 | </ul> | ||
99 | </section> | ||
100 | |||
101 | <section id="cloud-scale-out" class="slide level2"> | ||
102 | <h1>Cloud Scale Out</h1> | ||
103 | <ul> | ||
104 | <li>Forget HA of one system</li> | ||
105 | <li>Forget long-lived systems</li> | ||
106 | <li>Shared-nothing for EVERYTHING</li> | ||
107 | </ul> | ||
108 | </section> | ||
109 | |||
110 | <section id="cloud-scale-out-is-great-for-new-applications" class="slide level2"> | ||
111 | <h1>Cloud Scale Out is great for new applications</h1> | ||
112 | </section> | ||
113 | |||
114 | <section id="what-about-existing-applications" class="slide level2"> | ||
115 | <h1>What about existing applications?</h1> | ||
116 | </section> | ||
117 | |||
118 | <section> | ||
119 | <section id="openstack-infra" data-transition='zoom'> | ||
120 | <h1>OpenStack Infra</h1> | ||
121 | </section> | ||
122 | |||
123 | <section id="tooling-automation-and-ci-for-openstack-project" class="slide level2" data-transition='zoom'> | ||
124 | <h1>Tooling, Automation and CI for OpenStack Project</h1> | ||
125 | </section> | ||
126 | |||
127 | <section id="developers" class="slide level2" data-transition='zoom'> | ||
128 | <h1>2000 Developers</h1> | ||
129 | </section> | ||
130 | |||
131 | <section id="gated-commits" class="slide level2" data-transition='zoom'> | ||
132 | <h1>Gated Commits</h1> | ||
133 | <p>Every commit is fully integration tested (twice) before landing</p> | ||
134 | </section> | ||
135 | |||
136 | <section id="each-test-runs-on-a-single-use-cloud-slave" class="slide level2" data-transition='zoom'> | ||
137 | <h1>Each Test Runs on a Single Use Cloud Slave</h1> | ||
138 | <p>This is that "cloud scale out" part</p> | ||
139 | </section> | ||
140 | |||
141 | <section id="million-test-jobs-in-the-last-6-months" class="slide level2" data-transition='zoom'> | ||
142 | <h1>1.7 Million Test Jobs in the last 6 Months</h1> | ||
143 | </section> | ||
144 | |||
145 | <section id="15-million-tests-in-december" class="slide level2" data-transition='zoom'> | ||
146 | <h1>15 Million Tests in December</h1> | ||
147 | </section> | ||
148 | |||
149 | <section id="terabytes-of-log-data-in-six-months" class="slide level2" data-transition='zoom'> | ||
150 | <h1>18 Terabytes of Log Data in six months</h1> | ||
151 | </section> | ||
152 | |||
153 | <section id="we-have-no-servers" class="slide level2" data-transition='zoom'> | ||
154 | <h1>We have no servers</h1> | ||
155 | <p>It all runs across HP and Rackspace Public Clouds.</p> | ||
156 | </section> | ||
157 | |||
158 | </section> | ||
159 | |||
160 | <section id="architecture" class="slide level2"> | ||
161 | <h1>Architecture</h1> | ||
162 | <p><img src="/images/infra_architecture.jpg" alt="image" /></p> | ||
163 | </section> | ||
164 | |||
165 | <section id="it-didnt-start-this-way" class="slide level2"> | ||
166 | <h1>It didn't start this way</h1> | ||
167 | <p><img src="/images/original.jpg" alt="image" /></p> | ||
168 | </section> | ||
169 | |||
170 | <section id="step-one-puppet" class="titleslide slide level1"> | ||
171 | <h1>Step One: Puppet</h1> | ||
172 | </section> | ||
173 | |||
174 | <section id="overview" class="slide level2"> | ||
175 | <h1>Overview</h1> | ||
176 | <ul> | ||
177 | <li>Open Source Config Management System</li> | ||
178 | <li>Written in Ruby</li> | ||
179 | <li>Models intended state</li> | ||
180 | <li>Wants to own entire system</li> | ||
181 | </ul> | ||
182 | </section> | ||
183 | |||
184 | <section id="config-management-is-great" class="slide level2"> | ||
185 | <h1>Config Management is Great</h1> | ||
186 | <ul> | ||
187 | <li>Repeatable and consistent machines</li> | ||
188 | <li>Code Review</li> | ||
189 | <li>Collaboration from non-root users</li> | ||
190 | <li>Less repetition for me</li> | ||
191 | <li>Open Source Infrastructure</li> | ||
192 | <li><a href="http://git.openstack.org/cgit/openstack-infra/system-config/">http://git.openstack.org/cgit/openstack-infra/system-config/</a></li> | ||
193 | <li><a href="http://puppetdb.openstack.org/">http://puppetdb.openstack.org/</a></li> | ||
194 | </ul> | ||
195 | </section> | ||
196 | |||
197 | <section id="ruby-dsl" class="slide level2"> | ||
198 | <h1>Ruby DSL</h1> | ||
199 | <pre><code> | ||
200 | package { 'git': | ||
201 | ensure => 'present', | ||
202 | } | ||
203 | </code></pre> | ||
204 | </section> | ||
205 | |||
206 | <section id="leaky-abstraction" class="slide level2"> | ||
207 | <h1>Leaky Abstraction</h1> | ||
208 | <pre><code> | ||
209 | if !defined(Package['git']) { | ||
210 | package { 'git': | ||
211 | ensure => 'present', | ||
212 | } | ||
213 | } | ||
214 | </code></pre> | ||
215 | </section> | ||
216 | |||
217 | <section id="three-ways-to-run" class="slide level2"> | ||
218 | <h1>Three ways to run</h1> | ||
219 | <ul> | ||
220 | <li>puppet apply</li> | ||
221 | <li>puppetmaster + puppet agent daemons</li> | ||
222 | <li>puppetmaster + puppet agent non-daemon</li> | ||
223 | </ul> | ||
224 | </section> | ||
225 | |||
226 | <section id="managing-users-and-ssh-keys" class="slide level2"> | ||
227 | <h1>Managing users and ssh keys</h1> | ||
228 | <pre><code> | ||
229 | define user::virtual::localuser( | ||
230 | $realname, | ||
231 | $groups = [ 'sudo', 'admin', ], | ||
232 | $sshkeys = '', | ||
233 | $key_id = '', | ||
234 | $old_keys = [], | ||
235 | $shell = '/bin/bash', | ||
236 | $home = "/home/${title}", | ||
237 | $managehome = true | ||
238 | ) { | ||
239 | |||
240 | group { $title: | ||
241 | ensure => present, | ||
242 | } | ||
243 | </code></pre> | ||
244 | </section> | ||
245 | |||
246 | <section id="managing-users-and-ssh-keys-2" class="slide level2"> | ||
247 | <h1>Managing users and ssh keys (cont.)</h1> | ||
248 | <pre><code> | ||
249 | user { $title: | ||
250 | ensure => present, | ||
251 | comment => $realname, | ||
252 | gid => $title, | ||
253 | groups => $groups, | ||
254 | home => $home, | ||
255 | managehome => $managehome, | ||
256 | membership => 'minimum', | ||
257 | shell => $shell, | ||
258 | require => Group[$title], | ||
259 | } | ||
260 | </code></pre> | ||
261 | </section> | ||
262 | |||
263 | <section id="managing-users-and-ssh-keys-3" class="slide level2"> | ||
264 | <h1>Managing users and ssh keys (cont.)</h1> | ||
265 | <pre><code> | ||
266 | ssh_authorized_key { $key_id: | ||
267 | ensure => present, | ||
268 | key => $sshkeys, | ||
269 | user => $title, | ||
270 | type => 'ssh-rsa', | ||
271 | } | ||
272 | |||
273 | if ( $old_keys != [] ) { | ||
274 | ssh_authorized_key { $old_keys: | ||
275 | ensure => absent, | ||
276 | user => $title, | ||
277 | } | ||
278 | } | ||
279 | } | ||
280 | </code></pre> | ||
281 | </section> | ||
282 | |||
283 | <section id="our-code-is-open-source-right-what-about-passwords-and-keys-..." class="slide level2"> | ||
284 | <h1>Our code is Open Source, right? What about passwords and keys ...</h1> | ||
285 | </section> | ||
286 | |||
287 | <section id="hiera" class="slide level2"> | ||
288 | <h1>hiera</h1> | ||
289 | <ul> | ||
290 | <li>Simple YAML database, sits on puppetmaster</li> | ||
291 | <li>Use it for secret data</li> | ||
292 | <li>puppet code is still complete</li> | ||
293 | </ul> | ||
294 | <pre><code> | ||
295 | node default { | ||
296 | class { 'openstack_project::server': | ||
297 | sysadmins => hiera('sysadmins', []), | ||
298 | } | ||
299 | } | ||
300 | </code></pre> | ||
301 | <p>Breaks ability to use simple puppet apply</p> | ||
302 | </section> | ||
303 | |||
304 | <section id="step-two-ansible-for-orchestration" class="titleslide slide level1"> | ||
305 | <h1>Step Two: Ansible for Orchestration</h1> | ||
306 | </section> | ||
307 | |||
308 | <section id="about-ansible" class="slide level2"> | ||
309 | <h1>About Ansible</h1> | ||
310 | <ul> | ||
311 | <li>Open Source System Management tool</li> | ||
312 | <li>Written in Python</li> | ||
313 | <li>Sequence of steps to perform</li> | ||
314 | <li>Works over SSH</li> | ||
315 | <li>Incremental Adoption</li> | ||
316 | </ul> | ||
317 | </section> | ||
318 | |||
319 | <section> | ||
320 | <h1>ad-hoc operation</h1> | ||
321 | <pre> | ||
322 | ansible '*' -m shell -p uptime | ||
323 | </pre> | ||
324 | </section> | ||
325 | |||
326 | <section id="yaml-syntax" class="slide level2"> | ||
327 | <h1>YAML Syntax</h1> | ||
328 | <pre><code> | ||
329 | - hosts: '*.slave.openstack.org' | ||
330 | tasks: | ||
331 | - shell: 'rm -rf ~jenkins/workspace/*{{ project }}*' | ||
332 | </code></pre> | ||
333 | <p>That's executed:</p> | ||
334 | <pre> | ||
335 | ansible-playbook -f 10 /etc/ansible/clean_workspaces.yaml --extra-vars "project=$PROJECTNAME" | ||
336 | </pre> | ||
337 | </section> | ||
338 | |||
339 | <section id="ansible-organization" class="slide level2"> | ||
340 | <h1>Ansible Organization</h1> | ||
341 | <ul> | ||
342 | <li>modules</li> | ||
343 | <li>plays</li> | ||
344 | <li>playbooks</li> | ||
345 | <li>roles</li> | ||
346 | </ul> | ||
347 | </section> | ||
348 | |||
349 | <section id="use-ansible-to-run-puppet" class="slide level2"> | ||
350 | <h1>Use Ansible to Run Puppet!</h1> | ||
351 | </section> | ||
352 | |||
353 | <section id="puppet-module" class="slide level2"> | ||
354 | <h1>puppet module</h1> | ||
355 | <pre><code>def main(): | ||
356 | module = AnsibleModule(argument_spec=dict( | ||
357 | timeout=dict(default="30m"), | ||
358 | puppetmaster=dict(required=True), | ||
359 | show_diff=dict(default=False, aliases=['show-diff'], type='bool'), | ||
360 | )) | ||
361 | p = module.params | ||
362 | |||
363 | puppet_cmd = module.get_bin_path("puppet", False) | ||
364 | if not puppet_cmd: | ||
365 | module.fail_json(msg="Could not find puppet. Please ensure it is installed.") | ||
366 | </code></pre> | ||
367 | </section> | ||
368 | |||
369 | <section id="puppet-module-2" class="slide level2"> | ||
370 | <h1>puppet module (cont)</h1> | ||
371 | <pre><code class="python"> | ||
372 | cmd = ("timeout -s 9 %(timeout)s %(puppet_cmd)s agent --onetime" | ||
373 | " --server %(puppetmaster)s" | ||
374 | " --ignorecache --no-daemonize --no-usecacheonfailure --no-splay" | ||
375 | " --detailed-exitcodes --verbose") % dict( | ||
376 | timeout=pipes.quote(p['timeout']), puppet_cmd=PUPPET_CMD, | ||
377 | puppetmaster=pipes.quote(p['puppetmaster'])) | ||
378 | if p['show_diff']: | ||
379 | cmd += " --show-diff" | ||
380 | rc, stdout, stderr = module.run_command(cmd) | ||
381 | </code></pre> | ||
382 | </section> | ||
383 | |||
384 | <section id="puppet-module-3" class="slide level2"> | ||
385 | Please. Everyone. Marvel at the following logic | ||
386 | <pre><code> | ||
387 | if rc == 0: # success | ||
388 | module.exit_json(rc=rc, changed=False, stdout=stdout) | ||
389 | elif rc == 1: | ||
390 | # rc==1 could be because it's disabled OR there was a compilation failure | ||
391 | disabled = "administratively disabled" in stdout | ||
392 | if disabled: | ||
393 | msg = "puppet is disabled" | ||
394 | else: | ||
395 | msg = "puppet compilation failed" | ||
396 | module.fail_json(rc=rc, disabled=disabled, msg=msg, stdout=stdout, stderr=stderr) | ||
397 | elif rc == 2: # success with changes | ||
398 | module.exit_json(changed=True) | ||
399 | elif rc == 124: # timeout | ||
400 | module.exit_json(rc=rc, msg="%s timed out" % cmd, stdout=stdout, stderr=stderr) | ||
401 | else: # failure | ||
402 | module.fail_json(rc=rc, msg="%s failed" % (cmd), stdout=stdout, stderr=stderr) | ||
403 | </code></pre> | ||
404 | </section> | ||
405 | |||
406 | <section id="puppet-play" class="slide level2"> | ||
407 | <h1>puppet play</h1> | ||
408 | <pre><code> | ||
409 | - name: run puppet | ||
410 | puppet: | ||
411 | puppetmaster: "{{puppetmaster}}" | ||
412 | </code></pre> | ||
413 | </section> | ||
414 | |||
415 | <section id="puppet-role" class="slide level2"> | ||
416 | <h1>puppet role</h1> | ||
417 | <p>roles/puppet/tasks/main.yml</p> | ||
418 | </section> | ||
419 | |||
420 | <section id="remote-puppet-playbook" class="slide level2"> | ||
421 | <h1>remote puppet playbook</h1> | ||
422 | <pre><code> | ||
423 | - hosts: git0* | ||
424 | gather_facts: false | ||
425 | max_fail_percentage: 1 | ||
426 | roles: | ||
427 | - { role: puppet, puppetmaster: puppetmaster.openstack.org } | ||
428 | - hosts: review.openstack.org | ||
429 | gather_facts: false | ||
430 | roles: | ||
431 | - { role: puppet, puppetmaster: puppetmaster.openstack.org } | ||
432 | - hosts: "!review.openstack.org:!git0*:!afs*" | ||
433 | gather_facts: false | ||
434 | roles: | ||
435 | - { role: puppet, puppetmaster: puppetmaster.openstack.org } | ||
436 | </pre></code> | ||
437 | </section> | ||
438 | |||
439 | <section id="ansible-inventory" class="slide level2"> | ||
440 | <h1>ansible inventory</h1> | ||
441 | <ul> | ||
442 | <li>List of servers to operate on</li> | ||
443 | <li>Optionally variables associated with each server</li> | ||
444 | <li>Optional groups of servers</li> | ||
445 | <li>Simple yaml file in /etc/ansible/hosts</li> | ||
446 | <li>Dynamic executable that returns JSON</li> | ||
447 | </ul> | ||
448 | </section> | ||
449 | |||
450 | <section id="ansible-inventory-from-file" class="slide level2"> | ||
451 | <h1>Simple inventory</h1> | ||
452 | <pre> | ||
453 | review.openstack.org | ||
454 | git01.openstack.org | ||
455 | git02.openstack.org | ||
456 | pypi.dfw.openstack.org | ||
457 | pypi.iad.openstack.org | ||
458 | |||
459 | [pypi] | ||
460 | pypi.dfw.openstack.org | ||
461 | pypi.iad.openstack.org | ||
462 | |||
463 | [git] | ||
464 | git01.openstack.org | ||
465 | git02.openstack.org | ||
466 | </pre> | ||
467 | </section> | ||
468 | |||
469 | <section id="ansible-inventory-from-puppet" class="slide level2"> | ||
470 | <h1>ansible inventory from puppet certs</h1> | ||
471 | <pre><code> | ||
472 | import json | ||
473 | import subprocess | ||
474 | |||
475 | output = [ | ||
476 | x.split()[1][1:-1] for x in subprocess.check_output( | ||
477 | ["puppet","cert","list","-a"]).split('\n') | ||
478 | if x.startswith('+') | ||
479 | ] | ||
480 | |||
481 | data = { | ||
482 | '_meta': {'hostvars': dict()}, | ||
483 | 'ungrouped': output, | ||
484 | } | ||
485 | print json.dumps(data, sort_keys=True, indent=2) | ||
486 | </code></pre> | ||
487 | </section> | ||
488 | |||
489 | <section> | ||
490 | <h1>Step Three: Ansible for Cloud Management</h1> | ||
491 | </section> | ||
492 | |||
493 | <section> | ||
494 | <h1>ansible and OpenStack</h1> | ||
495 | <ul> | ||
496 | <li>Ansible modules are just python</li> | ||
497 | <li>playbooks are lists of steps to take</li> | ||
498 | <li>Have plays/roles that provision servers</li> | ||
499 | <li>Infrastructure as code - for real!</li> | ||
500 | </ul> | ||
501 | </section> | ||
502 | |||
503 | <section> | ||
504 | <h1>Consider this data</h1> | ||
505 | <pre><code> | ||
506 | pypi.dfw.openstack.org: | ||
507 | image_name: Ubuntu 12.04.4 | ||
508 | flavor_ram: 2048 | ||
509 | region: DFW | ||
510 | cloud: rackspace | ||
511 | volumes: | ||
512 | - size: 200 | ||
513 | mount: /srv | ||
514 | pypi.region-b.geo-1.openstack.org: | ||
515 | image_name: Ubuntu 12.04.4 | ||
516 | flavor_ram: 2048 | ||
517 | region: region-b.geo-1 | ||
518 | cloud: hp | ||
519 | volumes: | ||
520 | - size: 200 | ||
521 | mount: /srv | ||
522 | </code></pre> | ||
523 | </section> | ||
524 | |||
525 | <section> | ||
526 | <h1>Further consider this data</h1> | ||
527 | <pre><code> | ||
528 | pypi: | ||
529 | image_name: Ubuntu 12.04.4 | ||
530 | flavor_ram: 2048 | ||
531 | volumes: | ||
532 | - size: 200 | ||
533 | mount: /srv | ||
534 | hosts: | ||
535 | pypi.dfw: | ||
536 | region: DFW | ||
537 | pypi.iad: | ||
538 | region: IAD | ||
539 | pypi.ord: | ||
540 | region: ORD | ||
541 | pypi.region-b.geo-1: | ||
542 | cloud: hp | ||
543 | </code></pre> | ||
544 | </section> | ||
545 | |||
546 | <section> | ||
547 | <h1>Steps to launch a node</h1> | ||
548 | <ol> | ||
549 | <li>Create a compute instance</li> | ||
550 | <li>Wait for instance to exist</li> | ||
551 | <li>Create a floating IP</li> | ||
552 | <li>Attach floating IP to instance</li> | ||
553 | <li>Create one or more volumes</li> | ||
554 | <li>Attach volumes to instance</li> | ||
555 | <li>Wait for SSH to work</li> | ||
556 | <li>On host, format each volume</li> | ||
557 | <li>On host, mount each volume</li> | ||
558 | <li>On host, install config management software</li> | ||
559 | <li>On host, run config management software</li> | ||
560 | </ol> | ||
561 | </section> | ||
562 | |||
563 | <section> | ||
564 | <h1>Launch a node</h1> | ||
565 | <pre><code> | ||
566 | --- | ||
567 | - name: Launch Node | ||
568 | os_compute: | ||
569 | cloud: "{{ cloud }}" | ||
570 | region_name: "{{ region_name }}" | ||
571 | name: "{{ name }}" | ||
572 | image_name: "{{ image_name }}" | ||
573 | flavor_ram: "{{ flavor_ram }}" | ||
574 | flavor_include: "{{ flavor_include }}" | ||
575 | meta: | ||
576 | group: "{{ group }}" | ||
577 | key_name: "{{ launch_keypair }}" | ||
578 | register: node | ||
579 | - name: Create volumes | ||
580 | os_volume: | ||
581 | cloud: "{{ cloud }}" | ||
582 | size: "{{ item.size }}" | ||
583 | display_name: "{{ item.display_name }}" | ||
584 | with_items: volumes | ||
585 | - name: Attach volumes | ||
586 | os_compute_volume: | ||
587 | cloud: "{{ cloud }}" | ||
588 | server_id: "{{ node.id }}" | ||
589 | volume_name: "{{ item.display_name }}" | ||
590 | with_items: volumes | ||
591 | register: attached_volumes | ||
592 | - debug: var=attached_volumes | ||
593 | - name: Re-request server to get up to date metadata after the volume loop | ||
594 | os_compute_facts: | ||
595 | cloud: "{{ cloud }}" | ||
596 | name: "{{ name }}" | ||
597 | when: attached_volumes.changed | ||
598 | - name: Wait for SSH to work | ||
599 | wait_for: host={{ node.openstack.interface_ip }} port=22 | ||
600 | when: node.changed == True | ||
601 | - name: Add SSH host key to known hosts | ||
602 | shell: ssh-keyscan "{{ node.openstack.interface_ip|quote }}" >> ~/.ssh/known_hosts | ||
603 | when: node.changed == True | ||
604 | - name: Add all instance public IPs to host group | ||
605 | add_host: | ||
606 | name: "{{ node.openstack.interface_ip }}" | ||
607 | groups: "{{ provision_group }}" | ||
608 | openstack: "{{ node.openstack }}" | ||
609 | when: attached_volumes|length == 0 | ||
610 | - name: Add all instance public IPs to host and volumes group | ||
611 | add_host: | ||
612 | name: "{{ node.openstack.interface_ip }}" | ||
613 | groups: "{{ provision_group }},hasvolumes" | ||
614 | openstack: "{{ node.openstack }}" | ||
615 | when: attached_volumes|length != 0 | ||
616 | </code></pre> | ||
617 | </section> | ||
618 | |||
619 | <section> | ||
620 | <h1> Cloud based inventory </h1> | ||
621 | <ul> | ||
622 | <li> Just ask the cloud for the inventory </li> | ||
623 | <li> All of the meta-data the cloud knows is available </li> | ||
624 | <li> No need for puppetmaster now </li> | ||
625 | </ul> | ||
626 | </section> | ||
627 | |||
628 | <section> | ||
629 | <pre><code> | ||
630 | "pypi.dfw.openstack.org": { | ||
631 | "ansible_ssh_host": "23.253.237.8", | ||
632 | "openstack": { | ||
633 | "HUMAN_ID": true, | ||
634 | "NAME_ATTR": "name", | ||
635 | "OS-DCF:diskConfig": "MANUAL", | ||
636 | "OS-EXT-STS:power_state": 1, | ||
637 | "OS-EXT-STS:task_state": null, | ||
638 | "OS-EXT-STS:vm_state": "active", | ||
639 | "accessIPv4": "23.253.237.8", | ||
640 | "accessIPv6": "2001:4800:7817:104:d256:7a33:5187:7e1b", | ||
641 | "addresses": { | ||
642 | "private": [ | ||
643 | { | ||
644 | "addr": "10.208.195.50", | ||
645 | "version": 4 | ||
646 | } | ||
647 | ], | ||
648 | "public": [ | ||
649 | { | ||
650 | "addr": "23.253.237.8", | ||
651 | "version": 4 | ||
652 | }, | ||
653 | { | ||
654 | "addr": "2001:4800:7817:104:d256:7a33:5187:7e1b", | ||
655 | "version": 6 | ||
656 | } | ||
657 | ] | ||
658 | }, | ||
659 | "cloud": "rax", | ||
660 | "config_drive": "", | ||
661 | "created": "2014-09-05T15:32:14Z", | ||
662 | "flavor": { | ||
663 | "id": "performance1-4", | ||
664 | "links": [ | ||
665 | { | ||
666 | "href": "https://dfw.servers.api.rackspacecloud.com/610275/flavors/performance1-4", | ||
667 | "rel": "bookmark" | ||
668 | } | ||
669 | ], | ||
670 | "name": "4 GB Performance" | ||
671 | }, | ||
672 | "hostId": "adb603d4566efe0392756c76dab38ffcba22099368837c7973321e77", | ||
673 | "human_id": "pypidfwopenstackorg", | ||
674 | "id": "de672205-9245-46b6-b3df-489ccf9e0c17", | ||
675 | "image": { | ||
676 | "id": "928e709d-35f0-47eb-b296-d18e1b0a76b7", | ||
677 | "links": [ | ||
678 | { | ||
679 | "href": "https://dfw.servers.api.rackspacecloud.com/610275/images/928e709d-35f0-47eb-b296-d18e1b0a76b7", | ||
680 | "rel": "bookmark" | ||
681 | } | ||
682 | ] | ||
683 | }, | ||
684 | "interface_ip": "23.253.237.8", | ||
685 | "key_name": "launch-node-root", | ||
686 | "links": [ | ||
687 | { | ||
688 | "href": "https://dfw.servers.api.rackspacecloud.com/v2/610275/servers/de672205-9245-46b6-b3df-489ccf9e0c17", | ||
689 | "rel": "self" | ||
690 | }, | ||
691 | { | ||
692 | "href": "https://dfw.servers.api.rackspacecloud.com/610275/servers/de672205-9245-46b6-b3df-489ccf9e0c17", | ||
693 | "rel": "bookmark" | ||
694 | } | ||
695 | ], | ||
696 | "metadata": {}, | ||
697 | "name": "pypi.dfw.openstack.org", | ||
698 | "networks": { | ||
699 | "private": [ | ||
700 | "10.208.195.50" | ||
701 | ], | ||
702 | "public": [ | ||
703 | "23.253.237.8", | ||
704 | "2001:4800:7817:104:d256:7a33:5187:7e1b" | ||
705 | ] | ||
706 | }, | ||
707 | "progress": 100, | ||
708 | "region": "DFW", | ||
709 | "status": "ACTIVE", | ||
710 | "tenant_id": "610275", | ||
711 | "updated": "2014-09-05T15:32:49Z", | ||
712 | "user_id": "156284", | ||
713 | "volumes": [ | ||
714 | { | ||
715 | "HUMAN_ID": false, | ||
716 | "NAME_ATTR": "name", | ||
717 | "attachments": [ | ||
718 | { | ||
719 | "device": "/dev/xvdb", | ||
720 | "host_name": null, | ||
721 | "id": "c6f5229c-1cc0-47c4-aab7-60db1f6cf8e8", | ||
722 | "server_id": "de672205-9245-46b6-b3df-489ccf9e0c17", | ||
723 | "volume_id": "c6f5229c-1cc0-47c4-aab7-60db1f6cf8e8" | ||
724 | } | ||
725 | ], | ||
726 | "availability_zone": "nova", | ||
727 | "bootable": "false", | ||
728 | "created_at": "2014-09-05T14:37:42.000000", | ||
729 | "device": "/dev/xvdb", | ||
730 | "display_description": null, | ||
731 | "display_name": "pypi.dfw.openstack.org/main01", | ||
732 | "human_id": null, | ||
733 | "id": "c6f5229c-1cc0-47c4-aab7-60db1f6cf8e8", | ||
734 | "metadata": { | ||
735 | "readonly": "False", | ||
736 | "storage-node": "1845027a-5e07-47a1-9572-3eea4716f726" | ||
737 | }, | ||
738 | "os-vol-tenant-attr:tenant_id": "610275", | ||
739 | "size": 200, | ||
740 | "snapshot_id": null, | ||
741 | "source_volid": null, | ||
742 | "status": "in-use", | ||
743 | "volume_type": "SATA" | ||
744 | } | ||
745 | ] | ||
746 | } | ||
747 | }, | ||
748 | </code></pre> | ||
749 | </section> | ||
750 | |||
751 | <section> | ||
752 | <h1> Wait - what about secrets? </h1> | ||
753 | <p class="fragment">ansible can just pass secrets to puppet apply as parameters </p> | ||
754 | </section> | ||
755 | |||
756 | <section> | ||
757 | <h1> Step Four: Just get rid of puppet ... </h1> | ||
758 | <p class="fragment">but that's another talk</p> | ||
759 | </section> | ||
760 | |||
761 | <section> | ||
762 | <h1> Thank you! </h1> | ||
763 | <p> http://inaugust.com/talks/ansible-cloud.html </p> | ||
764 | <h3>Monty Taylor</h3> | ||
765 | <h3> twitter: @e_monty </h3> | ||
766 | <h4> <a href='http://inaugust.com/talks/ansible-cloud.html'>http://inaugust.com/talks/ansible-cloud.html</a> </h4> | ||
767 | </section> | ||
768 | |||
769 | </div> | ||
770 | <div class="footer"> | ||
771 | <a rel="license" href="http://creativecommons.org/licenses/by/4.0/"> | ||
772 | <img alt="Creative Commons License" | ||
773 | style="border-width:0" | ||
774 | src="https://i.creativecommons.org/l/by/4.0/88x31.png" /> | ||
775 | </a><br /> | ||
776 | Licensed under a | ||
777 | <a rel="license" | ||
778 | href="http://creativecommons.org/licenses/by/4.0/"> | ||
779 | Creative Commons Attribution 4.0 International License | ||
780 | </a>. | ||
781 | <br /> | ||
782 | Source code available at <a href='http://git.inaugust.com/cgit/inaugust.com'>http://git.inaugust.com/cgit/inaugust.com</a> | ||
783 | </div> | ||
784 | </div> | ||
785 | |||
786 | <script src="/lib/js/head.min.js"></script> | ||
787 | <script src="/js/reveal.js"></script> | ||
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789 | <script src="/js/this.js"></script> | ||
790 | |||
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792 | </html> | ||