質問編集履歴
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2020/4/25(土)追記
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頂いた回答を基に修正したコードです。
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```Python
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import sys
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import os.path
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import subprocess
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import re
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from paramiko import SSHConfig
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from io import StringIO
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from optparse import OptionParser
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from collections import defaultdict
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try:
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import json
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except:
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import simplejson as json
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_group = 'vagrant' # a default group
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_ssh_to_ansible = [('user', 'ansible_ssh_user'),
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('hostname', 'ansible_ssh_host'),
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('identityfile', 'ansible_ssh_private_key_file'),
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('port', 'ansible_ssh_port')]
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# Options
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# ------------------------------
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parser = OptionParser(usage="%prog [options] --list | --host <machine>")
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parser.add_option('--list', default=False, dest="list", action="store_true",
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help="Produce a JSON consumable grouping of Vagrant servers for Ansible")
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parser.add_option('--host', default=None, dest="host",
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help="Generate additional host specific details for given host for Ansible")
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(options, args) = parser.parse_args()
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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#
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# helper functions
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#
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# get all the ssh configs for all boxes in an array of dictionaries.
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def get_ssh_config():
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return dict((k, get_a_ssh_config(k)) for k in list_running_boxes())
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# list all the running boxes
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def list_running_boxes():
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output = subprocess.check_output(["vagrant", "status"]).split('\n')
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boxes = []
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for line in output:
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matcher = re.search("([^\s]+)[\s]+running (.+", line)
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if matcher:
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boxes.append(matcher.group(1))
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return boxes
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# get the ssh config for a single box
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def get_a_ssh_config(box_name):
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"""Gives back a map of all the machine's ssh configurations"""
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output = subprocess.check_output(["vagrant", "ssh-config", box_name])
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config = SSHConfig()
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config.parse(StringIO(output))
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host_config = config.lookup(box_name)
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# man 5 ssh_config:
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#
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# > It is possible to have multiple identity files ...
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# > all these identities will be tried in sequence.
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for id in host_config['identityfile']:
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if os.path.isfile(id):
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host_config['identityfile'] = id
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return dict((v, host_config[k]) for k, v in _ssh_to_ansible)
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# List out servers that vagrant has running
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# ------------------------------
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if options.list:
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ssh_config = get_ssh_config()
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meta = defaultdict(dict)
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for host in ssh_config:
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meta['hostvars'][host] = ssh_config[host]
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print((json.dumps({_group: list(ssh_config.keys()), '_meta': meta})))
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sys.exit(0)
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# G
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# Get out the host details
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# ------------------------------
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elif options.host:
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print((json.dumps(get_a_ssh_config(options.host))))
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sys.exit(0)
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# Print out help
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# ------------------------------
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else:
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parser.print_help()
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sys.exit(0)
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実行結果
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yuta@yuta-PC:~/Desktop/work/ansible/ansible-tutorial$ ./vagrant.py --list
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Traceback (most recent call last):
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File "./vagrant.py", line 108, in <module>
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ssh_config = get_ssh_config()
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File "./vagrant.py", line 70, in get_ssh_config
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return dict((k, get_a_ssh_config(k)) for k in list_running_boxes())
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File "./vagrant.py", line 75, in list_running_boxes
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output = subprocess.check_output(["vagrant", "status"]).split('\n')
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TypeError: a bytes-like object is required, not 'str'
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```
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書籍の想定出力ですと以下のようになるみたいです。
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```Python
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{
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"vagrant": [
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"default"
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],
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"_meta": {
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"hostvars": {
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"default": {
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"ansible_ssh_host": "127.0.0.1",
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"ansible_ssh_port": "2222",
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"ansible_ssh_user": "vagrant",
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"ansible_ssh_private_key_file": "Users/username/ansible-tutorial/.vagrant/machines/default/virtualbox/private_key"
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}
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}
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}
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}
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```
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もともとPython2系で書かれていたみたいで、2to3ツールで3に変換した上で実行したのですが、エラーが発生しました。
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以前も[同じようなエラーが出た時に質問した](https://teratail.com/questions/253116)のですが、
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TypeError: a bytes-like object is required, not 'str' 左記のエラーから文字コードを指定してバイト型に変換する必要があるとのことで、
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output = subprocess.check_output([**b**"vagrant", **b**"status"]).split('\n')
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上記のようにバイト変換をしましたが、結果は変わりませんでした。
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前提条件となるVagrantの起動は完了しております。
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他にどうすればよいのか分からなくてわかる人がいましたらご教授お願いいたします。
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追記
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レシーバにdecode()を修正して実行しましたが、別エラーが発生しました。
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```Python
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# list all the running boxes
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def list_running_boxes():
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output = subprocess.check_output(["vagrant", "status"]).decode().split('\n')
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boxes = []
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for line in output:
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matcher = re.search("([^\s]+)[\s]+running (.+", line)
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if matcher:
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boxes.append(matcher.group(1))
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return boxes
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実行結果
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yuta@yuta-PC:~/Desktop/work/ansible/ansible-tutorial$ ./vagrant.py --list
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Traceback (most recent call last):
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File "./vagrant.py", line 108, in <module>
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ssh_config = get_ssh_config()
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File "./vagrant.py", line 70, in get_ssh_config
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return dict((k, get_a_ssh_config(k)) for k in list_running_boxes())
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File "./vagrant.py", line 70, in <genexpr>
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return dict((k, get_a_ssh_config(k)) for k in list_running_boxes())
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File "./vagrant.py", line 93, in get_a_ssh_config
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config.parse(StringIO(output))
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TypeError: initial_value must be str or None, not bytes
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```
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365
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頂いた回答を基に修正したコードです。
|
366
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+
|
367
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+
```Python
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370
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#!/usr/bin/env python
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|
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|
375
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import sys
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376
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|
377
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import os.path
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import subprocess
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|
381
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import re
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|
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from paramiko import SSHConfig
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384
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|
385
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from io import BytesIO
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386
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+
|
387
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from optparse import OptionParser
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388
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|
389
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from collections import defaultdict
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390
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|
391
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try:
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|
393
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import json
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|
395
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except:
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|
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import simplejson as json
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|
399
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400
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|
401
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+
_group = 'vagrant' # a default group
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402
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|
403
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_ssh_to_ansible = [('user', 'ansible_ssh_user'),
|
404
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+
|
405
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+
('hostname', 'ansible_ssh_host'),
|
406
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+
|
407
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+
('identityfile', 'ansible_ssh_private_key_file'),
|
408
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+
|
409
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+
('port', 'ansible_ssh_port')]
|
410
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+
|
411
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+
|
412
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+
|
413
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+
# Options
|
414
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+
|
415
|
+
# ------------------------------
|
416
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+
|
417
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+
|
418
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+
|
419
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+
parser = OptionParser(usage="%prog [options] --list | --host <machine>")
|
420
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+
|
421
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+
parser.add_option('--list', default=False, dest="list", action="store_true",
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+
|
423
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+
help="Produce a JSON consumable grouping of Vagrant servers for Ansible")
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424
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+
|
425
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+
parser.add_option('--host', default=None, dest="host",
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426
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+
|
427
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+
help="Generate additional host specific details for given host for Ansible")
|
428
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+
|
429
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+
(options, args) = parser.parse_args()
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+
|
431
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+
|
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432
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61
433
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#
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434
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63
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#
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# helper functions
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-
|
65
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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67
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437
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#
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# Thanks to the spacewalk.py inventory script for giving me the basic structure
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# of this.
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#
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-
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-
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import sys
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-
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import os.path
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-
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83
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-
import subprocess
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84
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-
|
85
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-
import re
|
86
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-
|
87
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-
from paramiko import SSHConfig
|
88
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-
|
89
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-
from io import StringIO
|
90
|
-
|
91
|
-
from optparse import OptionParser
|
92
|
-
|
93
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-
from collections import defaultdict
|
94
|
-
|
95
|
-
try:
|
96
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-
|
97
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-
import json
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98
|
-
|
99
|
-
except:
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-
|
101
|
-
import simplejson as json
|
102
|
-
|
103
|
-
|
104
|
-
|
105
|
-
_group = 'vagrant' # a default group
|
106
|
-
|
107
|
-
_ssh_to_ansible = [('user', 'ansible_ssh_user'),
|
108
|
-
|
109
|
-
('hostname', 'ansible_ssh_host'),
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# ------------------------------
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help="Produce a JSON consumable grouping of Vagrant servers for Ansible")
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# helper functions
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def list_running_boxes():
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output = subprocess.check_output([b"vagrant", b"status"]).split(b'\n') #bを追加してbyte変換
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matcher = re.search("([^\s]+)[\s]+running (.+", line)
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matcher = re.search(b"([^\s]+)[\s]+running (.+", line) #bを追加してbyte変換
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config = SSHConfig()
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config.parse(BytesIO(output))
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host_config = config.lookup(box_name)
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|
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|
|
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実行
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実行
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|
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|
+
|
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|
-
y
|
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|
+
python vagrant.py --list
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Traceback (most recent call last):
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File "
|
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+
File "vagrant.py", line 108, in <module>
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ssh_config = get_ssh_config()
|
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|
|
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|
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File "
|
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|
+
File "vagrant.py", line 70, in get_ssh_config
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|
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577
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return dict((k, get_a_ssh_config(k)) for k in list_running_boxes())
|
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|
|
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|
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File "vagrant.py", line 70, in <genexpr>
|
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|
+
|
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|
+
return dict((k, get_a_ssh_config(k)) for k in list_running_boxes())
|
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+
|
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|
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File "
|
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|
+
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|
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|
+
|
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|
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|
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config.parse(BytesIO(output))
|
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|
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File "/home/yuta/.pyenv/versions/3.8.2/lib/python3.8/site-packages/paramiko/config.py", line 136, in parse
|
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+
|
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o
|
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|
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if not line or line.startswith("#"):
|
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|
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|
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TypeError: a bytes
|
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|
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TypeError: startswith first arg must be bytes or a tuple of bytes, not str
|
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|
+
|
593
|
+
|
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|
+
|
595
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+
|
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|
|
289
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|
```
|
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|
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291
599
|
|
292
600
|
|
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|
-
書籍の想定出力ですと以下のようになるみたいです。
|
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|
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```Python
|
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|
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|
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|
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{
|
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|
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|
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|
-
"vagrant": [
|
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|
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|
301
|
-
"default"
|
302
|
-
|
303
|
-
],
|
304
|
-
|
305
|
-
"_meta": {
|
306
|
-
|
307
|
-
"hostvars": {
|
308
|
-
|
309
|
-
"default": {
|
310
|
-
|
311
|
-
"ansible_ssh_host": "127.0.0.1",
|
312
|
-
|
313
|
-
"ansible_ssh_port": "2222",
|
314
|
-
|
315
|
-
"ansible_ssh_user": "vagrant",
|
316
|
-
|
317
|
-
"ansible_ssh_private_key_file": "Users/username/ansible-tutorial/.vagrant/machines/default/virtualbox/private_key"
|
318
|
-
|
319
|
-
}
|
320
|
-
|
321
|
-
}
|
322
|
-
|
323
|
-
}
|
324
|
-
|
325
|
-
}
|
326
|
-
|
327
|
-
```
|
328
|
-
|
329
|
-
|
330
|
-
|
331
|
-
もともとPython2系で書かれていたみたいで、2to3ツールで3に変換した上で実行したのですが、エラーが発生しました。
|
332
|
-
|
333
|
-
|
601
|
+
エラーの内容から最初の引数をバイトにしないといけないと出力されていますが、エラー先がpyenv以下のparamikoパッケージのコンフィグファイルであり、この部分を修正するということでしょうか?
|
334
|
-
|
335
|
-
|
602
|
+
|
336
|
-
|
337
|
-
output = subprocess.check_output([**b**"vagrant", **b**"status"]).split('\n')
|
338
|
-
|
339
|
-
上記のようにバイト変換をしましたが、結果は変わりませんでした。
|
340
|
-
|
341
|
-
前提条件となるVagrantの起動は完了しております。
|
342
|
-
|
343
|
-
|
603
|
+
pip でインストールしたモジュールのコンフィグファイルを変更することに少し不安感を覚えるのですがこの考えは間違っていないのかご教授お願いいたします。
|
344
|
-
|
345
|
-
|
346
|
-
|
347
|
-
追記
|
348
|
-
|
349
|
-
レシーバにdecode()を修正して実行しましたが、別エラーが発生しました。
|
350
|
-
|
351
|
-
```Python
|
352
|
-
|
353
|
-
# list all the running boxes
|
354
|
-
|
355
|
-
def list_running_boxes():
|
356
|
-
|
357
|
-
output = subprocess.check_output(["vagrant", "status"]).decode().split('\n')
|
358
|
-
|
359
|
-
|
360
|
-
|
361
|
-
boxes = []
|
362
|
-
|
363
|
-
|
364
|
-
|
365
|
-
for line in output:
|
366
|
-
|
367
|
-
matcher = re.search("([^\s]+)[\s]+running (.+", line)
|
368
|
-
|
369
|
-
if matcher:
|
370
|
-
|
371
|
-
boxes.append(matcher.group(1))
|
372
|
-
|
373
|
-
|
374
|
-
|
375
|
-
return boxes
|
376
|
-
|
377
|
-
|
378
|
-
|
379
|
-
実行結果
|
380
|
-
|
381
|
-
yuta@yuta-PC:~/Desktop/work/ansible/ansible-tutorial$ ./vagrant.py --list
|
382
|
-
|
383
|
-
Traceback (most recent call last):
|
384
|
-
|
385
|
-
File "./vagrant.py", line 108, in <module>
|
386
|
-
|
387
|
-
ssh_config = get_ssh_config()
|
388
|
-
|
389
|
-
File "./vagrant.py", line 70, in get_ssh_config
|
390
|
-
|
391
|
-
return dict((k, get_a_ssh_config(k)) for k in list_running_boxes())
|
392
|
-
|
393
|
-
File "./vagrant.py", line 70, in <genexpr>
|
394
|
-
|
395
|
-
return dict((k, get_a_ssh_config(k)) for k in list_running_boxes())
|
396
|
-
|
397
|
-
File "./vagrant.py", line 93, in get_a_ssh_config
|
398
|
-
|
399
|
-
config.parse(StringIO(output))
|
400
|
-
|
401
|
-
TypeError: initial_value must be str or None, not bytes
|
402
|
-
|
403
|
-
```
|
1
追記分の追加
test
CHANGED
File without changes
|
test
CHANGED
@@ -6,7 +6,7 @@
|
|
6
6
|
|
7
7
|
##エラーの詳細
|
8
8
|
|
9
|
-
Ansibleの勉強のために以下の技術書に記載されているDynamic Inventoryスクリプトを起動しましたが型エラーでつまずいてしまいました。
|
9
|
+
Ansibleの勉強のために以下の[技術書](https://www.amazon.co.jp/Ansible%E5%BE%B9%E5%BA%95%E5%85%A5%E9%96%80-%E3%82%AF%E3%83%A9%E3%82%A6%E3%83%89%E6%99%82%E4%BB%A3%E3%81%AE%E6%96%B0%E3%81%97%E3%81%84%E6%A7%8B%E6%88%90%E7%AE%A1%E7%90%86%E3%81%AE%E5%AE%9F%E7%8F%BE-%E5%BB%A3%E5%B7%9D-%E8%8B%B1%E5%AF%BF/dp/4798149942)に記載されているDynamic Inventoryスクリプトを起動しましたが型エラーでつまずいてしまいました。
|
10
10
|
|
11
11
|
```Python
|
12
12
|
|
@@ -341,3 +341,63 @@
|
|
341
341
|
前提条件となるVagrantの起動は完了しております。
|
342
342
|
|
343
343
|
他にどうすればよいのか分からなくてわかる人がいましたらご教授お願いいたします。
|
344
|
+
|
345
|
+
|
346
|
+
|
347
|
+
追記
|
348
|
+
|
349
|
+
レシーバにdecode()を修正して実行しましたが、別エラーが発生しました。
|
350
|
+
|
351
|
+
```Python
|
352
|
+
|
353
|
+
# list all the running boxes
|
354
|
+
|
355
|
+
def list_running_boxes():
|
356
|
+
|
357
|
+
output = subprocess.check_output(["vagrant", "status"]).decode().split('\n')
|
358
|
+
|
359
|
+
|
360
|
+
|
361
|
+
boxes = []
|
362
|
+
|
363
|
+
|
364
|
+
|
365
|
+
for line in output:
|
366
|
+
|
367
|
+
matcher = re.search("([^\s]+)[\s]+running (.+", line)
|
368
|
+
|
369
|
+
if matcher:
|
370
|
+
|
371
|
+
boxes.append(matcher.group(1))
|
372
|
+
|
373
|
+
|
374
|
+
|
375
|
+
return boxes
|
376
|
+
|
377
|
+
|
378
|
+
|
379
|
+
実行結果
|
380
|
+
|
381
|
+
yuta@yuta-PC:~/Desktop/work/ansible/ansible-tutorial$ ./vagrant.py --list
|
382
|
+
|
383
|
+
Traceback (most recent call last):
|
384
|
+
|
385
|
+
File "./vagrant.py", line 108, in <module>
|
386
|
+
|
387
|
+
ssh_config = get_ssh_config()
|
388
|
+
|
389
|
+
File "./vagrant.py", line 70, in get_ssh_config
|
390
|
+
|
391
|
+
return dict((k, get_a_ssh_config(k)) for k in list_running_boxes())
|
392
|
+
|
393
|
+
File "./vagrant.py", line 70, in <genexpr>
|
394
|
+
|
395
|
+
return dict((k, get_a_ssh_config(k)) for k in list_running_boxes())
|
396
|
+
|
397
|
+
File "./vagrant.py", line 93, in get_a_ssh_config
|
398
|
+
|
399
|
+
config.parse(StringIO(output))
|
400
|
+
|
401
|
+
TypeError: initial_value must be str or None, not bytes
|
402
|
+
|
403
|
+
```
|