mirror of
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yet another rebase attempt
This commit is contained in:
Bruce Pennypacker
parent
0f458210bc
commit
2e20387671
1 changed files with 473 additions and 0 deletions
473
library/cloud/s3.orig
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473
library/cloud/s3.orig
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#!/usr/bin/python
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# This file is part of Ansible
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#
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# Ansible 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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# (at your option) any later version.
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#
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# Ansible is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
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DOCUMENTATION = '''
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---
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module: s3
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short_description: idempotent S3 module putting a file into S3.
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description:
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- This module allows the user to dictate the presence of a given file in an S3 bucket. If or once the key (file) exists in the bucket, it returns a time-expired download URL. This module has a dependency on python-boto.
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version_added: "1.1"
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options:
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bucket:
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description:
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- Bucket name.
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required: true
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default: null
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aliases: []
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object:
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description:
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- Keyname of the object inside the bucket. Can be used to create "virtual directories", see examples.
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required: false
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default: null
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aliases: []
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version_added: "1.3"
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src:
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description:
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- The source file path when performing a PUT operation.
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required: false
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default: null
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aliases: []
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version_added: "1.3"
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dest:
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description:
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- The destination file path when downloading an object/key with a GET operation.
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required: false
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default: 600
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aliases: []
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version_added: "1.3"
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overwrite:
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description:
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- Force overwrite either locally on the filesystem or remotely with the object/key. Used with PUT and GET operations.
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required: false
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default: false
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version_added: "1.2"
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mode:
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description:
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- Switches the module behaviour between put (upload), get (download), geturl (return download url (Ansible 1.3+), getstr (download object as string (1.3+)), create (bucket) and delete (bucket).
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required: true
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default: null
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aliases: []
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expiry:
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description:
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- Time limit (in seconds) for the URL generated and returned by S3/Walrus when performing a mode=put or mode=geturl operation.
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required: false
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default: null
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aliases: []
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s3_url:
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description:
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- S3 URL endpoint. If not specified then the S3_URL environment variable is used, if that variable is defined.
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default: null
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aliases: [ S3_URL ]
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<<<<<<< HEAD
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=======
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>>>>>>> yet another rebase attempt
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aws_secret_key:
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description:
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- AWS secret key. If not set then the value of the AWS_SECRET_KEY environment variable is used.
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required: false
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default: null
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aliases: ['ec2_secret_key', 'secret_key']
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aws_access_key:
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description:
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- AWS access key. If not set then the value of the AWS_ACCESS_KEY environment variable is used.
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required: false
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default: null
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aliases: [ 'ec2_access_key', 'access_key' ]
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requirements: [ "boto" ]
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author: Lester Wade, Ralph Tice
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'''
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EXAMPLES = '''
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# Simple PUT operation
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- s3: bucket=mybucket object=/my/desired/key.txt src=/usr/local/myfile.txt mode=put
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# Simple GET operation
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- s3: bucket=mybucket object=/my/desired/key.txt dest=/usr/local/myfile.txt mode=get
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# GET/download and overwrite local file (trust remote)
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- s3: bucket=mybucket object=/my/desired/key.txt dest=/usr/local/myfile.txt mode=get overwrite=true
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# PUT/upload and overwrite remote file (trust local)
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- s3: bucket=mybucket object=/my/desired/key.txt src=/usr/local/myfile.txt mode=put overwrite=true
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# Download an object as a string to use else where in your playbook
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- s3: bucket=mybucket object=/my/desired/key.txt src=/usr/local/myfile.txt mode=getstr
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# Create an empty bucket
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- s3: bucket=mybucket mode=create
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# Create a bucket with key as directory
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- s3: bucket=mybucket object=/my/directory/path mode=create
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# Delete a bucket and all contents
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- s3: bucket=mybucket mode=delete
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'''
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import sys
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import os
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import urlparse
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import hashlib
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try:
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import boto
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except ImportError:
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print "failed=True msg='boto required for this module'"
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sys.exit(1)
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def key_check(module, s3, bucket, obj):
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try:
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bucket = s3.lookup(bucket)
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key_check = bucket.get_key(obj)
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except s3.provider.storage_response_error, e:
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module.fail_json(msg= str(e))
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if key_check:
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return True
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else:
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return False
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def keysum(module, s3, bucket, obj):
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bucket = s3.lookup(bucket)
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key_check = bucket.get_key(obj)
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if key_check:
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md5_remote = key_check.etag[1:-1]
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etag_multipart = md5_remote.find('-')!=-1 #Check for multipart, etag is not md5
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if etag_multipart is True:
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module.fail_json(msg="Files uploaded with multipart of s3 are not supported with checksum, unable to compute checksum.")
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sys.exit(0)
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return md5_remote
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def bucket_check(module, s3, bucket):
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try:
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result = s3.lookup(bucket)
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except s3.provider.storage_response_error, e:
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module.fail_json(msg= str(e))
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if result:
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return True
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else:
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return False
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def create_bucket(module, s3, bucket):
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try:
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bucket = s3.create_bucket(bucket)
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except s3.provider.storage_response_error, e:
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module.fail_json(msg= str(e))
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if bucket:
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return True
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def delete_bucket(module, s3, bucket):
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try:
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bucket = s3.lookup(bucket)
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bucket_contents = bucket.list()
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bucket.delete_keys([key.name for key in bucket_contents])
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bucket.delete()
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return True
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except s3.provider.storage_response_error, e:
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module.fail_json(msg= str(e))
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def delete_key(module, s3, bucket, obj):
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try:
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bucket = s3.lookup(bucket)
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bucket.delete_key(obj)
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module.exit_json(msg="Object deleted from bucket %s"%bucket, changed=True)
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except s3.provider.storage_response_error, e:
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module.fail_json(msg= str(e))
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def create_dirkey(module, s3, bucket, obj):
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try:
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bucket = s3.lookup(bucket)
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key = bucket.new_key(obj)
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key.set_contents_from_string('')
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module.exit_json(msg="Virtual directory %s created in bucket %s" % (obj, bucket.name), changed=True)
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except s3.provider.storage_response_error, e:
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module.fail_json(msg= str(e))
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def upload_file_check(src):
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if os.path.exists(src):
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file_exists is True
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else:
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file_exists is False
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if os.path.isdir(src):
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module.fail_json(msg="Specifying a directory is not a valid source for upload.", failed=True)
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sys.exit(0)
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return file_exists
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def path_check(path):
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if os.path.exists(path):
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return True
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else:
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return False
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def upload_s3file(module, s3, bucket, obj, src, expiry):
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try:
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bucket = s3.lookup(bucket)
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key = bucket.new_key(obj)
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key.set_contents_from_filename(src)
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url = key.generate_url(expiry)
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module.exit_json(msg="PUT operation complete", url=url, changed=True)
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sys.exit(0)
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except s3.provider.storage_copy_error, e:
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module.fail_json(msg= str(e))
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def download_s3file(module, s3, bucket, obj, dest):
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try:
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bucket = s3.lookup(bucket)
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key = bucket.lookup(obj)
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key.get_contents_to_filename(dest)
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module.exit_json(msg="GET operation complete", changed=True)
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sys.exit(0)
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except s3.provider.storage_copy_error, e:
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module.fail_json(msg= str(e))
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def download_s3str(module, s3, bucket, obj):
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try:
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bucket = s3.lookup(bucket)
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key = bucket.lookup(obj)
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contents = key.get_contents_as_string()
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module.exit_json(msg="GET operation complete", contents=contents, changed=True)
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sys.exit(0)
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except s3.provider.storage_copy_error, e:
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module.fail_json(msg= str(e))
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def get_download_url(module, s3, bucket, obj, expiry):
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try:
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bucket = s3.lookup(bucket)
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key = bucket.lookup(obj)
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url = key.generate_url(expiry)
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module.exit_json(msg="Download url:", url=url, expiry=expiry, changed=True)
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sys.exit(0)
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except s3.provider.storage_response_error, e:
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module.fail_json(msg= str(e))
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def main():
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module = AnsibleModule(
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argument_spec = dict(
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bucket = dict(required=True),
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object = dict(),
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src = dict(),
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dest = dict(),
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mode = dict(choices=['get', 'put', 'delete', 'create', 'geturl', 'getstr'], required=True),
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expiry = dict(default=600, aliases=['expiration']),
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s3_url = dict(aliases=['S3_URL']),
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aws_secret_key = dict(aliases=['ec2_secret_key', 'secret_key'], no_log=True, required=False),
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aws_access_key = dict(aliases=['ec2_access_key', 'access_key'], required=False),
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overwrite = dict(default=False, type='bool'),
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),
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)
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bucket = module.params.get('bucket')
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obj = module.params.get('object')
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src = module.params.get('src')
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dest = module.params.get('dest')
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mode = module.params.get('mode')
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expiry = int(module.params['expiry'])
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s3_url = module.params.get('s3_url')
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aws_secret_key = module.params.get('aws_secret_key')
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aws_access_key = module.params.get('aws_access_key')
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overwrite = module.params.get('overwrite')
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if module.params.get('object'):
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obj = os.path.expanduser(module.params['object'])
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# allow eucarc environment variables to be used if ansible vars aren't set
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if not s3_url and 'S3_URL' in os.environ:
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s3_url = os.environ['S3_URL']
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if not aws_secret_key:
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if 'AWS_SECRET_KEY' in os.environ:
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aws_secret_key = os.environ['AWS_SECRET_KEY']
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elif 'EC2_SECRET_KEY' in os.environ:
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aws_secret_key = os.environ['EC2_SECRET_KEY']
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if not aws_access_key:
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if 'AWS_ACCESS_KEY' in os.environ:
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aws_access_key = os.environ['AWS_ACCESS_KEY']
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elif 'EC2_ACCESS_KEY' in os.environ:
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aws_access_key = os.environ['EC2_ACCESS_KEY']
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# If we have an S3_URL env var set, this is likely to be Walrus, so change connection method
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if 'S3_URL' in os.environ:
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try:
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walrus = urlparse.urlparse(s3_url).hostname
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s3 = boto.connect_walrus(walrus, aws_access_key, aws_secret_key)
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except boto.exception.NoAuthHandlerFound, e:
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module.fail_json(msg = str(e))
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else:
|
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try:
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s3 = boto.connect_s3(aws_access_key, aws_secret_key)
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except boto.exception.NoAuthHandlerFound, e:
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module.fail_json(msg = str(e))
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# If our mode is a GET operation (download), go through the procedure as appropriate ...
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if mode == 'get':
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# First, we check to see if the bucket exists, we get "bucket" returned.
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bucketrtn = bucket_check(module, s3, bucket)
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if bucketrtn is False:
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module.fail_json(msg="Target bucket cannot be found", failed=True)
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sys.exit(0)
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# Next, we check to see if the key in the bucket exists. If it exists, it also returns key_matches md5sum check.
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keyrtn = key_check(module, s3, bucket, obj)
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if keyrtn is False:
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module.fail_json(msg="Target key cannot be found", failed=True)
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sys.exit(0)
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# If the destination path doesn't exist, no need to md5um etag check, so just download.
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pathrtn = path_check(dest)
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if pathrtn is False:
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download_s3file(module, s3, bucket, obj, dest)
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|
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# Compare the remote MD5 sum of the object with the local dest md5sum, if it already exists.
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if pathrtn is True:
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md5_remote = keysum(module, s3, bucket, obj)
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md5_local = hashlib.md5(open(dest, 'rb').read()).hexdigest()
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if md5_local == md5_remote:
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sum_matches = True
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if overwrite is True:
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download_s3file(module, s3, bucket, obj, dest)
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else:
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module.exit_json(msg="Local and remote object are identical, ignoring. Use overwrite parameter to force.", changed=False)
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else:
|
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sum_matches = False
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if overwrite is True:
|
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download_s3file(module, s3, bucket, obj, dest)
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else:
|
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module.fail_json(msg="WARNING: Checksums do not match. Use overwrite parameter to force download.", failed=True)
|
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|
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# If destination file doesn't already exist we can go ahead and download.
|
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if pathrtn is False:
|
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download_s3file(module, s3, bucket, obj, dest)
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|
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# Firstly, if key_matches is TRUE and overwrite is not enabled, we EXIT with a helpful message.
|
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if sum_matches is True and overwrite is False:
|
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module.exit_json(msg="Local and remote object are identical, ignoring. Use overwrite parameter to force.", changed=False)
|
||||
|
||||
# At this point explicitly define the overwrite condition.
|
||||
if sum_matches is True and pathrtn is True and overwrite is True:
|
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download_s3file(module, s3, bucket, obj, dest)
|
||||
|
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# If sum does not match but the destination exists, we
|
||||
|
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# if our mode is a PUT operation (upload), go through the procedure as appropriate ...
|
||||
if mode == 'put':
|
||||
|
||||
# Use this snippet to debug through conditionals:
|
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# module.exit_json(msg="Bucket return %s"%bucketrtn)
|
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# sys.exit(0)
|
||||
|
||||
# Lets check the src path.
|
||||
pathrtn = path_check(src)
|
||||
if pathrtn is False:
|
||||
module.fail_json(msg="Local object for PUT does not exist", failed=True)
|
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sys.exit(0)
|
||||
|
||||
# Lets check to see if bucket exists to get ground truth.
|
||||
bucketrtn = bucket_check(module, s3, bucket)
|
||||
keyrtn = key_check(module, s3, bucket, obj)
|
||||
|
||||
# Lets check key state. Does it exist and if it does, compute the etag md5sum.
|
||||
if bucketrtn is True and keyrtn is True:
|
||||
md5_remote = keysum(module, s3, bucket, obj)
|
||||
md5_local = hashlib.md5(open(src, 'rb').read()).hexdigest()
|
||||
if md5_local == md5_remote:
|
||||
sum_matches = True
|
||||
if overwrite is True:
|
||||
upload_s3file(module, s3, bucket, obj, src, expiry)
|
||||
else:
|
||||
module.exit_json(msg="Local and remote object are identical, ignoring. Use overwrite parameter to force.", changed=False)
|
||||
else:
|
||||
sum_matches = False
|
||||
if overwrite is True:
|
||||
upload_s3file(module, s3, bucket, obj, src, expiry)
|
||||
else:
|
||||
module.exit_json(msg="WARNING: Checksums do not match. Use overwrite parameter to force upload.", failed=True)
|
||||
|
||||
# If neither exist (based on bucket existence), we can create both.
|
||||
if bucketrtn is False and pathrtn is True:
|
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create_bucket(module, s3, bucket)
|
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upload_s3file(module, s3, bucket, obj, src, expiry)
|
||||
|
||||
# If bucket exists but key doesn't, just upload.
|
||||
if bucketrtn is True and pathrtn is True and keyrtn is False:
|
||||
upload_s3file(module, s3, bucket, obj, src, expiry)
|
||||
|
||||
# Support for deleting an object if we have both params.
|
||||
if mode == 'delete':
|
||||
if bucket:
|
||||
bucketrtn = bucket_check(module, s3, bucket)
|
||||
if bucketrtn is True:
|
||||
deletertn = delete_bucket(module, s3, bucket)
|
||||
if deletertn is True:
|
||||
module.exit_json(msg="Bucket %s and all keys have been deleted."%bucket, changed=True)
|
||||
else:
|
||||
module.fail_json(msg="Bucket does not exist.", failed=True)
|
||||
else:
|
||||
module.fail_json(msg="Bucket parameter is required.", failed=True)
|
||||
|
||||
# Need to research how to create directories without "populating" a key, so this should just do bucket creation for now.
|
||||
# WE SHOULD ENABLE SOME WAY OF CREATING AN EMPTY KEY TO CREATE "DIRECTORY" STRUCTURE, AWS CONSOLE DOES THIS.
|
||||
if mode == 'create':
|
||||
if bucket and not obj:
|
||||
bucketrtn = bucket_check(module, s3, bucket)
|
||||
if bucketrtn is True:
|
||||
module.exit_json(msg="Bucket already exists.", changed=False)
|
||||
else:
|
||||
created = create_bucket(module, s3, bucket)
|
||||
if bucket and obj:
|
||||
bucketrtn = bucket_check(module, s3, bucket)
|
||||
if obj.endswith('/'):
|
||||
dirobj = obj
|
||||
else:
|
||||
dirobj = obj + "/"
|
||||
if bucketrtn is True:
|
||||
keyrtn = key_check(module, s3, bucket, dirobj)
|
||||
if keyrtn is True:
|
||||
module.exit_json(msg="Bucket %s and key %s already exists."% (bucket, obj), changed=False)
|
||||
else:
|
||||
create_dirkey(module, s3, bucket, dirobj)
|
||||
if bucketrtn is False:
|
||||
created = create_bucket(module, s3, bucket)
|
||||
create_dirkey(module, s3, bucket, dirobj)
|
||||
|
||||
# Support for grabbing the time-expired URL for an object in S3/Walrus.
|
||||
if mode == 'geturl':
|
||||
if bucket and obj:
|
||||
bucketrtn = bucket_check(module, s3, bucket)
|
||||
if bucketrtn is False:
|
||||
module.fail_json(msg="Bucket %s does not exist."%bucket, failed=True)
|
||||
else:
|
||||
keyrtn = key_check(module, s3, bucket, obj)
|
||||
if keyrtn is True:
|
||||
get_download_url(module, s3, bucket, obj, expiry)
|
||||
else:
|
||||
module.fail_json(msg="Key %s does not exist."%obj, failed=True)
|
||||
else:
|
||||
module.fail_json(msg="Bucket and Object parameters must be set", failed=True)
|
||||
sys.exit(0)
|
||||
|
||||
if mode == 'getstr':
|
||||
if bucket and obj:
|
||||
bucketrtn = bucket_check(module, s3, bucket)
|
||||
if bucketrtn is False:
|
||||
module.fail_json(msg="Bucket %s does not exist."%bucket, failed=True)
|
||||
else:
|
||||
keyrtn = key_check(module, s3, bucket, obj)
|
||||
if keyrtn is True:
|
||||
download_s3str(module, s3, bucket, obj)
|
||||
else:
|
||||
module.fail_json(msg="Key %s does not exist."%obj, failed=True)
|
||||
|
||||
sys.exit(0)
|
||||
|
||||
# this is magic, see lib/ansible/module_common.py
|
||||
#<<INCLUDE_ANSIBLE_MODULE_COMMON>>
|
||||
|
||||
main()
|
||||
Loading…
Reference in a new issue