def delete_doc_in_cloudsearch(doc_ids,
cloudsearch_domain_name,
validate=True,
region='ap-southeast-2'):
"""
:param doc_ids: the doc id array
:param cloudsearch_domain_name: the domain name
!!! This method is in-efficient for validating.
"""
conn = boto.cloudsearch2.connect_to_region(region)
domain = conn.describe_domains([cloudsearch_domain_name]) \
['DescribeDomainsResponse']['DescribeDomainsResult']['DomainStatusList']
doc_service = CloudSearchDomainConnection(
host=domain[0]['DocService']['Endpoint'], region=region)
if len(doc_ids) > 0:
batch = []
for id in doc_ids:
batch.append({"id": str(id), "type": "delete"})
doc_service.upload_documents(json.dumps(batch), 'application/json')
if validate:
# we need some time for the cloudsearch to apply the deletion.
MAX_RETRIES = 100
SLEEP_GAP = 10
for id in doc_ids:
retry = 0
while retry < MAX_RETRIES:
result = doc_service.search(query="(term field=_id '%s')" % id,
query_parser='structured')
if (result['hits']['found'] == 0):
break
retry += 1
sleep(SLEEP_GAP)
if retry >= MAX_RETRIES:
raise ValueError(
"Intended to delete cloudsearch documents with id %s, but it still exists after deletion. "
"Culprit document: %s" % (doc_ids, id))
class DocumentServiceConnection(object):
"""
A CloudSearch document service.
The DocumentServiceConection is used to add, remove and update documents in
CloudSearch. Commands are uploaded to CloudSearch in SDF (Search Document
Format).
To generate an appropriate SDF, use :func:`add` to add or update documents,
as well as :func:`delete` to remove documents.
Once the set of documents is ready to be index, use :func:`commit` to send
the commands to CloudSearch.
If there are a lot of documents to index, it may be preferable to split the
generation of SDF data and the actual uploading into CloudSearch. Retrieve
the current SDF with :func:`get_sdf`. If this file is the uploaded into S3,
it can be retrieved back afterwards for upload into CloudSearch using
:func:`add_sdf_from_s3`.
The SDF is not cleared after a :func:`commit`. If you wish to continue
using the DocumentServiceConnection for another batch upload of commands,
you will need to :func:`clear_sdf` first to stop the previous batch of
commands from being uploaded again.
"""
def __init__(self, domain=None, endpoint=None):
self.domain = domain
self.endpoint = endpoint
if not self.endpoint:
self.endpoint = domain.doc_service_endpoint
self.documents_batch = []
self._sdf = None
# Copy proxy settings from connection and check if request should be signed
self.proxy = {}
self.sign_request = False
if self.domain and self.domain.layer1:
if self.domain.layer1.use_proxy:
self.proxy = {'http': self.domain.layer1.get_proxy_url_with_auth()}
self.sign_request = getattr(self.domain.layer1, 'sign_request', False)
if self.sign_request:
# Create a domain connection to send signed requests
layer1 = self.domain.layer1
self.domain_connection = CloudSearchDomainConnection(
host=self.endpoint,
aws_access_key_id=layer1.aws_access_key_id,
aws_secret_access_key=layer1.aws_secret_access_key,
region=layer1.region,
provider=layer1.provider
)
def add(self, _id, fields):
"""
Add a document to be processed by the DocumentService
The document will not actually be added until :func:`commit` is called
:type _id: string
:param _id: A unique ID used to refer to this document.
:type fields: dict
:param fields: A dictionary of key-value pairs to be uploaded .
"""
d = {'type': 'add', 'id': _id, 'fields': fields}
self.documents_batch.append(d)
def delete(self, _id):
"""
Schedule a document to be removed from the CloudSearch service
The document will not actually be scheduled for removal until
:func:`commit` is called
:type _id: string
:param _id: The unique ID of this document.
"""
d = {'type': 'delete', 'id': _id}
self.documents_batch.append(d)
def get_sdf(self):
"""
Generate the working set of documents in Search Data Format (SDF)
:rtype: string
:returns: JSON-formatted string of the documents in SDF
"""
return self._sdf if self._sdf else json.dumps(self.documents_batch)
def clear_sdf(self):
"""
Clear the working documents from this DocumentServiceConnection
This should be used after :func:`commit` if the connection will be
reused for another set of documents.
"""
self._sdf = None
self.documents_batch = []
def add_sdf_from_s3(self, key_obj):
"""
Load an SDF from S3
Using this method will result in documents added through
:func:`add` and :func:`delete` being ignored.
:type key_obj: :class:`boto.s3.key.Key`
:param key_obj: An S3 key which contains an SDF
"""
#@todo:: (lucas) would be nice if this could just take an s3://uri..."
self._sdf = key_obj.get_contents_as_string()
def _commit_with_auth(self, sdf, api_version):
return self.domain_connection.upload_documents(sdf, 'application/json')
def _commit_without_auth(self, sdf, api_version):
url = "http://%s/%s/documents/batch" % (self.endpoint, api_version)
# Keep-alive is automatic in a post-1.0 requests world.
session = requests.Session()
session.proxies = self.proxy
adapter = requests.adapters.HTTPAdapter(
pool_connections=20,
pool_maxsize=50,
max_retries=5
)
session.mount('http://', adapter)
session.mount('https://', adapter)
resp = session.post(url, data=sdf, headers={'Content-Type': 'application/json'})
return resp
def commit(self):
"""
Actually send an SDF to CloudSearch for processing
If an SDF file has been explicitly loaded it will be used. Otherwise,
documents added through :func:`add` and :func:`delete` will be used.
:rtype: :class:`CommitResponse`
:returns: A summary of documents added and deleted
"""
sdf = self.get_sdf()
if ': null' in sdf:
boto.log.error('null value in sdf detected. This will probably '
'raise 500 error.')
index = sdf.index(': null')
boto.log.error(sdf[index - 100:index + 100])
api_version = '2013-01-01'
if self.domain and self.domain.layer1:
api_version = self.domain.layer1.APIVersion
if self.sign_request:
r = self._commit_with_auth(sdf, api_version)
else:
r = self._commit_without_auth(sdf, api_version)
return CommitResponse(r, self, sdf, signed_request=self.sign_request)
class DocumentServiceConnection(object):
"""
A CloudSearch document service.
The DocumentServiceConection is used to add, remove and update documents in
CloudSearch. Commands are uploaded to CloudSearch in SDF (Search Document
Format).
To generate an appropriate SDF, use :func:`add` to add or update documents,
as well as :func:`delete` to remove documents.
Once the set of documents is ready to be index, use :func:`commit` to send
the commands to CloudSearch.
If there are a lot of documents to index, it may be preferable to split the
generation of SDF data and the actual uploading into CloudSearch. Retrieve
the current SDF with :func:`get_sdf`. If this file is the uploaded into S3,
it can be retrieved back afterwards for upload into CloudSearch using
:func:`add_sdf_from_s3`.
The SDF is not cleared after a :func:`commit`. If you wish to continue
using the DocumentServiceConnection for another batch upload of commands,
you will need to :func:`clear_sdf` first to stop the previous batch of
commands from being uploaded again.
"""
def __init__(self, domain=None, endpoint=None):
self.domain = domain
self.endpoint = endpoint
if not self.endpoint:
self.endpoint = domain.doc_service_endpoint
self.documents_batch = []
self._sdf = None
# Copy proxy settings from connection and check if request should be signed
self.proxy = {}
self.sign_request = False
if self.domain and self.domain.layer1:
if self.domain.layer1.use_proxy:
self.proxy = {
'http': self.domain.layer1.get_proxy_url_with_auth()
}
self.sign_request = getattr(self.domain.layer1, 'sign_request',
False)
if self.sign_request:
# Create a domain connection to send signed requests
layer1 = self.domain.layer1
self.domain_connection = CloudSearchDomainConnection(
host=self.endpoint,
aws_access_key_id=layer1.aws_access_key_id,
aws_secret_access_key=layer1.aws_secret_access_key,
region=layer1.region,
provider=layer1.provider)
def add(self, _id, fields):
"""
Add a document to be processed by the DocumentService
The document will not actually be added until :func:`commit` is called
:type _id: string
:param _id: A unique ID used to refer to this document.
:type fields: dict
:param fields: A dictionary of key-value pairs to be uploaded .
"""
d = {'type': 'add', 'id': _id, 'fields': fields}
self.documents_batch.append(d)
def delete(self, _id):
"""
Schedule a document to be removed from the CloudSearch service
The document will not actually be scheduled for removal until
:func:`commit` is called
:type _id: string
:param _id: The unique ID of this document.
"""
d = {'type': 'delete', 'id': _id}
self.documents_batch.append(d)
def get_sdf(self):
"""
Generate the working set of documents in Search Data Format (SDF)
:rtype: string
:returns: JSON-formatted string of the documents in SDF
"""
return self._sdf if self._sdf else json.dumps(self.documents_batch)
def clear_sdf(self):
"""
Clear the working documents from this DocumentServiceConnection
This should be used after :func:`commit` if the connection will be
reused for another set of documents.
"""
self._sdf = None
self.documents_batch = []
def add_sdf_from_s3(self, key_obj):
"""
Load an SDF from S3
Using this method will result in documents added through
:func:`add` and :func:`delete` being ignored.
:type key_obj: :class:`boto.s3.key.Key`
:param key_obj: An S3 key which contains an SDF
"""
#@todo:: (lucas) would be nice if this could just take an s3://uri..."
self._sdf = key_obj.get_contents_as_string()
def _commit_with_auth(self, sdf, api_version):
return self.domain_connection.upload_documents(sdf, 'application/json')
def _commit_without_auth(self, sdf, api_version):
url = "http://%s/%s/documents/batch" % (self.endpoint, api_version)
# Keep-alive is automatic in a post-1.0 requests world.
session = requests.Session()
session.proxies = self.proxy
adapter = requests.adapters.HTTPAdapter(pool_connections=20,
pool_maxsize=50,
max_retries=5)
session.mount('http://', adapter)
session.mount('https://', adapter)
resp = session.post(url,
data=sdf,
headers={'Content-Type': 'application/json'})
return resp
def commit(self):
"""
Actually send an SDF to CloudSearch for processing
If an SDF file has been explicitly loaded it will be used. Otherwise,
documents added through :func:`add` and :func:`delete` will be used.
:rtype: :class:`CommitResponse`
:returns: A summary of documents added and deleted
"""
sdf = self.get_sdf()
if ': null' in sdf:
boto.log.error('null value in sdf detected. This will probably '
'raise 500 error.')
index = sdf.index(': null')
boto.log.error(sdf[index - 100:index + 100])
api_version = '2013-01-01'
if self.domain and self.domain.layer1:
api_version = self.domain.layer1.APIVersion
if self.sign_request:
r = self._commit_with_auth(sdf, api_version)
else:
r = self._commit_without_auth(sdf, api_version)
return CommitResponse(r, self, sdf, signed_request=self.sign_request)
