forked from googleapis/python-bigtable
/
snippets.py
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/
snippets.py
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#!/usr/bin/env python
# Copyright 2018, Google LLC
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Testable usage examples for Google Cloud Bigtable API wrapper
Each example function takes a ``client`` argument (which must be an instance
of :class:`google.cloud.bigtable.client.Client`) and uses it to perform a task
with the API.
To facilitate running the examples as system tests, each example is also passed
a ``to_delete`` list; the function adds to the list any objects created which
need to be deleted during teardown.
.. note::
This file is under progress and will be updated with more guidance from
the team. Unit tests will be added with guidance from the team.
"""
import datetime
import pytest
from google.api_core.exceptions import DeadlineExceeded
from google.api_core.exceptions import NotFound
from google.api_core.exceptions import TooManyRequests
from google.api_core.exceptions import ServiceUnavailable
from test_utils.system import unique_resource_id
from test_utils.retry import RetryErrors
from google.cloud._helpers import UTC
from google.cloud.bigtable import Client
from google.cloud.bigtable import enums
UNIQUE_SUFFIX = unique_resource_id("-")
INSTANCE_ID = "snippet-tests" + UNIQUE_SUFFIX
CLUSTER_ID = "clus-1-" + UNIQUE_SUFFIX
APP_PROFILE_ID = "app-prof" + UNIQUE_SUFFIX
TABLE_ID = "tabl-1" + UNIQUE_SUFFIX
ROUTING_POLICY_TYPE = enums.RoutingPolicyType.ANY
LOCATION_ID = "us-central1-f"
ALT_LOCATION_ID = "us-central1-a"
PRODUCTION = enums.Instance.Type.PRODUCTION
SERVER_NODES = 3
STORAGE_TYPE = enums.StorageType.SSD
LABEL_KEY = u"python-snippet"
LABEL_STAMP = (
datetime.datetime.utcnow()
.replace(microsecond=0, tzinfo=UTC)
.strftime("%Y-%m-%dt%H-%M-%S")
)
LABELS = {LABEL_KEY: str(LABEL_STAMP)}
INSTANCES_TO_DELETE = []
retry_429_503 = RetryErrors((ServiceUnavailable, TooManyRequests), max_tries=9)
retry_504 = RetryErrors(DeadlineExceeded, max_tries=4)
class Config(object):
"""Run-time configuration to be modified at set-up.
This is a mutable stand-in to allow test set-up to modify
global state.
"""
CLIENT = None
INSTANCE = None
TABLE = None
def setup_module():
client = Config.CLIENT = Client(admin=True)
Config.INSTANCE = client.instance(
INSTANCE_ID, instance_type=PRODUCTION, labels=LABELS
)
cluster = Config.INSTANCE.cluster(
CLUSTER_ID,
location_id=LOCATION_ID,
serve_nodes=SERVER_NODES,
default_storage_type=STORAGE_TYPE,
)
operation = Config.INSTANCE.create(clusters=[cluster])
# We want to make sure the operation completes.
operation.result(timeout=100)
Config.TABLE = Config.INSTANCE.table(TABLE_ID)
retry_504(Config.TABLE.create)()
def teardown_module():
retry_429_503(Config.INSTANCE.delete)()
for instance in INSTANCES_TO_DELETE:
try:
retry_429_503(instance.delete)()
except NotFound:
pass
def test_bigtable_create_instance():
# [START bigtable_api_create_prod_instance]
from google.cloud.bigtable import Client
from google.cloud.bigtable import enums
my_instance_id = "inst-my-" + UNIQUE_SUFFIX
my_cluster_id = "clus-my-" + UNIQUE_SUFFIX
location_id = "us-central1-f"
serve_nodes = 1
storage_type = enums.StorageType.SSD
production = enums.Instance.Type.PRODUCTION
labels = {"prod-label": "prod-label"}
client = Client(admin=True)
instance = client.instance(my_instance_id, instance_type=production, labels=labels)
cluster = instance.cluster(
my_cluster_id,
location_id=location_id,
serve_nodes=serve_nodes,
default_storage_type=storage_type,
)
operation = instance.create(clusters=[cluster])
# We want to make sure the operation completes.
operation.result(timeout=100)
# [END bigtable_api_create_prod_instance]
try:
assert instance.exists()
finally:
retry_429_503(instance.delete)()
def test_bigtable_create_additional_cluster():
# [START bigtable_api_create_cluster]
from google.cloud.bigtable import Client
from google.cloud.bigtable import enums
# Assuming that there is an existing instance with `INSTANCE_ID`
# on the server already.
# to create an instance see
# 'https://cloud.google.com/bigtable/docs/creating-instance'
client = Client(admin=True)
instance = client.instance(INSTANCE_ID)
cluster_id = "clus-my-" + UNIQUE_SUFFIX
location_id = "us-central1-a"
serve_nodes = 1
storage_type = enums.StorageType.SSD
cluster = instance.cluster(
cluster_id,
location_id=location_id,
serve_nodes=serve_nodes,
default_storage_type=storage_type,
)
operation = cluster.create()
# We want to make sure the operation completes.
operation.result(timeout=100)
# [END bigtable_api_create_cluster]
try:
assert cluster.exists()
finally:
retry_429_503(cluster.delete)()
def test_bigtable_create_reload_delete_app_profile():
import re
# [START bigtable_api_create_app_profile]
from google.cloud.bigtable import Client
from google.cloud.bigtable import enums
routing_policy_type = enums.RoutingPolicyType.ANY
client = Client(admin=True)
instance = client.instance(INSTANCE_ID)
description = "routing policy-multy"
app_profile = instance.app_profile(
app_profile_id=APP_PROFILE_ID,
routing_policy_type=routing_policy_type,
description=description,
cluster_id=CLUSTER_ID,
)
app_profile = app_profile.create(ignore_warnings=True)
# [END bigtable_api_create_app_profile]
# [START bigtable_api_app_profile_name]
from google.cloud.bigtable import Client
client = Client(admin=True)
instance = client.instance(INSTANCE_ID)
app_profile = instance.app_profile(APP_PROFILE_ID)
app_profile_name = app_profile.name
# [END bigtable_api_app_profile_name]
_profile_name_re = re.compile(
r"^projects/(?P<project>[^/]+)/"
r"instances/(?P<instance>[^/]+)/"
r"appProfiles/(?P<appprofile_id>"
r"[_a-zA-Z0-9][-_.a-zA-Z0-9]*)$"
)
assert _profile_name_re.match(app_profile_name)
# [START bigtable_api_app_profile_exists]
from google.cloud.bigtable import Client
client = Client(admin=True)
instance = client.instance(INSTANCE_ID)
app_profile = instance.app_profile(APP_PROFILE_ID)
app_profile_exists = app_profile.exists()
# [END bigtable_api_app_profile_exists]
assert app_profile_exists
# [START bigtable_api_reload_app_profile]
from google.cloud.bigtable import Client
client = Client(admin=True)
instance = client.instance(INSTANCE_ID)
app_profile = instance.app_profile(APP_PROFILE_ID)
app_profile.reload()
# [END bigtable_api_reload_app_profile]
assert app_profile.routing_policy_type == ROUTING_POLICY_TYPE
# [START bigtable_api_update_app_profile]
from google.cloud.bigtable import Client
client = Client(admin=True)
instance = client.instance(INSTANCE_ID)
app_profile = instance.app_profile(APP_PROFILE_ID)
app_profile.reload()
description = "My new app profile"
app_profile.description = description
app_profile.update()
# [END bigtable_api_update_app_profile]
assert app_profile.description == description
# [START bigtable_api_delete_app_profile]
from google.cloud.bigtable import Client
client = Client(admin=True)
instance = client.instance(INSTANCE_ID)
app_profile = instance.app_profile(APP_PROFILE_ID)
app_profile.reload()
app_profile.delete(ignore_warnings=True)
# [END bigtable_api_delete_app_profile]
assert not app_profile.exists()
def test_bigtable_list_instances():
# [START bigtable_api_list_instances]
from google.cloud.bigtable import Client
client = Client(admin=True)
(instances_list, failed_locations_list) = client.list_instances()
# [END bigtable_api_list_instances]
assert len(instances_list) > 0
def test_bigtable_list_clusters_on_instance():
# [START bigtable_api_list_clusters_on_instance]
from google.cloud.bigtable import Client
client = Client(admin=True)
instance = client.instance(INSTANCE_ID)
(clusters_list, failed_locations_list) = instance.list_clusters()
# [END bigtable_api_list_clusters_on_instance]
assert len(clusters_list) > 0
def test_bigtable_list_clusters_in_project():
# [START bigtable_api_list_clusters_in_project]
from google.cloud.bigtable import Client
client = Client(admin=True)
(clusters_list, failed_locations_list) = client.list_clusters()
# [END bigtable_api_list_clusters_in_project]
assert len(clusters_list) > 0
def test_bigtable_list_app_profiles():
app_profile = Config.INSTANCE.app_profile(
app_profile_id="app-prof-" + UNIQUE_SUFFIX,
routing_policy_type=enums.RoutingPolicyType.ANY,
)
app_profile = app_profile.create(ignore_warnings=True)
# [START bigtable_api_list_app_profiles]
from google.cloud.bigtable import Client
client = Client(admin=True)
instance = client.instance(INSTANCE_ID)
app_profiles_list = instance.list_app_profiles()
# [END bigtable_api_list_app_profiles]
try:
assert len(app_profiles_list) > 0
finally:
retry_429_503(app_profile.delete)(ignore_warnings=True)
def test_bigtable_instance_exists():
# [START bigtable_api_check_instance_exists]
from google.cloud.bigtable import Client
client = Client(admin=True)
instance = client.instance(INSTANCE_ID)
instance_exists = instance.exists()
# [END bigtable_api_check_instance_exists]
assert instance_exists
def test_bigtable_cluster_exists():
# [START bigtable_api_check_cluster_exists]
from google.cloud.bigtable import Client
client = Client(admin=True)
instance = client.instance(INSTANCE_ID)
cluster = instance.cluster(CLUSTER_ID)
cluster_exists = cluster.exists()
# [END bigtable_api_check_cluster_exists]
assert cluster_exists
def test_bigtable_reload_instance():
# [START bigtable_api_reload_instance]
from google.cloud.bigtable import Client
client = Client(admin=True)
instance = client.instance(INSTANCE_ID)
instance.reload()
# [END bigtable_api_reload_instance]
assert instance.type_ == PRODUCTION.value
def test_bigtable_reload_cluster():
# [START bigtable_api_reload_cluster]
from google.cloud.bigtable import Client
client = Client(admin=True)
instance = client.instance(INSTANCE_ID)
cluster = instance.cluster(CLUSTER_ID)
cluster.reload()
# [END bigtable_api_reload_cluster]
assert cluster.serve_nodes == SERVER_NODES
def test_bigtable_update_instance():
# [START bigtable_api_update_instance]
from google.cloud.bigtable import Client
client = Client(admin=True)
instance = client.instance(INSTANCE_ID)
display_name = "My new instance"
instance.display_name = display_name
instance.update()
# [END bigtable_api_update_instance]
assert instance.display_name == display_name
def test_bigtable_update_cluster():
# [START bigtable_api_update_cluster]
from google.cloud.bigtable import Client
client = Client(admin=True)
instance = client.instance(INSTANCE_ID)
cluster = instance.cluster(CLUSTER_ID)
cluster.serve_nodes = 4
cluster.update()
# [END bigtable_api_update_cluster]
assert cluster.serve_nodes == 4
def test_bigtable_create_table():
# [START bigtable_api_create_table]
from google.api_core import exceptions
from google.api_core import retry
from google.cloud.bigtable import Client
from google.cloud.bigtable import column_family
client = Client(admin=True)
instance = client.instance(INSTANCE_ID)
table = instance.table("table_my")
# Define the GC policy to retain only the most recent 2 versions.
max_versions_rule = column_family.MaxVersionsGCRule(2)
# Could include other retriable exception types
# Could configure deadline, etc.
predicate_504 = retry.if_exception_type(exceptions.DeadlineExceeded)
retry_504 = retry.Retry(predicate_504)
retry_504(table.create)(column_families={"cf1": max_versions_rule})
# [END bigtable_api_create_table]
try:
assert table.exists()
finally:
retry_429_503(table.delete)()
def test_bigtable_list_tables():
# [START bigtable_api_list_tables]
from google.cloud.bigtable import Client
client = Client(admin=True)
instance = client.instance(INSTANCE_ID)
tables_list = instance.list_tables()
# [END bigtable_api_list_tables]
# Check if returned list has expected table
table_names = [table.name for table in tables_list]
assert Config.TABLE.name in table_names
def test_bigtable_delete_cluster():
from google.cloud.bigtable import Client
client = Client(admin=True)
instance = client.instance(INSTANCE_ID)
cluster_id = "clus-my-" + UNIQUE_SUFFIX
serve_nodes = 1
cluster = instance.cluster(
cluster_id,
location_id=ALT_LOCATION_ID,
serve_nodes=serve_nodes,
default_storage_type=STORAGE_TYPE,
)
operation = cluster.create()
# We want to make sure the operation completes.
operation.result(timeout=1000)
# [START bigtable_api_delete_cluster]
from google.cloud.bigtable import Client
client = Client(admin=True)
instance = client.instance(INSTANCE_ID)
cluster_to_delete = instance.cluster(cluster_id)
cluster_to_delete.delete()
# [END bigtable_api_delete_cluster]
assert not cluster_to_delete.exists()
def test_bigtable_delete_instance():
from google.cloud.bigtable import Client
client = Client(admin=True)
instance_id = "snipt-inst-del" + UNIQUE_SUFFIX
instance = client.instance(instance_id, instance_type=PRODUCTION, labels=LABELS)
serve_nodes = 1
cluster = instance.cluster(
"clus-to-delete" + UNIQUE_SUFFIX,
location_id=ALT_LOCATION_ID,
serve_nodes=serve_nodes,
default_storage_type=STORAGE_TYPE,
)
operation = instance.create(clusters=[cluster])
# We want to make sure the operation completes.
operation.result(timeout=100)
# Make sure this instance gets deleted after the test case.
INSTANCES_TO_DELETE.append(instance)
# [START bigtable_api_delete_instance]
from google.cloud.bigtable import Client
client = Client(admin=True)
instance_to_delete = client.instance(instance_id)
instance_to_delete.delete()
# [END bigtable_api_delete_instance]
assert not instance_to_delete.exists()
# Skip deleting it during module teardown if the assertion succeeds.
INSTANCES_TO_DELETE.remove(instance)
def test_bigtable_test_iam_permissions():
# [START bigtable_api_test_iam_permissions]
from google.cloud.bigtable import Client
client = Client(admin=True)
instance = client.instance(INSTANCE_ID)
instance.reload()
permissions = ["bigtable.clusters.create", "bigtable.tables.create"]
permissions_allowed = instance.test_iam_permissions(permissions)
# [END bigtable_api_test_iam_permissions]
assert permissions_allowed == permissions
def test_bigtable_set_iam_policy_then_get_iam_policy():
service_account_email = Config.CLIENT._credentials.service_account_email
# [START bigtable_api_set_iam_policy]
from google.cloud.bigtable import Client
from google.cloud.bigtable.policy import Policy
from google.cloud.bigtable.policy import BIGTABLE_ADMIN_ROLE
client = Client(admin=True)
instance = client.instance(INSTANCE_ID)
instance.reload()
new_policy = Policy()
new_policy[BIGTABLE_ADMIN_ROLE] = [Policy.service_account(service_account_email)]
policy_latest = instance.set_iam_policy(new_policy)
# [END bigtable_api_set_iam_policy]
assert len(policy_latest.bigtable_admins) > 0
# [START bigtable_api_get_iam_policy]
from google.cloud.bigtable import Client
client = Client(admin=True)
instance = client.instance(INSTANCE_ID)
policy = instance.get_iam_policy()
# [END bigtable_api_get_iam_policy]
assert len(policy.bigtable_admins) > 0
def test_bigtable_project_path():
import re
# [START bigtable_api_project_path]
from google.cloud.bigtable import Client
client = Client(admin=True)
project_path = client.project_path
# [END bigtable_api_project_path]
def test_bigtable_table_data_client():
# [START bigtable_api_table_data_client]
from google.cloud.bigtable import Client
client = Client(admin=True)
table_data_client = client.table_data_client
# [END bigtable_api_table_data_client]
def test_bigtable_table_admin_client():
# [START bigtable_api_table_admin_client]
from google.cloud.bigtable import Client
client = Client(admin=True)
table_admin_client = client.table_admin_client
# [END bigtable_api_table_admin_client]
def test_bigtable_instance_admin_client():
# [START bigtable_api_instance_admin_client]
from google.cloud.bigtable import Client
client = Client(admin=True)
instance_admin_client = client.instance_admin_client
# [END bigtable_api_instance_admin_client]
def test_bigtable_admins_policy():
service_account_email = Config.CLIENT._credentials.service_account_email
# [START bigtable_api_admins_policy]
from google.cloud.bigtable import Client
from google.cloud.bigtable.policy import Policy
from google.cloud.bigtable.policy import BIGTABLE_ADMIN_ROLE
client = Client(admin=True)
instance = client.instance(INSTANCE_ID)
instance.reload()
new_policy = Policy()
new_policy[BIGTABLE_ADMIN_ROLE] = [Policy.service_account(service_account_email)]
policy_latest = instance.set_iam_policy(new_policy)
policy = policy_latest.bigtable_admins
# [END bigtable_api_admins_policy]
assert len(policy) > 0
def test_bigtable_readers_policy():
service_account_email = Config.CLIENT._credentials.service_account_email
# [START bigtable_api_readers_policy]
from google.cloud.bigtable import Client
from google.cloud.bigtable.policy import Policy
from google.cloud.bigtable.policy import BIGTABLE_READER_ROLE
client = Client(admin=True)
instance = client.instance(INSTANCE_ID)
instance.reload()
new_policy = Policy()
new_policy[BIGTABLE_READER_ROLE] = [Policy.service_account(service_account_email)]
policy_latest = instance.set_iam_policy(new_policy)
policy = policy_latest.bigtable_readers
# [END bigtable_api_readers_policy]
assert len(policy) > 0
def test_bigtable_users_policy():
service_account_email = Config.CLIENT._credentials.service_account_email
# [START bigtable_api_users_policy]
from google.cloud.bigtable import Client
from google.cloud.bigtable.policy import Policy
from google.cloud.bigtable.policy import BIGTABLE_USER_ROLE
client = Client(admin=True)
instance = client.instance(INSTANCE_ID)
instance.reload()
new_policy = Policy()
new_policy[BIGTABLE_USER_ROLE] = [Policy.service_account(service_account_email)]
policy_latest = instance.set_iam_policy(new_policy)
policy = policy_latest.bigtable_users
# [END bigtable_api_users_policy]
assert len(policy) > 0
def test_bigtable_viewers_policy():
service_account_email = Config.CLIENT._credentials.service_account_email
# [START bigtable_api_viewers_policy]
from google.cloud.bigtable import Client
from google.cloud.bigtable.policy import Policy
from google.cloud.bigtable.policy import BIGTABLE_VIEWER_ROLE
client = Client(admin=True)
instance = client.instance(INSTANCE_ID)
instance.reload()
new_policy = Policy()
new_policy[BIGTABLE_VIEWER_ROLE] = [Policy.service_account(service_account_email)]
policy_latest = instance.set_iam_policy(new_policy)
policy = policy_latest.bigtable_viewers
# [END bigtable_api_viewers_policy]
assert len(policy) > 0
def test_bigtable_instance_name():
import re
# [START bigtable_api_instance_name]
from google.cloud.bigtable import Client
client = Client(admin=True)
instance = client.instance(INSTANCE_ID)
instance_name = instance.name
# [END bigtable_api_instance_name]
def test_bigtable_cluster_name():
import re
# [START bigtable_api_cluster_name]
from google.cloud.bigtable import Client
client = Client(admin=True)
instance = client.instance(INSTANCE_ID)
cluster = instance.cluster(CLUSTER_ID)
cluster_name = cluster.name
# [END bigtable_api_cluster_name]
def test_bigtable_instance_from_pb():
# [START bigtable_api_instance_from_pb]
from google.cloud.bigtable import Client
from google.cloud.bigtable_admin_v2.types import instance
client = Client(admin=True)
instance = client.instance(INSTANCE_ID)
name = instance.name
instance_pb = instance.Instance(
name=name, display_name=INSTANCE_ID, type=PRODUCTION, labels=LABELS
)
instance2 = instance.from_pb(instance_pb, client)
# [END bigtable_api_instance_from_pb]
assert instance2.name == instance.name
def test_bigtable_cluster_from_pb():
# [START bigtable_api_cluster_from_pb]
from google.cloud.bigtable import Client
from google.cloud.bigtable_admin_v2.types import instance
client = Client(admin=True)
instance = client.instance(INSTANCE_ID)
cluster = instance.cluster(CLUSTER_ID)
name = cluster.name
cluster_state = cluster.state
serve_nodes = 1
cluster_pb = instance.Cluster(
name=name,
location=LOCATION_ID,
state=cluster_state,
serve_nodes=serve_nodes,
default_storage_type=STORAGE_TYPE,
)
cluster2 = cluster.from_pb(cluster_pb, instance)
# [END bigtable_api_cluster_from_pb]
assert cluster2.name == cluster.name
def test_bigtable_instance_state():
# [START bigtable_api_instance_state]
from google.cloud.bigtable import Client
client = Client(admin=True)
instance = client.instance(INSTANCE_ID)
instance_state = instance.state
# [END bigtable_api_instance_state]
assert not instance_state
def test_bigtable_cluster_state():
# [START bigtable_api_cluster_state]
from google.cloud.bigtable import Client
client = Client(admin=True)
instance = client.instance(INSTANCE_ID)
cluster = instance.cluster(CLUSTER_ID)
cluster_state = cluster.state
# [END bigtable_api_cluster_state]
assert not cluster_state
if __name__ == "__main__":
pytest.main()