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samples: Bigtable add missing samples 1439 (GoogleCloudPlatform#1453)
* Added samples for get_cluste, get_instance, update_cluster, update_instance, get_iam_policy, set_iam_policy, test_iam_permissions * Modified list_instance response and test as the update_instance now changes the displayName * Fixed lint issues * Added namespaces in samples, and renamed runSnippet -> runFunctionSnippet for these samples * Bigtable: Addressed PR comments Changed double quotes to dingle quotes Removed redundant else blocks Changed echo statements to printf * Bigtable: Added Tests for get_iam_policy.php and set_iam_policy.php * Bigtable: Added the use of a dynamic service account for testing get_iam_policy and set_iam_policy snippets Co-authored-by: Brent Shaffer 
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‎.gitignore

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**/vendor/
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**/build/
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.php_cs.cache
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.php-cs-fixer.cache
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.vscode/
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.kokoro/secrets.sh
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.phpunit.result.cache

‎bigtable/src/get_cluster.php

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namespace Google\Cloud\Samples\Bigtable;
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/**
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* Copyright 2019 Google LLC.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/**
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* For instructions on how to run the full sample:
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*
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* @see https://github.com/GoogleCloudPlatform/php-docs-samples/tree/master/bigtable/README.md
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*/
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// [START bigtable_get_cluster]
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use Google\Cloud\Bigtable\Admin\V2\BigtableInstanceAdminClient;
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use Google\Cloud\Bigtable\Admin\V2\StorageType;
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use Google\Cloud\Bigtable\Admin\V2\Instance\State;
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use Google\ApiCore\ApiException;
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/**
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* Get a Bigtable cluster
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* @param string $projectId The Google Cloud project ID
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* @param string $instanceId The ID of the Bigtable instance
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* @param string $clusterId The ID of the cluster to fetch
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*/
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function get_cluster(
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string $projectId,
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string $instanceId,
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string $clusterId
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): void {
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$instanceAdminClient = new BigtableInstanceAdminClient();
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printf('Fetching the Cluster %s' . PHP_EOL, $clusterId);
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try {
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$clusterName = $instanceAdminClient->clusterName($projectId, $instanceId, $clusterId);
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$cluster = $instanceAdminClient->getCluster($clusterName);
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} catch (ApiException $e) {
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if ($e->getStatus() === 'NOT_FOUND') {
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printf('Cluster %s does not exists.' . PHP_EOL, $clusterId);
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return;
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}
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throw $e;
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}
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printf('Printing Details:' . PHP_EOL);
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// Fetch some commonly used metadata
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printf('Name: ' . $cluster->getName() . PHP_EOL);
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printf('Location: ' . $cluster->getLocation() . PHP_EOL);
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printf('State: ' . State::name($cluster->getState()) . PHP_EOL);
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printf('Default Storage Type: ' . StorageType::name($cluster->getDefaultStorageType()) . PHP_EOL);
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printf('Nodes: ' . $cluster->getServeNodes() . PHP_EOL);
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printf('Encryption Config: ' . ($cluster->hasEncryptionConfig() ? $cluster->getEncryptionConfig()->getKmsKeyName() : "N/A") . PHP_EOL);
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}
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// [END bigtable_get_cluster]
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// The following 2 lines are only needed to run the samples
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require_once __DIR__ . '/../../testing/sample_helpers.php';
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\Google\Cloud\Samples\execute_sample(__FILE__, __NAMESPACE__, $argv);

‎bigtable/src/get_iam_policy.php

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namespace Google\Cloud\Samples\Bigtable;
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/**
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* Copyright 2019 Google LLC.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/**
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* For instructions on how to run the full sample:
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*
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* @see https://github.com/GoogleCloudPlatform/php-docs-samples/tree/master/bigtable/README.md
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*/
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// [START bigtable_get_iam_policy]
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use Google\Cloud\Bigtable\Admin\V2\BigtableInstanceAdminClient;
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use Google\ApiCore\ApiException;
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/**
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* Get the IAM policy for a Bigtable instance
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* @param string $projectId The Google Cloud project ID
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* @param string $instanceId The ID of the Bigtable instance
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*/
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function get_iam_policy(
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string $projectId,
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string $instanceId
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): void {
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$instanceAdminClient = new BigtableInstanceAdminClient();
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$instanceName = $instanceAdminClient->instanceName($projectId, $instanceId);
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try {
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// we could instantiate the BigtableTableAdminClient and pass the tableName to get the IAM policy for the table resource as well.
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$iamPolicy = $instanceAdminClient->getIamPolicy($instanceName);
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printf($iamPolicy->getVersion() . PHP_EOL);
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foreach ($iamPolicy->getBindings() as $binding) {
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foreach ($binding->getmembers() as $member) {
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printf('%s:%s' . PHP_EOL, $binding->getRole(), $member);
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}
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}
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} catch (ApiException $e) {
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if ($e->getStatus() === 'NOT_FOUND') {
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printf('Instance %s does not exist.' . PHP_EOL, $instanceId);
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return;
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}
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throw $e;
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}
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}
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// [END bigtable_get_iam_policy]
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// The following 2 lines are only needed to run the samples
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require_once __DIR__ . '/../../testing/sample_helpers.php';
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\Google\Cloud\Samples\execute_sample(__FILE__, __NAMESPACE__, $argv);

‎bigtable/src/get_instance.php

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namespace Google\Cloud\Samples\Bigtable;
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/**
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* Copyright 2019 Google LLC.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/**
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* For instructions on how to run the full sample:
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*
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* @see https://github.com/GoogleCloudPlatform/php-docs-samples/tree/master/bigtable/README.md
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*/
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// [START bigtable_get_instance]
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use Google\Cloud\Bigtable\Admin\V2\BigtableInstanceAdminClient;
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use Google\Cloud\Bigtable\Admin\V2\Instance\Type;
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use Google\Cloud\Bigtable\Admin\V2\Instance\State;
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use Google\ApiCore\ApiException;
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/**
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* Get a Bigtable instance
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* @param string $projectId The Google Cloud project ID
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* @param string $instanceId The ID of the Bigtable instance
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*/
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function get_instance(
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string $projectId,
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string $instanceId
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): void {
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$instanceAdminClient = new BigtableInstanceAdminClient();
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$instanceName = $instanceAdminClient->instanceName($projectId, $instanceId);
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printf('Fetching the Instance %s' . PHP_EOL, $instanceId);
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try {
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$instance = $instanceAdminClient->getInstance($instanceName);
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} catch (ApiException $e) {
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if ($e->getStatus() === 'NOT_FOUND') {
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printf('Instance %s does not exists.' . PHP_EOL, $instanceId);
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return;
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}
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throw $e;
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}
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printf('Printing Details:' . PHP_EOL);
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// Fetch some commonly used metadata
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printf('Name: ' . $instance->getName() . PHP_EOL);
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printf('Display Name: ' . $instance->getDisplayName() . PHP_EOL);
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printf('State: ' . State::name($instance->getState()) . PHP_EOL);
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printf('Type: ' . Type::name($instance->getType()) . PHP_EOL);
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printf('Labels: ' . PHP_EOL);
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$labels = $instance->getLabels();
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// Labels are an object of the MapField class which implement the IteratorAggregate, Countable
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// and ArrayAccess interfaces so you can do the following:
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printf("\tNum of Labels: " . $labels->count() . PHP_EOL);
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printf("\tLabel with a key(dev-label): " . ($labels->offsetExists('dev-label') ? $labels['dev-label'] : 'N/A') . PHP_EOL);
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// we can even loop over all the labels
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foreach ($labels as $key => $val) {
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printf("\t$key: $val" . PHP_EOL);
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}
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}
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// [END bigtable_get_instance]
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// The following 2 lines are only needed to run the samples
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require_once __DIR__ . '/../../testing/sample_helpers.php';
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\Google\Cloud\Samples\execute_sample(__FILE__, __NAMESPACE__, $argv);

‎bigtable/src/list_instance.php

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$instances = $getInstances->getIterator();
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foreach ($instances as $instance) {
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print($instance->getDisplayName() . PHP_EOL);
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print($instance->getName() . PHP_EOL);
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}
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}
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// [END bigtable_list_instances]

‎bigtable/src/set_iam_policy.php

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namespace Google\Cloud\Samples\Bigtable;
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/**
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* Copyright 2019 Google LLC.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/**
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* For instructions on how to run the full sample:
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*
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* @see https://github.com/GoogleCloudPlatform/php-docs-samples/tree/master/bigtable/README.md
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*/
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// [START bigtable_set_iam_policy]
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use Google\Cloud\Bigtable\Admin\V2\BigtableInstanceAdminClient;
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use Google\ApiCore\ApiException;
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use Google\Cloud\Iam\V1\Binding;
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use Google\Cloud\Iam\V1\Policy;
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/**
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* Set the IAM policy for a Bigtable instance
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* @param string $projectId The Google Cloud project ID
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* @param string $instanceId The ID of the Bigtable instance
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* @param string $email The email of the member to be assigned the role(Format: 'user:EMAIL_ID')
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* @param string $role The role to be assigned. For a list of roles check out https://cloud.google.com/bigtable/docs/access-control
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*/
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function set_iam_policy(
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string $projectId,
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string $instanceId,
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string $email,
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string $role = 'roles/bigtable.user'
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): void {
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$instanceAdminClient = new BigtableInstanceAdminClient();
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$instanceName = $instanceAdminClient->instanceName($projectId, $instanceId);
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try {
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$policy = new Policy([
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'bindings'=>[
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new Binding([
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'role'=>$role,
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'members'=>[$email]
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])
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]
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]);
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$iamPolicy = $instanceAdminClient->setIamPolicy($instanceName, $policy);
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foreach ($iamPolicy->getBindings() as $binding) {
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foreach ($binding->getmembers() as $member) {
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printf('%s:%s' . PHP_EOL, $binding->getRole(), $member);
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}
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}
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} catch (ApiException $e) {
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if ($e->getStatus() === 'NOT_FOUND') {
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printf('Instance %s does not exist.' . PHP_EOL, $instanceId);
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return;
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}
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throw $e;
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}
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}
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// [END bigtable_set_iam_policy]
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// The following 2 lines are only needed to run the samples
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require_once __DIR__ . '/../../testing/sample_helpers.php';
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\Google\Cloud\Samples\execute_sample(__FILE__, __NAMESPACE__, $argv);

‎bigtable/src/test_iam_permissions.php

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namespace Google\Cloud\Samples\Bigtable;
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/**
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* Copyright 2019 Google LLC.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/**
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* For instructions on how to run the full sample:
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*
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* @see https://github.com/GoogleCloudPlatform/php-docs-samples/tree/master/bigtable/README.md
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*/
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// [START bigtable_test_iam_permissions]
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use Google\Cloud\Bigtable\Admin\V2\BigtableInstanceAdminClient;
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/**
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* Test IAM permissions for the current caller
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* @param string $projectId The Google Cloud project ID
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* @param string $instanceId The ID of the Bigtable instance
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*/
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function test_iam_permissions(
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string $projectId,
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string $instanceId
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): void {
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$instanceAdminClient = new BigtableInstanceAdminClient();
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$instanceName = $instanceAdminClient->instanceName($projectId, $instanceId);
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// The set of permissions to check for the `resource`. Permissions with
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// wildcards (such as '*' or 'bigtable.*') are not allowed. For more
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// information see
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// [IAM Overview](https://cloud.google.com/iam/docs/overview#permissions)
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$permissions = ['bigtable.clusters.create', 'bigtable.tables.create', 'bigtable.tables.list'];
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$response = $instanceAdminClient->testIamPermissions($instanceName, $permissions);
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// This array will contain the permissions that are passed for the current caller
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foreach ($response->getPermissions() as $permission) {
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printf($permission . PHP_EOL);
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}
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}
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// [END bigtable_test_iam_permissions]
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// The following 2 lines are only needed to run the samples
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require_once __DIR__ . '/../../testing/sample_helpers.php';
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\Google\Cloud\Samples\execute_sample(__FILE__, __NAMESPACE__, $argv);

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