Get instance information

  namespace 
  
 cbta 
  
 = 
  
 :: 
 google 
 :: 
 cloud 
 :: 
 bigtable_admin 
 ; 
 using 
  
 :: 
 google 
 :: 
 cloud 
 :: 
 Project 
 ; 
 using 
  
 :: 
 google 
 :: 
 cloud 
 :: 
 StatusOr 
 ; 
 []( 
 cbta 
 :: 
 BigtableInstanceAdminClient 
  
 instance_admin 
 , 
  
 std 
 :: 
 string 
  
 const 
&  
 project_id 
 ) 
  
 { 
  
 std 
 :: 
 string 
  
 project_name 
  
 = 
  
 Project 
 ( 
 project_id 
 ). 
 FullName 
 (); 
  
 StatusOr<google 
 :: 
 bigtable 
 :: 
 admin 
 :: 
 v2 
 :: 
 ListInstancesResponse 
>  
 instances 
  
 = 
  
 instance_admin 
 . 
 ListInstances 
 ( 
 project_name 
 ); 
  
 if 
  
 ( 
 ! 
 instances 
 ) 
  
 throw 
  
 std 
 :: 
 move 
 ( 
 instances 
 ). 
 status 
 (); 
  
 for 
  
 ( 
 auto 
  
 const 
&  
 instance 
  
 : 
  
 instances 
 - 
> instances 
 ()) 
  
 { 
  
 std 
 :: 
 cout 
 << 
 instance 
 . 
 name 
 () 
 << 
 " 
 \n 
 " 
 ; 
  
 } 
  
 if 
  
 ( 
 ! 
 instances 
 - 
> failed_locations 
 (). 
 empty 
 ()) 
  
 { 
  
 std 
 :: 
 cout 
 << 
 "The Cloud Bigtable service reports that the following " 
  
 "locations are temporarily unavailable and no information " 
  
 "about instances in these locations can be obtained: 
 \n 
 " 
 ; 
  
 for 
  
 ( 
 auto 
  
 const 
&  
 failed_location 
  
 : 
  
 instances 
 - 
> failed_locations 
 ()) 
  
 { 
  
 std 
 :: 
 cout 
 << 
 failed_location 
 << 
 " 
 \n 
 " 
 ; 
  
 } 
  
 } 
 } 
 

  // Lists instances in the project. 
 // Initialize request argument(s). 
 ListInstancesRequest 
  
 listInstancesRequest 
  
 = 
  
 new 
  
 ListInstancesRequest 
 { 
  
 ParentAsProjectName 
  
 = 
  
 new 
  
 ProjectName 
 ( 
 projectId 
 ) 
 }; 
 try 
 { 
  
 // Make a request. 
  
 Console 
 . 
 WriteLine 
 ( 
 "Waiting for operation to complete..." 
 ); 
  
 ListInstancesResponse 
  
 instances 
  
 = 
  
 bigtableInstanceAdminClient 
 . 
 ListInstances 
 ( 
 listInstancesRequest 
 ); 
 } 
 catch 
  
 ( 
 Exception 
  
 ex 
 ) 
 { 
  
 Console 
 . 
 WriteLine 
 ( 
 $"Exception while requesting information about instances in {projectId} project" 
 ); 
  
 Console 
 . 
 WriteLine 
 ( 
 ex 
 . 
 Message 
 ); 
  
 return 
  
 - 
 1 
 ; 
 } 
 Console 
 . 
 WriteLine 
 ( 
 new 
  
 string 
 ( 
 '-' 
 , 
  
 50 
 )); 
 

  try 
  
 { 
  
 List<Instance> 
  
 instances 
  
 = 
  
 adminClient 
 . 
 listInstances 
 (); 
  
 for 
  
 ( 
 Instance 
  
 instance 
  
 : 
  
 instances 
 ) 
  
 { 
  
 System 
 . 
 out 
 . 
 println 
 ( 
 instance 
 . 
 getId 
 ()); 
  
 } 
 } 
  
 catch 
  
 ( 
 PartialListInstancesException 
  
 e 
 ) 
  
 { 
  
 System 
 . 
 err 
 . 
 println 
 ( 
 "Failed to list instances: " 
  
 + 
  
 e 
 . 
 getMessage 
 ()); 
  
 System 
 . 
 err 
 . 
 println 
 ( 
 "The following zones are unavailable: " 
  
 + 
  
 e 
 . 
 getUnavailableZones 
 ()); 
  
 System 
 . 
 err 
 . 
 println 
 ( 
 "But the following instances are reachable: " 
  
 + 
  
 e 
 . 
 getInstances 
 ()); 
 } 
 

  const 
  
 [ 
 instances 
 ] 
  
 = 
  
 await 
  
 bigtable 
 . 
 getInstances 
 (); 
 instances 
 . 
 forEach 
 ( 
 instance 
  
 = 
>  
 { 
  
 console 
 . 
 log 
 ( 
 instance 
 . 
 id 
 ); 
 }); 
 

  use Google\Cloud\Bigtable\Admin\V2\Client\BigtableInstanceAdminClient; 
 use Google\Cloud\Bigtable\Admin\V2\ListInstancesRequest; 
 /** 
 * List Bigtable instances in a project 
 * 
 * @param string $projectId The Google Cloud project ID 
 */ 
 function list_instance(string $projectId): void 
 { 
 $instanceAdminClient = new BigtableInstanceAdminClient(); 
 $projectName = $instanceAdminClient->projectName($projectId); 
 printf('Listing Instances:' . PHP_EOL); 
 $listInstancesRequest = (new ListInstancesRequest()) 
 ->setParent($projectName); 
 $getInstances = $instanceAdminClient->listInstances($listInstancesRequest)->getInstances(); 
 $instances = $getInstances->getIterator(); 
 foreach ($instances as $instance) { 
 print($instance->getName() . PHP_EOL); 
 } 
 } 
 

  print 
 ( 
 " 
 \n 
 Listing instances:" 
 ) 
 for 
 instance_local 
 in 
 client 
 . 
 list_instances 
 ()[ 
 0 
 ]: 
 print 
 ( 
 instance_local 
 . 
 instance_id 
 ) 
 

  bigtable 
 . 
 instances 
 . 
 all 
  
 do 
  
 | 
 instance 
 | 
  
 puts 
  
 "Instance: 
 #{ 
 instance 
 . 
 instance_id 
 } 
 " 
 end 
 

  namespace 
  
 cbt 
  
 = 
  
 :: 
 google 
 :: 
 cloud 
 :: 
 bigtable 
 ; 
 namespace 
  
 cbta 
  
 = 
  
 :: 
 google 
 :: 
 cloud 
 :: 
 bigtable_admin 
 ; 
 using 
  
 :: 
 google 
 :: 
 cloud 
 :: 
 StatusOr 
 ; 
 []( 
 cbta 
 :: 
 BigtableInstanceAdminClient 
  
 instance_admin 
 , 
  
 std 
 :: 
 string 
  
 const 
&  
 project_id 
 , 
  
 std 
 :: 
 string 
  
 const 
&  
 instance_id 
 ) 
  
 { 
  
 std 
 :: 
 string 
  
 instance_name 
  
 = 
  
 cbt 
 :: 
 InstanceName 
 ( 
 project_id 
 , 
  
 instance_id 
 ); 
  
 StatusOr<google 
 :: 
 bigtable 
 :: 
 admin 
 :: 
 v2 
 :: 
 Instance 
>  
 instance 
  
 = 
  
 instance_admin 
 . 
 GetInstance 
 ( 
 instance_name 
 ); 
  
 if 
  
 ( 
 ! 
 instance 
 ) 
  
 throw 
  
 std 
 :: 
 move 
 ( 
 instance 
 ). 
 status 
 (); 
  
 std 
 :: 
 cout 
 << 
 "GetInstance details : " 
 << 
 instance 
 - 
> DebugString 
 () 
 << 
 " 
 \n 
 " 
 ; 
 } 
 

  // Initialize request argument(s). 
 GetInstanceRequest 
  
 request 
  
 = 
  
 new 
  
 GetInstanceRequest 
 { 
  
 InstanceName 
  
 = 
  
 new 
  
 InstanceName 
 ( 
 projectId 
 , 
  
 instanceId 
 ) 
 }; 
 try 
 { 
  
 // Make Request. 
  
 Console 
 . 
 WriteLine 
 ( 
 "Waiting for operation to complete..." 
 ); 
  
 Instance 
  
 respond 
  
 = 
  
 bigtableInstanceAdminClient 
 . 
 GetInstance 
 ( 
 request 
 ); 
 } 
 catch 
  
 ( 
 Exception 
  
 ex 
 ) 
 { 
  
 Console 
 . 
 WriteLine 
 ( 
 $"Exception retreiving {instanceId} instance" 
 ); 
  
 Console 
 . 
 WriteLine 
 ( 
 ex 
 . 
 Message 
 ); 
 } 
 

  Instance 
  
 instance 
  
 = 
  
 null 
 ; 
 try 
  
 { 
  
 instance 
  
 = 
  
 adminClient 
 . 
 getInstance 
 ( 
 instanceId 
 ); 
  
 System 
 . 
 out 
 . 
 println 
 ( 
 "Instance ID: " 
  
 + 
  
 instance 
 . 
 getId 
 ()); 
  
 System 
 . 
 out 
 . 
 println 
 ( 
 "Display Name: " 
  
 + 
  
 instance 
 . 
 getDisplayName 
 ()); 
  
 System 
 . 
 out 
 . 
 print 
 ( 
 "Labels: " 
 ); 
  
 Map<String 
 , 
  
 String 
>  
 labels 
  
 = 
  
 instance 
 . 
 getLabels 
 (); 
  
 for 
  
 ( 
 String 
  
 key 
  
 : 
  
 labels 
 . 
 keySet 
 ()) 
  
 { 
  
 System 
 . 
 out 
 . 
 printf 
 ( 
 "%s - %s" 
 , 
  
 key 
 , 
  
 labels 
 . 
 get 
 ( 
 key 
 )); 
  
 } 
  
 System 
 . 
 out 
 . 
 println 
 ( 
 "\nState: " 
  
 + 
  
 instance 
 . 
 getState 
 ()); 
  
 System 
 . 
 out 
 . 
 println 
 ( 
 "Type: " 
  
 + 
  
 instance 
 . 
 getType 
 ()); 
 } 
  
 catch 
  
 ( 
 NotFoundException 
  
 e 
 ) 
  
 { 
  
 System 
 . 
 err 
 . 
 println 
 ( 
 "Failed to get non-existent instance: " 
  
 + 
  
 e 
 . 
 getMessage 
 ()); 
 } 
 

  const 
  
 [ 
 instances2 
 ] 
  
 = 
  
 await 
  
 bigtable 
 . 
 instance 
 ( 
 instanceID 
 ). 
 get 
 (); 
 console 
 . 
 log 
 ( 
 `Instance ID: 
 ${ 
 instances2 
 . 
 id 
 } 
 ` 
 ); 
 console 
 . 
 log 
 ( 
 `Instance Meta: 
 ${ 
 JSON 
 . 
 stringify 
 ( 
 instances2 
 . 
 metadata 
 ) 
 } 
 ` 
 ); 
 

  use Google\ApiCore\ApiException; 
 use Google\Cloud\Bigtable\Admin\V2\Client\BigtableInstanceAdminClient; 
 use Google\Cloud\Bigtable\Admin\V2\GetInstanceRequest; 
 use Google\Cloud\Bigtable\Admin\V2\Instance\State; 
 use Google\Cloud\Bigtable\Admin\V2\Instance\Type; 
 /** 
 * Get a Bigtable instance 
 * 
 * @param string $projectId The Google Cloud project ID 
 * @param string $instanceId The ID of the Bigtable instance 
 */ 
 function get_instance( 
 string $projectId, 
 string $instanceId 
 ): void { 
 $instanceAdminClient = new BigtableInstanceAdminClient(); 
 $instanceName = $instanceAdminClient->instanceName($projectId, $instanceId); 
 printf('Fetching the Instance %s' . PHP_EOL, $instanceId); 
 try { 
 $getInstanceRequest = (new GetInstanceRequest()) 
 ->setName($instanceName); 
 $instance = $instanceAdminClient->getInstance($getInstanceRequest); 
 } catch (ApiException $e) { 
 if ($e->getStatus() === 'NOT_FOUND') { 
 printf('Instance %s does not exists.' . PHP_EOL, $instanceId); 
 return; 
 } 
 throw $e; 
 } 
 printf('Printing Details:' . PHP_EOL); 
 // Fetch some commonly used metadata 
 printf('Name: ' . $instance->getName() . PHP_EOL); 
 printf('Display Name: ' . $instance->getDisplayName() . PHP_EOL); 
 printf('State: ' . State::name($instance->getState()) . PHP_EOL); 
 printf('Type: ' . Type::name($instance->getType()) . PHP_EOL); 
 printf('Labels: ' . PHP_EOL); 
 $labels = $instance->getLabels(); 
 // Labels are an object of the MapField class which implement the IteratorAggregate, Countable 
 // and ArrayAccess interfaces so you can do the following: 
 printf("\tNum of Labels: " . $labels->count() . PHP_EOL); 
 printf("\tLabel with a key(dev-label): " . ($labels['dev-label'] ?? 'N/A') . PHP_EOL); 
 // we can even loop over all the labels 
 foreach ($labels as $key => $val) { 
 printf("\t$key: $val" . PHP_EOL); 
 } 
 } 
 

  print 
 ( 
 " 
 \n 
 Name of instance: 
 {} 
 \n 
 Labels: 
 {} 
 " 
 . 
 format 
 ( 
 instance 
 . 
 display_name 
 , 
 instance 
 . 
 labels 
 ) 
 ) 
 

  # instance_id = "my-instance" 
 instance 
  
 = 
  
 bigtable 
 . 
 instance 
  
 instance_id 
 puts 
  
 "Get Instance id: 
 #{ 
 instance 
 . 
 instance_id 
 } 
 "