github.com/franc20/ayesa_sap@v7.0.0-beta.28.0.20200124003224-302d4d52fa6c+incompatible/api/cloudcontroller/ccv2/application_instance_status.go (about)

     1  package ccv2
     2  
     3  import (
     4  	"strconv"
     5  
     6  	"code.cloudfoundry.org/cli/api/cloudcontroller"
     7  	"code.cloudfoundry.org/cli/api/cloudcontroller/ccv2/constant"
     8  	"code.cloudfoundry.org/cli/api/cloudcontroller/ccv2/internal"
     9  )
    10  
    11  // ApplicationInstanceStatus represents a Cloud Controller Application Instance.
    12  type ApplicationInstanceStatus struct {
    13  	// CPU is the instance's CPU utilization percentage.
    14  	CPU float64
    15  
    16  	// Disk is the instance's disk usage in bytes.
    17  	Disk int64
    18  
    19  	// DiskQuota is the instance's allowed disk usage in bytes.
    20  	DiskQuota int64
    21  
    22  	// ID is the instance ID.
    23  	ID int
    24  
    25  	// IsolationSegment that the app is currently running on.
    26  	IsolationSegment string
    27  
    28  	// Memory is the instance's memory usage in bytes.
    29  	Memory int64
    30  
    31  	// MemoryQuota is the instance's allowed memory usage in bytes.
    32  	MemoryQuota int64
    33  
    34  	// State is the instance's state.
    35  	State constant.ApplicationInstanceState
    36  
    37  	// Uptime is the number of seconds the instance has been running.
    38  	Uptime int64
    39  }
    40  
    41  // UnmarshalJSON helps unmarshal a Cloud Controller application instance
    42  // response.
    43  func (instance *ApplicationInstanceStatus) UnmarshalJSON(data []byte) error {
    44  	var ccInstance struct {
    45  		State            string `json:"state"`
    46  		IsolationSegment string `json:"isolation_segment"`
    47  		Stats            struct {
    48  			Usage struct {
    49  				Disk   int64   `json:"disk"`
    50  				Memory int64   `json:"mem"`
    51  				CPU    float64 `json:"cpu"`
    52  			} `json:"usage"`
    53  			MemoryQuota int64 `json:"mem_quota"`
    54  			DiskQuota   int64 `json:"disk_quota"`
    55  			Uptime      int64 `json:"uptime"`
    56  		} `json:"stats"`
    57  	}
    58  	err := cloudcontroller.DecodeJSON(data, &ccInstance)
    59  	if err != nil {
    60  		return err
    61  	}
    62  
    63  	instance.CPU = ccInstance.Stats.Usage.CPU
    64  	instance.Disk = ccInstance.Stats.Usage.Disk
    65  	instance.DiskQuota = ccInstance.Stats.DiskQuota
    66  	instance.IsolationSegment = ccInstance.IsolationSegment
    67  	instance.Memory = ccInstance.Stats.Usage.Memory
    68  	instance.MemoryQuota = ccInstance.Stats.MemoryQuota
    69  	instance.State = constant.ApplicationInstanceState(ccInstance.State)
    70  	instance.Uptime = ccInstance.Stats.Uptime
    71  
    72  	return nil
    73  }
    74  
    75  // GetApplicationApplicationInstanceStatuses returns a list of
    76  // ApplicationInstanceStatus for a given application. Depending on the state of
    77  // an application, it might skip some application instance statuses.
    78  func (client *Client) GetApplicationApplicationInstanceStatuses(guid string) (map[int]ApplicationInstanceStatus, Warnings, error) {
    79  	request, err := client.newHTTPRequest(requestOptions{
    80  		RequestName: internal.GetAppStatsRequest,
    81  		URIParams:   Params{"app_guid": guid},
    82  	})
    83  	if err != nil {
    84  		return nil, nil, err
    85  	}
    86  
    87  	var instances map[string]ApplicationInstanceStatus
    88  	response := cloudcontroller.Response{
    89  		DecodeJSONResponseInto: &instances,
    90  	}
    91  
    92  	err = client.connection.Make(request, &response)
    93  	if err != nil {
    94  		return nil, response.Warnings, err
    95  	}
    96  
    97  	returnedInstances := map[int]ApplicationInstanceStatus{}
    98  	for instanceID, instance := range instances {
    99  		id, convertErr := strconv.Atoi(instanceID)
   100  		if convertErr != nil {
   101  			return nil, response.Warnings, convertErr
   102  		}
   103  		instance.ID = id
   104  		returnedInstances[id] = instance
   105  	}
   106  
   107  	return returnedInstances, response.Warnings, nil
   108  }