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instance.go
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instance.go
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package ccv3
import (
"encoding/json"
"strconv"
"code.cloudfoundry.org/cli/api/cloudcontroller"
"code.cloudfoundry.org/cli/api/cloudcontroller/ccerror"
"code.cloudfoundry.org/cli/api/cloudcontroller/ccv3/internal"
)
type Instance struct {
Index int
State string
Uptime int
CPU float64
MemoryUsage uint64
MemoryQuota uint64
DiskUsage uint64
DiskQuota uint64
}
// UnmarshalJSON helps unmarshal a V3 Cloud Controller Instance response.
func (instance *Instance) UnmarshalJSON(data []byte) error {
var inputInstance struct {
State string `json:"state"`
Usage struct {
CPU float64 `json:"cpu"`
Mem uint64 `json:"mem"`
Disk uint64 `json:"disk"`
} `json:"usage"`
MemQuota uint64 `json:"mem_quota"`
DiskQuota uint64 `json:"disk_quota"`
Index int `json:"index"`
Uptime int `json:"uptime"`
}
if err := json.Unmarshal(data, &inputInstance); err != nil {
return err
}
instance.State = inputInstance.State
instance.CPU = inputInstance.Usage.CPU
instance.MemoryUsage = inputInstance.Usage.Mem
instance.DiskUsage = inputInstance.Usage.Disk
instance.MemoryQuota = inputInstance.MemQuota
instance.DiskQuota = inputInstance.DiskQuota
instance.Index = inputInstance.Index
instance.Uptime = inputInstance.Uptime
return nil
}
func (client *Client) DeleteApplicationProcessInstance(appGUID string, processType string, instanceIndex int) (Warnings, error) {
request, err := client.newHTTPRequest(requestOptions{
RequestName: internal.DeleteApplicationProcessInstanceRequest,
URIParams: map[string]string{
"app_guid": appGUID,
"type": processType,
"index": strconv.Itoa(instanceIndex),
},
})
if err != nil {
return nil, err
}
var response cloudcontroller.Response
err = client.connection.Make(request, &response)
return response.Warnings, err
}
// GetProcessInstances lists instance stats for a given process.
func (client *Client) GetProcessInstances(processGUID string) ([]Instance, Warnings, error) {
request, err := client.newHTTPRequest(requestOptions{
RequestName: internal.GetProcessInstancesRequest,
URIParams: map[string]string{"process_guid": processGUID},
})
if err != nil {
return nil, nil, err
}
var fullInstancesList []Instance
warnings, err := client.paginate(request, Instance{}, func(item interface{}) error {
if instance, ok := item.(Instance); ok {
fullInstancesList = append(fullInstancesList, instance)
} else {
return ccerror.UnknownObjectInListError{
Expected: Instance{},
Unexpected: item,
}
}
return nil
})
return fullInstancesList, warnings, err
}