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process.go
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process.go
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package ccv3
import (
"bytes"
"code.cloudfoundry.org/cli/api/cloudcontroller/ccerror"
"code.cloudfoundry.org/cli/api/cloudcontroller/ccv3/constant"
"code.cloudfoundry.org/cli/api/cloudcontroller/ccv3/internal"
"encoding/json"
"fmt"
"code.cloudfoundry.org/cli/api/cloudcontroller"
"code.cloudfoundry.org/cli/types"
)
type Process struct {
GUID string
Type string
// Command is the process start command. Note: This value will be obfuscated when obtained from listing.
Command types.FilteredString
HealthCheckType constant.HealthCheckType
HealthCheckEndpoint string
HealthCheckInvocationTimeout int
Instances types.NullInt
MemoryInMB types.NullUint64
DiskInMB types.NullUint64
}
func (p Process) MarshalJSON() ([]byte, error) {
var ccProcess marshalProcess
marshalCommand(p, &ccProcess)
marshalInstances(p, &ccProcess)
marshalMemory(p, &ccProcess)
marshalDisk(p, &ccProcess)
marshalHealthCheck(p, &ccProcess)
return json.Marshal(ccProcess)
}
func (p *Process) UnmarshalJSON(data []byte) error {
var ccProcess struct {
Command types.FilteredString `json:"command"`
DiskInMB types.NullUint64 `json:"disk_in_mb"`
GUID string `json:"guid"`
Instances types.NullInt `json:"instances"`
MemoryInMB types.NullUint64 `json:"memory_in_mb"`
Type string `json:"type"`
HealthCheck struct {
Type constant.HealthCheckType `json:"type"`
Data struct {
Endpoint string `json:"endpoint"`
InvocationTimeout int `json:"invocation_timeout"`
} `json:"data"`
} `json:"health_check"`
}
err := cloudcontroller.DecodeJSON(data, &ccProcess)
if err != nil {
return err
}
p.Command = ccProcess.Command
p.DiskInMB = ccProcess.DiskInMB
p.GUID = ccProcess.GUID
p.HealthCheckEndpoint = ccProcess.HealthCheck.Data.Endpoint
p.HealthCheckInvocationTimeout = ccProcess.HealthCheck.Data.InvocationTimeout
p.HealthCheckType = ccProcess.HealthCheck.Type
p.Instances = ccProcess.Instances
p.MemoryInMB = ccProcess.MemoryInMB
p.Type = ccProcess.Type
return nil
}
// CreateApplicationProcessScale updates process instances count, memory or disk
func (client *Client) CreateApplicationProcessScale(appGUID string, process Process) (Process, Warnings, error) {
body, err := json.Marshal(process)
if err != nil {
return Process{}, nil, err
}
request, err := client.newHTTPRequest(requestOptions{
RequestName: internal.PostApplicationProcessActionScaleRequest,
Body: bytes.NewReader(body),
URIParams: internal.Params{"app_guid": appGUID, "type": process.Type},
})
if err != nil {
return Process{}, nil, err
}
var responseProcess Process
response := cloudcontroller.Response{
DecodeJSONResponseInto: &responseProcess,
}
err = client.connection.Make(request, &response)
return responseProcess, response.Warnings, err
}
// GetApplicationProcessByType returns application process of specified type
func (client *Client) GetApplicationProcessByType(appGUID string, processType string) (Process, Warnings, error) {
request, err := client.newHTTPRequest(requestOptions{
RequestName: internal.GetApplicationProcessRequest,
URIParams: map[string]string{
"app_guid": appGUID,
"type": processType,
},
})
if err != nil {
return Process{}, nil, err
}
var process Process
response := cloudcontroller.Response{
DecodeJSONResponseInto: &process,
}
err = client.connection.Make(request, &response)
return process, response.Warnings, err
}
// GetApplicationProcesses lists processes for a given application. **Note**:
// Due to security, the API obfuscates certain values such as `command`.
func (client *Client) GetApplicationProcesses(appGUID string) ([]Process, Warnings, error) {
request, err := client.newHTTPRequest(requestOptions{
RequestName: internal.GetApplicationProcessesRequest,
URIParams: map[string]string{"app_guid": appGUID},
})
if err != nil {
return nil, nil, err
}
var fullProcessesList []Process
warnings, err := client.paginate(request, Process{}, func(item interface{}) error {
if process, ok := item.(Process); ok {
fullProcessesList = append(fullProcessesList, process)
} else {
return ccerror.UnknownObjectInListError{
Expected: Process{},
Unexpected: item,
}
}
return nil
})
return fullProcessesList, warnings, err
}
// UpdateProcess updates the process's command or health check settings. GUID
// is always required; HealthCheckType is only required when updating health
// check settings.
func (client *Client) UpdateProcess(process Process) (Process, Warnings, error) {
body, err := json.Marshal(Process{
Command: process.Command,
HealthCheckType: process.HealthCheckType,
HealthCheckEndpoint: process.HealthCheckEndpoint,
HealthCheckInvocationTimeout: process.HealthCheckInvocationTimeout,
})
if err != nil {
return Process{}, nil, err
}
request, err := client.newHTTPRequest(requestOptions{
RequestName: internal.PatchProcessRequest,
Body: bytes.NewReader(body),
URIParams: internal.Params{"process_guid": process.GUID},
})
if err != nil {
return Process{}, nil, err
}
var responseProcess Process
response := cloudcontroller.Response{
DecodeJSONResponseInto: &responseProcess,
}
err = client.connection.Make(request, &response)
return responseProcess, response.Warnings, err
}
type healthCheck struct {
Type constant.HealthCheckType `json:"type"`
Data struct {
Endpoint interface{} `json:"endpoint"`
InvocationTimeout int `json:"invocation_timeout,omitempty"`
} `json:"data"`
}
type marshalProcess struct {
Command interface{} `json:"command,omitempty"`
Instances json.Number `json:"instances,omitempty"`
MemoryInMB json.Number `json:"memory_in_mb,omitempty"`
DiskInMB json.Number `json:"disk_in_mb,omitempty"`
HealthCheck *healthCheck `json:"health_check,omitempty"`
}
func marshalCommand(p Process, ccProcess *marshalProcess) {
if p.Command.IsSet {
ccProcess.Command = &p.Command
}
}
func marshalDisk(p Process, ccProcess *marshalProcess) {
if p.DiskInMB.IsSet {
ccProcess.DiskInMB = json.Number(fmt.Sprint(p.DiskInMB.Value))
}
}
func marshalHealthCheck(p Process, ccProcess *marshalProcess) {
if p.HealthCheckType != "" || p.HealthCheckEndpoint != "" || p.HealthCheckInvocationTimeout != 0 {
ccProcess.HealthCheck = new(healthCheck)
ccProcess.HealthCheck.Type = p.HealthCheckType
ccProcess.HealthCheck.Data.InvocationTimeout = p.HealthCheckInvocationTimeout
if p.HealthCheckEndpoint != "" {
ccProcess.HealthCheck.Data.Endpoint = p.HealthCheckEndpoint
}
}
}
func marshalInstances(p Process, ccProcess *marshalProcess) {
if p.Instances.IsSet {
ccProcess.Instances = json.Number(fmt.Sprint(p.Instances.Value))
}
}
func marshalMemory(p Process, ccProcess *marshalProcess) {
if p.MemoryInMB.IsSet {
ccProcess.MemoryInMB = json.Number(fmt.Sprint(p.MemoryInMB.Value))
}
}