forked from cbusch-pivotal/cf-orgs-usage
/
service_usage.go
245 lines (210 loc) · 8.88 KB
/
service_usage.go
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package main
import (
"crypto/tls"
"fmt"
"net/http"
"os"
"time"
cfclient "github.com/cloudfoundry-community/go-cfclient"
"github.com/labstack/echo"
"github.com/palantir/stacktrace"
"github.com/parnurzeal/gorequest"
)
// ServiceUsage array of orgs usage
type ServiceUsage struct {
Orgs []OrgServiceUsage `json:"orgs"`
}
// OrgServiceUsage Single org usage
type OrgServiceUsage struct {
OrganizationGUID string `json:"organization_guid"`
OrgName string `json:"organization_name"`
PeriodStart time.Time `json:"period_start"`
PeriodEnd time.Time `json:"period_end"`
ServiceUsages []struct {
Deleted bool `json:"deleted"`
DurationInSeconds float32 `json:"duration_in_seconds"`
SpaceGUID string `json:"space_guid"`
SpaceName string `json:"space_name"`
ServiceInstanceGUID string `json:"service_instance_guid"`
ServiceInstanceName string `json:"service_instance_name"`
ServiceInstanceType string `json:"service_instance_type"`
ServicePlanGUID string `json:"service_plan_guid"`
ServicePlanName string `json:"service_plan_name"`
ServiceName string `json:"service_name"`
ServiceGUID string `json:"service_guid"`
ServiceInstanceCreation time.Time `json:"service_instance_creation"`
ServiceInstanceDeletion time.Time `json:"service_instance_deletion"`
} `json:"service_usages"`
}
// FlattenServiceUsage flattened data for simple response with repeated org info
type FlattenServiceUsage struct {
Orgs []FlattenOrgServiceUsage `json:"service_usages"`
}
// FlattenOrgServiceUsage flattened data for simple response usage
type FlattenOrgServiceUsage struct {
OrganizationGUID string `json:"organization_guid"`
OrgName string `json:"organization_name"`
PeriodStart time.Time `json:"period_start"`
PeriodEnd time.Time `json:"period_end"`
Deleted bool `json:"deleted"`
DurationInSeconds float32 `json:"duration_in_seconds"`
SpaceGUID string `json:"space_guid"`
SpaceName string `json:"space_name"`
ServiceInstanceGUID string `json:"service_instance_guid"`
ServiceInstanceName string `json:"service_instance_name"`
ServiceInstanceType string `json:"service_instance_type"`
ServicePlanGUID string `json:"service_plan_guid"`
ServicePlanName string `json:"service_plan_name"`
ServiceName string `json:"service_name"`
ServiceGUID string `json:"service_guid"`
ServiceInstanceCreation time.Time `json:"service_instance_creation"`
ServiceInstanceDeletion time.Time `json:"service_instance_deletion"`
}
// ServiceUsageReportByRange handle a start and end date in the call
// /service-usage?start=2017-11-01&end=2017-11-03
func ServiceUsageReportByRange(c echo.Context) error {
// format the date range
fmt.Println("Start date is '" + c.QueryParam("start") + "'")
start, err := time.Parse(dateFormat, c.QueryParam("start"))
if err != nil {
return stacktrace.Propagate(err, "Improper start date provided in the URL")
}
end, err := time.Parse(dateFormat, c.QueryParam("end"))
if err != nil {
return stacktrace.Propagate(err, "Improper end date provided in the URL")
}
// format the start and end string
dateRange := GenDateRange(start, end)
fmt.Println("Date range is ", dateRange)
// Generate the report for all orgs
flatUsage, err := GetServiceUsageReport(cfClient, dateRange)
if err != nil {
return stacktrace.Propagate(err, "Couldn't service service usage report for yesterday")
}
// return report
return c.JSON(http.StatusOK, flatUsage)
}
// ServiceUsageReportForToday handles the static nature of Apptio's Datalink
// in order to gather service usage data for the previous day
func ServiceUsageReportForToday(c echo.Context) error {
// format the date range
dateToday := time.Now().Local()
// format the start and end string
dateRange := GenDateRange(dateToday, dateToday)
fmt.Println("Date range is ", dateRange)
// Generate the report for all orgs
flatUsage, err := GetServiceUsageReport(cfClient, dateRange)
if err != nil {
return stacktrace.Propagate(err, "Couldn't get service usage report for yesterday")
}
// return report
return c.JSON(http.StatusOK, flatUsage)
}
// ServiceUsageReportForYesterday handles the static nature of Apptio's Datalink
// in order to gather service usage data for the previous day
func ServiceUsageReportForYesterday(c echo.Context) error {
// format the date range
dateToday := time.Now().Local()
dateYesterday := dateToday.AddDate(0, 0, -1)
// format the start and end string
dateRange := GenDateRange(dateYesterday, dateYesterday)
fmt.Println("Date range is ", dateRange)
// Generate the report for all orgs
flatUsage, err := GetServiceUsageReport(cfClient, dateRange)
if err != nil {
return stacktrace.Propagate(err, "Couldn't get service usage report for yesterday")
}
// return report
return c.JSON(http.StatusOK, flatUsage)
}
// ServiceUsageReportForMonth handles the service-usage call validating the date
// and executing the report creation
func ServiceUsageReportForMonth(c echo.Context) error {
// first day of month and today's date
dateToday := time.Now().Local()
currentYear, currentMonth, _ := dateToday.Date()
currentLocation := dateToday.Location()
firstOfMonth := time.Date(currentYear, currentMonth, 1, 0, 0, 0, 0, currentLocation)
// format the start and end string
dateRange := GenDateRange(firstOfMonth, dateToday)
fmt.Println("Date range is ", dateRange)
// Generate the report for all orgs
flatUsage, err := GetServiceUsageReport(cfClient, dateRange)
if err != nil {
return stacktrace.Propagate(err, "Couldn't get service usage report for yesterday")
}
// return report
return c.JSON(http.StatusOK, flatUsage)
}
// GetServiceUsageReport pulls the entire report together
func GetServiceUsageReport(client *cfclient.Client, dateRange string) (*FlattenServiceUsage, error) {
// get a list of orgs within the foundation
orgs, err := client.ListOrgs()
if err != nil {
return nil, stacktrace.Propagate(err, "Failed getting list of orgs using client: %v", client)
}
report := ServiceUsage{}
token, err := client.GetToken()
if err != nil {
return nil, stacktrace.Propagate(err, "Failed getting token using client: %v", client)
}
// loop through orgs and get service usage report for each
for _, org := range orgs {
orgUsage, err := GetServiceUsageForOrg(token, org, dateRange)
if err != nil {
return nil, stacktrace.Propagate(err, "Failed getting service usage for org: "+org.Name)
}
orgUsage.OrgName = org.Name
report.Orgs = append(report.Orgs, *orgUsage)
}
flatServiceReport, err := GetFlattenedServiceOutput(&report)
if err != nil {
return nil, stacktrace.Propagate(err, "Couldn't get service usage report")
}
return &flatServiceReport, nil
}
// GetServiceUsageForOrg queries apps manager service_usages API for the orgs service usage information
func GetServiceUsageForOrg(token string, org cfclient.Org, dateRange string) (*OrgServiceUsage, error) {
usageAPI := os.Getenv("CF_USAGE_API")
target := &OrgServiceUsage{}
request := gorequest.New()
resp, _, err := request.Get(usageAPI+"/organizations/"+org.Guid+"/service_usages?"+dateRange).
Set("Authorization", token).TLSClientConfig(&tls.Config{InsecureSkipVerify: cfSkipSsl}).
EndStruct(&target)
if err != nil {
return nil, stacktrace.Propagate(err[0], "Failed to get service usage report %v", org)
}
if resp.StatusCode != 200 {
return nil, stacktrace.NewError("Failed getting service usage report %v", resp)
}
return target, nil
}
//GetFlattenedServiceOutput convert formatting to flattened output
func GetFlattenedServiceOutput(usageReport *ServiceUsage) (FlattenServiceUsage, error) {
var flatUsage FlattenServiceUsage
for _, orgs := range usageReport.Orgs {
for _, service := range orgs.ServiceUsages {
serviceusage := FlattenOrgServiceUsage{
OrganizationGUID: orgs.OrganizationGUID,
OrgName: orgs.OrgName,
PeriodStart: orgs.PeriodStart,
PeriodEnd: orgs.PeriodEnd,
Deleted: service.Deleted,
DurationInSeconds: service.DurationInSeconds,
SpaceGUID: service.SpaceGUID,
SpaceName: service.SpaceName,
ServiceInstanceGUID: service.ServiceInstanceGUID,
ServiceInstanceName: service.ServiceInstanceName,
ServiceInstanceType: service.ServiceInstanceType,
ServicePlanGUID: service.ServicePlanGUID,
ServicePlanName: service.ServicePlanName,
ServiceName: service.ServiceName,
ServiceGUID: service.ServiceGUID,
ServiceInstanceCreation: service.ServiceInstanceCreation,
ServiceInstanceDeletion: service.ServiceInstanceDeletion,
}
flatUsage.Orgs = append(flatUsage.Orgs, serviceusage)
}
}
return flatUsage, nil
}