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show_app.go
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show_app.go
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package application
import (
"cf"
"cf/api"
"cf/configuration"
"cf/formatters"
"cf/requirements"
"cf/terminal"
"errors"
"fmt"
"github.com/codegangsta/cli"
"strings"
)
type ShowApp struct {
ui terminal.UI
config *configuration.Configuration
appSummaryRepo api.AppSummaryRepository
appInstancesRepo api.AppInstancesRepository
appReq requirements.ApplicationRequirement
}
type ApplicationDisplayer interface {
ShowApp(app cf.Application)
}
func NewShowApp(ui terminal.UI, config *configuration.Configuration, appSummaryRepo api.AppSummaryRepository, appInstancesRepo api.AppInstancesRepository) (cmd *ShowApp) {
cmd = new(ShowApp)
cmd.ui = ui
cmd.config = config
cmd.appSummaryRepo = appSummaryRepo
cmd.appInstancesRepo = appInstancesRepo
return
}
func (cmd *ShowApp) GetRequirements(reqFactory requirements.Factory, c *cli.Context) (reqs []requirements.Requirement, err error) {
if len(c.Args()) < 1 {
err = errors.New("Incorrect Usage")
cmd.ui.FailWithUsage(c, "app")
return
}
cmd.appReq = reqFactory.NewApplicationRequirement(c.Args()[0])
reqs = []requirements.Requirement{
reqFactory.NewLoginRequirement(),
reqFactory.NewTargetedSpaceRequirement(),
cmd.appReq,
}
return
}
func (cmd *ShowApp) Run(c *cli.Context) {
app := cmd.appReq.GetApplication()
cmd.ShowApp(app)
}
func (cmd *ShowApp) ShowApp(app cf.Application) {
cmd.ui.Say("Showing health and status for app %s in org %s / space %s as %s...",
terminal.EntityNameColor(app.Name),
terminal.EntityNameColor(cmd.config.OrganizationFields.Name),
terminal.EntityNameColor(cmd.config.SpaceFields.Name),
terminal.EntityNameColor(cmd.config.Username()),
)
appSummary, apiResponse := cmd.appSummaryRepo.GetSummary(app.Guid)
appIsStopped := apiResponse.ErrorCode == cf.APP_STOPPED || apiResponse.ErrorCode == cf.APP_NOT_STAGED
if apiResponse.IsNotSuccessful() && !appIsStopped {
cmd.ui.Failed(apiResponse.Message)
return
}
instances, apiResponse := cmd.appInstancesRepo.GetInstances(app.Guid)
if apiResponse.IsNotSuccessful() && !appIsStopped {
cmd.ui.Failed(apiResponse.Message)
return
}
cmd.ui.Ok()
cmd.ui.Say("\n%s %s", terminal.HeaderColor("requested state:"), coloredAppState(appSummary.ApplicationFields))
cmd.ui.Say("%s %s", terminal.HeaderColor("instances:"), coloredAppInstances(appSummary.ApplicationFields))
cmd.ui.Say("%s %s x %d instances", terminal.HeaderColor("usage:"), formatters.ByteSize(appSummary.Memory*formatters.MEGABYTE), appSummary.InstanceCount)
var urls []string
for _, route := range appSummary.RouteSummaries {
urls = append(urls, route.URL())
}
cmd.ui.Say("%s %s\n", terminal.HeaderColor("urls:"), strings.Join(urls, ", "))
if appIsStopped {
return
}
table := [][]string{
[]string{"", "state", "since", "cpu", "memory", "disk"},
}
for index, instance := range instances {
table = append(table, []string{
fmt.Sprintf("#%d", index),
coloredInstanceState(instance),
instance.Since.Format("2006-01-02 03:04:05 PM"),
fmt.Sprintf("%.1f%%", instance.CpuUsage*100),
fmt.Sprintf("%s of %s", formatters.ByteSize(instance.MemUsage), formatters.ByteSize(instance.MemQuota)),
fmt.Sprintf("%s of %s", formatters.ByteSize(instance.DiskUsage), formatters.ByteSize(instance.DiskQuota)),
})
}
cmd.ui.DisplayTable(table)
}