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limits.go
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limits.go
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package cmd
import (
"fmt"
"strings"
"github.com/exoscale/egoscale"
"github.com/spf13/cobra"
)
type LimitsItemOutput struct {
Resource string `json:"resource"`
Used int `json:"used"`
Max int `json:"max"`
}
type LimitsOutput []LimitsItemOutput
func (o *LimitsOutput) toJSON() { outputJSON(o) }
func (o *LimitsOutput) toText() { outputText(o) }
func (o *LimitsOutput) toTable() { outputTable(o) }
var limitsCmd = &cobra.Command{
Use: "limits",
Short: "Current account limits",
Long: fmt.Sprintf(`This command lists the safety limits currently enforced on your account.
Supported output template annotations: %s`,
strings.Join(outputterTemplateAnnotations(&LimitsOutput{}), ", ")),
RunE: func(cmd *cobra.Command, args []string) error {
return output(listLimits())
},
}
func listLimits() (outputter, error) {
limits, err := cs.ListWithContext(gContext, &egoscale.ResourceLimit{})
if err != nil {
return nil, err
}
display := map[string]string{
"user_vm": "Instances",
"snapshot": "Snapshots",
"template": "Templates",
"public_elastic_ip": "IP Addresses",
"network": "Private Networks",
}
out := LimitsOutput{}
for _, key := range limits {
limit := key.(*egoscale.ResourceLimit)
if used, err := fetchUsedResources(limit.ResourceTypeName); used != -1 {
if err != nil {
return nil, err
}
out = append(out, LimitsItemOutput{
Resource: display[limit.ResourceTypeName],
Max: int(limit.Max),
Used: used,
})
}
}
return &out, nil
}
func fetchUsedResources(resourceType string) (int, error) {
var resourceUsed int
switch resourceType {
case "user_vm":
instances, err := cs.ListWithContext(gContext, &egoscale.VirtualMachine{})
if err != nil {
return 0, err
}
resourceUsed = len(instances)
case "snapshot":
snapshots, err := cs.ListWithContext(gContext, &egoscale.Snapshot{})
if err != nil {
return 0, err
}
resourceUsed = len(snapshots)
case "template":
templates, err := cs.ListWithContext(gContext, &egoscale.ListTemplates{TemplateFilter: "self"})
if err != nil {
return 0, err
}
resourceUsed = len(templates)
case "network":
networks, err := cs.ListWithContext(gContext, &egoscale.Network{})
if err != nil {
return 0, err
}
resourceUsed = len(networks)
case "public_elastic_ip":
eips, err := cs.ListWithContext(gContext, &egoscale.IPAddress{IsElastic: true})
if err != nil {
return 0, err
}
resourceUsed = len(eips)
default:
return -1, nil
}
return resourceUsed, nil
}
func init() {
RootCmd.AddCommand(limitsCmd)
}