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firewall_list.go
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firewall_list.go
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package cmd
import (
"fmt"
"strings"
"github.com/exoscale/egoscale"
"github.com/spf13/cobra"
)
type securityGroupListItemOutput struct {
ID string `json:"id"`
Name string `json:"name"`
Description string `json:"description"`
NumRules int `json:"num_rules" outputLabel:"Rules"`
}
type securityGroupListOutput []securityGroupListItemOutput
func (o *securityGroupListOutput) toJSON() { outputJSON(o) }
func (o *securityGroupListOutput) toText() { outputText(o) }
func (o *securityGroupListOutput) toTable() { outputTable(o) }
func init() {
firewallCmd.AddCommand(&cobra.Command{
Use: "list [filter ...]",
Short: "List Security Groups",
Long: fmt.Sprintf(`This command lists existing Security Groups.
Optional patterns can be provided to filter results by ID, name or description.
Supported output template annotations: %s`,
strings.Join(outputterTemplateAnnotations(&securityGroupListOutput{}), ", ")),
Aliases: gListAlias,
RunE: func(cmd *cobra.Command, args []string) error {
return output(listSecurityGroups(args))
},
})
}
func listSecurityGroups(filters []string) (outputter, error) {
sgs, err := cs.ListWithContext(gContext, &egoscale.SecurityGroup{})
if err != nil {
return nil, err
}
out := securityGroupListOutput{}
for _, s := range sgs {
sg := s.(*egoscale.SecurityGroup)
keep := true
if len(filters) > 0 {
keep = false
s := strings.ToLower(fmt.Sprintf("%s#%s#%s", sg.ID, sg.Name, sg.Description))
for _, filter := range filters {
substr := strings.ToLower(filter)
if strings.Contains(s, substr) {
keep = true
break
}
}
}
if !keep {
continue
}
out = append(out, securityGroupListItemOutput{
ID: sg.ID.String(),
Name: sg.Name,
Description: sg.Description,
NumRules: len(sg.IngressRule) + len(sg.EgressRule),
})
}
return &out, nil
}