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security_group_show.go
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security_group_show.go
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package cmd
import (
"bytes"
"fmt"
"os"
"strings"
"github.com/exoscale/cli/table"
exoapi "github.com/exoscale/egoscale/v2/api"
"github.com/olekukonko/tablewriter"
"github.com/spf13/cobra"
)
type securityGroupRuleOutput struct {
ID string `json:"id"`
Description string `json:"description"`
ICMPCode *int64 `json:"icmp_code,omitempty"`
ICMPType *int64 `json:"icmp_type,omitempty"`
Network *string `json:"network,omitempty"`
Protocol string `json:"protocol"`
SecurityGroup *string `json:"security_group,omitempty"`
StartPort *uint16 `json:"start_port,omitempty"`
EndPort *uint16 `json:"end_port,omitempty"`
}
type securityGroupShowOutput struct {
ID string `json:"id"`
Name string `json:"name"`
Description string `json:"description"`
ExternalSources []string `json:"external_sources"`
IngressRules []securityGroupRuleOutput `json:"ingress_rules"`
EgressRules []securityGroupRuleOutput `json:"egress_rules"`
}
func (o *securityGroupShowOutput) toJSON() { outputJSON(o) }
func (o *securityGroupShowOutput) toText() { outputText(o) }
func (o *securityGroupShowOutput) toTable() {
formatExternalSources := func(sources []string) string {
if len(sources) > 0 {
return strings.Join(sources, ", ")
}
return "-"
}
formatRule := func(rules []securityGroupRuleOutput) string {
if len(rules) > 0 {
buf := bytes.NewBuffer(nil)
at := table.NewEmbeddedTable(buf)
at.SetHeader([]string{" "})
at.SetAlignment(tablewriter.ALIGN_LEFT)
for _, rule := range rules {
r := []string{rule.ID, rule.Description, strings.ToUpper(rule.Protocol)}
if rule.Network != nil {
r = append(r, *rule.Network)
} else {
r = append(r, "SG:"+*rule.SecurityGroup)
}
if strings.HasPrefix(rule.Protocol, "icmp") {
r = append(r, fmt.Sprintf("ICMP code:%d type:%d", *rule.ICMPCode, *rule.ICMPType))
} else if rule.StartPort != nil {
r = append(r, func() string {
if *rule.StartPort == *rule.EndPort {
return fmt.Sprint(*rule.StartPort)
}
return fmt.Sprintf("%d-%d", *rule.StartPort, *rule.EndPort)
}())
}
at.Append(r)
}
at.Render()
return buf.String()
}
return "-"
}
t := table.NewTable(os.Stdout)
t.SetHeader([]string{"Security Group"})
defer t.Render()
t.Append([]string{"ID", o.ID})
t.Append([]string{"Name", o.Name})
t.Append([]string{"Description", o.Description})
t.Append([]string{"Ingress Rules", formatRule(o.IngressRules)})
t.Append([]string{"Egress Rules", formatRule(o.EgressRules)})
t.Append([]string{"External Sources", formatExternalSources(o.ExternalSources)})
}
type securityGroupShowCmd struct {
cliCommandSettings `cli-cmd:"-"`
_ bool `cli-cmd:"show"`
SecurityGroup string `cli-arg:"#" cli-usage:"NAME|ID"`
}
func (c *securityGroupShowCmd) cmdAliases() []string { return gShowAlias }
func (c *securityGroupShowCmd) cmdShort() string {
return "Show a Security Group details"
}
func (c *securityGroupShowCmd) cmdLong() string {
return fmt.Sprintf(`This command shows a Compute instance Security Group details.
Supported output template annotations for Security Group: %s
Supported output template annotations for Security Group rules: %s`,
strings.Join(outputterTemplateAnnotations(&securityGroupShowOutput{}), ", "),
strings.Join(outputterTemplateAnnotations(&securityGroupRuleOutput{}), ", "))
}
func (c *securityGroupShowCmd) cmdPreRun(cmd *cobra.Command, args []string) error {
return cliCommandDefaultPreRun(c, cmd, args)
}
func (c *securityGroupShowCmd) cmdRun(_ *cobra.Command, _ []string) error {
zone := gCurrentAccount.DefaultZone
ctx := exoapi.WithEndpoint(gContext, exoapi.NewReqEndpoint(gCurrentAccount.Environment, zone))
securityGroup, err := cs.FindSecurityGroup(ctx, zone, c.SecurityGroup)
if err != nil {
return err
}
externalSources := make([]string, 0)
if securityGroup.ExternalSources != nil {
externalSources = *securityGroup.ExternalSources
}
out := securityGroupShowOutput{
ID: *securityGroup.ID,
Name: *securityGroup.Name,
Description: defaultString(securityGroup.Description, ""),
ExternalSources: externalSources,
IngressRules: make([]securityGroupRuleOutput, 0),
EgressRules: make([]securityGroupRuleOutput, 0),
}
for _, rule := range securityGroup.Rules {
or := securityGroupRuleOutput{
ID: *rule.ID,
Description: defaultString(rule.Description, ""),
ICMPCode: rule.ICMPCode,
ICMPType: rule.ICMPType,
Network: func() *string {
if rule.Network != nil {
v := rule.Network.String()
return &v
}
return nil
}(),
Protocol: *rule.Protocol,
StartPort: rule.StartPort,
EndPort: rule.EndPort,
}
if rule.SecurityGroupID != nil {
ruleSecurityGroup, err := cs.GetSecurityGroup(ctx, zone, *rule.SecurityGroupID)
if err != nil {
return fmt.Errorf("error retrieving Security Group: %w", err)
}
or.SecurityGroup = ruleSecurityGroup.Name
}
if *rule.FlowDirection == "ingress" {
out.IngressRules = append(out.IngressRules, or)
} else {
out.EgressRules = append(out.EgressRules, or)
}
}
return c.outputFunc(&out, nil)
}
func init() {
cobra.CheckErr(registerCLICommand(securityGroupCmd, &securityGroupShowCmd{
cliCommandSettings: defaultCLICmdSettings(),
}))
}