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custom_acl.go
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custom_acl.go
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package rdb
import (
"context"
"fmt"
"reflect"
"github.com/fatih/color"
"github.com/scaleway/scaleway-cli/v2/internal/core"
"github.com/scaleway/scaleway-cli/v2/internal/editor"
"github.com/scaleway/scaleway-cli/v2/internal/human"
"github.com/scaleway/scaleway-sdk-go/api/rdb/v1"
"github.com/scaleway/scaleway-sdk-go/scw"
)
var (
aclRuleActionMarshalSpecs = human.EnumMarshalSpecs{
rdb.ACLRuleActionAllow: &human.EnumMarshalSpec{Attribute: color.FgGreen, Value: "allow"},
rdb.ACLRuleActionDeny: &human.EnumMarshalSpec{Attribute: color.FgRed, Value: "deny"},
}
)
type rdbACLCustomArgs struct {
Region scw.Region
InstanceID string
ACLRuleIPs scw.IPNet
Description string
}
type CustomACLResult struct {
Rules []*rdb.ACLRule
Success core.SuccessResult
}
func rdbACLCustomResultMarshalerFunc(i interface{}, opt *human.MarshalOpt) (string, error) {
result := i.(CustomACLResult)
messageStr, err := result.Success.MarshalHuman()
if err != nil {
return "", err
}
aclStr, err := human.Marshal(result.Rules, opt)
if err != nil {
return "", err
}
return messageStr + "\n" + aclStr, nil
}
func aclAddBuilder(c *core.Command) *core.Command {
c.ArgsType = reflect.TypeOf(rdbACLCustomArgs{})
c.ArgSpecs = core.ArgSpecs{
{
Name: "acl-rule-ips",
Short: "IP addresses defined in the ACL rules of the Database Instance",
Required: true,
Positional: true,
},
{
Name: "instance-id",
Short: "ID of the Database Instance",
Required: true,
Positional: false,
},
{
Name: "description",
Short: "Description of the ACL rule. Indexes are not yet supported so the description will be applied to all the rules of the command.",
Required: false,
Positional: false,
},
core.RegionArgSpec(),
}
c.Interceptor = func(ctx context.Context, argsI interface{}, runner core.CommandRunner) (interface{}, error) {
respI, err := runner(ctx, argsI)
if err != nil {
return nil, err
}
return respI.(*CustomACLResult), nil
}
c.Run = func(ctx context.Context, argsI interface{}) (i interface{}, e error) {
args := argsI.(*rdbACLCustomArgs)
client := core.ExtractClient(ctx)
api := rdb.NewAPI(client)
description := args.Description
if description == "" {
description = fmt.Sprintf("Allow %s", args.ACLRuleIPs.String())
}
rule, err := api.AddInstanceACLRules(&rdb.AddInstanceACLRulesRequest{
Region: args.Region,
InstanceID: args.InstanceID,
Rules: []*rdb.ACLRuleRequest{
{
IP: args.ACLRuleIPs,
Description: description,
},
},
}, scw.WithContext(ctx))
if err != nil {
return nil, fmt.Errorf("failed to add ACL rule: %w", err)
}
return &CustomACLResult{
Rules: rule.Rules,
Success: core.SuccessResult{
Message: fmt.Sprintf("ACL rule %s successfully added", args.ACLRuleIPs.String()),
},
}, nil
}
c.WaitFunc = func(ctx context.Context, argsI, respI interface{}) (interface{}, error) {
args := argsI.(*rdbACLCustomArgs)
api := rdb.NewAPI(core.ExtractClient(ctx))
_, err := api.WaitForInstance(&rdb.WaitForInstanceRequest{
InstanceID: args.InstanceID,
Region: args.Region,
Timeout: scw.TimeDurationPtr(instanceActionTimeout),
RetryInterval: core.DefaultRetryInterval,
})
if err != nil {
return nil, err
}
return respI.(*CustomACLResult), nil
}
return c
}
func aclDeleteBuilder(c *core.Command) *core.Command {
c.ArgsType = reflect.TypeOf(rdbACLCustomArgs{})
c.ArgSpecs = core.ArgSpecs{
{
Name: "acl-rule-ips",
Short: "IP addresses defined in the ACL rules of the Database Instance",
Required: true,
Positional: true,
},
{
Name: "instance-id",
Short: "ID of the Database Instance",
Required: true,
Positional: false,
},
core.RegionArgSpec(),
}
c.Interceptor = func(ctx context.Context, argsI interface{}, runner core.CommandRunner) (interface{}, error) {
respI, err := runner(ctx, argsI)
if err != nil {
return nil, err
}
api := rdb.NewAPI(core.ExtractClient(ctx))
args := argsI.(*rdbACLCustomArgs)
rules, err := api.ListInstanceACLRules(&rdb.ListInstanceACLRulesRequest{
Region: args.Region,
InstanceID: args.InstanceID,
}, scw.WithContext(ctx), scw.WithAllPages())
if err != nil {
return nil, fmt.Errorf("failed to list ACL rules: %w", err)
}
resp := respI.(*CustomACLResult)
resp.Rules = rules.Rules
return resp, nil
}
c.Run = func(ctx context.Context, argsI interface{}) (i interface{}, e error) {
args := argsI.(*rdbACLCustomArgs)
client := core.ExtractClient(ctx)
api := rdb.NewAPI(client)
// The API returns 200 OK even if the rule was not set in the first place, so we have to check if the rule was present
// before deleting it to warn them if nothing was done
ruleWasSet := false
rules, err := api.ListInstanceACLRules(&rdb.ListInstanceACLRulesRequest{
Region: args.Region,
InstanceID: args.InstanceID,
}, scw.WithContext(ctx), scw.WithAllPages())
if err != nil {
return nil, fmt.Errorf("failed to list ACL rules: %w", err)
}
for _, rule := range rules.Rules {
if rule.IP.String() == args.ACLRuleIPs.String() {
ruleWasSet = true
}
}
_, err = api.DeleteInstanceACLRules(&rdb.DeleteInstanceACLRulesRequest{
Region: args.Region,
InstanceID: args.InstanceID,
ACLRuleIPs: []string{args.ACLRuleIPs.String()},
}, scw.WithContext(ctx))
if err != nil {
return nil, fmt.Errorf("failed to remove ACL rule: %w", err)
}
message := ""
if ruleWasSet {
message = fmt.Sprintf("ACL rule %s successfully deleted", args.ACLRuleIPs.String())
} else {
message = fmt.Sprintf("ACL rule %s was not set", args.ACLRuleIPs.String())
}
return &CustomACLResult{
Success: core.SuccessResult{
Message: message,
},
}, nil
}
c.WaitFunc = func(ctx context.Context, argsI, respI interface{}) (interface{}, error) {
args := argsI.(*rdbACLCustomArgs)
api := rdb.NewAPI(core.ExtractClient(ctx))
_, err := api.WaitForInstance(&rdb.WaitForInstanceRequest{
InstanceID: args.InstanceID,
Region: args.Region,
Timeout: scw.TimeDurationPtr(instanceActionTimeout),
RetryInterval: core.DefaultRetryInterval,
})
if err != nil {
return nil, err
}
return respI.(*CustomACLResult), nil
}
return c
}
type rdbACLSetCustomArgs struct {
Region scw.Region
InstanceID string
ACLRuleIPs []scw.IPNet
Descriptions []string
}
func aclSetBuilder(c *core.Command) *core.Command {
c.ArgsType = reflect.TypeOf(rdbACLSetCustomArgs{})
c.ArgSpecs = core.ArgSpecs{
{
Name: "acl-rule-ips",
Short: "IP addresses defined in the ACL rules of the Database Instance",
Required: false,
Positional: true,
},
{
Name: "instance-id",
Short: "ID of the Database Instance",
Required: true,
Positional: false,
},
{
Name: "descriptions",
Short: "Descriptions of the ACL rules",
Required: false,
Positional: false,
},
core.RegionArgSpec(),
}
c.AcceptMultiplePositionalArgs = true
c.Run = func(ctx context.Context, argsI interface{}) (i interface{}, e error) {
args := argsI.(*rdbACLSetCustomArgs)
client := core.ExtractClient(ctx)
api := rdb.NewAPI(client)
aclRules := []*rdb.ACLRuleRequest(nil)
for _, ip := range args.ACLRuleIPs {
aclRules = append(aclRules, &rdb.ACLRuleRequest{
IP: ip,
Description: fmt.Sprintf("Allow %s", ip.String()),
})
}
for i, desc := range args.Descriptions {
aclRules[i].Description = desc
}
rule, err := api.SetInstanceACLRules(&rdb.SetInstanceACLRulesRequest{
Region: args.Region,
InstanceID: args.InstanceID,
Rules: aclRules,
}, scw.WithContext(ctx))
if err != nil {
return nil, fmt.Errorf("failed to set ACL rule: %w", err)
}
return &CustomACLResult{
Rules: rule.Rules,
Success: core.SuccessResult{
Message: "ACL rules successfully set",
},
}, nil
}
c.WaitFunc = func(ctx context.Context, argsI, respI interface{}) (interface{}, error) {
args := argsI.(*rdbACLSetCustomArgs)
api := rdb.NewAPI(core.ExtractClient(ctx))
_, err := api.WaitForInstance(&rdb.WaitForInstanceRequest{
InstanceID: args.InstanceID,
Region: args.Region,
Timeout: scw.TimeDurationPtr(instanceActionTimeout),
RetryInterval: core.DefaultRetryInterval,
})
if err != nil {
return nil, err
}
return respI.(*CustomACLResult), nil
}
return c
}
var rdbACLEditYamlExample = `rules:
- description: your description
ip: 0.0.0.0/0
`
type rdbACLEditArgs struct {
Region scw.Region
InstanceID string
Mode editor.MarshalMode
}
func aclEditCommand() *core.Command {
return &core.Command{
Short: "Edit a database instance's ACL",
Long: editor.LongDescription,
Namespace: "rdb",
Resource: "acl",
Verb: "edit",
ArgsType: reflect.TypeOf(rdbACLEditArgs{}),
ArgSpecs: core.ArgSpecs{
{
Name: "instance-id",
Short: "ID of the Database Instance",
Required: true,
Positional: true,
},
editor.MarshalModeArgSpec(),
core.RegionArgSpec(),
},
Run: func(ctx context.Context, argsI interface{}) (i interface{}, e error) {
args := argsI.(*rdbACLEditArgs)
client := core.ExtractClient(ctx)
api := rdb.NewAPI(client)
setRequest := &rdb.SetInstanceACLRulesRequest{
Region: args.Region,
InstanceID: args.InstanceID,
}
rules, err := api.ListInstanceACLRules(&rdb.ListInstanceACLRulesRequest{
Region: args.Region,
InstanceID: args.InstanceID,
}, scw.WithAllPages(), scw.WithContext(ctx))
if err != nil {
return nil, fmt.Errorf("failed to list ACL rules: %w", err)
}
editedSetRequest, err := editor.UpdateResourceEditor(rules, setRequest, &editor.Config{
PutRequest: true,
MarshalMode: args.Mode,
Template: rdbACLEditYamlExample,
})
if err != nil {
return nil, err
}
setRequest = editedSetRequest.(*rdb.SetInstanceACLRulesRequest)
resp, err := api.SetInstanceACLRules(setRequest, scw.WithContext(ctx))
if err != nil {
return nil, fmt.Errorf("failed to set ACL rules: %w", err)
}
return resp.Rules, nil
},
}
}