150 lines
3.6 KiB
Go
150 lines
3.6 KiB
Go
package main
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import (
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"fmt"
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"strconv"
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"github.com/pulumi/pulumi-linode/sdk/v3/go/linode"
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"github.com/pulumi/pulumi/sdk/v3/go/pulumi"
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"github.com/pulumi/pulumi/sdk/v3/go/pulumi/config"
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)
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func main() {
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pulumi.Run(infra)
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}
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func infra(ctx *pulumi.Context) error {
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cfg := config.New(ctx, "")
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platformConfigFile := cfg.Require("file")
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p, err := newConfig(platformConfigFile)
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if err != nil {
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return fmt.Errorf("unable to load the platform configuration; %w", err)
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}
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instance, err := getInstance(ctx, p)
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if err != nil {
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return err
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}
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if err := domain(ctx, p); err != nil {
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return fmt.Errorf("unable to manage the domain; %w", err)
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}
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if err := records(ctx, p); err != nil {
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return fmt.Errorf("unable to manage the domain records; %w", err)
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}
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if err := firewall(ctx, p, instance.Instances[0].Id); err != nil {
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return fmt.Errorf("unable to manage the firewall; %w", err)
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}
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return nil
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}
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func getInstance(ctx *pulumi.Context, cfg *platform) (*linode.GetInstancesResult, error) {
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args := linode.GetInstancesArgs{
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Filters: []linode.GetInstancesFilter{
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{
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Name: "label",
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Values: []string{cfg.Instance.Label},
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},
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},
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}
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instance, err := linode.GetInstances(ctx, &args)
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if err != nil {
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return nil, fmt.Errorf("unable to get instance details; %w", err)
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}
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return instance, nil
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}
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func domain(ctx *pulumi.Context, cfg *platform) error {
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domainArgs := linode.DomainArgs{
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Description: pulumi.String(cfg.Domain.Description),
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Domain: pulumi.String(cfg.Domain.Name),
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SoaEmail: pulumi.String(cfg.Domain.Email),
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Status: pulumi.String("active"),
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Tags: pulumi.ToStringArray(cfg.Tags),
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Type: pulumi.String(cfg.Domain.Type),
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}
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_, err := linode.NewDomain(ctx, cfg.Domain.Name, &domainArgs, pulumi.Protect(true))
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if err != nil {
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return err
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}
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return nil
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}
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func records(ctx *pulumi.Context, cfg *platform) error {
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domainName := cfg.Domain.Name
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domainArgs := linode.LookupDomainArgs{
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Domain: &domainName,
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}
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domain, err := linode.LookupDomain(ctx, &domainArgs, nil)
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if err != nil {
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return fmt.Errorf("unable to lookup domain %s; %w", domainName, err)
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}
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domainID, err := strconv.Atoi(*domain.Id)
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if err != nil {
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return fmt.Errorf("unable to get the Domain ID; %w", err)
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}
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for _, r := range cfg.Domain.Records {
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args := linode.DomainRecordArgs{
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DomainId: pulumi.Int(domainID),
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Name: pulumi.String(r.Name),
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RecordType: pulumi.String(r.Type),
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Target: pulumi.String(cfg.TempIP),
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TtlSec: pulumi.Int(r.TtlSec),
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}
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_, err := linode.NewDomainRecord(ctx, r.Label, &args, nil)
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if err != nil {
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return fmt.Errorf("unable to update the domain record '%s'; %w", r.Name, err)
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}
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}
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return nil
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}
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func firewall(ctx *pulumi.Context, cfg *platform, instanceID int) error {
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inbounds := linode.FirewallInboundArray{}
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for _, a := range cfg.Firewall.Inbound.Allow {
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allow := linode.FirewallInboundArgs{
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Label: pulumi.String(a.Label),
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Action: pulumi.String("ACCEPT"),
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Protocol: pulumi.String(a.Protocol),
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Ports: pulumi.String(a.Ports),
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Ipv4s: pulumi.ToStringArray(a.SourceIpv4s),
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Ipv6s: pulumi.ToStringArray(a.SourceIpv6s),
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}
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inbounds = append(inbounds, allow)
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}
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firewallArgs := linode.FirewallArgs{
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Label: pulumi.String(cfg.Firewall.Label),
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Tags: pulumi.ToStringArray(cfg.Tags),
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InboundPolicy: pulumi.String("DROP"),
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Inbounds: inbounds,
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OutboundPolicy: pulumi.String("ACCEPT"),
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Linodes: pulumi.IntArray{
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pulumi.Int(instanceID),
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},
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}
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_, err := linode.NewFirewall(ctx, cfg.Firewall.Label, &firewallArgs)
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if err != nil {
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return fmt.Errorf("unable to update the firewall; %w", err)
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}
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return nil
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}
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