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102 lines
2.5 KiB
Go
102 lines
2.5 KiB
Go
package iac
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import (
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"crypto/md5"
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"encoding/hex"
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"fmt"
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"github.com/creasty/defaults"
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"github.com/pulumi/pulumi-cloudflare/sdk/v4/go/cloudflare"
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"github.com/pulumi/pulumi/sdk/v3/go/pulumi"
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"strings"
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)
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type DNSRecordType string
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const (
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A DNSRecordType = "a"
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AAAA = "aaaa"
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MX = "mx"
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TXT = "txt"
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CAA = "caa"
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CNAME = "cname"
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)
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type DNSRecord struct {
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CFRecord *cloudflare.Record
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Zone *Zone
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Name string `default:"@" yaml:"name"`
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Kind DNSRecordType `yaml:"kind"`
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Value string `yaml:"value,omitempty"`
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Priority int `yaml:"priority,omitempty"`
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Flags string `yaml:"flags,omitempty"`
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Tag string `yaml:"tag,omitempty"`
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Ttl int `default:"3600" yaml:"ttl,omitempty"`
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}
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func (r *DNSRecord) UnmarshalYAML(unmarshal func(interface{}) error) (err error) {
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err = defaults.Set(r)
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if err != nil {
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return err
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}
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type plain DNSRecord
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if err := unmarshal((*plain)(r)); err != nil {
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return err
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}
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return err
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}
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func (r *DNSRecord) getZone() pulumi.StringOutput {
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return r.Zone.CFZone.ID().ToStringOutput()
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}
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func (r *DNSRecord) getName() string {
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base := fmt.Sprintf("%s-%s-%s", r.Zone.Alias, r.Kind, r.Name)
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hash := md5.Sum([]byte(r.Value))
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hashString := hex.EncodeToString(hash[:])[:5]
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suffix := ""
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switch r.Kind {
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case MX:
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suffix = fmt.Sprintf("-%d-%s", r.Priority, hashString)
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case CAA:
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suffix = fmt.Sprintf("%s-%s", r.Flags, r.Tag)
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case A, AAAA, TXT, CNAME:
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suffix = fmt.Sprintf("-%s", hashString)
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}
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built := base + suffix
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return built
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}
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func (r *DNSRecord) handle(ctx *pulumi.Context, zone *Zone) (err error) {
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r.Zone = zone
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var recordArgs *cloudflare.RecordArgs
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switch r.Kind {
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case CAA:
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recordArgs = &cloudflare.RecordArgs{
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ZoneId: r.getZone(),
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Name: pulumi.String(r.Name),
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Type: pulumi.String(strings.ToUpper(string(r.Kind))),
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Ttl: pulumi.Int(r.Ttl),
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Data: &cloudflare.RecordDataArgs{
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Flags: pulumi.String(r.Flags),
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Tag: pulumi.String(r.Tag),
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Value: pulumi.String(r.Value),
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},
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}
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default:
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recordArgs = &cloudflare.RecordArgs{
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ZoneId: r.getZone(),
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Name: pulumi.String(r.Name),
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Type: pulumi.String(strings.ToUpper(string(r.Kind))),
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Ttl: pulumi.Int(r.Ttl),
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Priority: pulumi.Int(r.Priority),
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Value: pulumi.String(r.Value),
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}
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}
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r.CFRecord, err = cloudflare.NewRecord(ctx, r.getName(), recordArgs, pulumi.DependsOn([]pulumi.Resource{r.Zone.CFZone}))
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return err
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}
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