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data_source_fastly_tls_certificate.go
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data_source_fastly_tls_certificate.go
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package fastly
import (
"context"
"fmt"
"github.com/hashicorp/terraform-plugin-sdk/v2/diag"
"time"
"github.com/fastly/go-fastly/v3/fastly"
"github.com/hashicorp/terraform-plugin-sdk/v2/helper/schema"
)
func dataSourceFastlyTLSCertificate() *schema.Resource {
return &schema.Resource{
ReadContext: dataSourceFastlyTLSCertificateRead,
Schema: map[string]*schema.Schema{
"id": {
Type: schema.TypeString,
Description: "Unique ID assigned to certificate by Fastly",
Optional: true,
Computed: true,
ConflictsWith: []string{"name", "issued_to", "domains", "issuer"},
},
"name": {
Type: schema.TypeString,
Description: "Human-readable name used to identify the certificate. Defaults to the certificate's Common Name or first Subject Alternative Name entry.",
Optional: true,
Computed: true,
ConflictsWith: []string{"id"},
},
"issued_to": {
Type: schema.TypeString,
Description: "The hostname for which a certificate was issued.",
Optional: true,
Computed: true,
ConflictsWith: []string{"id"},
},
"domains": {
Type: schema.TypeSet,
Description: "Domains that are listed in any certificates' Subject Alternative Names (SAN) list.",
Optional: true,
Computed: true,
Elem: &schema.Schema{Type: schema.TypeString},
ConflictsWith: []string{"id"},
},
"issuer": {
Type: schema.TypeString,
Description: "The certificate authority that issued the certificate.",
Optional: true,
Computed: true,
ConflictsWith: []string{"id"},
},
"created_at": {
Type: schema.TypeString,
Description: "Timestamp (GMT) when the certificate was created",
Computed: true,
},
"updated_at": {
Type: schema.TypeString,
Description: "Timestamp (GMT) when the certificate was last updated",
Computed: true,
},
"replace": {
Type: schema.TypeBool,
Description: "A recommendation from Fastly indicating the key associated with this certificate is in need of rotation",
Computed: true,
},
"serial_number": {
Type: schema.TypeString,
Description: "A value assigned by the issuer that is unique to a certificate",
Computed: true,
},
"signature_algorithm": {
Type: schema.TypeString,
Description: "The algorithm used to sign the certificate",
Computed: true,
},
},
}
}
func dataSourceFastlyTLSCertificateRead(_ context.Context, d *schema.ResourceData, meta interface{}) diag.Diagnostics {
conn := meta.(*FastlyClient).conn
var diags diag.Diagnostics
var certificate *fastly.CustomTLSCertificate
if v, ok := d.GetOk("id"); ok {
cert, err := conn.GetCustomTLSCertificate(&fastly.GetCustomTLSCertificateInput{
ID: v.(string),
})
if err != nil {
return diag.FromErr(err)
}
certificate = cert
} else {
filters := getTLSCertificateFilters(d)
certificates, err := listTLSCertificates(conn, filters...)
if err != nil {
return diag.FromErr(err)
}
if len(certificates) == 0 {
return diag.Errorf("Your query returned no results. Please change your search criteria and try again.")
}
if len(certificates) > 1 {
return diag.Errorf("Your query returned more than one result. Please change try a more specific search criteria and try again.")
}
certificate = certificates[0]
}
if certificate.Replace {
diags = append(diags, diag.Diagnostic{
Severity: diag.Warning,
Summary: fmt.Sprintf("Fastly recommends that this certificate (%s) be replaced", certificate.ID),
})
}
err := dataSourceFastlyTLSCertificateSetAttributes(certificate, d)
if err != nil {
return diag.FromErr(err)
}
return diags
}
type TLSCertificatePredicate func(*fastly.CustomTLSCertificate) bool
func getTLSCertificateFilters(d *schema.ResourceData) []TLSCertificatePredicate {
var filters []TLSCertificatePredicate
if v, ok := d.GetOk("name"); ok {
filters = append(filters, func(c *fastly.CustomTLSCertificate) bool {
return c.Name == v.(string)
})
}
if v, ok := d.GetOk("issued_to"); ok {
filters = append(filters, func(c *fastly.CustomTLSCertificate) bool {
return c.IssuedTo == v.(string)
})
}
if v, ok := d.GetOk("domains"); ok {
filters = append(filters, func(c *fastly.CustomTLSCertificate) bool {
s := v.(*schema.Set)
for _, domain := range c.Domains {
if s.Contains(domain.ID) {
return true
}
}
return false
})
}
if v, ok := d.GetOk("issuer"); ok {
filters = append(filters, func(c *fastly.CustomTLSCertificate) bool {
return c.Issuer == v.(string)
})
}
return filters
}
func listTLSCertificates(conn *fastly.Client, filters ...TLSCertificatePredicate) ([]*fastly.CustomTLSCertificate, error) {
var certificates []*fastly.CustomTLSCertificate
pageNumber := 1
for {
list, err := conn.ListCustomTLSCertificates(&fastly.ListCustomTLSCertificatesInput{
PageNumber: pageNumber,
PageSize: 10,
})
if err != nil {
return nil, err
}
if len(list) == 0 {
break
}
pageNumber++
for _, certificate := range list {
if filterTLSCertificate(certificate, filters) {
certificates = append(certificates, certificate)
}
}
}
return certificates, nil
}
func dataSourceFastlyTLSCertificateSetAttributes(certificate *fastly.CustomTLSCertificate, d *schema.ResourceData) error {
var domains []string
for _, domain := range certificate.Domains {
domains = append(domains, domain.ID)
}
d.SetId(certificate.ID)
if err := d.Set("name", certificate.Name); err != nil {
return err
}
if err := d.Set("created_at", certificate.CreatedAt.Format(time.RFC3339)); err != nil {
return err
}
if err := d.Set("updated_at", certificate.UpdatedAt.Format(time.RFC3339)); err != nil {
return err
}
if err := d.Set("issued_to", certificate.IssuedTo); err != nil {
return err
}
if err := d.Set("issuer", certificate.Issuer); err != nil {
return err
}
if err := d.Set("replace", certificate.Replace); err != nil {
return err
}
if err := d.Set("serial_number", certificate.SerialNumber); err != nil {
return err
}
if err := d.Set("signature_algorithm", certificate.SignatureAlgorithm); err != nil {
return err
}
if err := d.Set("domains", domains); err != nil {
return err
}
return nil
}
func filterTLSCertificate(config *fastly.CustomTLSCertificate, filters []TLSCertificatePredicate) bool {
for _, f := range filters {
if !f(config) {
return false
}
}
return true
}