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plugin/route53: various updates (#3108)

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In the setup function use plugin.Error() to wrap the errors with the
plugin name. Because there isn't a separate setup() function this is
done for all returned errors.

Remove *upstream.Upstream from the New parameters as this is always set
and adjust the tests to account for this.

Signed-off-by: Miek Gieben <miek@miek.nl>
This commit is contained in:
Miek Gieben
2019-08-13 15:02:29 +00:00
committed by Yong Tang
parent ca57dd3568
commit ebc465d0dc
3 changed files with 19 additions and 23 deletions
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12
plugin/route53/route53.go
View File

@@ -46,11 +46,11 @@ type zone struct {
type zones map[string][]*zone
// New reads from the keys map which uses domain names as its key and hosted
// zone id lists as its values, validates that each domain name/zone id pair does
// exist, and returns a new *Route53. In addition to this, upstream is passed
// for doing recursive queries against CNAMEs.
// Returns error if it cannot verify any given domain name/zone id pair.
func New(ctx context.Context, c route53iface.Route53API, keys map[string][]string, up *upstream.Upstream, refresh time.Duration) (*Route53, error) {
// zone id lists as its values, validates that each domain name/zone id pair
// does exist, and returns a new *Route53. In addition to this, upstream is use
// for doing recursive queries against CNAMEs. Returns error if it cannot
// verify any given domain name/zone id pair.
func New(ctx context.Context, c route53iface.Route53API, keys map[string][]string, refresh time.Duration) (*Route53, error) {
zones := make(map[string][]*zone, len(keys))
zoneNames := make([]string, 0, len(keys))
for dns, hostedZoneIDs := range keys {
@@ -72,7 +72,7 @@ func New(ctx context.Context, c route53iface.Route53API, keys map[string][]strin
client: c,
zoneNames: zoneNames,
zones: zones,
upstream: up,
upstream: upstream.New(),
refresh: refresh,
}, nil
}

5
plugin/route53/route53_test.go
View File

@@ -9,7 +9,6 @@ import (
"github.com/coredns/coredns/plugin/pkg/dnstest"
"github.com/coredns/coredns/plugin/pkg/fall"
"github.com/coredns/coredns/plugin/pkg/upstream"
"github.com/coredns/coredns/plugin/test"
crequest "github.com/coredns/coredns/request"
@@ -80,7 +79,7 @@ func (fakeRoute53) ListResourceRecordSetsPagesWithContext(_ aws.Context, in *rou
func TestRoute53(t *testing.T) {
ctx := context.Background()
r, err := New(ctx, fakeRoute53{}, map[string][]string{"bad.": {"0987654321"}}, &upstream.Upstream{}, time.Duration(1) * time.Minute)
r, err := New(ctx, fakeRoute53{}, map[string][]string{"bad.": {"0987654321"}}, time.Duration(1)*time.Minute)
if err != nil {
t.Fatalf("Failed to create Route53: %v", err)
}
@@ -88,7 +87,7 @@ func TestRoute53(t *testing.T) {
t.Fatalf("Expected errors for zone bad.")
}
r, err = New(ctx, fakeRoute53{}, map[string][]string{"org.": {"1357986420", "1234567890"}, "gov.": {"Z098765432", "1234567890"}}, &upstream.Upstream{}, time.Duration(90) * time.Second)
r, err = New(ctx, fakeRoute53{}, map[string][]string{"org.": {"1357986420", "1234567890"}, "gov.": {"Z098765432", "1234567890"}}, time.Duration(90)*time.Second)
if err != nil {
t.Fatalf("Failed to create Route53: %v", err)
}

25
plugin/route53/setup.go
View File

@@ -11,7 +11,6 @@ import (
"github.com/coredns/coredns/plugin"
"github.com/coredns/coredns/plugin/pkg/fall"
clog "github.com/coredns/coredns/plugin/pkg/log"
"github.com/coredns/coredns/plugin/pkg/upstream"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/aws/credentials"
@@ -54,8 +53,6 @@ func setup(c *caddy.Controller, f func(*credentials.Credentials) route53iface.Ro
var providers []credentials.Provider
var fall fall.F
up := upstream.New()
refresh := time.Duration(1) * time.Minute // default update frequency to 1 minute
args := c.RemainingArgs()
@@ -63,14 +60,14 @@ func setup(c *caddy.Controller, f func(*credentials.Credentials) route53iface.Ro
for i := 0; i < len(args); i++ {
parts := strings.SplitN(args[i], ":", 2)
if len(parts) != 2 {
return c.Errf("invalid zone '%s'", args[i])
return plugin.Error("route53", c.Errf("invalid zone '%s'", args[i]))
}
dns, hostedZoneID := parts[0], parts[1]
if dns == "" || hostedZoneID == "" {
return c.Errf("invalid zone '%s'", args[i])
return plugin.Error("route53", c.Errf("invalid zone '%s'", args[i]))
}
if _, ok := keyPairs[args[i]]; ok {
return c.Errf("conflict zone '%s'", args[i])
return plugin.Error("route53", c.Errf("conflict zone '%s'", args[i]))
}
keyPairs[args[i]] = struct{}{}
@@ -82,7 +79,7 @@ func setup(c *caddy.Controller, f func(*credentials.Credentials) route53iface.Ro
case "aws_access_key":
v := c.RemainingArgs()
if len(v) < 2 {
return c.Errf("invalid access key '%v'", v)
return plugin.Error("route53", c.Errf("invalid access key '%v'", v))
}
providers = append(providers, &credentials.StaticProvider{
Value: credentials.Value{
@@ -112,16 +109,16 @@ func setup(c *caddy.Controller, f func(*credentials.Credentials) route53iface.Ro
}
refresh, err = time.ParseDuration(refreshStr)
if err != nil {
return c.Errf("Unable to parse duration: '%v'", err)
return plugin.Error("route53", c.Errf("Unable to parse duration: '%v'", err))
}
if refresh <= 0 {
return c.Errf("refresh interval must be greater than 0: %s", refreshStr)
return plugin.Error("route53", c.Errf("refresh interval must be greater than 0: %s", refreshStr))
}
} else {
return c.ArgErr()
return plugin.Error("route53", c.ArgErr())
}
default:
return c.Errf("unknown property '%s'", c.Val())
return plugin.Error("route53", c.Errf("unknown property '%s'", c.Val()))
}
}
providers = append(providers, &credentials.EnvProvider{}, sharedProvider, &ec2rolecreds.EC2RoleProvider{
@@ -129,13 +126,13 @@ func setup(c *caddy.Controller, f func(*credentials.Credentials) route53iface.Ro
})
client := f(credentials.NewChainCredentials(providers))
ctx := context.Background()
h, err := New(ctx, client, keys, up, refresh)
h, err := New(ctx, client, keys, refresh)
if err != nil {
return c.Errf("failed to create Route53 plugin: %v", err)
return plugin.Error("route53", c.Errf("failed to create Route53 plugin: %v", err))
}
h.Fall = fall
if err := h.Run(ctx); err != nil {
return c.Errf("failed to initialize Route53 plugin: %v", err)
return plugin.Error("route53", c.Errf("failed to initialize Route53 plugin: %v", err))
}
dnsserver.GetConfig(c).AddPlugin(func(next plugin.Handler) plugin.Handler {
h.Next = next