Updated
This commit is contained in:
parent
835d1ef135
commit
dc6f24bf32
104
go.mod
104
go.mod
@ -7,6 +7,108 @@ toolchain go1.22.1
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require (
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github.com/cert-manager/cert-manager v1.14.4
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github.com/miekg/dns v1.1.58
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github.com/stretchr/testify v1.8.4
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k8s.io/apiextensions-apiserver v0.29.0
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k8s.io/client-go v0.29.0
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)
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require (
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github.com/NYTimes/gziphandler v1.1.1 // indirect
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github.com/antlr/antlr4/runtime/Go/antlr/v4 v4.0.0-20230305170008-8188dc5388df // indirect
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github.com/asaskevich/govalidator v0.0.0-20230301143203-a9d515a09cc2 // indirect
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github.com/beorn7/perks v1.0.1 // indirect
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github.com/blang/semver/v4 v4.0.0 // indirect
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github.com/cenkalti/backoff/v4 v4.2.1 // indirect
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github.com/cespare/xxhash/v2 v2.2.0 // indirect
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github.com/coreos/go-semver v0.3.1 // indirect
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github.com/coreos/go-systemd/v22 v22.5.0 // indirect
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github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc // indirect
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github.com/emicklei/go-restful/v3 v3.11.0 // indirect
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github.com/evanphx/json-patch v5.7.0+incompatible // indirect
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github.com/evanphx/json-patch/v5 v5.7.0 // indirect
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github.com/felixge/httpsnoop v1.0.4 // indirect
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github.com/fsnotify/fsnotify v1.7.0 // indirect
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github.com/go-logr/logr v1.4.1 // indirect
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github.com/go-logr/stdr v1.2.2 // indirect
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github.com/go-logr/zapr v1.3.0 // indirect
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github.com/go-openapi/jsonpointer v0.20.2 // indirect
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github.com/go-openapi/jsonreference v0.20.4 // indirect
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github.com/go-openapi/swag v0.22.7 // indirect
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github.com/gogo/protobuf v1.3.2 // indirect
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github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
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github.com/golang/protobuf v1.5.3 // indirect
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github.com/google/cel-go v0.17.7 // indirect
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github.com/google/gnostic-models v0.6.8 // indirect
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github.com/google/go-cmp v0.6.0 // indirect
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github.com/google/gofuzz v1.2.0 // indirect
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github.com/google/uuid v1.5.0 // indirect
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github.com/grpc-ecosystem/go-grpc-prometheus v1.2.0 // indirect
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github.com/grpc-ecosystem/grpc-gateway/v2 v2.18.1 // indirect
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github.com/imdario/mergo v0.3.16 // indirect
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github.com/inconshreveable/mousetrap v1.1.0 // indirect
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github.com/josharian/intern v1.0.0 // indirect
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github.com/json-iterator/go v1.1.12 // indirect
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github.com/mailru/easyjson v0.7.7 // indirect
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github.com/matttproud/golang_protobuf_extensions/v2 v2.0.0 // indirect
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github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
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github.com/modern-go/reflect2 v1.0.2 // indirect
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github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
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github.com/pkg/errors v0.9.1 // indirect
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github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 // indirect
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github.com/prometheus/client_golang v1.18.0 // indirect
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github.com/prometheus/client_model v0.5.0 // indirect
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github.com/prometheus/common v0.45.0 // indirect
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github.com/prometheus/procfs v0.12.0 // indirect
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github.com/spf13/cobra v1.8.0 // indirect
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github.com/spf13/pflag v1.0.5 // indirect
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github.com/stoewer/go-strcase v1.3.0 // indirect
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go.etcd.io/etcd/api/v3 v3.5.11 // indirect
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go.etcd.io/etcd/client/pkg/v3 v3.5.11 // indirect
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go.etcd.io/etcd/client/v3 v3.5.11 // indirect
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go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.46.1 // indirect
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go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.46.1 // indirect
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go.opentelemetry.io/otel v1.21.0 // indirect
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go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.21.0 // indirect
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go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.21.0 // indirect
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go.opentelemetry.io/otel/metric v1.21.0 // indirect
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go.opentelemetry.io/otel/sdk v1.21.0 // indirect
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go.opentelemetry.io/otel/trace v1.21.0 // indirect
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go.opentelemetry.io/proto/otlp v1.0.0 // indirect
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go.uber.org/multierr v1.11.0 // indirect
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go.uber.org/zap v1.26.0 // indirect
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golang.org/x/crypto v0.18.0 // indirect
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golang.org/x/exp v0.0.0-20231226003508-02704c960a9b // indirect
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golang.org/x/mod v0.14.0 // indirect
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golang.org/x/net v0.20.0 // indirect
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golang.org/x/oauth2 v0.15.0 // indirect
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golang.org/x/sync v0.6.0 // indirect
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golang.org/x/sys v0.16.0 // indirect
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golang.org/x/term v0.16.0 // indirect
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golang.org/x/text v0.14.0 // indirect
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golang.org/x/time v0.5.0 // indirect
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golang.org/x/tools v0.17.0 // indirect
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google.golang.org/appengine v1.6.8 // indirect
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google.golang.org/genproto v0.0.0-20240102182953-50ed04b92917 // indirect
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google.golang.org/genproto/googleapis/api v0.0.0-20240102182953-50ed04b92917 // indirect
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google.golang.org/genproto/googleapis/rpc v0.0.0-20240102182953-50ed04b92917 // indirect
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google.golang.org/grpc v1.60.1 // indirect
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google.golang.org/protobuf v1.33.0 // indirect
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gopkg.in/inf.v0 v0.9.1 // indirect
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gopkg.in/natefinch/lumberjack.v2 v2.2.1 // indirect
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gopkg.in/yaml.v2 v2.4.0 // indirect
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gopkg.in/yaml.v3 v3.0.1 // indirect
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k8s.io/api v0.29.0 // indirect
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k8s.io/apimachinery v0.29.0 // indirect
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k8s.io/apiserver v0.29.0 // indirect
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k8s.io/component-base v0.29.0 // indirect
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k8s.io/klog/v2 v2.110.1 // indirect
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k8s.io/kms v0.29.0 // indirect
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k8s.io/kube-openapi v0.0.0-20240103051144-eec4567ac022 // indirect
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k8s.io/utils v0.0.0-20240102154912-e7106e64919e // indirect
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sigs.k8s.io/apiserver-network-proxy/konnectivity-client v0.29.0 // indirect
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sigs.k8s.io/controller-runtime v0.16.3 // indirect
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sigs.k8s.io/gateway-api v1.0.0 // indirect
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sigs.k8s.io/json v0.0.0-20221116044647-bc3834ca7abd // indirect
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sigs.k8s.io/structured-merge-diff/v4 v4.4.1 // indirect
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sigs.k8s.io/yaml v1.4.0 // indirect
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)
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130
main.go
130
main.go
@ -1,12 +1,17 @@
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package main
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import (
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"encoding/json"
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"fmt"
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"os"
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extapi "k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1"
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"k8s.io/client-go/rest"
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"github.com/cert-manager/cert-manager/pkg/acme/webhook/apis/acme/v1alpha1"
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"github.com/cert-manager/cert-manager/pkg/acme/webhook/cmd"
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)
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// GroupName is the name under which the webhook will be available
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var GroupName = os.Getenv("GROUP_NAME")
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func main() {
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@ -14,7 +19,128 @@ func main() {
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panic("GROUP_NAME must be specified")
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}
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// This will register our custom DNS provider with the webhook serving
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// library, making it available as an API under the provided GroupName.
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// You can register multiple DNS provider implementations with a single
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// webhook, where the Name() method will be used to disambiguate between
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// the different implementations.
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cmd.RunWebhookServer(GroupName,
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&dns.ProviderSolver{},
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&customDNSProviderSolver{},
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)
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}
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// customDNSProviderSolver implements the provider-specific logic needed to
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// 'present' an ACME challenge TXT record for your own DNS provider.
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// To do so, it must implement the `github.com/cert-manager/cert-manager/pkg/acme/webhook.Solver`
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// interface.
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type customDNSProviderSolver struct {
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// If a Kubernetes 'clientset' is needed, you must:
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// 1. uncomment the additional `client` field in this structure below
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// 2. uncomment the "k8s.io/client-go/kubernetes" import at the top of the file
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// 3. uncomment the relevant code in the Initialize method below
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// 4. ensure your webhook's service account has the required RBAC role
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// assigned to it for interacting with the Kubernetes APIs you need.
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//client kubernetes.Clientset
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}
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// customDNSProviderConfig is a structure that is used to decode into when
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// solving a DNS01 challenge.
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// This information is provided by cert-manager, and may be a reference to
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// additional configuration that's needed to solve the challenge for this
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// particular certificate or issuer.
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// This typically includes references to Secret resources containing DNS
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// provider credentials, in cases where a 'multi-tenant' DNS solver is being
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// created.
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// If you do *not* require per-issuer or per-certificate configuration to be
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// provided to your webhook, you can skip decoding altogether in favour of
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// using CLI flags or similar to provide configuration.
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// You should not include sensitive information here. If credentials need to
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// be used by your provider here, you should reference a Kubernetes Secret
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// resource and fetch these credentials using a Kubernetes clientset.
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type customDNSProviderConfig struct {
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// Change the two fields below according to the format of the configuration
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// to be decoded.
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// These fields will be set by users in the
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// `issuer.spec.acme.dns01.providers.webhook.config` field.
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//Email string `json:"email"`
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//APIKeySecretRef v1alpha1.SecretKeySelector `json:"apiKeySecretRef"`
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}
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// Name is used as the name for this DNS solver when referencing it on the ACME
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// Issuer resource.
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// This should be unique **within the group name**, i.e. you can have two
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// solvers configured with the same Name() **so long as they do not co-exist
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// within a single webhook deployment**.
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// For example, `cloudflare` may be used as the name of a solver.
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func (c *customDNSProviderSolver) Name() string {
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return "my-custom-solver"
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}
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// Present is responsible for actually presenting the DNS record with the
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// DNS provider.
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// This method should tolerate being called multiple times with the same value.
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// cert-manager itself will later perform a self check to ensure that the
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// solver has correctly configured the DNS provider.
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func (c *customDNSProviderSolver) Present(ch *v1alpha1.ChallengeRequest) error {
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cfg, err := loadConfig(ch.Config)
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if err != nil {
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return err
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}
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// TODO: do something more useful with the decoded configuration
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fmt.Printf("Decoded configuration %v", cfg)
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// TODO: add code that sets a record in the DNS provider's console
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return nil
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}
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// CleanUp should delete the relevant TXT record from the DNS provider console.
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// If multiple TXT records exist with the same record name (e.g.
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// _acme-challenge.example.com) then **only** the record with the same `key`
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// value provided on the ChallengeRequest should be cleaned up.
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// This is in order to facilitate multiple DNS validations for the same domain
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// concurrently.
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func (c *customDNSProviderSolver) CleanUp(ch *v1alpha1.ChallengeRequest) error {
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// TODO: add code that deletes a record from the DNS provider's console
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return nil
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}
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// Initialize will be called when the webhook first starts.
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// This method can be used to instantiate the webhook, i.e. initialising
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// connections or warming up caches.
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// Typically, the kubeClientConfig parameter is used to build a Kubernetes
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// client that can be used to fetch resources from the Kubernetes API, e.g.
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// Secret resources containing credentials used to authenticate with DNS
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// provider accounts.
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// The stopCh can be used to handle early termination of the webhook, in cases
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// where a SIGTERM or similar signal is sent to the webhook process.
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func (c *customDNSProviderSolver) Initialize(kubeClientConfig *rest.Config, stopCh <-chan struct{}) error {
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///// UNCOMMENT THE BELOW CODE TO MAKE A KUBERNETES CLIENTSET AVAILABLE TO
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///// YOUR CUSTOM DNS PROVIDER
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//cl, err := kubernetes.NewForConfig(kubeClientConfig)
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//if err != nil {
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// return err
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//}
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//
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//c.client = cl
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///// END OF CODE TO MAKE KUBERNETES CLIENTSET AVAILABLE
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return nil
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}
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// loadConfig is a small helper function that decodes JSON configuration into
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// the typed config struct.
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func loadConfig(cfgJSON *extapi.JSON) (customDNSProviderConfig, error) {
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cfg := customDNSProviderConfig{}
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// handle the 'base case' where no configuration has been provided
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if cfgJSON == nil {
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return cfg, nil
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}
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if err := json.Unmarshal(cfgJSON.Raw, &cfg); err != nil {
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return cfg, fmt.Errorf("error decoding solver config: %v", err)
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}
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return cfg, nil
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}
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@ -5,6 +5,7 @@ import (
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"testing"
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acmetest "github.com/cert-manager/cert-manager/test/acme"
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"github.com/stuurmcp/cert-manager-webhook-sthome/sthome"
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)
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var (
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