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get rid of mtp in favor of an ingress
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70 changes: 70 additions & 0 deletions
70
pkg/resource/loki-ingress-auth-secret/ingress-auth-secret.go
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,70 @@ | ||
| package lokiingressauthsecret | ||
|
|
||
| import ( | ||
| "github.com/pkg/errors" | ||
| "golang.org/x/crypto/bcrypt" | ||
| v1 "k8s.io/api/core/v1" | ||
| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
|
|
||
| "github.com/giantswarm/logging-operator/pkg/common" | ||
| loggedcluster "github.com/giantswarm/logging-operator/pkg/logged-cluster" | ||
| loggingcredentials "github.com/giantswarm/logging-operator/pkg/resource/logging-credentials" | ||
| ) | ||
|
|
||
| const ( | ||
| //#nosec G101 | ||
| lokiIngressAuthSecretName = "loki-ingress-auth" | ||
| lokiIngressAuthSecretNamespace = "loki" | ||
| // DefaultReadOrgIDs - make sure to have at least 2 tenants, to prevent writing with this user | ||
| DefaultReadOrgIDs = "giantswarm|default" | ||
| ) | ||
|
|
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| // lokiIngressAuthSecretMetadata returns metadata for the loki ingress auth secret metadata | ||
| func lokiIngressAuthSecretMetadata() metav1.ObjectMeta { | ||
| metadata := metav1.ObjectMeta{ | ||
| Name: lokiIngressAuthSecretName, | ||
| Namespace: lokiIngressAuthSecretNamespace, | ||
| Labels: map[string]string{}, | ||
| } | ||
|
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| common.AddCommonLabels(metadata.Labels) | ||
| return metadata | ||
| } | ||
|
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| func lokiIngressAuthSecret() v1.Secret { | ||
| return v1.Secret{ | ||
| ObjectMeta: lokiIngressAuthSecretMetadata(), | ||
| } | ||
| } | ||
|
|
||
| // listWriteUsers returns a map of users found in a credentialsSecret | ||
| func listWriteUsers(credentialsSecret *v1.Secret) []string { | ||
| var usersList []string | ||
| for myUser := range credentialsSecret.Data { | ||
| // bypass read user | ||
| if myUser != common.ReadUser { | ||
| usersList = append(usersList, myUser) | ||
| } | ||
| } | ||
|
|
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| return usersList | ||
| } | ||
|
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| // generateLokiIngressAuthSecret returns a secret for the loki ingress auth | ||
| func generateLokiIngressAuthSecret(lc loggedcluster.Interface, credentialsSecret *v1.Secret) (map[string][]byte, error) { | ||
| users := make(map[string][]byte) | ||
| // Loop on write users | ||
| for _, writeUser := range listWriteUsers(credentialsSecret) { | ||
| writePassword, err := loggingcredentials.GetPassword(lc, credentialsSecret, writeUser) | ||
| if err != nil { | ||
| return nil, errors.WithStack(err) | ||
| } | ||
| password, err := bcrypt.GenerateFromPassword([]byte(writePassword), bcrypt.DefaultCost) | ||
| if err != nil { | ||
| return nil, errors.WithStack(err) | ||
| } | ||
| users[writeUser] = password | ||
| } | ||
|
|
||
| return users, nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,77 @@ | ||
| package lokiingressauthsecret | ||
|
|
||
| import ( | ||
| "context" | ||
|
|
||
| "github.com/pkg/errors" | ||
| v1 "k8s.io/api/core/v1" | ||
| "k8s.io/apimachinery/pkg/types" | ||
|
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||
| loggedcluster "github.com/giantswarm/logging-operator/pkg/logged-cluster" | ||
| loggingcredentials "github.com/giantswarm/logging-operator/pkg/resource/logging-credentials" | ||
|
|
||
| ctrl "sigs.k8s.io/controller-runtime" | ||
| "sigs.k8s.io/controller-runtime/pkg/client" | ||
| "sigs.k8s.io/controller-runtime/pkg/controller/controllerutil" | ||
| "sigs.k8s.io/controller-runtime/pkg/log" | ||
| ) | ||
|
|
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| // Reconciler implements a reconciler.Interface to handle | ||
| // loki ingress auth secret: a secret for the loki ingress that adds support for basic auth for the write path | ||
| type Reconciler struct { | ||
| client.Client | ||
| } | ||
|
|
||
| // ReconcileCreate ensures loki ingress auth map is created with the right credentials on CAPI | ||
| func (r *Reconciler) ReconcileCreate(ctx context.Context, lc loggedcluster.Interface) (ctrl.Result, error) { | ||
| // If we are not on CAPI, we don't need to create the secret as we are using the multi-tenant-proxy | ||
| if !lc.IsCAPI() { | ||
| return ctrl.Result{}, nil | ||
| } | ||
|
|
||
| return r.createOrUpdateSecret(ctx, lc) | ||
| } | ||
|
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| // ReconcileDelete - Delete the loki ingress auth secret on capi | ||
| func (r *Reconciler) ReconcileDelete(ctx context.Context, lc loggedcluster.Interface) (ctrl.Result, error) { | ||
| // If we are not on CAPI, we don't need to create the secret as we are using the multi-tenant-proxy | ||
| if !lc.IsCAPI() { | ||
| return ctrl.Result{}, nil | ||
| } | ||
|
|
||
| return r.createOrUpdateSecret(ctx, lc) | ||
| } | ||
|
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| func (r *Reconciler) createOrUpdateSecret(ctx context.Context, lc loggedcluster.Interface) (ctrl.Result, error) { | ||
| logger := log.FromContext(ctx) | ||
|
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| // Retrieve currently generated write path credentials | ||
| var objectKey = types.NamespacedName{ | ||
| Name: loggingcredentials.LoggingCredentialsSecretMeta().Name, | ||
| Namespace: loggingcredentials.LoggingCredentialsSecretMeta().Namespace, | ||
| } | ||
|
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| var writePathCredentials v1.Secret | ||
| if err := r.Client.Get(ctx, objectKey, &writePathCredentials); err != nil { | ||
| return ctrl.Result{}, errors.WithStack(err) | ||
| } | ||
|
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| secret := lokiIngressAuthSecret() | ||
| _, err := controllerutil.CreateOrUpdate(ctx, r.Client, &secret, func() error { | ||
| // Generate loki ingress auth secret | ||
| data, err := generateLokiIngressAuthSecret(lc, &writePathCredentials) | ||
| if err != nil { | ||
| logger.Error(err, "failed to generate loki ingress auth secret") | ||
| return errors.WithStack(err) | ||
| } | ||
| secret.Data = data | ||
|
|
||
| return nil | ||
| }) | ||
| if err != nil { | ||
| logger.Error(err, "failed to create loki ingress auth secret") | ||
| return ctrl.Result{}, errors.WithStack(err) | ||
| } | ||
|
|
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| return ctrl.Result{}, nil | ||
| } |
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