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CLOUDP-328217: Automation agent password secret #566
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,19 +1,29 @@ | ||
| package om | ||
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| import ( | ||
| "context" | ||
| "encoding/json" | ||
| "fmt" | ||
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| "github.com/google/go-cmp/cmp" | ||
| "github.com/spf13/cast" | ||
| "k8s.io/apimachinery/pkg/api/equality" | ||
| "k8s.io/apimachinery/pkg/types" | ||
| "sigs.k8s.io/controller-runtime/pkg/client" | ||
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| "github.com/mongodb/mongodb-kubernetes/controllers/operator/ldap" | ||
| "github.com/mongodb/mongodb-kubernetes/controllers/operator/oidc" | ||
| "github.com/mongodb/mongodb-kubernetes/mongodb-community-operator/pkg/kube/secret" | ||
| "github.com/mongodb/mongodb-kubernetes/pkg/util" | ||
| "github.com/mongodb/mongodb-kubernetes/pkg/util/generate" | ||
| "github.com/mongodb/mongodb-kubernetes/pkg/util/maputil" | ||
| ) | ||
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| // The constants for the authentication secret | ||
| const ( | ||
| autoPwdSecretKey = "automation-agent-password" | ||
| ) | ||
|
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Contributor
There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. This could be moved to our |
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| // AutomationConfig maintains the raw map in the Deployment field | ||
| // and constructs structs to make use of go's type safety | ||
| // Dev notes: actually, this object is just a wrapper for the `Deployment` object which is received from Ops Manager, | ||
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@@ -426,19 +436,72 @@ func (ac *AutomationConfig) EnsureKeyFileContents() error { | |
| return nil | ||
| } | ||
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| // AuthSecretName for a given mdbName (`mdbName`) returns the name of | ||
| // the secret associated with it. | ||
| func AuthSecretName(mdbName string) string { | ||
| return fmt.Sprintf("%s-agent-auth-secret", mdbName) | ||
| } | ||
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| // EnsurePassword makes sure that there is an Automation Agent password | ||
| // that the agents will use to communicate with the deployments. The password | ||
| // is returned, so it can be provided to the other agents | ||
| func (ac *AutomationConfig) EnsurePassword() (string, error) { | ||
| if ac.Auth.AutoPwd == "" || ac.Auth.AutoPwd == util.InvalidAutomationAgentPassword { | ||
| automationAgentBackupPassword, err := generate.KeyFileContents() | ||
| // EnsurePassword makes sure that there is an Automation Agent password | ||
| // that the agents will use to communicate with the deployments. The password | ||
| // is returned, so it can be provided to the other agents. | ||
| func (ac *AutomationConfig) EnsurePassword(ctx context.Context, k8sClient secret.GetUpdateCreator, mdbNamespacedName types.NamespacedName) (string, error) { | ||
| secretName := AuthSecretName(mdbNamespacedName.Name) | ||
| secretNamespacedName := client.ObjectKey{Name: secretName, Namespace: mdbNamespacedName.Namespace} | ||
| var password string | ||
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| data, err := secret.ReadStringData(ctx, k8sClient, secretNamespacedName) | ||
| if err == nil { | ||
| if val, ok := data[autoPwdSecretKey]; ok && len(val) > 0 { | ||
| password = val | ||
| } | ||
| } else if secret.SecretNotExist(err) { | ||
| if ac.Auth.AutoPwd != "" && ac.Auth.AutoPwd != util.InvalidAutomationAgentPassword { | ||
| password = ac.Auth.AutoPwd | ||
| } | ||
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| err := EnsureEmptySecret(ctx, k8sClient, secretNamespacedName) | ||
|
Contributor
There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. Why create an empty secret then update it? It can be done in one go when the password variable is set |
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| if err != nil { | ||
| return "", err | ||
| } | ||
| ac.Auth.AutoPwd = automationAgentBackupPassword | ||
| return automationAgentBackupPassword, nil | ||
| } | ||
| return ac.Auth.AutoPwd, nil | ||
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| if password == "" { | ||
| generatedPassword, genErr := generate.KeyFileContents() | ||
| if genErr != nil { | ||
| return "", genErr | ||
| } | ||
| password = generatedPassword | ||
| } | ||
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| ac.Auth.AutoPwd = password | ||
| err = secret.UpdateField(ctx, k8sClient, secretNamespacedName, autoPwdSecretKey, password) | ||
| if err != nil { | ||
| return "", fmt.Errorf("failed to update password field in shared secret %s/%s: %w", secretNamespacedName.Namespace, secretNamespacedName.Name, err) | ||
| } | ||
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| return password, nil | ||
| } | ||
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| func EnsureEmptySecret(ctx context.Context, k8sClient secret.GetUpdateCreator, secretNamespacedName types.NamespacedName) error { | ||
| dataFields := map[string]string{ | ||
| autoPwdSecretKey: "", | ||
| } | ||
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| emptySecret := secret.Builder(). | ||
| SetName(secretNamespacedName.Name). | ||
| SetNamespace(secretNamespacedName.Namespace). | ||
| SetStringMapToData(dataFields). | ||
| Build() | ||
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| if err := secret.CreateOrUpdateIfNeeded(ctx, k8sClient, emptySecret); err != nil { | ||
| return fmt.Errorf("failed to create or update empty secret %s/%s: %w", secretNamespacedName.Namespace, secretNamespacedName.Name, err) | ||
| } | ||
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| return nil | ||
| } | ||
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| func (ac *AutomationConfig) CanEnableX509ProjectAuthentication() (bool, string) { | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,13 +1,17 @@ | ||
| package authentication | ||
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| import ( | ||
| "context" | ||
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| "go.uber.org/zap" | ||
| "golang.org/x/xerrors" | ||
| "k8s.io/apimachinery/pkg/types" | ||
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| mdbv1 "github.com/mongodb/mongodb-kubernetes/api/v1/mdb" | ||
| "github.com/mongodb/mongodb-kubernetes/controllers/om" | ||
| "github.com/mongodb/mongodb-kubernetes/controllers/operator/ldap" | ||
| "github.com/mongodb/mongodb-kubernetes/controllers/operator/oidc" | ||
| kubernetesClient "github.com/mongodb/mongodb-kubernetes/mongodb-community-operator/pkg/kube/client" | ||
| "github.com/mongodb/mongodb-kubernetes/pkg/util" | ||
| ) | ||
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@@ -82,7 +86,7 @@ type UserOptions struct { | |
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| // Configure will configure all the specified authentication Mechanisms. We need to ensure we wait for | ||
| // the agents to reach ready state after each operation as prematurely updating the automation config can cause the agents to get stuck. | ||
| func Configure(conn om.Connection, opts Options, isRecovering bool, log *zap.SugaredLogger) error { | ||
| func Configure(ctx context.Context, client kubernetesClient.Client, mdbNamespacedName types.NamespacedName, conn om.Connection, opts Options, isRecovering bool, log *zap.SugaredLogger) error { | ||
|
Contributor
There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. nit: the |
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| log.Infow("ensuring correct deployment mechanisms", "ProcessNames", opts.ProcessNames, "Mechanisms", opts.Mechanisms) | ||
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| // In case we're recovering, we can push all changes at once, because the mechanism is triggered after 20min by default. | ||
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@@ -113,7 +117,7 @@ func Configure(conn om.Connection, opts Options, isRecovering bool, log *zap.Sug | |
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| // once we have made sure that the deployment authentication mechanism array contains the desired auth mechanism | ||
| // we can then configure the agent authentication. | ||
| if err := enableAgentAuthentication(conn, opts, log); err != nil { | ||
| if err := enableAgentAuthentication(ctx, client, mdbNamespacedName, conn, opts, log); err != nil { | ||
| return xerrors.Errorf("error enabling agent authentication: %w", err) | ||
| } | ||
| if err := waitForReadyStateIfNeeded(); err != nil { | ||
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@@ -151,7 +155,7 @@ func Configure(conn om.Connection, opts Options, isRecovering bool, log *zap.Sug | |
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| // Disable disables all authentication mechanisms, and waits for the agents to reach goal state. It is still required to provide | ||
| // automation agent username, password and keyfile contents to ensure a valid Automation Config. | ||
| func Disable(conn om.Connection, opts Options, deleteUsers bool, log *zap.SugaredLogger) error { | ||
| func Disable(ctx context.Context, client kubernetesClient.Client, mdbNamespacedName types.NamespacedName, conn om.Connection, opts Options, deleteUsers bool, log *zap.SugaredLogger) error { | ||
| ac, err := conn.ReadAutomationConfig() | ||
| if err != nil { | ||
| return xerrors.Errorf("error reading automation config: %w", err) | ||
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@@ -181,7 +185,7 @@ func Disable(conn om.Connection, opts Options, deleteUsers bool, log *zap.Sugare | |
| if err := ac.EnsureKeyFileContents(); err != nil { | ||
| return xerrors.Errorf("error ensuring keyfile contents: %w", err) | ||
| } | ||
| if _, err := ac.EnsurePassword(); err != nil { | ||
| if _, err := ac.EnsurePassword(ctx, client, mdbNamespacedName); err != nil { | ||
| return xerrors.Errorf("error ensuring agent password: %w", err) | ||
| } | ||
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@@ -258,7 +262,7 @@ func removeUnsupportedAgentMechanisms(conn om.Connection, opts Options, log *zap | |
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| // enableAgentAuthentication determines which agent authentication mechanism should be configured | ||
| // and enables it in Ops Manager | ||
| func enableAgentAuthentication(conn om.Connection, opts Options, log *zap.SugaredLogger) error { | ||
| func enableAgentAuthentication(ctx context.Context, client kubernetesClient.Client, mdbNamespacedName types.NamespacedName, conn om.Connection, opts Options, log *zap.SugaredLogger) error { | ||
| ac, err := conn.ReadAutomationConfig() | ||
| if err != nil { | ||
| return xerrors.Errorf("error reading automation config: %w", err) | ||
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@@ -267,7 +271,7 @@ func enableAgentAuthentication(conn om.Connection, opts Options, log *zap.Sugare | |
| // we then configure the agent authentication for that type | ||
| mechanism := convertToMechanismOrPanic(opts.AgentMechanism, ac) | ||
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| if err := ensureAgentAuthenticationIsConfigured(conn, opts, ac, mechanism, log); err != nil { | ||
| if err := ensureAgentAuthenticationIsConfigured(ctx, client, mdbNamespacedName, conn, opts, ac, mechanism, log); err != nil { | ||
| return xerrors.Errorf("error ensuring agent authentication is configured: %w", err) | ||
| } | ||
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@@ -365,14 +369,14 @@ func addOrRemoveAgentClientCertificate(conn om.Connection, opts Options, log *za | |
| } | ||
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| // ensureAgentAuthenticationIsConfigured will configure the agent authentication settings based on the desiredAgentAuthMechanism | ||
| func ensureAgentAuthenticationIsConfigured(conn om.Connection, opts Options, ac *om.AutomationConfig, mechanism Mechanism, log *zap.SugaredLogger) error { | ||
| func ensureAgentAuthenticationIsConfigured(ctx context.Context, client kubernetesClient.Client, mdbNamespacedName types.NamespacedName, conn om.Connection, opts Options, ac *om.AutomationConfig, mechanism Mechanism, log *zap.SugaredLogger) error { | ||
| if mechanism.IsAgentAuthenticationConfigured(ac, opts) { | ||
| log.Infof("Agent authentication mechanism %s is already configured", mechanism.GetName()) | ||
| return nil | ||
| } | ||
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| log.Infof("Enabling %s agent authentication", mechanism.GetName()) | ||
| return mechanism.EnableAgentAuthentication(conn, opts, log) | ||
| return mechanism.EnableAgentAuthentication(ctx, client, mdbNamespacedName, conn, opts, log) | ||
| } | ||
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| // ensureDeploymentMechanisms configures the given AutomationConfig to allow deployments to | ||
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Choose a reason for hiding this comment
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Since these don't use the password secret, better to disable them. For now, they only test whether project migrations work, but we don't fully support that yet.