mirror of
https://github.com/optim-enterprises-bv/vault.git
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77 lines
2.6 KiB
Go
77 lines
2.6 KiB
Go
package command
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import (
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"context"
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"fmt"
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"github.com/hashicorp/vault/command/server"
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"github.com/hashicorp/vault/vault"
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vaultseal "github.com/hashicorp/vault/vault/seal"
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"github.com/pkg/errors"
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)
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var (
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onEnterprise = false
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)
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func adjustCoreForSealMigration(ctx context.Context, core *vault.Core, coreConfig *vault.CoreConfig, seal vault.Seal, config *server.Config) error {
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existBarrierSealConfig, existRecoverySealConfig, err := core.PhysicalSealConfigs(context.Background())
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if err != nil {
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return fmt.Errorf("Error checking for existing seal: %s", err)
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}
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var existSeal vault.Seal
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var newSeal vault.Seal
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if existBarrierSealConfig != nil &&
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(existBarrierSealConfig.Type != seal.BarrierType() ||
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config.Seal != nil && config.Seal.Disabled) {
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// If the existing seal is not Shamir, we're going to Shamir, which
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// means we require them setting "disabled" to true in their
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// configuration as a sanity check.
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if (config.Seal == nil || !config.Seal.Disabled) && existBarrierSealConfig.Type != vaultseal.Shamir {
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return errors.New(`Seal migration requires specifying "disabled" as "true" in the "seal" block of Vault's configuration file"`)
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}
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// Conversely, if they are going from Shamir to auto, we want to
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// ensure disabled is *not* set
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if existBarrierSealConfig.Type == vaultseal.Shamir && config.Seal != nil && config.Seal.Disabled {
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coreConfig.Logger.Warn(`when not migrating, Vault's config should not specify "disabled" as "true" in the "seal" block of Vault's configuration file`)
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return nil
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}
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if existBarrierSealConfig.Type != vaultseal.Shamir && existRecoverySealConfig == nil {
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return errors.New(`Recovery seal configuration not found for existing seal`)
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}
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switch existBarrierSealConfig.Type {
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case vaultseal.Shamir:
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// The value reflected in config is what we're going to
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existSeal = vault.NewDefaultSeal()
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existSeal.SetCore(core)
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newSeal = seal
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newBarrierSealConfig := &vault.SealConfig{
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Type: newSeal.BarrierType(),
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SecretShares: 1,
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SecretThreshold: 1,
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StoredShares: 1,
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}
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newSeal.SetCachedBarrierConfig(newBarrierSealConfig)
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newSeal.SetCachedRecoveryConfig(existBarrierSealConfig)
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default:
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if onEnterprise {
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return errors.New("Migrating from autoseal to Shamir seal is not supported on Vault Enterprise")
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}
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// The disabled value reflected in config is what we're going from
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existSeal = coreConfig.Seal
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newSeal = vault.NewDefaultSeal()
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newSeal.SetCore(core)
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newSeal.SetCachedBarrierConfig(existRecoverySealConfig)
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}
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core.SetSealsForMigration(existSeal, newSeal)
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}
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return nil
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}
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