github.com/docker/docker@v299999999.0.0-20200612211812-aaf470eca7b5+incompatible/daemon/cluster/secrets.go (about)

     1  package cluster // import "github.com/docker/docker/daemon/cluster"
     2  
     3  import (
     4  	"context"
     5  
     6  	apitypes "github.com/docker/docker/api/types"
     7  	types "github.com/docker/docker/api/types/swarm"
     8  	"github.com/docker/docker/daemon/cluster/convert"
     9  	swarmapi "github.com/docker/swarmkit/api"
    10  	"google.golang.org/grpc"
    11  )
    12  
    13  // GetSecret returns a secret from a managed swarm cluster
    14  func (c *Cluster) GetSecret(input string) (types.Secret, error) {
    15  	var secret *swarmapi.Secret
    16  
    17  	if err := c.lockedManagerAction(func(ctx context.Context, state nodeState) error {
    18  		s, err := getSecret(ctx, state.controlClient, input)
    19  		if err != nil {
    20  			return err
    21  		}
    22  		secret = s
    23  		return nil
    24  	}); err != nil {
    25  		return types.Secret{}, err
    26  	}
    27  	return convert.SecretFromGRPC(secret), nil
    28  }
    29  
    30  // GetSecrets returns all secrets of a managed swarm cluster.
    31  func (c *Cluster) GetSecrets(options apitypes.SecretListOptions) ([]types.Secret, error) {
    32  	c.mu.RLock()
    33  	defer c.mu.RUnlock()
    34  
    35  	state := c.currentNodeState()
    36  	if !state.IsActiveManager() {
    37  		return nil, c.errNoManager(state)
    38  	}
    39  
    40  	filters, err := newListSecretsFilters(options.Filters)
    41  	if err != nil {
    42  		return nil, err
    43  	}
    44  	ctx, cancel := c.getRequestContext()
    45  	defer cancel()
    46  
    47  	r, err := state.controlClient.ListSecrets(ctx,
    48  		&swarmapi.ListSecretsRequest{Filters: filters},
    49  		grpc.MaxCallRecvMsgSize(defaultRecvSizeForListResponse),
    50  	)
    51  	if err != nil {
    52  		return nil, err
    53  	}
    54  
    55  	secrets := make([]types.Secret, 0, len(r.Secrets))
    56  
    57  	for _, secret := range r.Secrets {
    58  		secrets = append(secrets, convert.SecretFromGRPC(secret))
    59  	}
    60  
    61  	return secrets, nil
    62  }
    63  
    64  // CreateSecret creates a new secret in a managed swarm cluster.
    65  func (c *Cluster) CreateSecret(s types.SecretSpec) (string, error) {
    66  	var resp *swarmapi.CreateSecretResponse
    67  	if err := c.lockedManagerAction(func(ctx context.Context, state nodeState) error {
    68  		secretSpec := convert.SecretSpecToGRPC(s)
    69  
    70  		r, err := state.controlClient.CreateSecret(ctx,
    71  			&swarmapi.CreateSecretRequest{Spec: &secretSpec})
    72  		if err != nil {
    73  			return err
    74  		}
    75  		resp = r
    76  		return nil
    77  	}); err != nil {
    78  		return "", err
    79  	}
    80  	return resp.Secret.ID, nil
    81  }
    82  
    83  // RemoveSecret removes a secret from a managed swarm cluster.
    84  func (c *Cluster) RemoveSecret(input string) error {
    85  	return c.lockedManagerAction(func(ctx context.Context, state nodeState) error {
    86  		secret, err := getSecret(ctx, state.controlClient, input)
    87  		if err != nil {
    88  			return err
    89  		}
    90  
    91  		req := &swarmapi.RemoveSecretRequest{
    92  			SecretID: secret.ID,
    93  		}
    94  
    95  		_, err = state.controlClient.RemoveSecret(ctx, req)
    96  		return err
    97  	})
    98  }
    99  
   100  // UpdateSecret updates a secret in a managed swarm cluster.
   101  // Note: this is not exposed to the CLI but is available from the API only
   102  func (c *Cluster) UpdateSecret(input string, version uint64, spec types.SecretSpec) error {
   103  	return c.lockedManagerAction(func(ctx context.Context, state nodeState) error {
   104  		secret, err := getSecret(ctx, state.controlClient, input)
   105  		if err != nil {
   106  			return err
   107  		}
   108  
   109  		secretSpec := convert.SecretSpecToGRPC(spec)
   110  
   111  		_, err = state.controlClient.UpdateSecret(ctx,
   112  			&swarmapi.UpdateSecretRequest{
   113  				SecretID: secret.ID,
   114  				SecretVersion: &swarmapi.Version{
   115  					Index: version,
   116  				},
   117  				Spec: &secretSpec,
   118  			})
   119  		return err
   120  	})
   121  }