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moby--moby/daemon/cluster/configs.go
Aaron Lehmann 7728557687 Add config APIs
Signed-off-by: Aaron Lehmann <aaron.lehmann@docker.com>
2017-05-11 10:08:21 -07:00

117 lines
3 KiB
Go

package cluster
import (
apitypes "github.com/docker/docker/api/types"
types "github.com/docker/docker/api/types/swarm"
"github.com/docker/docker/daemon/cluster/convert"
swarmapi "github.com/docker/swarmkit/api"
"golang.org/x/net/context"
)
// GetConfig returns a config from a managed swarm cluster
func (c *Cluster) GetConfig(input string) (types.Config, error) {
var config *swarmapi.Config
if err := c.lockedManagerAction(func(ctx context.Context, state nodeState) error {
s, err := getConfig(ctx, state.controlClient, input)
if err != nil {
return err
}
config = s
return nil
}); err != nil {
return types.Config{}, err
}
return convert.ConfigFromGRPC(config), nil
}
// GetConfigs returns all configs of a managed swarm cluster.
func (c *Cluster) GetConfigs(options apitypes.ConfigListOptions) ([]types.Config, error) {
c.mu.RLock()
defer c.mu.RUnlock()
state := c.currentNodeState()
if !state.IsActiveManager() {
return nil, c.errNoManager(state)
}
filters, err := newListConfigsFilters(options.Filters)
if err != nil {
return nil, err
}
ctx, cancel := c.getRequestContext()
defer cancel()
r, err := state.controlClient.ListConfigs(ctx,
&swarmapi.ListConfigsRequest{Filters: filters})
if err != nil {
return nil, err
}
configs := []types.Config{}
for _, config := range r.Configs {
configs = append(configs, convert.ConfigFromGRPC(config))
}
return configs, nil
}
// CreateConfig creates a new config in a managed swarm cluster.
func (c *Cluster) CreateConfig(s types.ConfigSpec) (string, error) {
var resp *swarmapi.CreateConfigResponse
if err := c.lockedManagerAction(func(ctx context.Context, state nodeState) error {
configSpec := convert.ConfigSpecToGRPC(s)
r, err := state.controlClient.CreateConfig(ctx,
&swarmapi.CreateConfigRequest{Spec: &configSpec})
if err != nil {
return err
}
resp = r
return nil
}); err != nil {
return "", err
}
return resp.Config.ID, nil
}
// RemoveConfig removes a config from a managed swarm cluster.
func (c *Cluster) RemoveConfig(input string) error {
return c.lockedManagerAction(func(ctx context.Context, state nodeState) error {
config, err := getConfig(ctx, state.controlClient, input)
if err != nil {
return err
}
req := &swarmapi.RemoveConfigRequest{
ConfigID: config.ID,
}
_, err = state.controlClient.RemoveConfig(ctx, req)
return err
})
}
// UpdateConfig updates a config in a managed swarm cluster.
// Note: this is not exposed to the CLI but is available from the API only
func (c *Cluster) UpdateConfig(input string, version uint64, spec types.ConfigSpec) error {
return c.lockedManagerAction(func(ctx context.Context, state nodeState) error {
config, err := getConfig(ctx, state.controlClient, input)
if err != nil {
return err
}
configSpec := convert.ConfigSpecToGRPC(spec)
_, err = state.controlClient.UpdateConfig(ctx,
&swarmapi.UpdateConfigRequest{
ConfigID: config.ID,
ConfigVersion: &swarmapi.Version{
Index: version,
},
Spec: &configSpec,
})
return err
})
}