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