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Merge pull request #34235 from aaronlehmann/recursive-rlock

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cluster: Avoid recursive RLock
This commit is contained in:
Victor Vieux 2017-07-24 15:50:22 -07:00 • committed by GitHub
commit 92b3dcb601
1 changed files with 36 additions and 43 deletions
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23
daemon/cluster/tasks.go
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@ -11,19 +11,14 @@ import (
// GetTasks returns a list of tasks matching the filter options.
func (c *Cluster) GetTasks(options apitypes.TaskListOptions) ([]types.Task, error) {
c.mu.RLock()
defer c.mu.RUnlock()
state := c.currentNodeState()
if !state.IsActiveManager() {
return nil, c.errNoManager(state)
}
var r *swarmapi.ListTasksResponse
if err := c.lockedManagerAction(func(ctx context.Context, state nodeState) error {
filterTransform := func(filter filters.Args) error {
if filter.Include("service") {
serviceFilters := filter.Get("service")
for _, serviceFilter := range serviceFilters {
service, err := c.GetService(serviceFilter, false)
service, err := getService(ctx, state.controlClient, serviceFilter, false)
if err != nil {
return err
}
@ -34,7 +29,7 @@ func (c *Cluster) GetTasks(options apitypes.TaskListOptions) ([]types.Task, erro
if filter.Include("node") {
nodeFilters := filter.Get("node")
for _, nodeFilter := range nodeFilters {
node, err := c.GetNode(nodeFilter)
node, err := getNode(ctx, state.controlClient, nodeFilter)
if err != nil {
return err
}
@ -52,16 +47,14 @@ func (c *Cluster) GetTasks(options apitypes.TaskListOptions) ([]types.Task, erro
filters, err := newListTasksFilters(options.Filters, filterTransform)
if err != nil {
return nil, err
return err
}
ctx, cancel := c.getRequestContext()
defer cancel()
r, err := state.controlClient.ListTasks(
r, err = state.controlClient.ListTasks(
ctx,
&swarmapi.ListTasksRequest{Filters: filters})
if err != nil {
return err
}); err != nil {
return nil, err
}