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remap.go
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remap.go
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package calcium
import (
"context"
"github.com/projecteru2/core/log"
"github.com/projecteru2/core/types"
"github.com/projecteru2/core/utils"
)
type remapMsg struct {
ID string
err error
}
// RemapResourceAndLog called on changes of resource binding, such as cpu binding
// as an internal api, remap doesn't lock node, the responsibility of that should be taken on by caller
func (c *Calcium) RemapResourceAndLog(ctx context.Context, logger *log.Fields, node *types.Node) {
ctx, cancel := context.WithTimeout(utils.NewInheritCtx(ctx), c.config.GlobalTimeout)
defer cancel()
err := c.withNodeOperationLocked(ctx, node.Name, func(ctx context.Context, node *types.Node) error {
if ch, err := c.doRemapResource(ctx, node); err == nil {
for msg := range ch {
logger.Infof(ctx, "remap workload ID %+v", msg.ID)
if msg.err != nil {
logger.Error(ctx, msg.err)
}
}
}
return nil
})
if err != nil {
logger.Error(ctx, err, "remap node failed")
}
}
func (c *Calcium) doRemapResource(ctx context.Context, node *types.Node) (ch chan *remapMsg, err error) {
workloads, err := c.store.ListNodeWorkloads(ctx, node.Name, nil)
if err != nil {
return
}
engineParamsMap, err := c.rmgr.Remap(ctx, node.Name, workloads)
if err != nil {
return nil, err
}
ch = make(chan *remapMsg, len(engineParamsMap))
_ = c.pool.Invoke(func() {
defer close(ch)
for workloadID, engineParams := range engineParamsMap {
ch <- &remapMsg{
ID: workloadID,
err: node.Engine.VirtualizationUpdateResource(ctx, workloadID, engineParams),
}
}
})
return ch, nil
}