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send.go
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send.go
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package calcium
import (
"bytes"
"context"
"sync"
"github.com/projecteru2/core/engine"
"github.com/projecteru2/core/log"
"github.com/projecteru2/core/types"
)
// Send files to workload
func (c *Calcium) Send(ctx context.Context, opts *types.SendOptions) (chan *types.SendMessage, error) {
logger := log.WithFunc("calcium.Send").WithField("opts", opts)
if err := opts.Validate(); err != nil {
logger.Error(ctx, err)
return nil, err
}
ch := make(chan *types.SendMessage)
_ = c.pool.Invoke(func() {
defer close(ch)
wg := &sync.WaitGroup{}
wg.Add(len(opts.IDs))
for _, ID := range opts.IDs {
logger.Infof(ctx, "Send files to %s", ID)
_ = c.pool.Invoke(func(ID string) func() {
return func() {
defer wg.Done()
if err := c.withWorkloadLocked(ctx, ID, false, func(ctx context.Context, workload *types.Workload) error {
for _, file := range opts.Files {
err := c.doSendFileToWorkload(ctx, workload.Engine, workload.ID, file)
logger.Error(ctx, err)
ch <- &types.SendMessage{ID: ID, Path: file.Filename, Error: err}
}
return nil
}); err != nil {
logger.Error(ctx, err)
ch <- &types.SendMessage{ID: ID, Error: err}
}
}
}(ID))
}
wg.Wait()
})
return ch, nil
}
func (c *Calcium) doSendFileToWorkload(ctx context.Context, engine engine.API, ID string, file types.LinuxFile) error {
log.WithFunc("calcium.doSendFileToWorkload").Infof(ctx, "Send file to %s:%s", ID, file.Filename)
return engine.VirtualizationCopyChunkTo(ctx, ID, file.Filename, int64(len(file.Content)), bytes.NewReader(file.Clone().Content), file.UID, file.GID, file.Mode)
}