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discoverer.go
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discoverer.go
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// Copyright © 2023 Cisco Systems, Inc. and its affiliates.
// All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package discoverer
import (
"context"
"github.com/docker/docker/client"
apitypes "github.com/openclarity/vmclarity/api/types"
"github.com/openclarity/vmclarity/provider"
)
var _ provider.Discoverer = &Discoverer{}
type Discoverer struct {
DockerClient *client.Client
}
func (d *Discoverer) DiscoverAssets(ctx context.Context) provider.AssetDiscoverer {
assetDiscoverer := provider.NewSimpleAssetDiscoverer()
go func() {
defer close(assetDiscoverer.OutputChan)
// Get image assets
imageAssets, err := d.getImageAssets(ctx)
if err != nil {
assetDiscoverer.Error = provider.FatalErrorf("failed to get images. Provider=%s: %w", apitypes.Docker, err)
return
}
// Get container assets
containerAssets, err := d.getContainerAssets(ctx)
if err != nil {
assetDiscoverer.Error = provider.FatalErrorf("failed to get containers. Provider=%s: %w", apitypes.Docker, err)
return
}
// Combine assets
assets := append(imageAssets, containerAssets...)
for _, asset := range assets {
select {
case assetDiscoverer.OutputChan <- asset:
case <-ctx.Done():
assetDiscoverer.Error = ctx.Err()
return
}
}
}()
return assetDiscoverer
}
func convertTags(tags map[string]string) *[]apitypes.Tag {
ret := make([]apitypes.Tag, 0, len(tags))
for key, val := range tags {
ret = append(ret, apitypes.Tag{
Key: key,
Value: val,
})
}
return &ret
}