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Merge pull request #1070 from wking/metadata
cmd/openshift-install/create: Add metadata.json to ignition-configs
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,109 @@ | ||
package cluster | ||
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import ( | ||
"encoding/json" | ||
"io/ioutil" | ||
"path/filepath" | ||
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"github.com/openshift/installer/pkg/asset" | ||
"github.com/openshift/installer/pkg/asset/cluster/aws" | ||
"github.com/openshift/installer/pkg/asset/cluster/libvirt" | ||
"github.com/openshift/installer/pkg/asset/cluster/openstack" | ||
"github.com/openshift/installer/pkg/asset/installconfig" | ||
"github.com/openshift/installer/pkg/types" | ||
"github.com/pkg/errors" | ||
) | ||
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const ( | ||
metadataFileName = "metadata.json" | ||
) | ||
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// Metadata contains information needed to destroy clusters. | ||
type Metadata struct { | ||
file *asset.File | ||
} | ||
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var _ asset.WritableAsset = (*Metadata)(nil) | ||
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// Name returns the human-friendly name of the asset. | ||
func (m *Metadata) Name() string { | ||
return "Metadata" | ||
} | ||
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// Dependencies returns the direct dependencies for the metadata | ||
// asset. | ||
func (m *Metadata) Dependencies() []asset.Asset { | ||
return []asset.Asset{ | ||
&installconfig.ClusterID{}, | ||
&installconfig.InstallConfig{}, | ||
} | ||
} | ||
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// Generate generates the metadata asset. | ||
func (m *Metadata) Generate(parents asset.Parents) (err error) { | ||
clusterID := &installconfig.ClusterID{} | ||
installConfig := &installconfig.InstallConfig{} | ||
parents.Get(clusterID, installConfig) | ||
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if installConfig.Config.Platform.None != nil { | ||
return nil | ||
} | ||
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metadata := &types.ClusterMetadata{ | ||
ClusterName: installConfig.Config.ObjectMeta.Name, | ||
ClusterID: clusterID.ClusterID, | ||
} | ||
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switch { | ||
case installConfig.Config.Platform.AWS != nil: | ||
metadata.ClusterPlatformMetadata.AWS = aws.Metadata(clusterID.ClusterID, installConfig.Config) | ||
case installConfig.Config.Platform.Libvirt != nil: | ||
metadata.ClusterPlatformMetadata.Libvirt = libvirt.Metadata(installConfig.Config) | ||
case installConfig.Config.Platform.OpenStack != nil: | ||
metadata.ClusterPlatformMetadata.OpenStack = openstack.Metadata(clusterID.ClusterID, installConfig.Config) | ||
default: | ||
return errors.Errorf("no known platform") | ||
} | ||
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data, err := json.Marshal(metadata) | ||
if err != nil { | ||
return errors.Wrap(err, "failed to Marshal ClusterMetadata") | ||
} | ||
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m.file = &asset.File{ | ||
Filename: metadataFileName, | ||
Data: data, | ||
} | ||
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return nil | ||
} | ||
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// Files returns the FileList generated by the asset. | ||
func (m *Metadata) Files() []*asset.File { | ||
if m.file != nil { | ||
return []*asset.File{m.file} | ||
} | ||
return []*asset.File{} | ||
} | ||
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// Load is a no-op, because we never want to load broken metadata from | ||
// the disk. | ||
func (m *Metadata) Load(f asset.FileFetcher) (found bool, err error) { | ||
return false, nil | ||
} | ||
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// LoadMetadata loads the cluster metadata from an asset directory. | ||
func LoadMetadata(dir string) (*types.ClusterMetadata, error) { | ||
path := filepath.Join(dir, metadataFileName) | ||
raw, err := ioutil.ReadFile(path) | ||
if err != nil { | ||
return nil, err | ||
} | ||
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var metadata *types.ClusterMetadata | ||
if err = json.Unmarshal(raw, &metadata); err != nil { | ||
return nil, errors.Wrapf(err, "failed to Unmarshal data from %q to types.ClusterMetadata", path) | ||
} | ||
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return metadata, err | ||
} |