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version: Output RHEL CoreOS bootimage version #1815

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cgwalters wants to merge 1 commit into from
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version: Output RHEL CoreOS bootimage version #1815

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4 changes: 4 additions & 0 deletions cmd/openshift-install/version.go
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Original file line number Diff line number Diff line change
Expand Up @@ -7,6 +7,7 @@ import (
"github.com/spf13/cobra"

"github.com/openshift/installer/pkg/asset/ignition/bootstrap"
"github.com/openshift/installer/pkg/rhcos"
"github.com/openshift/installer/pkg/version"
)

Expand All @@ -28,5 +29,8 @@ func runVersionCmd(cmd *cobra.Command, args []string) error {
if image, err := bootstrap.DefaultReleaseImage(); err == nil {
fmt.Printf("release image %s\n", image)
}
if rhcosver, err := rhcos.FetchVersion(); err == nil {
fmt.Printf("Red Hat Enterprise Linux CoreOS bootimage %s\n", rhcosver)
}
return nil
}
12 changes: 12 additions & 0 deletions pkg/rhcos/builds.go
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Expand Up @@ -9,6 +9,8 @@ import (
"github.com/pkg/errors"
)

// metadata is a subset of the `meta.json` generated
// by https://github.com/coreos/coreos-assembler
type metadata struct {
AMIs map[string]struct {
HVM string `json:"hvm"`
Expand All @@ -23,6 +25,7 @@ type metadata struct {
OSTreeVersion string `json:"ostree-version"`
}

// fetchRHCOSBuild retrieves the pinned RHEL CoreOS metadata.
func fetchRHCOSBuild(ctx context.Context) (*metadata, error) {
file, err := data.Assets.Open("rhcos.json")
if err != nil {
Expand All @@ -42,3 +45,12 @@ func fetchRHCOSBuild(ctx context.Context) (*metadata, error) {

return meta, nil
}

// FetchVersion retrives the pinned RHCOS version.
func FetchVersion() (string, error) {
meta, err := fetchRHCOSBuild(context.TODO())
if err != nil {
return "", err
}
return meta.OSTreeVersion, nil
}