diff options
Diffstat (limited to 'vendor/github.com/coreos/stream-metadata-go/stream')
3 files changed, 139 insertions, 0 deletions
diff --git a/vendor/github.com/coreos/stream-metadata-go/stream/rhcos/rhcos.go b/vendor/github.com/coreos/stream-metadata-go/stream/rhcos/rhcos.go new file mode 100644 index 000000000..320d84b41 --- /dev/null +++ b/vendor/github.com/coreos/stream-metadata-go/stream/rhcos/rhcos.go @@ -0,0 +1,18 @@ +package rhcos + +// Extensions is data specific to Red Hat Enterprise Linux CoreOS +type Extensions struct { + AzureDisk *AzureDisk `json:"azure-disk,omitempty"` +} + +// AzureDisk represents an Azure disk image that can be imported +// into an image gallery or otherwise replicated, and then used +// as a boot source for virtual machines. +type AzureDisk struct { + // Release is the source release version + Release string `json:"release"` + // URL to an image already stored in Azure infrastructure + // that can be copied into an image gallery. Avoid creating VMs directly + // from this URL as that may lead to performance limitations. + URL string `json:"url,omitempty"` +} diff --git a/vendor/github.com/coreos/stream-metadata-go/stream/stream.go b/vendor/github.com/coreos/stream-metadata-go/stream/stream.go new file mode 100644 index 000000000..e3f100cea --- /dev/null +++ b/vendor/github.com/coreos/stream-metadata-go/stream/stream.go @@ -0,0 +1,74 @@ +// Package stream models a CoreOS "stream", which is +// a description of the recommended set of binary images for CoreOS. Use +// this API to find cloud images, bare metal disk images, etc. +package stream + +import ( + "github.com/coreos/stream-metadata-go/stream/rhcos" +) + +// Stream contains artifacts available in a stream +type Stream struct { + Stream string `json:"stream"` + Metadata Metadata `json:"metadata"` + Architectures map[string]Arch `json:"architectures"` +} + +// Metadata for a release or stream +type Metadata struct { + LastModified string `json:"last-modified"` +} + +// Arch contains release details for a particular hardware architecture +type Arch struct { + Artifacts map[string]PlatformArtifacts `json:"artifacts"` + Images Images `json:"images,omitempty"` + // RHELCoreOSExtensions is data specific to Red Hat Enterprise Linux CoreOS + RHELCoreOSExtensions *rhcos.Extensions `json:"rhel-coreos-extensions,omitempty"` +} + +// PlatformArtifacts contains images for a platform +type PlatformArtifacts struct { + Release string `json:"release"` + Formats map[string]ImageFormat `json:"formats"` +} + +// ImageFormat contains all artifacts for a single OS image +type ImageFormat struct { + Disk *Artifact `json:"disk,omitempty"` + Kernel *Artifact `json:"kernel,omitempty"` + Initramfs *Artifact `json:"initramfs,omitempty"` + Rootfs *Artifact `json:"rootfs,omitempty"` +} + +// Artifact represents one image file, plus its metadata +type Artifact struct { + Location string `json:"location"` + Signature string `json:"signature"` + Sha256 string `json:"sha256"` + UncompressedSha256 string `json:"uncompressed-sha256,omitempty"` +} + +// Images contains images available in cloud providers +type Images struct { + Aws *AwsImage `json:"aws,omitempty"` + Gcp *GcpImage `json:"gcp,omitempty"` +} + +// AwsImage represents an image across all AWS regions +type AwsImage struct { + Regions map[string]AwsRegionImage `json:"regions,omitempty"` +} + +// AwsRegionImage represents an image in one AWS region +type AwsRegionImage struct { + Release string `json:"release"` + Image string `json:"image"` +} + +// GcpImage represents a GCP cloud image +type GcpImage struct { + Project string `json:"project,omitempty"` + Family string `json:"family,omitempty"` + Name string `json:"name,omitempty"` +} diff --git a/vendor/github.com/coreos/stream-metadata-go/stream/stream_utils.go b/vendor/github.com/coreos/stream-metadata-go/stream/stream_utils.go new file mode 100644 index 000000000..ffd779c58 --- /dev/null +++ b/vendor/github.com/coreos/stream-metadata-go/stream/stream_utils.go @@ -0,0 +1,47 @@ +package stream + +import "fmt" + +// FormatPrefix describes a stream+architecture combination, intended for prepending to error messages +func (st *Stream) FormatPrefix(archname string) string { + return fmt.Sprintf("%s/%s", st.Stream, archname) +} + +// GetArchitecture loads the architecture-specific builds from a stream, +// with a useful descriptive error message if the architecture is not found. +func (st *Stream) GetArchitecture(archname string) (*Arch, error) { + archdata, ok := st.Architectures[archname] + if !ok { + return nil, fmt.Errorf("stream:%s does not have architecture '%s'", st.Stream, archname) + } + return &archdata, nil +} + +// GetAwsRegionImage returns the release data (AMI and release ID) for a particular +// architecture and region. +func (st *Stream) GetAwsRegionImage(archname, region string) (*AwsRegionImage, error) { + starch, err := st.GetArchitecture(archname) + if err != nil { + return nil, err + } + awsimages := starch.Images.Aws + if awsimages == nil { + return nil, fmt.Errorf("%s: No AWS images", st.FormatPrefix(archname)) + } + var regionVal AwsRegionImage + var ok bool + if regionVal, ok = awsimages.Regions[region]; !ok { + return nil, fmt.Errorf("%s: No AWS images in region %s", st.FormatPrefix(archname), region) + } + + return ®ionVal, nil +} + +// GetAMI returns the AWS machine image for a particular architecture and region. +func (st *Stream) GetAMI(archname, region string) (string, error) { + regionVal, err := st.GetAwsRegionImage(archname, region) + if err != nil { + return "", err + } + return regionVal.Image, nil +} |