| package dockerfile2llb |
| |
| import ( |
| "time" |
| |
| "github.com/docker/docker/api/types/strslice" |
| "github.com/moby/buildkit/util/system" |
| specs "github.com/opencontainers/image-spec/specs-go/v1" |
| ) |
| |
| // HealthConfig holds configuration settings for the HEALTHCHECK feature. |
| type HealthConfig struct { |
| // Test is the test to perform to check that the container is healthy. |
| // An empty slice means to inherit the default. |
| // The options are: |
| // {} : inherit healthcheck |
| // {"NONE"} : disable healthcheck |
| // {"CMD", args...} : exec arguments directly |
| // {"CMD-SHELL", command} : run command with system's default shell |
| Test []string `json:",omitempty"` |
| |
| // Zero means to inherit. Durations are expressed as integer nanoseconds. |
| Interval time.Duration `json:",omitempty"` // Interval is the time to wait between checks. |
| Timeout time.Duration `json:",omitempty"` // Timeout is the time to wait before considering the check to have hung. |
| StartPeriod time.Duration `json:",omitempty"` // The start period for the container to initialize before the retries starts to count down. |
| |
| // Retries is the number of consecutive failures needed to consider a container as unhealthy. |
| // Zero means inherit. |
| Retries int `json:",omitempty"` |
| } |
| |
| // ImageConfig is a docker compatible config for an image |
| type ImageConfig struct { |
| specs.ImageConfig |
| |
| Healthcheck *HealthConfig `json:",omitempty"` // Healthcheck describes how to check the container is healthy |
| ArgsEscaped bool `json:",omitempty"` // True if command is already escaped (Windows specific) |
| |
| // NetworkDisabled bool `json:",omitempty"` // Is network disabled |
| // MacAddress string `json:",omitempty"` // Mac Address of the container |
| OnBuild []string // ONBUILD metadata that were defined on the image Dockerfile |
| StopTimeout *int `json:",omitempty"` // Timeout (in seconds) to stop a container |
| Shell strslice.StrSlice `json:",omitempty"` // Shell for shell-form of RUN, CMD, ENTRYPOINT |
| } |
| |
| // Image is the JSON structure which describes some basic information about the image. |
| // This provides the `application/vnd.oci.image.config.v1+json` mediatype when marshalled to JSON. |
| type Image struct { |
| specs.Image |
| |
| // Config defines the execution parameters which should be used as a base when running a container using the image. |
| Config ImageConfig `json:"config,omitempty"` |
| |
| // Variant defines platform variant. To be added to OCI. |
| Variant string `json:"variant,omitempty"` |
| } |
| |
| func clone(src Image) Image { |
| img := src |
| img.Config = src.Config |
| img.Config.Env = append([]string{}, src.Config.Env...) |
| img.Config.Cmd = append([]string{}, src.Config.Cmd...) |
| img.Config.Entrypoint = append([]string{}, src.Config.Entrypoint...) |
| return img |
| } |
| |
| func emptyImage(platform specs.Platform) Image { |
| img := Image{ |
| Image: specs.Image{ |
| Architecture: platform.Architecture, |
| OS: platform.OS, |
| }, |
| Variant: platform.Variant, |
| } |
| img.RootFS.Type = "layers" |
| img.Config.WorkingDir = "/" |
| img.Config.Env = []string{"PATH=" + system.DefaultPathEnv} |
| return img |
| } |