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