1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
|
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"`
}
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,
},
}
img.RootFS.Type = "layers"
img.Config.WorkingDir = "/"
img.Config.Env = []string{"PATH=" + system.DefaultPathEnv}
return img
}
|
