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Trim the Domain Name from cached image references

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This commit removes the Domain Name, if any, from the cached image
reference before computing the image fingerprint. This way the same
image, if stored in some oter mirror, is still seen as the same one.

Fixes #158
This commit is contained in:
David Cassany
2021-01-29 10:50:32 +01:00
parent 9f73a334b3
commit 18e9ce4557
59 changed files with 425 additions and 7802 deletions
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163
vendor/github.com/moby/buildkit/util/entitlements/security/security_linux.go generated vendored
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@@ -1,163 +0,0 @@
package security
import (
"context"
"fmt"
"os"
"github.com/containerd/containerd/containers"
"github.com/containerd/containerd/oci"
"github.com/opencontainers/runc/libcontainer/system"
specs "github.com/opencontainers/runtime-spec/specs-go"
"github.com/pkg/errors"
"github.com/sirupsen/logrus"
"golang.org/x/sys/unix"
)
// WithInsecureSpec sets spec with All capability.
func WithInsecureSpec() oci.SpecOpts {
return func(_ context.Context, _ oci.Client, _ *containers.Container, s *specs.Spec) error {
addCaps := []string{
"CAP_FSETID",
"CAP_KILL",
"CAP_FOWNER",
"CAP_MKNOD",
"CAP_CHOWN",
"CAP_DAC_OVERRIDE",
"CAP_NET_RAW",
"CAP_SETGID",
"CAP_SETUID",
"CAP_SETPCAP",
"CAP_SETFCAP",
"CAP_NET_BIND_SERVICE",
"CAP_SYS_CHROOT",
"CAP_AUDIT_WRITE",
"CAP_MAC_ADMIN",
"CAP_MAC_OVERRIDE",
"CAP_DAC_READ_SEARCH",
"CAP_SYS_PTRACE",
"CAP_SYS_MODULE",
"CAP_SYSLOG",
"CAP_SYS_RAWIO",
"CAP_SYS_ADMIN",
"CAP_LINUX_IMMUTABLE",
"CAP_SYS_BOOT",
"CAP_SYS_NICE",
"CAP_SYS_PACCT",
"CAP_SYS_TTY_CONFIG",
"CAP_SYS_TIME",
"CAP_WAKE_ALARM",
"CAP_AUDIT_READ",
"CAP_AUDIT_CONTROL",
"CAP_SYS_RESOURCE",
"CAP_BLOCK_SUSPEND",
"CAP_IPC_LOCK",
"CAP_IPC_OWNER",
"CAP_LEASE",
"CAP_NET_ADMIN",
"CAP_NET_BROADCAST",
}
for _, cap := range addCaps {
s.Process.Capabilities.Bounding = append(s.Process.Capabilities.Bounding, cap)
s.Process.Capabilities.Ambient = append(s.Process.Capabilities.Ambient, cap)
s.Process.Capabilities.Effective = append(s.Process.Capabilities.Effective, cap)
s.Process.Capabilities.Inheritable = append(s.Process.Capabilities.Inheritable, cap)
s.Process.Capabilities.Permitted = append(s.Process.Capabilities.Permitted, cap)
}
s.Linux.ReadonlyPaths = []string{}
s.Linux.MaskedPaths = []string{}
s.Process.ApparmorProfile = ""
s.Linux.Resources.Devices = []specs.LinuxDeviceCgroup{
{
Allow: true,
Type: "c",
Access: "rwm",
},
{
Allow: true,
Type: "b",
Access: "rwm",
},
}
if !system.RunningInUserNS() {
// Devices automatically mounted on insecure mode
s.Linux.Devices = append(s.Linux.Devices, []specs.LinuxDevice{
// Writes to this come out as printk's, reads export the buffered printk records. (dmesg)
{
Path: "/dev/kmsg",
Type: "c",
Major: 1,
Minor: 11,
},
// Cuse (character device in user-space)
{
Path: "/dev/cuse",
Type: "c",
Major: 10,
Minor: 203,
},
// Fuse (virtual filesystem in user-space)
{
Path: "/dev/fuse",
Type: "c",
Major: 10,
Minor: 229,
},
// Kernel-based virtual machine (hardware virtualization extensions)
{
Path: "/dev/kvm",
Type: "c",
Major: 10,
Minor: 232,
},
// TAP/TUN network device
{
Path: "/dev/net/tun",
Type: "c",
Major: 10,
Minor: 200,
},
// Loopback control device
{
Path: "/dev/loop-control",
Type: "c",
Major: 10,
Minor: 237,
},
}...)
loopID, err := getFreeLoopID()
if err != nil {
logrus.Debugf("failed to get next free loop device: %v", err)
}
for i := 0; i <= loopID+7; i++ {
s.Linux.Devices = append(s.Linux.Devices, specs.LinuxDevice{
Path: fmt.Sprintf("/dev/loop%d", i),
Type: "b",
Major: 7,
Minor: int64(i),
})
}
}
return nil
}
}
func getFreeLoopID() (int, error) {
fd, err := os.OpenFile("/dev/loop-control", os.O_RDWR, 0644)
if err != nil {
return 0, err
}
defer fd.Close()
const _LOOP_CTL_GET_FREE = 0x4C82
r1, _, uerr := unix.Syscall(unix.SYS_IOCTL, fd.Fd(), _LOOP_CTL_GET_FREE, 0)
if uerr == 0 {
return int(r1), nil
}
return 0, errors.Errorf("error getting free loop device: %v", uerr)
}

28
vendor/github.com/moby/buildkit/util/network/host.go generated vendored
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@@ -1,28 +0,0 @@
package network
import (
"github.com/containerd/containerd/oci"
specs "github.com/opencontainers/runtime-spec/specs-go"
)
func NewHostProvider() Provider {
return &host{}
}
type host struct {
}
func (h *host) New() (Namespace, error) {
return &hostNS{}, nil
}
type hostNS struct {
}
func (h *hostNS) Set(s *specs.Spec) {
oci.WithHostNamespace(specs.NetworkNamespace)(nil, nil, nil, s)
}
func (h *hostNS) Close() error {
return nil
}

19
vendor/github.com/moby/buildkit/util/network/network.go generated vendored
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@@ -1,19 +0,0 @@
package network
import (
"io"
specs "github.com/opencontainers/runtime-spec/specs-go"
)
// Provider interface for Network
type Provider interface {
New() (Namespace, error)
}
// Namespace of network for workers
type Namespace interface {
io.Closer
// Set the namespace on the spec
Set(*specs.Spec)
}

26
vendor/github.com/moby/buildkit/util/network/none.go generated vendored
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@@ -1,26 +0,0 @@
package network
import (
specs "github.com/opencontainers/runtime-spec/specs-go"
)
func NewNoneProvider() Provider {
return &none{}
}
type none struct {
}
func (h *none) New() (Namespace, error) {
return &noneNS{}, nil
}
type noneNS struct {
}
func (h *noneNS) Set(s *specs.Spec) {
}
func (h *noneNS) Close() error {
return nil
}