196 lines
3.8 KiB
Go
196 lines
3.8 KiB
Go
package oci
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import (
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"os"
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"runtime"
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"github.com/opencontainers/specs/specs-go"
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)
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func sPtr(s string) *string { return &s }
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func rPtr(r rune) *rune { return &r }
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func iPtr(i int64) *int64 { return &i }
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func u32Ptr(i int64) *uint32 { u := uint32(i); return &u }
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func fmPtr(i int64) *os.FileMode { fm := os.FileMode(i); return &fm }
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// DefaultSpec returns default oci spec used by docker.
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func DefaultSpec() specs.Spec {
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s := specs.Spec{
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Version: specs.Version,
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Platform: specs.Platform{
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OS: runtime.GOOS,
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Arch: runtime.GOARCH,
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},
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}
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s.Mounts = []specs.Mount{
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{
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Destination: "/proc",
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Type: "proc",
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Source: "proc",
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Options: []string{"nosuid", "noexec", "nodev"},
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},
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{
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Destination: "/dev",
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Type: "tmpfs",
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Source: "tmpfs",
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Options: []string{"nosuid", "strictatime", "mode=755"},
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},
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{
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Destination: "/dev/pts",
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Type: "devpts",
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Source: "devpts",
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Options: []string{"nosuid", "noexec", "newinstance", "ptmxmode=0666", "mode=0620", "gid=5"},
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},
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{
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Destination: "/sys",
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Type: "sysfs",
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Source: "sysfs",
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Options: []string{"nosuid", "noexec", "nodev", "ro"},
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},
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{
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Destination: "/sys/fs/cgroup",
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Type: "cgroup",
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Source: "cgroup",
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Options: []string{"ro", "nosuid", "noexec", "nodev"},
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},
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{
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Destination: "/dev/mqueue",
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Type: "mqueue",
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Source: "mqueue",
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Options: []string{"nosuid", "noexec", "nodev"},
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},
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}
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s.Process.Capabilities = []string{
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"CAP_CHOWN",
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"CAP_DAC_OVERRIDE",
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"CAP_FSETID",
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"CAP_FOWNER",
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"CAP_MKNOD",
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"CAP_NET_RAW",
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"CAP_SETGID",
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"CAP_SETUID",
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"CAP_SETFCAP",
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"CAP_SETPCAP",
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"CAP_NET_BIND_SERVICE",
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"CAP_SYS_CHROOT",
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"CAP_KILL",
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"CAP_AUDIT_WRITE",
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}
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s.Linux = specs.Linux{
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Namespaces: []specs.Namespace{
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{Type: "mount"},
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{Type: "network"},
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{Type: "uts"},
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{Type: "pid"},
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{Type: "ipc"},
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},
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Devices: []specs.Device{
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{
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Type: "c",
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Path: "/dev/zero",
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Major: 1,
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Minor: 5,
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FileMode: fmPtr(0666),
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UID: u32Ptr(0),
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GID: u32Ptr(0),
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},
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{
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Type: "c",
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Path: "/dev/null",
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Major: 1,
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Minor: 3,
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FileMode: fmPtr(0666),
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UID: u32Ptr(0),
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GID: u32Ptr(0),
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},
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{
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Type: "c",
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Path: "/dev/urandom",
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Major: 1,
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Minor: 9,
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FileMode: fmPtr(0666),
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UID: u32Ptr(0),
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GID: u32Ptr(0),
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},
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{
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Type: "c",
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Path: "/dev/random",
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Major: 1,
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Minor: 8,
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FileMode: fmPtr(0666),
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UID: u32Ptr(0),
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GID: u32Ptr(0),
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},
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{
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Type: "c",
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Path: "/dev/fuse",
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Major: 10,
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Minor: 229,
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FileMode: fmPtr(0666),
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UID: u32Ptr(0),
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GID: u32Ptr(0),
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},
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},
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Resources: &specs.Resources{
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Devices: []specs.DeviceCgroup{
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{
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Allow: false,
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Access: sPtr("rwm"),
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},
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{
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Allow: true,
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Type: sPtr("c"),
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Major: iPtr(1),
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Minor: iPtr(5),
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Access: sPtr("rwm"),
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},
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{
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Allow: true,
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Type: sPtr("c"),
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Major: iPtr(1),
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Minor: iPtr(3),
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Access: sPtr("rwm"),
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},
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{
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Allow: true,
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Type: sPtr("c"),
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Major: iPtr(1),
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Minor: iPtr(9),
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Access: sPtr("rwm"),
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},
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{
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Allow: true,
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Type: sPtr("c"),
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Major: iPtr(1),
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Minor: iPtr(8),
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Access: sPtr("rwm"),
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},
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{
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Allow: true,
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Type: sPtr("c"),
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Major: iPtr(5),
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Minor: iPtr(0),
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Access: sPtr("rwm"),
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},
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{
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Allow: true,
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Type: sPtr("c"),
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Major: iPtr(5),
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Minor: iPtr(1),
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Access: sPtr("rwm"),
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},
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{
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Allow: false,
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Type: sPtr("c"),
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Major: iPtr(10),
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Minor: iPtr(229),
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Access: sPtr("rwm"),
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},
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},
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},
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}
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return s
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}
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