71 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			71 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
package specification
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import (
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	"runtime"
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	"github.com/docker/containerd"
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	"github.com/opencontainers/runtime-spec/specs-go"
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)
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var rwm = "rwm"
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func Default(config containerd.Config, mounts []containerd.Mount) *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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		Root: specs.Root{
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			Path:     "rootfs",
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			Readonly: false,
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		},
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		Process: specs.Process{
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			Args:            config.Process.Args,
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			Env:             config.Process.Env,
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			Terminal:        config.Process.TTY,
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			Cwd:             config.Process.Cwd,
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			NoNewPrivileges: true,
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		},
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		Hostname: config.Hostname,
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		Linux: &specs.Linux{
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			Resources: &specs.LinuxResources{
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				Devices: []specs.LinuxDeviceCgroup{
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					{
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						Allow:  false,
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						Access: &rwm,
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					},
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				},
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			},
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			Namespaces: []specs.LinuxNamespace{
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				{
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					Type: "pid",
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				},
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				{
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					Type: "ipc",
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				},
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				{
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					Type: "uts",
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				},
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				{
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					Type: "mount",
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				},
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				{
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					Type: "network",
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				},
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			},
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		},
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		Annotations: config.Labels,
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	}
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	// apply snapshot mounts
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	for _, m := range mounts {
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		s.Mounts = append(s.Mounts, specs.Mount{
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			Source:      m.Source,
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			Destination: "/",
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			Type:        m.Type,
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			Options:     m.Options,
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		})
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	}
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	return s
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}
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