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837eec064d
Cgroup resources are host dependent, they should be in hostConfig.
For backward compatibility, we just copy it to hostConfig, and leave it in
Config for now, so there is no regressions, but the right way to use this
throught json is to put it in HostConfig, like:
{
"Hostname": "",
...
"HostConfig": {
"CpuShares": 512,
"Memory": 314572800,
...
}
}
As we will add CpusetMems, CpusetCpus is definitely a better name, but some
users are already using Cpuset in their http APIs, we also make it compatible.
The main idea is keep using Cpuset in Config Struct, and make it has the same
value as CpusetCpus, but not always, some scenarios:
- Users use --cpuset in docker command, it can setup cpuset.cpus and can
get Cpuset field from docker inspect or other http API which will get
config info.
- Users use --cpuset-cpus in docker command, ditto.
- Users use Cpuset field in their http APIs, ditto.
- Users use CpusetCpus field in their http APIs, they won't get Cpuset field
in Config info, because by then, they should already know what happens
to Cpuset.
Signed-off-by: Qiang Huang <h.huangqiang@huawei.com>
73 lines
2.7 KiB
Go
73 lines
2.7 KiB
Go
package runconfig
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import (
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"github.com/docker/docker/engine"
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"github.com/docker/docker/nat"
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)
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// Note: the Config structure should hold only portable information about the container.
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// Here, "portable" means "independent from the host we are running on".
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// Non-portable information *should* appear in HostConfig.
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type Config struct {
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Hostname string
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Domainname string
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User string
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Memory int64 // FIXME: we keep it for backward compatibility, it has been moved to hostConfig.
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MemorySwap int64 // FIXME: it has been moved to hostConfig.
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CpuShares int64 // FIXME: it has been moved to hostConfig.
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Cpuset string // FIXME: it has been moved to hostConfig and renamed to CpusetCpus.
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AttachStdin bool
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AttachStdout bool
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AttachStderr bool
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PortSpecs []string // Deprecated - Can be in the format of 8080/tcp
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ExposedPorts map[nat.Port]struct{}
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Tty bool // Attach standard streams to a tty, including stdin if it is not closed.
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OpenStdin bool // Open stdin
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StdinOnce bool // If true, close stdin after the 1 attached client disconnects.
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Env []string
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Cmd []string
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Image string // Name of the image as it was passed by the operator (eg. could be symbolic)
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Volumes map[string]struct{}
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WorkingDir string
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Entrypoint []string
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NetworkDisabled bool
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MacAddress string
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OnBuild []string
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}
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func ContainerConfigFromJob(job *engine.Job) *Config {
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config := &Config{
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Hostname: job.Getenv("Hostname"),
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Domainname: job.Getenv("Domainname"),
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User: job.Getenv("User"),
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Memory: job.GetenvInt64("Memory"),
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MemorySwap: job.GetenvInt64("MemorySwap"),
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CpuShares: job.GetenvInt64("CpuShares"),
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Cpuset: job.Getenv("Cpuset"),
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AttachStdin: job.GetenvBool("AttachStdin"),
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AttachStdout: job.GetenvBool("AttachStdout"),
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AttachStderr: job.GetenvBool("AttachStderr"),
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Tty: job.GetenvBool("Tty"),
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OpenStdin: job.GetenvBool("OpenStdin"),
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StdinOnce: job.GetenvBool("StdinOnce"),
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Image: job.Getenv("Image"),
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WorkingDir: job.Getenv("WorkingDir"),
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NetworkDisabled: job.GetenvBool("NetworkDisabled"),
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MacAddress: job.Getenv("MacAddress"),
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}
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job.GetenvJson("ExposedPorts", &config.ExposedPorts)
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job.GetenvJson("Volumes", &config.Volumes)
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if PortSpecs := job.GetenvList("PortSpecs"); PortSpecs != nil {
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config.PortSpecs = PortSpecs
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}
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if Env := job.GetenvList("Env"); Env != nil {
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config.Env = Env
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}
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if Cmd := job.GetenvList("Cmd"); Cmd != nil {
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config.Cmd = Cmd
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}
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if Entrypoint := job.GetenvList("Entrypoint"); Entrypoint != nil {
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config.Entrypoint = Entrypoint
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}
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return config
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}
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