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22 lines
644 B
Go
22 lines
644 B
Go
package daemon // import "github.com/docker/docker/daemon"
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import (
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"github.com/docker/docker/container"
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"github.com/opencontainers/runtime-spec/specs-go"
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)
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func setLinuxDomainname(c *container.Container, s *specs.Spec) {
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// There isn't a field in the OCI for the NIS domainname, but luckily there
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// is a sysctl which has an identical effect to setdomainname(2) so there's
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// no explicit need for runtime support.
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if s.Linux == nil {
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s.Linux = &specs.Linux{}
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}
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if s.Linux.Sysctl == nil {
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s.Linux.Sysctl = make(map[string]string)
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}
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if c.Config.Domainname != "" {
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s.Linux.Sysctl["kernel.domainname"] = c.Config.Domainname
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}
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}
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