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In order to handle special configuration for different drivers we make the Config field a map to string array. This lets us use it for lxc, by using the "lxc" key for those, and we can later extend it easily for other backend-specific options. Docker-DCO-1.1-Signed-off-by: Alexander Larsson <alexl@redhat.com> (github: alexlarsson)
64 lines
1.6 KiB
Go
64 lines
1.6 KiB
Go
package runtime
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import (
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"fmt"
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"github.com/dotcloud/docker/nat"
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"github.com/dotcloud/docker/pkg/namesgenerator"
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"github.com/dotcloud/docker/runconfig"
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"strings"
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)
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func migratePortMappings(config *runconfig.Config, hostConfig *runconfig.HostConfig) error {
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if config.PortSpecs != nil {
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ports, bindings, err := nat.ParsePortSpecs(config.PortSpecs)
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if err != nil {
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return err
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}
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config.PortSpecs = nil
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if len(bindings) > 0 {
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if hostConfig == nil {
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hostConfig = &runconfig.HostConfig{}
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}
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hostConfig.PortBindings = bindings
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}
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if config.ExposedPorts == nil {
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config.ExposedPorts = make(nat.PortSet, len(ports))
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}
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for k, v := range ports {
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config.ExposedPorts[k] = v
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}
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}
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return nil
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}
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func mergeLxcConfIntoOptions(hostConfig *runconfig.HostConfig, driverConfig map[string][]string) {
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if hostConfig == nil {
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return
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}
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// merge in the lxc conf options into the generic config map
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if lxcConf := hostConfig.LxcConf; lxcConf != nil {
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lxc := driverConfig["lxc"]
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for _, pair := range lxcConf {
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// because lxc conf gets the driver name lxc.XXXX we need to trim it off
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// and let the lxc driver add it back later if needed
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parts := strings.SplitN(pair.Key, ".", 2)
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lxc = append(lxc, fmt.Sprintf("%s=%s", parts[1], pair.Value))
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}
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driverConfig["lxc"] = lxc
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}
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}
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type checker struct {
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runtime *Runtime
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}
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func (c *checker) Exists(name string) bool {
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return c.runtime.containerGraph.Exists("/" + name)
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}
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// Generate a random and unique name
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func generateRandomName(runtime *Runtime) (string, error) {
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return namesgenerator.GenerateRandomName(&checker{runtime})
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}
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