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88 lines
2.3 KiB
Go
88 lines
2.3 KiB
Go
package convert
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import (
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composetypes "github.com/aanand/compose-file/types"
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"github.com/docker/docker/api/types"
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networktypes "github.com/docker/docker/api/types/network"
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)
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const (
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// LabelNamespace is the label used to track stack resources
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LabelNamespace = "com.docker.stack.namespace"
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)
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// Namespace mangles names by prepending the name
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type Namespace struct {
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name string
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}
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// Scope prepends the namespace to a name
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func (n Namespace) Scope(name string) string {
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return n.name + "_" + name
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}
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// Name returns the name of the namespace
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func (n Namespace) Name() string {
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return n.name
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}
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// NewNamespace returns a new Namespace for scoping of names
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func NewNamespace(name string) Namespace {
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return Namespace{name: name}
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}
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// AddStackLabel returns labels with the namespace label added
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func AddStackLabel(namespace Namespace, labels map[string]string) map[string]string {
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if labels == nil {
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labels = make(map[string]string)
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}
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labels[LabelNamespace] = namespace.name
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return labels
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}
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type networkMap map[string]composetypes.NetworkConfig
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// Networks from the compose-file type to the engine API type
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func Networks(namespace Namespace, networks networkMap) (map[string]types.NetworkCreate, []string) {
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if networks == nil {
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networks = make(map[string]composetypes.NetworkConfig)
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}
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// TODO: only add default network if it's used
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if _, ok := networks["default"]; !ok {
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networks["default"] = composetypes.NetworkConfig{}
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}
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externalNetworks := []string{}
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result := make(map[string]types.NetworkCreate)
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for internalName, network := range networks {
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if network.External.External {
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externalNetworks = append(externalNetworks, network.External.Name)
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continue
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}
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createOpts := types.NetworkCreate{
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Labels: AddStackLabel(namespace, network.Labels),
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Driver: network.Driver,
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Options: network.DriverOpts,
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}
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if network.Ipam.Driver != "" || len(network.Ipam.Config) > 0 {
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createOpts.IPAM = &networktypes.IPAM{}
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}
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if network.Ipam.Driver != "" {
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createOpts.IPAM.Driver = network.Ipam.Driver
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}
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for _, ipamConfig := range network.Ipam.Config {
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config := networktypes.IPAMConfig{
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Subnet: ipamConfig.Subnet,
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}
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createOpts.IPAM.Config = append(createOpts.IPAM.Config, config)
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}
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result[internalName] = createOpts
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}
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return result, externalNetworks
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}
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