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Few stack deploy network fixes
- Make sure we use the correct network name for external ones. - Make the default network overridable and only creates networks that are used by services — so that default network is only created if a service doesn't declare a network. Signed-off-by: Vincent Demeester <vincent@sbr.pm>
This commit is contained in:
parent
9c96768eae
commit
3191f5809b
3 changed files with 26 additions and 10 deletions
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@ -117,7 +117,9 @@ func deployCompose(ctx context.Context, dockerCli *command.DockerCli, opts deplo
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namespace := convert.NewNamespace(opts.namespace)
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networks, externalNetworks := convert.Networks(namespace, config.Networks)
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serviceNetworks := getServicesDeclaredNetworks(config.Services)
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networks, externalNetworks := convert.Networks(namespace, config.Networks, serviceNetworks)
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if err := validateExternalNetworks(ctx, dockerCli, externalNetworks); err != nil {
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return err
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}
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@ -131,6 +133,20 @@ func deployCompose(ctx context.Context, dockerCli *command.DockerCli, opts deplo
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return deployServices(ctx, dockerCli, services, namespace, opts.sendRegistryAuth)
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}
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func getServicesDeclaredNetworks(serviceConfigs []composetypes.ServiceConfig) map[string]struct{} {
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serviceNetworks := map[string]struct{}{}
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for _, serviceConfig := range serviceConfigs {
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if len(serviceConfig.Networks) == 0 {
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serviceNetworks["default"] = struct{}{}
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continue
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}
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for network := range serviceConfig.Networks {
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serviceNetworks[network] = struct{}{}
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}
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}
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return serviceNetworks
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}
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func propertyWarnings(properties map[string]string) string {
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var msgs []string
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for name, description := range properties {
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@ -43,20 +43,15 @@ func AddStackLabel(namespace Namespace, labels map[string]string) map[string]str
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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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func Networks(namespace Namespace, networks networkMap, servicesNetworks map[string]struct{}) (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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for internalName := range servicesNetworks {
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network := networks[internalName]
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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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@ -28,6 +28,11 @@ func TestAddStackLabel(t *testing.T) {
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func TestNetworks(t *testing.T) {
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namespace := Namespace{name: "foo"}
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serviceNetworks := map[string]struct{}{
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"normal": {},
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"outside": {},
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"default": {},
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}
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source := networkMap{
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"normal": composetypes.NetworkConfig{
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Driver: "overlay",
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@ -79,7 +84,7 @@ func TestNetworks(t *testing.T) {
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},
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}
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networks, externals := Networks(namespace, source)
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networks, externals := Networks(namespace, source, serviceNetworks)
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assert.DeepEqual(t, networks, expected)
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assert.DeepEqual(t, externals, []string{"special"})
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}
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