compose/aci/convert/ports.go

95 lines
3.0 KiB
Go

/*
Copyright 2020 Docker Compose CLI authors
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package convert
import (
"fmt"
"strings"
"github.com/Azure/azure-sdk-for-go/services/containerinstance/mgmt/2019-12-01/containerinstance"
"github.com/Azure/go-autorest/autorest/to"
"github.com/pkg/errors"
"github.com/docker/compose-cli/api/containers"
)
func convertPortsToAci(service serviceConfigAciHelper) ([]containerinstance.ContainerPort, []containerinstance.Port, *string, error) {
var groupPorts []containerinstance.Port
var containerPorts []containerinstance.ContainerPort
for _, portConfig := range service.Ports {
if portConfig.Published != 0 && portConfig.Published != portConfig.Target {
msg := fmt.Sprintf("Port mapping is not supported with ACI, cannot map port %d to %d for container %s",
portConfig.Published, portConfig.Target, service.Name)
return nil, nil, nil, errors.New(msg)
}
portNumber := int32(portConfig.Target)
var groupProtocol containerinstance.ContainerGroupNetworkProtocol
var containerProtocol containerinstance.ContainerNetworkProtocol
switch portConfig.Protocol {
case "tcp", "":
groupProtocol = containerinstance.TCP
containerProtocol = containerinstance.ContainerNetworkProtocolTCP
case "udp":
groupProtocol = containerinstance.UDP
containerProtocol = containerinstance.ContainerNetworkProtocolUDP
default:
return nil, nil, nil, fmt.Errorf("unknown protocol %q in exposed port for service %q", portConfig.Protocol, service.Name)
}
containerPorts = append(containerPorts, containerinstance.ContainerPort{
Port: to.Int32Ptr(portNumber),
Protocol: containerProtocol,
})
groupPorts = append(groupPorts, containerinstance.Port{
Port: to.Int32Ptr(portNumber),
Protocol: groupProtocol,
})
}
var dnsLabelName *string
if service.DomainName != "" {
dnsLabelName = &service.DomainName
}
return containerPorts, groupPorts, dnsLabelName, nil
}
// ToPorts converts Azure container ports to api ports
func ToPorts(ipAddr *containerinstance.IPAddress, ports []containerinstance.ContainerPort) []containers.Port {
var result []containers.Port
for _, port := range ports {
if port.Port == nil {
continue
}
protocol := "tcp"
if port.Protocol != "" {
protocol = string(port.Protocol)
}
ip := ""
if ipAddr != nil && ipAddr.IP != nil {
ip = *ipAddr.IP
}
result = append(result, containers.Port{
HostPort: uint32(*port.Port),
ContainerPort: uint32(*port.Port),
HostIP: ip,
Protocol: strings.ToLower(protocol),
})
}
return result
}