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dc1e614a72
Each major interface is now in its own file. Any package private functions that are only referenced by a particular module was also moved to the corresponding file. All common helper functions were moved to gce_util.go. This change is a pure movement of code; no semantic changes were made.
91 lines
3.4 KiB
Go
91 lines
3.4 KiB
Go
/*
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Copyright 2017 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package gce
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import (
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"k8s.io/kubernetes/pkg/api/v1"
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netsets "k8s.io/kubernetes/pkg/util/net/sets"
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compute "google.golang.org/api/compute/v1"
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)
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// Firewall management: These methods are just passthrough to the existing
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// internal firewall creation methods used to manage TCPLoadBalancer.
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// GetFirewall returns the Firewall by name.
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func (gce *GCECloud) GetFirewall(name string) (*compute.Firewall, error) {
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return gce.service.Firewalls.Get(gce.projectID, name).Do()
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}
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// CreateFirewall creates the given firewall rule.
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func (gce *GCECloud) CreateFirewall(name, desc string, sourceRanges netsets.IPNet, ports []int64, hostNames []string) error {
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region, err := GetGCERegion(gce.localZone)
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if err != nil {
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return err
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}
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// TODO: This completely breaks modularity in the cloudprovider but the methods
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// shared with the TCPLoadBalancer take v1.ServicePorts.
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svcPorts := []v1.ServicePort{}
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// TODO: Currently the only consumer of this method is the GCE L7
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// loadbalancer controller, which never needs a protocol other than TCP.
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// We should pipe through a mapping of port:protocol and default to TCP
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// if UDP ports are required. This means the method signature will change
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// forcing downstream clients to refactor interfaces.
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for _, p := range ports {
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svcPorts = append(svcPorts, v1.ServicePort{Port: int32(p), Protocol: v1.ProtocolTCP})
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}
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hosts, err := gce.getInstancesByNames(hostNames)
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if err != nil {
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return err
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}
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return gce.createFirewall(name, region, desc, sourceRanges, svcPorts, hosts)
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}
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// DeleteFirewall deletes the given firewall rule.
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func (gce *GCECloud) DeleteFirewall(name string) error {
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region, err := GetGCERegion(gce.localZone)
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if err != nil {
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return err
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}
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return gce.deleteFirewall(name, region)
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}
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// UpdateFirewall applies the given firewall rule as an update to an existing
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// firewall rule with the same name.
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func (gce *GCECloud) UpdateFirewall(name, desc string, sourceRanges netsets.IPNet, ports []int64, hostNames []string) error {
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region, err := GetGCERegion(gce.localZone)
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if err != nil {
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return err
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}
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// TODO: This completely breaks modularity in the cloudprovider but the methods
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// shared with the TCPLoadBalancer take v1.ServicePorts.
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svcPorts := []v1.ServicePort{}
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// TODO: Currently the only consumer of this method is the GCE L7
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// loadbalancer controller, which never needs a protocol other than TCP.
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// We should pipe through a mapping of port:protocol and default to TCP
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// if UDP ports are required. This means the method signature will change,
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// forcing downstream clients to refactor interfaces.
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for _, p := range ports {
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svcPorts = append(svcPorts, v1.ServicePort{Port: int32(p), Protocol: v1.ProtocolTCP})
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}
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hosts, err := gce.getInstancesByNames(hostNames)
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if err != nil {
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return err
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}
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return gce.updateFirewall(name, region, desc, sourceRanges, svcPorts, hosts)
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}
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