diff options
Diffstat (limited to 'vendor/k8s.io/apimachinery/pkg/util/net/port_split.go')
-rw-r--r-- | vendor/k8s.io/apimachinery/pkg/util/net/port_split.go | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/vendor/k8s.io/apimachinery/pkg/util/net/port_split.go b/vendor/k8s.io/apimachinery/pkg/util/net/port_split.go new file mode 100644 index 000000000..c0fd4e20f --- /dev/null +++ b/vendor/k8s.io/apimachinery/pkg/util/net/port_split.go @@ -0,0 +1,77 @@ +/* +Copyright 2015 The Kubernetes 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 net + +import ( + "strings" + + "k8s.io/apimachinery/pkg/util/sets" +) + +var validSchemes = sets.NewString("http", "https", "") + +// SplitSchemeNamePort takes a string of the following forms: +// * "<name>", returns "", "<name>","", true +// * "<name>:<port>", returns "", "<name>","<port>",true +// * "<scheme>:<name>:<port>", returns "<scheme>","<name>","<port>",true +// +// Name must be non-empty or valid will be returned false. +// Scheme must be "http" or "https" if specified +// Port is returned as a string, and it is not required to be numeric (could be +// used for a named port, for example). +func SplitSchemeNamePort(id string) (scheme, name, port string, valid bool) { + parts := strings.Split(id, ":") + switch len(parts) { + case 1: + name = parts[0] + case 2: + name = parts[0] + port = parts[1] + case 3: + scheme = parts[0] + name = parts[1] + port = parts[2] + default: + return "", "", "", false + } + + if len(name) > 0 && validSchemes.Has(scheme) { + return scheme, name, port, true + } else { + return "", "", "", false + } +} + +// JoinSchemeNamePort returns a string that specifies the scheme, name, and port: +// * "<name>" +// * "<name>:<port>" +// * "<scheme>:<name>:<port>" +// None of the parameters may contain a ':' character +// Name is required +// Scheme must be "", "http", or "https" +func JoinSchemeNamePort(scheme, name, port string) string { + if len(scheme) > 0 { + // Must include three segments to specify scheme + return scheme + ":" + name + ":" + port + } + if len(port) > 0 { + // Must include two segments to specify port + return name + ":" + port + } + // Return name alone + return name +} |