mirror of https://github.com/k3d-io/k3d
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/* |
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Copyright © 2019 Thorsten Klein <iwilltry42@gmail.com> |
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Permission is hereby granted, free of charge, to any person obtaining a copy |
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of this software and associated documentation files (the "Software"), to deal |
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in the Software without restriction, including without limitation the rights |
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
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copies of the Software, and to permit persons to whom the Software is |
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furnished to do so, subject to the following conditions: |
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The above copyright notice and this permission notice shall be included in |
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all copies or substantial portions of the Software. |
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
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THE SOFTWARE. |
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*/ |
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package cluster |
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import ( |
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"fmt" |
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"net" |
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"strconv" |
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"strings" |
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k3d "github.com/rancher/k3d/pkg/types" |
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log "github.com/sirupsen/logrus" |
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) |
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// ParseAPIPort parses/validates a string to create an exposeAPI struct from it
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func ParseAPIPort(portString string) (k3d.ExposeAPI, error) { |
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var exposeAPI k3d.ExposeAPI |
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split := strings.Split(portString, ":") |
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if len(split) > 2 { |
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log.Errorln("Failed to parse API Port specification") |
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return exposeAPI, fmt.Errorf("api-port format error") |
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} |
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if len(split) == 1 { |
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exposeAPI = k3d.ExposeAPI{Port: split[0]} |
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} else { |
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// Make sure 'host' can be resolved to an IP address
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addrs, err := net.LookupHost(split[0]) |
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if err != nil { |
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return exposeAPI, err |
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} |
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exposeAPI = k3d.ExposeAPI{Host: split[0], HostIP: addrs[0], Port: split[1]} |
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} |
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// Verify 'port' is an integer and within port ranges
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p, err := strconv.Atoi(exposeAPI.Port) |
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if err != nil { |
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return exposeAPI, err |
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} |
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if p < 0 || p > 65535 { |
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log.Errorln("Failed to parse API Port specification") |
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return exposeAPI, fmt.Errorf("port value '%d' out of range", p) |
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} |
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return exposeAPI, nil |
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} |
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