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Merge pull request #417 from crawford/vmware
datasource/vmware: allow building on arm systems
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,101 @@ | ||
| // Copyright 2015 CoreOS, Inc. | ||
| // | ||
| // 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 vmware | ||
|
|
||
| import ( | ||
| "io/ioutil" | ||
| "log" | ||
| "os" | ||
|
|
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| "github.com/coreos/coreos-cloudinit/pkg" | ||
|
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| "github.com/coreos/coreos-cloudinit/Godeps/_workspace/src/github.com/sigma/vmw-guestinfo/rpcvmx" | ||
| "github.com/coreos/coreos-cloudinit/Godeps/_workspace/src/github.com/sigma/vmw-guestinfo/vmcheck" | ||
| "github.com/coreos/coreos-cloudinit/Godeps/_workspace/src/github.com/sigma/vmw-ovflib" | ||
| ) | ||
|
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| type ovfWrapper struct { | ||
| env *ovf.OvfEnvironment | ||
| } | ||
|
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| func (ovf ovfWrapper) readConfig(key string) (string, error) { | ||
| return ovf.env.Properties["guestinfo."+key], nil | ||
| } | ||
|
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| func NewDatasource(fileName string) *vmware { | ||
| // read from provided ovf environment document (typically /media/ovfenv/ovf-env.xml) | ||
| if fileName != "" { | ||
| log.Printf("Using OVF environment from %s\n", fileName) | ||
| ovfEnv, err := ioutil.ReadFile(fileName) | ||
| if err != nil { | ||
| ovfEnv = make([]byte, 0) | ||
| } | ||
| return &vmware{ | ||
| ovfFileName: fileName, | ||
| readConfig: getOvfReadConfig(ovfEnv), | ||
| urlDownload: urlDownload, | ||
| } | ||
| } | ||
|
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| // try to read ovf environment from VMware tools | ||
| data, err := readConfig("ovfenv") | ||
| if err == nil && data != "" { | ||
| log.Printf("Using OVF environment from guestinfo\n") | ||
| return &vmware{ | ||
| readConfig: getOvfReadConfig([]byte(data)), | ||
| urlDownload: urlDownload, | ||
| } | ||
| } | ||
|
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| // if everything fails, fallback to directly reading variables from the backdoor | ||
| log.Printf("Using guestinfo variables\n") | ||
| return &vmware{ | ||
| readConfig: readConfig, | ||
| urlDownload: urlDownload, | ||
| } | ||
| } | ||
|
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| func (v vmware) IsAvailable() bool { | ||
| if v.ovfFileName != "" { | ||
| _, err := os.Stat(v.ovfFileName) | ||
| return !os.IsNotExist(err) | ||
| } | ||
| return vmcheck.IsVirtualWorld() | ||
| } | ||
|
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| func readConfig(key string) (string, error) { | ||
| data, err := rpcvmx.NewConfig().String(key, "") | ||
| if err == nil { | ||
| log.Printf("Read from %q: %q\n", key, data) | ||
| } else { | ||
| log.Printf("Failed to read from %q: %v\n", key, err) | ||
| } | ||
| return data, err | ||
| } | ||
|
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| func getOvfReadConfig (ovfEnv []byte) readConfigFunction { | ||
| env := &ovf.OvfEnvironment{} | ||
| if len(ovfEnv) != 0 { | ||
| env = ovf.ReadEnvironment(ovfEnv) | ||
| } | ||
|
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| wrapper := ovfWrapper{env} | ||
| return wrapper.readConfig | ||
| } | ||
|
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| func urlDownload(url string) ([]byte, error) { | ||
| client := pkg.NewHttpClient() | ||
| return client.GetRetry(url) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,25 @@ | ||
| // Copyright 2015 CoreOS, Inc. | ||
| // | ||
| // 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. | ||
|
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| // +build !amd64 | ||
|
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| package vmware | ||
|
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| func NewDatasource(fileName string) *vmware { | ||
| return &vmware{} | ||
| } | ||
|
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| func (v vmware) IsAvailable() bool { | ||
| return false | ||
| } |