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providers/applehv: Add Apple Hypervisor
* Add applehv platform * Ignintion read from vsock connection with the host See coreos/fedora-coreos-tracker#1533 and coreos/fedora-coreos-tracker#1548 Signed-off-by: Brent Baude <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,90 @@ | ||
| package applehv | ||
|
|
||
| // Copyright 2023 Red Hat | ||
| // | ||
| // 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. | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
| "io" | ||
| "net" | ||
| "net/http" | ||
| "os/exec" | ||
|
|
||
|
|
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| "github.com/coreos/ignition/v2/internal/distro" | ||
| "github.com/coreos/ignition/v2/config/v3_5_experimental/types" | ||
| "github.com/coreos/ignition/v2/internal/platform" | ||
| "github.com/coreos/ignition/v2/internal/providers/util" | ||
| "github.com/coreos/ignition/v2/internal/resource" | ||
| "github.com/coreos/vcontext/report" | ||
| "github.com/mdlayher/vsock" | ||
| ) | ||
|
|
||
| func init() { | ||
| platform.Register(platform.Provider{ | ||
| Name: "applehv", | ||
| Fetch: fetchConfig, | ||
| }) | ||
| } | ||
|
|
||
| func fetchConfig(f *resource.Fetcher) (types.Config, report.Report, error) { | ||
| _, err := f.Logger.LogCmd(exec.Command(distro.ModprobeCmd(), "vsock"), "Loading vsock kernel module") | ||
| if err != nil { | ||
| f.Logger.Err("Failed to install vsocker kernel module: %v", err) | ||
| errors := fmt.Errorf("Failed to install vsock kernel module: %v", err) | ||
| return types.Config{}, report.Report{}, errors | ||
| } | ||
| conn, err := vsock.Dial(2, 1024, &vsock.Config{}) | ||
| if err != nil { | ||
| return types.Config{}, report.Report{}, err | ||
| } | ||
| defer func() { | ||
| if err := conn.Close(); err != nil { | ||
| f.Logger.Err("unable to close vsock connection: %v", err) | ||
| } | ||
| }() | ||
|
|
||
| req, err := http.NewRequest(http.MethodGet, "http://d/", nil) | ||
| if err != nil { | ||
| return types.Config{}, report.Report{}, err | ||
| } | ||
| req.Header.Set("Accept", "application/json") | ||
|
|
||
| client := http.Client{ | ||
| Transport: &http.Transport{ | ||
| DialContext: func(ctx context.Context, _, _ string) (net.Conn, error) { | ||
| return conn, nil | ||
| }, | ||
| }, | ||
| } | ||
|
|
||
| resp, err := client.Do(req) | ||
| if err != nil { | ||
| return types.Config{}, report.Report{}, err | ||
| } | ||
|
|
||
| defer func() { | ||
| if err := resp.Body.Close(); err != nil { | ||
| f.Logger.Err("unable to close response body: %v", err) | ||
| } | ||
| }() | ||
|
|
||
| b, err := io.ReadAll(resp.Body) | ||
| if err != nil { | ||
| return types.Config{}, report.Report{}, err | ||
| } | ||
|
|
||
| return util.ParseConfig(f.Logger, b) | ||
| } |
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