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main.go
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main.go
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// SPDX-License-Identifier: Apache-2.0
// Copyright 2023 Cloudbase Solutions SRL
//
// 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 main
import (
"context"
"fmt"
"log"
"os"
"os/signal"
"syscall"
"github.com/cloudbase/garm-provider-common/execution"
"github.com/cloudbase/garm-provider-incus/provider"
)
var signals = []os.Signal{
os.Interrupt,
syscall.SIGTERM,
}
var (
// Version is the version of the application
Version = "v0.0.0-unknown"
)
func main() {
// This is an unofficial command. It will be added into future versions of the
// external provider interface. For now we manually hardcode it here. This is not
// used by GARM itself. It is informative for the user to be able to check the version
// of the provider.
garmCommand := os.Getenv("GARM_COMMAND")
if garmCommand == "GetVersion" {
fmt.Println(Version)
os.Exit(0)
}
ctx, stop := signal.NotifyContext(context.Background(), signals...)
defer stop()
executionEnv, err := execution.GetEnvironment()
if err != nil {
log.Fatal(err)
}
prov, err := provider.NewIncusProvider(executionEnv.ProviderConfigFile, executionEnv.ControllerID)
if err != nil {
log.Fatal(err)
}
result, err := execution.Run(ctx, prov, executionEnv)
if err != nil {
fmt.Fprintf(os.Stderr, "failed to run command: %s", err)
os.Exit(execution.ResolveErrorToExitCode(err))
}
if len(result) > 0 {
fmt.Fprint(os.Stdout, result)
}
}