5f33292496
This change just moves the assertion/failure functions from the pkg/util package to pkg/util/contract, so things read a bit nicer (i.e., `contract.Assert(x)` versus `util.Assert(x)`).
50 lines
1.5 KiB
Go
50 lines
1.5 KiB
Go
// Copyright 2016 Marapongo, Inc. All rights reserved.
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package backends
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import (
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"github.com/marapongo/mu/pkg/compiler/backends/clouds"
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"github.com/marapongo/mu/pkg/compiler/backends/clouds/aws"
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"github.com/marapongo/mu/pkg/compiler/backends/schedulers"
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"github.com/marapongo/mu/pkg/compiler/backends/schedulers/awsecs"
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"github.com/marapongo/mu/pkg/compiler/core"
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"github.com/marapongo/mu/pkg/diag"
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"github.com/marapongo/mu/pkg/util/contract"
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)
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func New(arch Arch, d diag.Sink) core.Backend {
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// Bind to the cloud provider.
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var cloud clouds.Cloud
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switch arch.Cloud {
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case clouds.AWS:
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// TODO(joe): come up with a way to get options from CLI/workspace/etc. to here.
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cloud = aws.New(d, aws.Options{})
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case clouds.None:
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contract.FailM("Expected a non-None cloud architecture")
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default:
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contract.FailMF("Cloud architecture '%v' not yet supported", clouds.Names[arch.Cloud])
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}
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contract.Assert(cloud != nil)
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contract.Assert(cloud.Arch() == arch.Cloud)
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// Set the backend to the cloud provider.
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var be core.Backend = cloud
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// Now bind to the scheduler, if any, wrapping the cloud and replacing the backend.
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var scheduler schedulers.Scheduler
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switch arch.Scheduler {
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case schedulers.None:
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// Nothing to do.
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case schedulers.AWSECS:
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scheduler = awsecs.New(d, cloud)
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default:
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contract.FailMF("Scheduler architecture '%v' not yet supported", schedulers.Names[arch.Scheduler])
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}
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if scheduler != nil {
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contract.Assert(scheduler.Arch() == arch.Scheduler)
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be = scheduler
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}
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return be
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}
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