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ba5fcf13fc
Create a generic helper function that finds extra containerd runtimes. The code was originally inside of the nvidia container discovery file. Signed-off-by: Flavio Castelli <fcastelli@suse.com> Discover the containerd shims based on runwasi that are already available on the node. The runtimes could have been installed either by a package manager or by the kwasm operator. Signed-off-by: Flavio Castelli <fcastelli@suse.com> The containerd configuration on a Linux system now handles the nvidia and the WebAssembly runtimes. Signed-off-by: Flavio Castelli <fcastelli@suse.com> --------- Signed-off-by: Flavio Castelli <fcastelli@suse.com>
61 lines
1.9 KiB
Go
61 lines
1.9 KiB
Go
//go:build linux
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// +build linux
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package containerd
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import (
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"io/fs"
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)
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// findWasiRuntimes returns a list of WebAssembly (WASI) container runtimes that
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// are available on the system. It checks install locations used by the kwasm
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// operator and by system package managers. The kwasm operator installation
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// takes precedence over the system package manager installation.
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// The given fs.FS should represent the filesystem root directory to search in.
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func findWasiRuntimes(root fs.FS,
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foundRuntimes runtimeConfigs,
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) {
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// Check these locations in order. The GPU operator's installation should
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// take precedence over the package manager's installation.
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locationsToCheck := []string{
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"opt/kwasm/bin", // Path when installing via kwasm Operator
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"usr/bin", // Path when installing via package manager
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"usr/sbin", // Path when installing via package manager
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}
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// Fill in the binary location with just the name of the binary,
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// and check against each of the possible locations. If a match is found,
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// set the location to the full path.
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potentialRuntimes := runtimeConfigs{
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"lunatic": {
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RuntimeType: "io.containerd.lunatic.v2",
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BinaryName: "containerd-shim-lunatic-v1",
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},
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"slight": {
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RuntimeType: "io.containerd.slight.v2",
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BinaryName: "containerd-shim-slight-v1",
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},
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"spin": {
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RuntimeType: "io.containerd.spin.v2",
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BinaryName: "containerd-shim-spin-v1",
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},
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"wws": {
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RuntimeType: "io.containerd.wws.v2",
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BinaryName: "containerd-shim-wws-v1",
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},
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"wasmedge": {
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RuntimeType: "io.containerd.wasmedge.v2",
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BinaryName: "containerd-shim-wasmedge-v1",
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},
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"wasmer": {
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RuntimeType: "io.containerd.wasmer.v2",
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BinaryName: "containerd-shim-wasmer-v1",
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},
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"wasmtime": {
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RuntimeType: "io.containerd.wasmtime.v2",
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BinaryName: "containerd-shim-wasmtime-v1",
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},
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}
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findContainerRuntimes(root, potentialRuntimes, locationsToCheck, foundRuntimes)
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}
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