kola: Remove 'qemu-unpriv' and make 'qemu' the default

There is no longer a privileged 'qemu' platform and the 'qemu' and
'qemu-unpriv' platforms are the same.

Author: travier

mantle/cmd/kola/kola.go

@@ -582,7 +582,7 @@ func syncFindParentImageOptions() error {
 	// Here we handle the --fetch-parent-image --> platform-specific options
 	// based on its cosa build metadata
 	switch kolaPlatform {
-	case "qemu-unpriv":
+	case "qemu":
 		if qemuImageDir == "" {
 			if qemuImageDir, err = os.MkdirTemp("/var/tmp", "kola-run-upgrade"); err != nil {
 				return err

mantle/cmd/kola/options.go

@@ -39,7 +39,7 @@ var (
 	kolaPlatform      string
 	kolaParallelArg   string
 	kolaArchitectures = []string{"amd64"}
-	kolaPlatforms     = []string{"aws", "azure", "do", "esx", "gce", "openstack", "packet", "qemu", "qemu-unpriv", "qemu-iso"}
+	kolaPlatforms     = []string{"aws", "azure", "do", "esx", "gce", "openstack", "packet", "qemu", "qemu-iso"}
 	kolaDistros       = []string{"fcos", "rhcos", "scos"}
 )
 
@@ -172,21 +172,21 @@ func syncOptionsImpl(useCosa bool) error {
 		return fmt.Errorf("unsupported %v %q", name, item)
 	}
 
+	if kolaPlatform == "iso" {
+		kolaPlatform = "qemu-iso"
+	}
 	// TODO: Could also auto-synchronize if e.g. --aws-ami is passed
-	if kolaPlatform == "" {
-		if kola.QEMUIsoOptions.IsoPath != "" {
-			kolaPlatform = "qemu-iso"
-		} else {
-			kolaPlatform = "qemu-unpriv"
-		}
+	if kolaPlatform == "" && kola.QEMUIsoOptions.IsoPath != "" {
+		kolaPlatform = "qemu-iso"
 	}
 
-	// There used to be a "privileged" qemu path, it is no longer supported.
-	// Alias qemu to qemu-unpriv.
-	if kolaPlatform == "qemu" {
-		kolaPlatform = "qemu-unpriv"
-	} else if kolaPlatform == "iso" {
-		kolaPlatform = "qemu-iso"
+	// There used to be two QEMU platforms: privileged ('qemu') and
+	// unprivileged ('qemu-unpriv'). We first removed support for privileged
+	// QEMU and aliased it to 'qemu-unpriv' and then renamed and merged
+	// 'qemu-unpriv' to 'qemu' to unify on a single name. 'qemu' is now the
+	// default.
+	if kolaPlatform == "" {
+		kolaPlatform = "qemu"
 	}
 
 	// test parallelism
@@ -334,7 +334,7 @@ func syncOptions() error {
 // options that can be derived from the cosa build metadata
 func syncCosaOptions() error {
 	switch kolaPlatform {
-	case "qemu-unpriv", "qemu":
+	case "qemu":
 		if kola.QEMUOptions.DiskImage == "" && kola.CosaBuild.Meta.BuildArtifacts.Qemu != nil {
 			kola.QEMUOptions.DiskImage = filepath.Join(kola.CosaBuild.Dir, kola.CosaBuild.Meta.BuildArtifacts.Qemu.Path)
 		}

mantle/kola/harness.go

@@ -279,7 +279,7 @@ func NewFlight(pltfrm string) (flight platform.Flight, err error) {
 		flight, err = openstack.NewFlight(&OpenStackOptions)
 	case "packet":
 		flight, err = packet.NewFlight(&PacketOptions)
-	case "qemu-unpriv":
+	case "qemu":
 		flight, err = unprivqemu.NewFlight(&QEMUOptions)
 	case "qemu-iso":
 		flight, err = qemuiso.NewFlight(&QEMUIsoOptions)
@@ -469,11 +469,6 @@ func filterTests(tests map[string]*register.Test, patterns []string, pltfrm stri
 
 	checkPlatforms := []string{pltfrm}
 
-	// qemu-unpriv has the same restrictions as QEMU but might also want additional restrictions due to the lack of a Local cluster
-	if pltfrm == "qemu-unpriv" {
-		checkPlatforms = append(checkPlatforms, "qemu")
-	}
-
 	// sort tags into include/exclude
 	positiveTags := []string{}
 	negativeTags := []string{}
@@ -627,7 +622,7 @@ func filterTests(tests map[string]*register.Test, patterns []string, pltfrm stri
 		if allowed, excluded := isAllowed(Options.Distribution, t.Distros, t.ExcludeDistros); !allowed || excluded {
 			continue
 		}
-		if pltfrm == "qemu-unpriv" {
+		if pltfrm == "qemu" {
 			if allowed, excluded := isAllowed(QEMUOptions.Firmware, t.Firmwares, t.ExcludeFirmwares); !allowed || excluded {
 				continue
 			}

src/cmd-kola

@@ -49,7 +49,7 @@ r = re.compile("-p(=.+)?|--platform(=.+)?")
 platformargs = list(filter(r.match, unknown_args))
 
 if os.getuid() != 0 and len(platformargs) == 0:
-    kolaargs.extend(['-p', 'qemu-unpriv'])
+    kolaargs.extend(['-p', 'qemu'])
 
 if args.build is not None:
     kolaargs.extend(['--build', args.build])

src/cmd-offline-update

@@ -10,7 +10,7 @@
 # cd /path/to/rhcos-4.8
 # cp --reflink=auto /path/to/rhcos-4.6.0-x86_64-qemu.qcow2 tmp/
 # cosa offline-update tmp/rhcos-4.6.0-x86_64-qemu.qcow2
-# kola run -p qemu-unpriv -b rhcos --qemu-image tmp/rhcos-4.6.0-x86_64-qemu.qcow2 basic
+# kola run -p qemu -b rhcos --qemu-image tmp/rhcos-4.6.0-x86_64-qemu.qcow2 basic
 
 set -euo pipefail