distro/rhel7: add osCustomizations() and liveImage()

Copied osCustomizations() and liveImage() functions from RHEL 8 and remove
unneeded customizations and options.

internal/distro/rhel7/images.go

@@ -0,0 +1,194 @@
+package rhel7
+
+import (
+	"math/rand"
+
+	"github.com/osbuild/osbuild-composer/internal/blueprint"
+	"github.com/osbuild/osbuild-composer/internal/container"
+	"github.com/osbuild/osbuild-composer/internal/distro"
+	"github.com/osbuild/osbuild-composer/internal/image"
+	"github.com/osbuild/osbuild-composer/internal/manifest"
+	"github.com/osbuild/osbuild-composer/internal/osbuild"
+	"github.com/osbuild/osbuild-composer/internal/platform"
+	"github.com/osbuild/osbuild-composer/internal/rpmmd"
+	"github.com/osbuild/osbuild-composer/internal/users"
+	"github.com/osbuild/osbuild-composer/internal/workload"
+)
+
+func osCustomizations(
+	t *imageType,
+	osPackageSet rpmmd.PackageSet,
+	options distro.ImageOptions,
+	containers []container.Spec,
+	c *blueprint.Customizations,
+) manifest.OSCustomizations {
+
+	imageConfig := t.getDefaultImageConfig()
+
+	osc := manifest.OSCustomizations{}
+
+	if t.bootable {
+		osc.KernelName = c.GetKernel().Name
+
+		var kernelOptions []string
+		if t.kernelOptions != "" {
+			kernelOptions = append(kernelOptions, t.kernelOptions)
+		}
+		if bpKernel := c.GetKernel(); bpKernel.Append != "" {
+			kernelOptions = append(kernelOptions, bpKernel.Append)
+		}
+		osc.KernelOptionsAppend = kernelOptions
+		if t.platform.GetArch() != platform.ARCH_S390X {
+			osc.KernelOptionsBootloader = true
+		}
+	}
+
+	osc.ExtraBasePackages = osPackageSet.Include
+	osc.ExcludeBasePackages = osPackageSet.Exclude
+	osc.ExtraBaseRepos = osPackageSet.Repositories
+
+	osc.Containers = containers
+
+	osc.GPGKeyFiles = imageConfig.GPGKeyFiles
+	if imageConfig.ExcludeDocs != nil {
+		osc.ExcludeDocs = *imageConfig.ExcludeDocs
+	}
+
+	// don't put users and groups in the payload of an installer
+	// add them via kickstart instead
+	osc.Groups = users.GroupsFromBP(c.GetGroups())
+	osc.Users = users.UsersFromBP(c.GetUsers())
+
+	osc.EnabledServices = imageConfig.EnabledServices
+	osc.DisabledServices = imageConfig.DisabledServices
+	if imageConfig.DefaultTarget != nil {
+		osc.DefaultTarget = *imageConfig.DefaultTarget
+	}
+
+	osc.Firewall = imageConfig.Firewall
+	if fw := c.GetFirewall(); fw != nil {
+		options := osbuild.FirewallStageOptions{
+			Ports: fw.Ports,
+		}
+
+		if fw.Services != nil {
+			options.EnabledServices = fw.Services.Enabled
+			options.DisabledServices = fw.Services.Disabled
+		}
+		if fw.Zones != nil {
+			for _, z := range fw.Zones {
+				options.Zones = append(options.Zones, osbuild.FirewallZone{
+					Name:    *z.Name,
+					Sources: z.Sources,
+				})
+			}
+		}
+		osc.Firewall = &options
+	}
+
+	language, keyboard := c.GetPrimaryLocale()
+	if language != nil {
+		osc.Language = *language
+	} else if imageConfig.Locale != nil {
+		osc.Language = *imageConfig.Locale
+	}
+	if keyboard != nil {
+		osc.Keyboard = keyboard
+	} else if imageConfig.Keyboard != nil {
+		osc.Keyboard = &imageConfig.Keyboard.Keymap
+		if imageConfig.Keyboard.X11Keymap != nil {
+			osc.X11KeymapLayouts = imageConfig.Keyboard.X11Keymap.Layouts
+		}
+	}
+
+	if hostname := c.GetHostname(); hostname != nil {
+		osc.Hostname = *hostname
+	}
+
+	timezone, ntpServers := c.GetTimezoneSettings()
+	if timezone != nil {
+		osc.Timezone = *timezone
+	} else if imageConfig.Timezone != nil {
+		osc.Timezone = *imageConfig.Timezone
+	}
+
+	if len(ntpServers) > 0 {
+		for _, server := range ntpServers {
+			osc.NTPServers = append(osc.NTPServers, osbuild.ChronyConfigServer{Hostname: server})
+		}
+	} else if imageConfig.TimeSynchronization != nil {
+		osc.NTPServers = imageConfig.TimeSynchronization.Servers
+		osc.LeapSecTZ = imageConfig.TimeSynchronization.LeapsecTz
+	}
+
+	// Relabel the tree, unless the `NoSElinux` flag is explicitly set to `true`
+	if imageConfig.NoSElinux == nil || imageConfig.NoSElinux != nil && !*imageConfig.NoSElinux {
+		osc.SElinux = "targeted"
+	}
+
+	if oscapConfig := c.GetOpenSCAP(); oscapConfig != nil {
+		osc.OpenSCAPConfig = osbuild.NewOscapRemediationStageOptions(
+			osbuild.OscapConfig{
+				Datastream: oscapConfig.DataStream,
+				ProfileID:  oscapConfig.ProfileID,
+			},
+		)
+	}
+
+	if t.arch.distro.isRHEL() && options.Facts != nil {
+		osc.FactAPIType = options.Facts.ApiType
+	}
+
+	osc.Grub2Config = imageConfig.Grub2Config
+	osc.Sysconfig = imageConfig.Sysconfig
+	osc.SystemdLogind = imageConfig.SystemdLogind
+	osc.CloudInit = imageConfig.CloudInit
+	osc.Modprobe = imageConfig.Modprobe
+	osc.DracutConf = imageConfig.DracutConf
+	osc.SystemdUnit = imageConfig.SystemdUnit
+	osc.Authselect = imageConfig.Authselect
+	osc.SELinuxConfig = imageConfig.SELinuxConfig
+	osc.Tuned = imageConfig.Tuned
+	osc.Tmpfilesd = imageConfig.Tmpfilesd
+	osc.PamLimitsConf = imageConfig.PamLimitsConf
+	osc.Sysctld = imageConfig.Sysctld
+	osc.DNFConfig = imageConfig.DNFConfig
+	osc.DNFAutomaticConfig = imageConfig.DNFAutomaticConfig
+	osc.YUMRepos = imageConfig.YUMRepos
+	osc.SshdConfig = imageConfig.SshdConfig
+	osc.AuthConfig = imageConfig.Authconfig
+	osc.PwQuality = imageConfig.PwQuality
+	osc.RHSMConfig = imageConfig.RHSMConfig
+	osc.Subscription = options.Subscription
+	osc.WAAgentConfig = imageConfig.WAAgentConfig
+	osc.UdevRules = imageConfig.UdevRules
+	osc.GCPGuestAgentConfig = imageConfig.GCPGuestAgentConfig
+
+	return osc
+}
+
+func liveImage(workload workload.Workload,
+	t *imageType,
+	customizations *blueprint.Customizations,
+	options distro.ImageOptions,
+	packageSets map[string]rpmmd.PackageSet,
+	containers []container.Spec,
+	rng *rand.Rand) (image.ImageKind, error) {
+
+	img := image.NewLiveImage()
+	img.Platform = t.platform
+	img.OSCustomizations = osCustomizations(t, packageSets[osPkgsKey], options, containers, customizations)
+	img.Environment = t.environment
+	img.Workload = workload
+	img.Compression = t.compression
+	// TODO: move generation into LiveImage
+	pt, err := t.getPartitionTable(customizations.GetFilesystems(), options, rng)
+	if err != nil {
+		return nil, err
+	}
+	img.PartitionTable = pt
+
+	img.Filename = t.Filename()
+
+	return img, nil
+}