Brad Fitzpatrick d0fcb668d5 cmd/tailscale/cli: add 'tailscale configure flash-appliance' ...

Adds a CLI subcommand that downloads a signed Tailscale appliance
image (Gokrazy archive format, GAF) from pkgs.tailscale.com,
constructs a fresh GPT-partitioned disk from it (mbr.img + a
synthesized partition table + boot.img + root.img), formats /perm
as ext4 in pure Go via go-diskfs, and ejects the disk so a user
running on a regular workstation can flash an SD card or homelab
VM disk in one command without installing e2fsprogs.

On macOS the target disk is auto-discovered via diskutil, skipping
the boot disk and anything bigger than 256 GB out of paranoia. On
Linux the user passes --disk=/dev/sdX explicitly. Windows is not
supported yet and the command returns an error.

The GPT layout matches monogok's full-disk layout via the new
public github.com/bradfitz/monogok/disklayout package; a drift-
guard test inside monogok asserts the two implementations stay
byte-identical so OTA updates against monogok-built images keep
working.

Behind a ts_omit_flashappliance build tag (on by default).

Updates #1866

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
Change-Id: Ic1a8cd185e7039edccb7702ab4104544fcb58d29

2026-07-01 08:09:50 -07:00

..

buildfeatures.go

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feature_ace_disabled.go

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feature_ace_enabled.go

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feature_acme_disabled.go

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feature_acme_enabled.go

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feature_advertiseexitnode_disabled.go

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feature_advertiseexitnode_enabled.go

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feature_advertiseroutes_disabled.go

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feature_advertiseroutes_enabled.go

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feature_appconnectors_disabled.go

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feature_appconnectors_enabled.go

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feature_aws_disabled.go

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feature_aws_enabled.go

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feature_bakedroots_disabled.go

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feature_bakedroots_enabled.go

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feature_bird_disabled.go

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feature_bird_enabled.go

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feature_c2n_disabled.go

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feature_c2n_enabled.go

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feature_cachenetmap_disabled.go

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feature_cachenetmap_enabled.go

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feature_captiveportal_disabled.go

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feature_captiveportal_enabled.go

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feature_capture_disabled.go

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feature_capture_enabled.go

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feature_cliconndiag_disabled.go

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feature_cliconndiag_enabled.go

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feature_clientmetrics_disabled.go

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feature_clientmetrics_enabled.go

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feature_clientupdate_disabled.go

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feature_clientupdate_enabled.go

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feature_cloud_disabled.go

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feature_cloud_enabled.go

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feature_colorable_disabled.go

cmd/tailscale,feature/featuretags: make webbrowser and colorable deps omittable

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feature_colorable_enabled.go

cmd/tailscale,feature/featuretags: make webbrowser and colorable deps omittable

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feature_completion_disabled.go

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feature_completion_enabled.go

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feature_completion_scripts_disabled.go

feature/featuretags: add test that all ts_omit_foo tags are declared

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feature_completion_scripts_enabled.go

feature/featuretags: add test that all ts_omit_foo tags are declared

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feature_conn25_disabled.go

cmd/tailscaled,feature/conn25,feature/featuretags: add conn25 to featuretags

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feature_conn25_enabled.go

cmd/tailscaled,feature/conn25,feature/featuretags: add conn25 to featuretags

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feature_dbus_disabled.go

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feature_dbus_enabled.go

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feature_debug_disabled.go

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feature_debug_enabled.go

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feature_debugeventbus_disabled.go

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feature_debugportmapper_disabled.go

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feature_desktop_sessions_disabled.go

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feature_dns_disabled.go

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feature_dns_enabled.go

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feature_doctor_disabled.go

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feature_doctor_enabled.go

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feature_drive_disabled.go

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feature_drive_enabled.go

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feature_flashappliance_disabled.go

cmd/tailscale/cli: add 'tailscale configure flash-appliance'

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feature_flashappliance_enabled.go

cmd/tailscale/cli: add 'tailscale configure flash-appliance'

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feature_gro_disabled.go

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feature_gro_enabled.go

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feature_health_disabled.go

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feature_health_enabled.go

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feature_hujsonconf_disabled.go

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feature_hujsonconf_enabled.go

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feature_identityfederation_disabled.go

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feature_identityfederation_enabled.go

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feature_ipnbus_disabled.go

ipn/localapi, cli, clientmetric: add ipnbus feature tag; fix omit.go stub

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feature_ipnbus_enabled.go

ipn/localapi, cli, clientmetric: add ipnbus feature tag; fix omit.go stub

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feature_iptables_disabled.go

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feature_iptables_enabled.go

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feature_kube_disabled.go

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feature_kube_enabled.go

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feature_linkspeed_disabled.go

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feature_linkspeed_enabled.go

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feature_linuxdnsfight_disabled.go

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feature_linuxdnsfight_enabled.go

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feature_listenrawdisco_disabled.go

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feature_listenrawdisco_enabled.go

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feature_logtail_disabled.go

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feature_logtail_enabled.go

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feature_netlog_disabled.go

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feature_netlog_enabled.go

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feature_netstack_disabled.go

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feature_netstack_enabled.go

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feature_networkmanager_disabled.go

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feature_networkmanager_enabled.go

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feature_oauthkey_disabled.go

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feature_oauthkey_enabled.go

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feature_osrouter_disabled.go

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feature_osrouter_enabled.go

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feature_outboundproxy_disabled.go

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feature_outboundproxy_enabled.go

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feature_peerapiclient_disabled.go

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feature_peerapiclient_enabled.go

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feature_peerapiserver_disabled.go

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feature_peerapiserver_enabled.go

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feature_portlist_disabled.go

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feature_portlist_enabled.go

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feature_portmapper_disabled.go

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feature_portmapper_enabled.go

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feature_posture_disabled.go

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feature_posture_enabled.go

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feature_qrcodes_disabled.go

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feature_qrcodes_enabled.go

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feature_relayserver_disabled.go

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feature_relayserver_enabled.go

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feature_resolved_disabled.go

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feature_resolved_enabled.go

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feature_routecheck_disabled.go

feature/routecheck: add ts_omit_routecheck feature flag (#19638)

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feature_routecheck_enabled.go

feature/routecheck: add ts_omit_routecheck feature flag (#19638)

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feature_runtimemetrics_disabled.go

control/controlknobs,feature/*,ipn/ipnlocal,tailcfg: add runtimemetrics

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feature_runtimemetrics_enabled.go

control/controlknobs,feature/*,ipn/ipnlocal,tailcfg: add runtimemetrics

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feature_sdnotify_disabled.go

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feature_sdnotify_enabled.go

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feature_serve_disabled.go

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feature_serve_enabled.go

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feature_ssh_disabled.go

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feature_ssh_enabled.go

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feature_synology_disabled.go

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feature_synology_enabled.go

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feature_syspolicy_disabled.go

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feature_syspolicy_enabled.go

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feature_systray_disabled.go

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feature_systray_enabled.go

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feature_taildrop_disabled.go

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feature_taildrop_enabled.go

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feature_tailnetlock_disabled.go

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feature_tailnetlock_enabled.go

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feature_tap_disabled.go

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feature_tap_enabled.go

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feature_tpm_disabled.go

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feature_tpm_enabled.go

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feature_tundevstats_disabled.go

feature/*,net/tstun: add tundev_txq_drops clientmetric on Linux

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feature_tundevstats_enabled.go

feature/*,net/tstun: add tundev_txq_drops clientmetric on Linux

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feature_unixsocketidentity_disabled.go

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feature_unixsocketidentity_enabled.go

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feature_useexitnode_disabled.go

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feature_useexitnode_enabled.go

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feature_useproxy_disabled.go

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feature_useproxy_enabled.go

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feature_usermetrics_disabled.go

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feature_usermetrics_enabled.go

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feature_useroutes_disabled.go

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feature_useroutes_enabled.go

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feature_wakeonlan_disabled.go

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feature_wakeonlan_enabled.go

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feature_webbrowser_disabled.go

cmd/tailscale,feature/featuretags: make webbrowser and colorable deps omittable

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feature_webbrowser_enabled.go

cmd/tailscale,feature/featuretags: make webbrowser and colorable deps omittable

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feature_webclient_disabled.go

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feature_webclient_enabled.go

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gen.go

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