nocloud-net is deprecated

This reverts commit ce85723f1a.

embed.ipxe

@@ -210,9 +210,9 @@ goto static_ip_boot_setup
 
 :boot_all
 
-# Get accurate time for signature validation
+# Get accurate time so we can set the clock in kernel boot cmdline
 echo Syncing time over NTP
-ntp pool.ntp.org || echo "Skipped"
+ntp pool.ntp.org || goto error_handler
 
 # check for EFI
 iseq ${platform} efi && goto is_efi || goto not_efi
@@ -237,8 +237,8 @@ echo Attempting EFI boot
 set initrd1 initrd=initrd.cpio
 isset initrd2 && clear initrd2
 
-imgfetch http://images.sysdeploy.org/${ubuntu-variant}/${arch-info}/initrd.cpio || goto try_next_card
-imgverify --signer images.sysdeploy.org initrd.cpio http://images.sysdeploy.org/${ubuntu-variant}/${arch-info}/initrd.cpio.sig || goto error_handler
+imgfetch http://images-sysdeploy.b-cdn.net/${ubuntu-variant}/${arch-info}/initrd.cpio || goto try_next_card
+imgverify --signer images.sysdeploy.org initrd.cpio http://images-sysdeploy.b-cdn.net/${ubuntu-variant}/${arch-info}/initrd.cpio.sig || goto error_handler
 
 goto efi_and_not_efi
 
@@ -247,20 +247,20 @@ echo Attempting legacy boot
 set initrd1 initrd=boot-initrd
 set initrd2 initrd=squashfs
 
-imgfetch http://images.sysdeploy.org/${ubuntu-variant}/${arch-info}/squashfs /squashfs || goto try_next_card
-imgverify --signer images.sysdeploy.org squashfs http://images.sysdeploy.org/${ubuntu-variant}/${arch-info}/squashfs.sig || goto error_handler
+imgfetch http://images-sysdeploy.b-cdn.net/${ubuntu-variant}/${arch-info}/squashfs /squashfs || goto try_next_card
+imgverify --signer images.sysdeploy.org squashfs http://images-sysdeploy.b-cdn.net/${ubuntu-variant}/${arch-info}/squashfs.sig || goto error_handler
 
-initrd http://images.sysdeploy.org/${ubuntu-variant}/${arch-info}/boot-initrd || goto try_next_card
-imgverify --signer images.sysdeploy.org boot-initrd http://images.sysdeploy.org/${ubuntu-variant}/${arch-info}/boot-initrd.sig || goto error_handler
+initrd http://images-sysdeploy.b-cdn.net/${ubuntu-variant}/${arch-info}/boot-initrd || goto try_next_card
+imgverify --signer images.sysdeploy.org boot-initrd http://images-sysdeploy.b-cdn.net/${ubuntu-variant}/${arch-info}/boot-initrd.sig || goto error_handler
 
 :efi_and_not_efi
 
-kernel http://images.sysdeploy.org/${ubuntu-variant}/${arch-info}/boot-kernel || goto try_next_card
-imgverify --signer images.sysdeploy.org boot-kernel http://images.sysdeploy.org/${ubuntu-variant}/${arch-info}/boot-kernel.sig || goto error_handler
+kernel http://images-sysdeploy.b-cdn.net/${ubuntu-variant}/${arch-info}/boot-kernel || goto try_next_card
+imgverify --signer images.sysdeploy.org boot-kernel http://images-sysdeploy.b-cdn.net/${ubuntu-variant}/${arch-info}/boot-kernel.sig || goto error_handler
 
 sleep 1
 
-boot boot-kernel ${initrd1} ${initrd2} rootfstype=squashfs root=/squashfs ip=${ip-info} overlayroot=tmpfs:recurse=0 ds=nocloud-net;s=https://cloud-init.sysdeploy.org/apiv2?uuid=${uuid}&filetype= || goto error_handler
+boot boot-kernel ${initrd1} ${initrd2} rootfstype=squashfs root=/squashfs ip=${ip-info} overlayroot=tmpfs:recurse=0 systemd.clock-usec=${unixtime:int32}000000 ds=nocloud;s=https://cloud-init.sysdeploy.org/apiv2?uuid=${uuid}&filetype= || goto error_handler
 
 # unixtime variable must be used with int32, because that's the only way it
 #   will display as decimal digits. unit32 and string both display as hex.