On Wed, Dec 30, 2020 at 03:14:06PM +0800, Ren Wen wrote:

...

...

• if [ ! -f "$log_file" ]; then

...

• touch $log_file
  

• # fluentd refresh time is 1s
  

• # let fluentd to monitor this file first
  

• sleep 2
  

• fi

how about: [ -f "$log_file" ] || { ... } ?

there are 2 line codes, if just 1 line code use like you say is good.

{} is a way to group a list of commands to be executed as a unit, you can also use like this: [ ] || { expression1 expression2 }

ok, got it

Thanks, Yinsi

Thanks, RenWen

...

Thanks, Yinsi

...

---

Thanks Yu Chuan

...

+}

-qemu=qemu-system-aarch64 -command -v $qemu >/dev/null || qemu=qemu-kvm +qemu_command() +{

• qemu=qemu-system-aarch64
• command -v $qemu >/dev/null || qemu=qemu-kvm

+}

-ipxe_script=ipxe_script -curl http://$%7BSCHED_HOST:-172.17.0.1%7D:$%7BSCHED_PORT:-3000%7D/boot.ipxe/mac/$... > $ipxe_script -cat $ipxe_script >> ${log_file} +write_logfile() +{

• ipxe_script=ipxe_script
• curl http://$%7BSCHED_HOST:-172.17.0.1%7D:$%7BSCHED_PORT:-3000%7D/boot.ipxe/mac/$... > $ipxe_script
• cat $ipxe_script >> ${log_file}

+}

-append= -initrds= -while read a b c -do

• case "$a" in

• '#')
  

• 	;;
  

• initrd)
  

• 	file=$(basename "$b")
  

• 	wget --timestamping -a ${log_file} --progress=bar:force $b
  

• 	initrds+="$file "
  

• 	;;
  

• kernel)
  

• 	kernel=$(basename "$b")
  

• 	wget --timestamping -a ${log_file} --progress=bar:force $b
  

• 	append=$(echo "$c" | sed -r "s/ initrd=[^ ]+//g")
  

• 	;;
  

• *)
  

• 	;;
  

• esac

-done < $ipxe_script +option_value() +{

• append=
• initrds=
• while read a b c
• do

• case "$a" in
  

• 	'#')
  

• 		;;
  

• 	initrd)
  

• 		file=$(basename "$b")
  

• 		wget --timestamping -a ${log_file} --progress=bar:force $b
  

• 		initrds+="$file "
  

• 		;;
  

• 	kernel)
  

• 		kernel=$(basename "$b")
  

• 		wget --timestamping -a ${log_file} --progress=bar:force $b
  

• 		append=$(echo "$c" | sed -r "s/ initrd=[^ ]+//g")
  

• 		;;
  

• 	*)
  

• 		;;
  

• esac
  

• done < $ipxe_script

+}

-[ -s "$kernel" ] || {

• echo "can't get kernel or kernel size is 0"
• exit

+check_option_value() +{

• [ -s "$kernel" ] || {

• echo "can't get kernel or kernel size is 0"
  

• exit
  

• }
• [ -n "$initrds" ] || exit
• initrd=initrd
• cat $initrds > $initrd

}

-[ -n "$initrds" ] || {

• exit

+print_message() +{

• echo $SCHED_PORT
• echo kernel: $kernel
• echo initrds: $initrds
• echo append: $append
• echo less $log_file
• sleep 5

}

-initrd=initrd -cat $initrds > $initrd +run_qemu() +{

• kvm=(

• $qemu
  

• -machine virt-4.0,accel=kvm,gic-version=3
  

• -kernel $kernel
  

• -initrd $initrd
  

• -smp $nr_cpu
  

• -m $memory
  

• -cpu Kunpeng-920
  

• -bios /usr/share/qemu-efi-aarch64/QEMU_EFI.fd
  

• -nic tap,model=virtio-net-pci,helper=/usr/libexec/qemu-bridge-helper,br=br0,mac=${mac}
  

• -k en-us
  

• -no-reboot
  

• -nographic
  

• -serial file:${log_file}
  

• -monitor null
  

• )
• "${kvm[@]}" --append "${append}"

+}

-echo $SCHED_PORT -echo kernel: $kernel -echo initrds: $initrds -echo append: $append -echo less $log_file +check_logfile +write_logfile

-sleep 5 +qemu_command +option_value +check_option_value

-kvm=(

• $qemu
• -machine virt-4.0,accel=kvm,gic-version=3
• -kernel $kernel
• -initrd $initrd
• -smp $nr_cpu
• -m $memory
• -cpu Kunpeng-920
• -bios /usr/share/qemu-efi-aarch64/QEMU_EFI.fd
• -nic tap,model=virtio-net-pci,helper=/usr/libexec/qemu-bridge-helper,br=br0,mac=${mac}
• -k en-us
• -no-reboot
• -nographic
• -serial file:${log_file}
• -monitor null

-) +print_message

-"${kvm[@]}" --append "${append}"

+run_qemu

2.23.0