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arm64-docker-builder - internal notes

(just in case you run into some similar issues)

Step 1: running install-arm64-devtools.sh

Problem 1: qemu crashed on install-arm64-devtools.sh

This only happens because I had too few memory on the host machine. A good working setting is 1 GByte for the Ubuntu host machine and 512 MByte for the QEMU machine.

Step 2: running sudo dpkg --configure -a after restart of QEMU machine

see: http://unix.stackexchange.com/questions/109698/dpkg-dependency-problems-prevent-configuration-of-initramfs-tools

Problem 2: after reboot, run sudo dpkg --configure -a show errors

$ sudo dpkg --configure -a

Setting up initramfs-tools (0.103ubuntu15) ...
update-initramfs: deferring update (trigger activated)
Processing triggers for initramfs-tools (0.103ubuntu15) ...
update-initramfs: Generating /boot/initrd.img-3.19.0-18-generic
Unsupported platform.
run-parts: /etc/initramfs/post-update.d//flash-kernel exited with return code 1
dpkg: error processing package initramfs-tools (--configure):
 subprocess installed post-installation script returned error exit status 1
Errors were encountered while processing:
 initramfs-tools

Step 3: running sudo dpkg --configure -a --force-depends

$ sudo dpkg --configure -a --force-depends

Setting up initramfs-tools (0.103ubuntu15) ...
update-initramfs: deferring update (trigger activated)
Processing triggers for initramfs-tools (0.103ubuntu15) ...
update-initramfs: Generating /boot/initrd.img-3.19.0-18-generic
Unsupported platform.
run-parts: /etc/initramfs/post-update.d//flash-kernel exited with return code 1
dpkg: error processing package initramfs-tools (--configure):
 subprocess installed post-installation script returned error exit status 1
Errors were encountered while processing:
 initramfs-tools

Step 4: running sudo apt-get install -f

This also tries to generate /boot/initrd.img, takes a long time again...

$ sudo apt-get install -f

Reading package lists... Done
Building dependency tree
Reading state information... Done
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
1 not fully installed or removed.
After this operation, 0 B of additional disk space will be used.
Setting up initramfs-tools (0.103ubuntu15) ...
update-initramfs: deferring update (trigger activated)
Processing triggers for initramfs-tools (0.103ubuntu15) ...
update-initramfs: Generating /boot/initrd.img-3.19.0-18-generic

Unsupported platform.
run-parts: /etc/initramfs/post-update.d//flash-kernel exited with return code 1
dpkg: error processing package initramfs-tools (--configure):
 subprocess installed post-installation script returned error exit status 1
E: Sub-process /usr/bin/dpkg returned an error code (1)
W: Operation was interrupted before it could finish

RESUMEE

OK, let's skip all these and just ignore it. Just check, if our dependent packages are installed:

$ dpkg -l | grep btrfs-tools
ii  btrfs-tools                      3.17-1.1                     arm64        Checksumming Copy on Write Filesystem utilities

$ dpkg -l | grep libsqlite3-dev
ii  libsqlite3-dev:arm64             3.8.7.4-1                    arm64        SQLite 3 development files

$ dpkg -l | grep libdevmapper-dev
ii  libdevmapper-dev:arm64           2:1.02.90-2ubuntu1           arm64        Linux Kernel Device Mapper header files

OK, everything is GREEN. Go ahead and compile Docker.

Test on a local VirtualBox machine (on a Mid 2014 MacBookPro 15)

$ time ./install-arm64-devtools.sh

...
Processing triggers for initramfs-tools (0.103ubuntu15) ...
update-initramfs: Generating /boot/initrd.img-3.19.0-18-generic
Unsupported platform.
run-parts: /etc/initramfs/post-update.d//flash-kernel exited with return code 1
dpkg: error processing package initramfs-tools (--configure):
 subprocess installed post-installation script returned error exit status 1
E: Sub-process /usr/bin/dpkg returned an error code (1)

real	12m38.969s
user	5m35.360s
sys	2m8.790s

$ dpkg -l | grep -E "btrfs-tools|libsqlite3-dev|libdevmapper-dev"

ii  btrfs-tools                      3.17-1.1                     arm64        Checksumming Copy on Write Filesystem utilities
ii  libdevmapper-dev:arm64           2:1.02.90-2ubuntu1           arm64        Linux Kernel Device Mapper header files
ii  libsqlite3-dev:arm64             3.8.7.4-1                    arm64        SQLite 3 development files

$ time ./compile-docker.sh

Requested Docker version=LATEST
Fetch latest changes of docker/docker repository
Previous HEAD position was 7ddecf7... Bump version to v1.7.0
Switched to branch 'master'
Your branch is up-to-date with 'origin/master'.
Using GIT_TAG=v1.7.0-rc2
Note: checking out 'v1.7.0-rc2'.

You are in 'detached HEAD' state. You can look around, make experimental
changes and commit them, and you can discard any commits you make in this
state without impacting any branches by performing another checkout.

If you want to create a new branch to retain commits you create, you may
do so (now or later) by using -b with the checkout command again. Example:

  git checkout -b new_branch_name

HEAD is now at 7ddecf7... Bump version to v1.7.0
# WARNING! I don't seem to be running in the Docker container.
# The result of this command might be an incorrect build, and will not be
#   officially supported.
#
# Try this instead: make all
#

bundles/1.7.0-rc2 already exists. Removing.

---> Making bundle: dynbinary (in bundles/1.7.0-rc2/dynbinary)
go build: when using gccgo toolchain, please pass linker flags using -gccgoflags, not -ldflags
Created binary: bundles/1.7.0-rc2/dynbinary/dockerinit-1.7.0-rc2
Building: bundles/1.7.0-rc2/dynbinary/docker-1.7.0-rc2
go build: when using gccgo toolchain, please pass linker flags using -gccgoflags, not -ldflags
Created binary: bundles/1.7.0-rc2/dynbinary/docker-1.7.0-rc2


real	8m43.828s
user	7m26.500s
sys	1m0.980s