makefiles/docker.inc.mk: Use directories in RIOT when possible #9646

cladmi · 2018-07-27T19:09:50Z

Contribution description

When building with docker, only mount the directories that are outside of RIOT.
This makes RIOT_FILE_RELATIVE be correctly relative to RIOTBASE when possible.

It also handles correctly EXTERNAL_MODULE_DIRS.

It fixes:

-DRIOT_FILE_RELATIVE=\"/data/riotbuild/riotproject/tests/libfixmath_unittests/bin/pkg/stm32f0discovery/libfixmath/libfixmath/fix16_str.c\"

To

-DRIOT_FILE_RELATIVE=\"tests/libfixmath_unittests/bin/pkg/stm32f0discovery/libfixmath/libfixmath/fix16_str.c\"

This fixes build size issues when RIOT_FILE_RELATIVE was used.

I also fixed BUILDRELPATH when building in docker for an example outside of RIOT to allow testing. (I could split this outside if wanted).

Testing

Build hello-world with docker it should work and you can look at the list of -v and -e options given to docker.

Copy hello-world outside of RIOT, update RIOTBASE in the makefile to point to RIOT and build with docker. It should also work and you can notice that a new -v and -e options are given to docker.

I did not test with external cpu/board/make.

Now more advanced tests are described in these two comments:

normal application, external applications and tests/external_modules: #9646 (comment)
External modules handling #9646 (comment)

Reviewing

I finished this a bit in a friday evening rush so would definitely need a second read.

Issues/PRs references

Tracking issue #9645
~~#9507~~

cladmi · 2018-07-30T10:40:15Z

Another test is building RIOT Tutorials, with task01.
The application is not using a relative path as it is outside of riot and it is handled properly.

make BUILD_IN_DOCKER=1 DOCKER="sudo docker" QUIET=0 clean all | grep 'RIOT_FILE_RELATIVE=\\"/'
        -DRIOT_FILE_RELATIVE=\"/data/riotbuild/riotproject/task-01/main.c\" \

Where in master I had cpu and board using absolute paths too

make BUILD_IN_DOCKER=1 DOCKER="sudo docker" QUIET=0 clean all | grep 'RIOT_FILE_RELATIVE=\\"/'
        -DRIOT_FILE_RELATIVE=\"/data/riotbuild/riotproject/task-01/main.c\" \
        -DRIOT_FILE_RELATIVE=\"/data/riotbuild/riotboard/native/board_init.c\" \
        -DRIOT_FILE_RELATIVE=\"/data/riotbuild/riotboard/native/drivers/native-led.c\" \
        -DRIOT_FILE_RELATIVE=\"/data/riotbuild/riotcpu/native/panic.c\" \
        -DRIOT_FILE_RELATIVE=\"/data/riotbuild/riotcpu/native/async_read.c\" \
        -DRIOT_FILE_RELATIVE=\"/data/riotbuild/riotcpu/native/syscalls.c\" \
        -DRIOT_FILE_RELATIVE=\"/data/riotbuild/riotcpu/native/irq_cpu.c\" \
        -DRIOT_FILE_RELATIVE=\"/data/riotbuild/riotcpu/native/native_cpu.c\" \
        -DRIOT_FILE_RELATIVE=\"/data/riotbuild/riotcpu/native/startup.c\" \
        -DRIOT_FILE_RELATIVE=\"/data/riotbuild/riotcpu/native/periph/uart.c\" \
        -DRIOT_FILE_RELATIVE=\"/data/riotbuild/riotcpu/native/periph/pm.c\" \
        -DRIOT_FILE_RELATIVE=\"/data/riotbuild/riotcpu/native/periph/gpio.c\" \
        -DRIOT_FILE_RELATIVE=\"/data/riotbuild/riotcpu/native/vfs/native_vfs.c\" \

I added a sub variable DOCKER_VOLUMES_AND_ENV_EXTERNAL to be able to debug what external directories are being mounted.

Inside examples/hello-world I get nothing:

make BUILD_IN_DOCKER=1 DOCKER="sudo docker"  info-debug-variable-DOCKER_VOLUMES_AND_ENV_EXTERNAL

And from an external application, I get the external 'riotproject':

make BUILD_IN_DOCKER=1 DOCKER="sudo docker"  info-debug-variable-DOCKER_VOLUMES_AND_ENV_EXTERNAL
-v /home/harter/work/git/hello-world:/data/riotbuild/riotproject -e riotproject=/data/riotbuild/riotproject

jnohlgard

Looks like a good improvement, but I can't do a proper review until I am back from holidays.

jnohlgard · 2018-07-31T07:34:00Z

makefiles/docker.inc.mk

+# Add volumes for possible outside directories
+
+DOCKER_RIOT_DIRS = riotcpu riotboard riotmake riotproject
+# Names with uppercase


This needs a better comment. I think this is a mapping from directory name inside the docker container to environment variable name for the path outside docker?

I agree, a better comment would help. My understanding is:

It is RIOT directories that can be remapped outside of the RIOT repository.
When mounting volumes in docker, if they are not in the RIOT repository, they need to be mounted as well to be accessible and the environment variable set to the mounted volume.

However, I just thought that it does not correctly handle if someone puts a CPU inside his RIOT repository in another directory. Because the environment variable should be set anyway.
I will fix this.

I removed this as there are not that many variables and was more confusing than anything.

cladmi · 2018-09-06T16:13:35Z

I found out my previous solution was wrong as I was not setting RIOTCPU for variables inside the repository and it could be in a different directory than the original one.

So now everything is based on a path_in_docker function that returns the path directories of the variable will have in docker.

Then another function that takes care of doing the defines.

I do not really know how to test external CPU/BOARD even more that right now they are not working that much.

So I think if building normal applications still work and building an external application with external modules work it will be ok.
I will find simple tests to explain.

cladmi · 2018-09-06T16:40:57Z

Handled empty variable and and relative path, docker daemon does not like mounting volumes with non absolute path.

cladmi · 2018-09-06T17:09:54Z

Testing the `relative` for application directory

We can see the -w /data/riotbuild/riotbase/example/hello-world.
In master it is -w '/data/riotbuild/riotproject/examples/hello-world/'

RIOT/examples/hello-world$ make BUILD_IN_DOCKER=1      
          
Launching build container using image "riot/riotbuild:latest".
docker run --rm -t -u "$(id -u)" \
    -v /etc/localtime:/etc/localtime:ro -v '/home/harter/work/git/RIOT:/data/riotbuild/riotbase' -e 'RIOTBASE=/data/riotbuild/riotbase' -e 'CCACHE_BASEDIR=/data/riotbuild/riotbase' -e 'RIOTPROJECT=/data/riotbuild/riotbase' -e 'RIOTCPU=/data/riotbuild/riotbase/cpu' -e 'RIOTBOARD=/data/riotbuild/riotbase/boards' -e 'RIOTMAKE=/data/riotbuild/riotbase/makefiles'  \
     \
    -w '/data/riotbuild/riotbase/examples/hello-world/' \
    'riot/riotbuild:latest' make

Testing an external application

In another RIOT repository, for me RIOT_test run an external build.
bin directory should be removed between building with master and this PR because of the '.d' files.

RIOT_test/examples/hello-world$ RIOTBASE=${HOME}/work/git/RIOT make BUILD_IN_DOCKER=1  
Launching build container using image "riot/riotbuild:latest".
docker run --rm -t -u "$(id -u)" \
    -v /etc/localtime:/etc/localtime:ro -v '/home/harter/work/git/RIOT:/data/riotbuild/riotbase' -e 'RIOTBASE=/data/riotbuild/riotbase' -e 'CCACHE_BASEDIR=/data/riotbuild/riotbase' -v '/home/harter/work/git/RIOT_test:/data/riotbuild/riotproject' -e 'RIOTPROJECT=/data/riotbuild/riotproject' -e 'RIOTCPU=/data/riotbuild/riotbase/cpu' -e 'RIOTBOARD=/data/riotbuild/riotbase/boards' -e 'RIOTMAKE=/data/riotbuild/riotbase/makefiles'  \
     \
    -w '/data/riotbuild/riotproject/examples/hello-world/' \
    'riot/riotbuild:latest' make

Testing an external application with `EXTERNAL_MODULE_DIRS`

Create two external modules just to execute make inside

mkdir -p external external2
echo 'all:' | tee external/Makefile | tee external2/Makefile

RIOT_test/examples/hello-world$ RIOTBASE=${HOME}/work/git/RIOT make BUILD_IN_DOCKER=1 EXTERNAL_MODULE_DIRS="external external2"                     
               
Launching build container using image "riot/riotbuild:latest".
docker run --rm -t -u "$(id -u)" \
    -v /etc/localtime:/etc/localtime:ro -v '/home/harter/work/git/RIOT:/data/riotbuild/riotbase' -e 'RIOTBASE=/data/riotbuild/riotbase' -e 'CCACHE_BASEDIR=/data/riotbuild/riotbase' -v '/home/harter/work/git/RIOT_test:/data/riotbuild/riotproject' -e 'RIOTPROJECT=/data/riotbuild/riotproject' -e 'RIOTCPU=/data/riotbuild/riotbase/cpu' -e 'RIOTBOARD=/data/riotbuild/riotbase/boards' -e 'RIOTMAKE=/data/riotbuild/riotbase/makefiles'  -v '/home/harter/work/git/RIOT_test/examples/hello-world/external:/data/riotbuild/external/external'  -v '/home/harter/work/git/RIOT_test/examples/hello-world/external2:/data/riotbuild/external/external2' \
     \
    -w '/data/riotbuild/riotproject/examples/hello-world/' \
    'riot/riotbuild:latest' make   'EXTERNAL_MODULE_DIRS=/data/riotbuild/external/external /data/riotbuild/external/external2'
Building application "hello-world" for "native" with MCU "native".

"make" -C /data/riotbuild/external/external
make[2]: Nothing to be done for 'all'.
"make" -C /data/riotbuild/external/external2
make[2]: Nothing to be done for 'all'.

We can see there are two volumes mount for the external modules, and the EXTERNAL_MODULE_DIRS= definition on the command line to be sure it overwrites the values parsed after that could be absolute.

cladmi · 2018-09-06T17:15:47Z

Not WIP anymore for me.

cladmi · 2018-09-06T17:19:40Z

When #8987 will get merged, there will be a test with one external module dir (not multiple but it is already something).

tcschmidt · 2018-10-09T22:20:58Z

@gebart do you mind continuing?

jnohlgard

There are probably a few variables in docker.inc.mk which do not need to be exported. They date back to when I wrote the initial Docker integration a few years ago.

Tested locally with some external board and it seems to be working, but I don't fully understand all the template magic

jnohlgard · 2018-10-10T06:51:19Z

makefiles/docker.inc.mk

+#
+# $1 = directories (can be a list of relative files)
+# $2 = docker remap base directory (defaults to DOCKER_BUILD_ROOT)
+# $3 = mapname (defaults to $(notdir $d))


what is $d?

By default it is the basename of the directory in $1. I will update the docs.

jnohlgard · 2018-10-10T06:51:47Z

makefiles/docker.inc.mk

+#
+# For each directory:
+#  * if inside, returns  $(DOCKER_RIOTBASE)/<relative_path_in_riotbase>
+#  * if outside, returns <docker remapbase>/<mapname>


inside/outside what?

Inside and outside RIOTBASE I will update

jnohlgard · 2018-10-10T06:55:10Z

makefiles/docker.inc.mk

+DOCKER_VOLUMES_AND_ENV += $(call docker_volume_and_env,RIOTMAKE,,riotmake)
+
+# Remap external module directories. Not handled if they have common dirnames
+ifneq ($(words $(sort $(notdir $(EXTERNAL_MODULE_DIRS)))),$(words $(sort $(EXTERNAL_MODULE_DIRS))))


I don't understand this check. What does it do, and why?

As we are mapping directories outside of docker to directories in docker all stored in a common base directory, without copying the whole tree hierarchy, they could have collision in names:

EXTERNAL_MODULE_DIRS = relative/to/dir/a another/directory/also/called/a

We would then try to map both to external/a.

For the documentation, the error line may be clearer. I could duplicate it to the comment.

This is a limitation with my implementation, maybe I could do another mapping than this.

without copying the whole tree hierarchy

Would it make sense to copy the whole tree hierarchy? (in another PR of course)

It could introduce difference between build machine when building in docker which is something I would not want.

Yes, I agree, though it would be useful for the user (who knows what kind of weird setup they may have).

Right now, I think nobody uses EXTERNAL_MODULE_DIRS and it was not even exported to docker before.

jnohlgard · 2018-10-10T06:57:41Z

makefiles/docker.inc.mk

-	    -e 'RIOTCPU=$(DOCKER_BUILD_ROOT)/riotcpu' \
-	    -e 'RIOTBOARD=$(DOCKER_BUILD_ROOT)/riotboard' \
-	    -e 'RIOTMAKE=$(DOCKER_BUILD_ROOT)/riotmake' \
-	    -e 'RIOTPROJECT=$(DOCKER_BUILD_ROOT)/riotproject' \


jnohlgard · 2018-10-10T07:02:13Z

makefiles/docker.inc.mk

 	    $(DOCKER_ENVIRONMENT_CMDLINE) \
-	    -w '$(DOCKER_BUILD_ROOT)/riotproject/$(BUILDRELPATH)' \
+	    -w '$(DOCKER_APPDIR)' \
 	    '$(DOCKER_IMAGE)' make $(DOCKER_MAKECMDGOALS) $(DOCKER_OVERRIDE_CMDLINE)


An idea to the future: Propagate the job count from the top level make to the docker make: make -j9 etc.

I tried in the past to get the job count from the main makefile but could not :/
I think we only have access to it from a sub make instance.

Maybe we have it from within the target execution environment though as it is passed to sub make instances.

Indeed MAKEFLAGS has it when in the execution environment, and we could extract with a $(filter -j%,$(MAKEFLAGS)) or alike.

Some local tested solution for this, configured from outside so re-using DOCKER_MAKECMDGOALS.

# Extract parallel option # The number of jobs is only available after make 4.2 # The value will not be available in make but in the targets body MAKE_PARALLEL = $(filter -j -j%,$(MAKEFLAGS)) DOCKER_MAKECMDGOALS += $(MAKE_PARALLEL)

We would get -j even when saying -j2 for make before 4.2 so would only pass -j in ubuntu bionic. But it could still be good.

cladmi · 2018-10-11T16:17:31Z

Tested locally with some external board and it seems to be working, but I don't fully understand all the template magic

I can update the first description in a generic way of what I do and why, independently of the actual template implementation.

cladmi · 2018-10-17T23:35:37Z

I pushed some documentation updates and renames.

I did not tested them as I do not have docker on this computer. I will do when I have access to the other one.

miri64 · 2018-12-18T14:02:33Z

What's the hold-up on this already ACK'd PR?

jcarrano · 2018-12-19T15:46:11Z

It's missing a squash and not it has a conflict. After I acked it we took a long detour (caused in great part by #10344 )

It represents the path of RIOTBASE inside the docker container.

Prepare for when it can have a different value.

Update definition order for DOCKER_VOLUMES_AND_ENV. * Localtime * Mapping and env related to `RIOTBASE` * Build directories * Project * CPU/BOARD/make

Return to which directory in the container this directory should be mapped.

Add functions to get volume and env arguments for a given directory environment variable. It handles: * variables with multiple directories like EXTERNAL_MODULE_DIRS * relative path * if the 'directories' variable is empty, it will not be exported to docker

Use RIOTPROJECT from within the riot repository if it is inside. This means when it is the case to use: * Not mounting the directory to `riotproject` * Use `APPDIR` relative to inside RIOT If it is not inside, do the same as before: * Mount the RIOTPROJECT to `riotproject` * Use `APPDIR` relative to RIOTPROJECT

Use BUILD_DIR from within the riot repository if it is inside.

Use the directories from in RIOT if possible for RIOTCPU/RIOTBOARD/RIOTMAKE.

cladmi · 2019-02-28T13:48:20Z

I rebased on the current master and resolved conflicts. I will re-run all the tests again.

cladmi · 2019-02-28T14:09:42Z

I could successfully re-run all the tests from

#9646 (comment)
and from
#9646 (comment)

With the same results.

When mounting directories for EXTERNAL_MODULE_DIRS it is not detected if they are in riotproject and so are still re-mounted in an external directory. It was explained in the test I originally described.

They are remapped to `$(DOCKER_BUILD_ROOT)/external` if they are not inside RIOT (usually the case but not for `tests/external_modul_dirs`). If they are inside 'riotproject' they are currently also remapped to 'external'. The value of `EXTERNAL_MODULE_DIRS` is then enforced by configuring it on the command line as the application should not try to set it anymore. The remapping is done in `external/directory_name` so cannot handle multiple external directories with the same name.

MrKevinWeiss · 2019-03-07T14:07:38Z

Sooo this seems ready... or is there something left to do?

MrKevinWeiss · 2019-03-07T17:17:58Z

So within RIOT:

docker run --rm -t -u "$(id -u)" \
    -v '/usr/share/zoneinfo/Europe/Berlin:/etc/localtime:ro' -v '/home/kevinweiss/WorkingDirectory/RIOT:/data/riotbuild/riotbase' -e 'RIOTBASE=/data/riotbuild/riotbase' -e 'CCACHE_BASEDIR=/data/riotbuild/riotbase' -e 'BUILD_DIR=/data/riotbuild/riotbase/build' -e 'RIOTPROJECT=/data/riotbuild/riotbase' -e 'RIOTCPU=/data/riotbuild/riotbase/cpu' -e 'RIOTBOARD=/data/riotbuild/riotbase/boards' -e 'RIOTMAKE=/data/riotbuild/riotbase/makefiles'     \
     \
    -w '/data/riotbuild/riotbase/examples/hello-world/' \
    'riot/riotbuild:latest' make

external:

docker run --rm -t -u "$(id -u)" \
    -v '/usr/share/zoneinfo/Europe/Berlin:/etc/localtime:ro' -v '/home/kevinweiss/WorkingDirectory/RIOT:/data/riotbuild/riotbase' -e 'RIOTBASE=/data/riotbuild/riotbase' -e 'CCACHE_BASEDIR=/data/riotbuild/riotbase' -e 'BUILD_DIR=/data/riotbuild/riotbase/build' -v '/home/kevinweiss/WorkingDirectory/hello-world:/data/riotbuild/riotproject' -e 'RIOTPROJECT=/data/riotbuild/riotproject' -e 'RIOTCPU=/data/riotbuild/riotbase/cpu' -e 'RIOTBOARD=/data/riotbuild/riotbase/boards' -e 'RIOTMAKE=/data/riotbuild/riotbase/makefiles'     \
     \
    -w '/data/riotbuild/riotproject/' \
    'riot/riotbuild:latest' make

cladmi · 2019-03-11T11:40:40Z

Thank you for the review.

cladmi added Area: build system Area: Build system Area: toolchain Area: toolchains; everything related to compilation, libc, linking, … labels Jul 27, 2018

cladmi requested review from jnohlgard and kaspar030 July 27, 2018 19:09

cladmi added the CI: ready for build If set, CI server will compile all applications for all available boards for the labeled PR label Jul 27, 2018

jnohlgard reviewed Jul 31, 2018

View reviewed changes

This was referenced Jul 31, 2018

docker: Use system GIT_CACHE_DIR if available #9651

Merged

tests/*: memory blacklisting for new Docker image (edit cladmi: and current image) #9507

Merged

cladmi mentioned this pull request Aug 8, 2018

Release 2018.07 - RC2 RIOT-OS/Release-Specs#69

Closed

69 tasks

cladmi added the State: WIP State: The PR is still work-in-progress and its code is not in its final presentable form yet label Aug 9, 2018

This was referenced Sep 3, 2018

Different build behavior between murdock and riot/riotbuild:latest image #9645

Closed

makefiles/docker.inc.mk: export RIOT_CI_BUILD to docker #9895

Merged

cladmi force-pushed the pr/make/docker/fix_relative_build_directory branch 2 times, most recently from 8141d1b to 99e8f35 Compare September 6, 2018 16:03

cladmi removed the State: WIP State: The PR is still work-in-progress and its code is not in its final presentable form yet label Sep 6, 2018

cladmi added this to the Release 2018.10 milestone Sep 19, 2018

This was referenced Sep 28, 2018

Support for self contained modules #9811

Closed

make: introduce common BUILD_DIR #10038

Merged

jnohlgard reviewed Oct 10, 2018

View reviewed changes

cladmi mentioned this pull request Oct 17, 2018

Update to Ubuntu Bionic RIOT-OS/riotdocker#42

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jia200x mentioned this pull request Nov 11, 2018

Release 2018.10 - RC3 RIOT-OS/Release-Specs#84

Closed

54 tasks

cladmi force-pushed the pr/make/docker/fix_relative_build_directory branch from e0c7e25 to cc6f02b Compare December 19, 2018 16:36

aabadie modified the milestones: Release 2019.01, Release 2019.04 Jan 25, 2019

cladmi added 10 commits February 28, 2019 14:44

makefiles/docker.inc.mk: add DOCKER_RIOTBASE variable

a0f25ed

It represents the path of RIOTBASE inside the docker container.

makefiles/docker.inc.mk: add DOCKER_APPDIR variable

378f9fd

Prepare for when it can have a different value.

makefiles/docker.inc.mk: use a variable for all volumes and environment

e5871d9

makefiles/docker.inc.mk: change definition order

a462c4a

Update definition order for DOCKER_VOLUMES_AND_ENV. * Localtime * Mapping and env related to `RIOTBASE` * Build directories * Project * CPU/BOARD/make

makefiles/docker.inc.mk: add path_in_docker function

8351b13

Return to which directory in the container this directory should be mapped.

makefiles/docker.inc.mk: use BUILD_DIR in RIOT if possible

8687d53

Use BUILD_DIR from within the riot repository if it is inside.

makefiles/docker.inc.mk: use more directories in RIOT

3c0eceb

Use the directories from in RIOT if possible for RIOTCPU/RIOTBOARD/RIOTMAKE.

makefiles:docker.inc.mk: add a global documentation on directory mapping

8b54f87

cladmi force-pushed the pr/make/docker/fix_relative_build_directory branch from cc6f02b to e03ad33 Compare February 28, 2019 13:47

cladmi added CI: ready for build If set, CI server will compile all applications for all available boards for the labeled PR and removed CI: ready for build If set, CI server will compile all applications for all available boards for the labeled PR labels Feb 28, 2019

cladmi force-pushed the pr/make/docker/fix_relative_build_directory branch from e03ad33 to 3a17ddc Compare February 28, 2019 14:14

MrKevinWeiss self-requested a review March 7, 2019 14:04

MrKevinWeiss merged commit e33e7bf into RIOT-OS:master Mar 8, 2019

cladmi deleted the pr/make/docker/fix_relative_build_directory branch March 11, 2019 11:43

cladmi mentioned this pull request Mar 11, 2019

boards: boards/common directory as separate variable #11155

Closed

makefiles/docker.inc.mk: Use directories in RIOT when possible #9646

makefiles/docker.inc.mk: Use directories in RIOT when possible #9646

Conversation

cladmi commented Jul 27, 2018 • edited Loading

Contribution description

Testing

Reviewing

Issues/PRs references

cladmi commented Jul 30, 2018

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cladmi commented Sep 6, 2018

cladmi commented Sep 6, 2018

cladmi commented Sep 6, 2018

Testing the relative for application directory

Testing an external application

Testing an external application with EXTERNAL_MODULE_DIRS

cladmi commented Sep 6, 2018

cladmi commented Sep 6, 2018

tcschmidt commented Oct 9, 2018

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cladmi commented Oct 11, 2018

cladmi commented Oct 17, 2018 • edited Loading

miri64 commented Dec 18, 2018

jcarrano commented Dec 19, 2018

cladmi commented Feb 28, 2019

cladmi commented Feb 28, 2019

MrKevinWeiss commented Mar 7, 2019

MrKevinWeiss commented Mar 7, 2019

cladmi commented Mar 11, 2019

cladmi commented Jul 27, 2018 •

edited

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Testing the `relative` for application directory

Testing an external application with `EXTERNAL_MODULE_DIRS`

cladmi commented Oct 17, 2018 •

edited

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