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930 discussions

Configuration management / Salt / documentation

by Tim Jaacks

Hello everyone, is there any documentation on how Linaro uses Salt for configuring LAVA nodes? I know the infrastructure code is hosted at https://git.linaro.org/lava/lava-lab.git, but since I am new to Salt (and configuration management in general), I would love to have some kind of starting point. Where is this repository checked out? Who applies the defined Salt states and when? Are there any automatic processes happening when someone commits to the repository (e.g. changing a device type or health check job)? What is Linaro's workflow in these cases? Mit freundlichen Grüßen / Best regards Tim Jaacks DEVELOPMENT ENGINEER Garz & Fricke GmbH Tempowerkring 2 21079 Hamburg Direct: +49 40 791 899 - 55 Fax: +49 40 791899 - 39 tim.jaacks(a)garz-fricke.com www.garz-fricke.com SOLUTIONS THAT COMPLETE! Sitz der Gesellschaft: D-21079 Hamburg Registergericht: Amtsgericht Hamburg, HRB 60514 Geschäftsführer: Matthias Fricke, Manfred Garz

7 years, 1 month

unable to login to local django account from lava webpage

by Hussin, Mohamad Noor Alim

Hi, I just install lava-server to latest release, 2018.5-post1 & created a local Django account. I unable to login using lava webpage from my local machine. Lava webpage did not prompt any error message and I have no idea how to debug this problem. Any idea? Regards, Alim Hussin

7 years, 1 month

LAVA email notification configuration

by Diego Russo

Hello, In my LAVA pipeline I have the following snippet: notify: recipients: - to: method: email mail: diego.russo(a)arm.com criteria: status: finished verbosity: verbose When the job ends though I'm not receiving any email. I've looked at the documentation, but I couldn’t find anything about mail configuration. Logs also are not very helpful to debug this issue. How/where can I configure the email client? I'm also interested in changing the "from:" field. Thanks -- Diego Russo Staff Software Engineer - diego.russo(a)arm.com Direct Tel. no: +44 1223 405920 Main Tel. no: +44 1223 400400 ARM Ltd. CPC1, Capital Park, Cambridge Road, Fulbourn, CB21 5XE, United Kingdom http://www.diegor.co.uk - http://twitter.com/diegor http://www.linkedin.com/in/diegor IMPORTANT NOTICE: The contents of this email and any attachments are confidential and may also be privileged. If you are not the intended recipient, please notify the sender immediately and do not disclose the contents to any other person, use it for any purpose, or store or copy the information in any medium. Thank you.

7 years, 1 month

x86 based boot

by Hemanth K V

Hello Lava-Users, I have UEFI based x86 target board which I want to connect to LAVA and execute tests. When I go through https://validation.linaro.org/static/docs/v2/integrate-uefi.html it specifies different mechanism available.I am confused here as I am not completely clear on differences between systems mentioned. If I just know UEFI implementations method of target is it enough to select which method can be used for booting. What are the things I need to know before concluding the method to be used for booting x86 based target board? Thanks, Hemanth.

7 years, 1 month

Is LAVA suitable for us?

by magnus＠minimum.se

Hey, Where I work, we've been using LAVA since 2014 to test our in-house Linux distribution. Our devices are typically "low-end" devices with 128 to 256 MB RAM and up to 512 MB NAND flash. We use LAVA to test our BSPs, e.g lots of connectivity/interface/IO tests. We also use it for stability-testing and performance testing (like measuring the application context switch time or Ethernet TX rates). For a while, there has been a growing concern within our team that LAVA might not be ideal for our testing needs. Right now, the team is discussing if we should drop LAVA and use something else. There is even talks about developing our own test framework. I personally like the idea behind LAVA but also agree that it has been a bumpy road these past 4 years. Due to various bugs and missing features, we've several times been forced to upgrade to an unstable version of LAVA just to get normal operations working. Two times we've lost the entire test database because we were unable to recover from a LAVA upgrade. In those cases, it was easier for us to just "start over". Today we use LAVA 2018.02. I've compiled a list that summarize the most pressing issues we've experience with LAVA: 1. Test development is slow. Several members of my team avoids test development because the process of developing a test with LAVA is tedious / very timeconsuming. I think it mostly boils down to making a change, pushing it to a Git repo, submitting a job, running the job and then watching the LAVA job output for result. This will in our environment take several minutes, just to verify a change in a test. I'm aware of the guidelines for making portable tests and I personally think we can be a lot better at it for single-node tests which could enable us to run testscripts on local devices, but we have also quite a number of multinode jobs that we find are difficult to run in any other environment than LAVA. We've also tried using hacksessions to speed up development (e.g you edit the tests on the DUT and then synchronize it back to your host once you're happy). This works quite well, but feels a bit hacky and if the hacksession timeout hits, you lose all your work ;-) 2. Can't test bootloaders. Several of our hardware contain FPGAs and the FPGA images / "firmware" is tightly bundled with the bootloader. In addition to configuring the FPGA, the bootloader also contains in-house developed code for firmware update that we would like to autotest. We have a _lot_ of bootloader variants and we need a way of testing it along with the Linux system. Our current setup is that we manually flash bootloaders in our LAVA lab and then cross our fingers that the Linux system we test on the device is compatible with the bootloader. The ideal situation for us would be to always test the Linux system and the matching bootloader together. Granted, the better solution would be to move away the FPGA loading from the bootloader, but this is a design chosen by our SoC provider and we prefer to keep it. We also manage a "LTS" branch of our Linux distro. We support it for several years and we need to ensure our test setup can test both our "master" branch and our LTS branch. With our current setup, this is not possible because all devices in our lab runs a bootloader that was manually flashed at some arbitrary time. We've considered setting up several hardware of the same type, but with different bootloaders and then let LAVA treat them as different device types. This would work but our lab would fill up fast and the usage of each device would be low. We also tried making jobs that boot a golden Linux system, write the software under test (including bootloader), reboot and run tests. This did work, but required customization per device since the test has to know where to write the bootloader. We would rather put this information into the LAVA device type definition somehow. 3. Can't write to NAND. Our devices are NAND-based and we use UBIFS ontop of UBI. We have not found a way for LAVA to write NAND because the LAVA mechanism that embeds stuff into the rootfs before deployment doesn't support UBIFS. At the moment, we ramboot our devices but we are now at a point where our devices OOM because they don't have enough RAM to fit both the rootfs and running the tests. Our current solution is to split the job into several jobs that each run a smaller amount of tests, but this is less than ideal because it makes our test run slower (we need to reboot) and it is a bit annoying that test results are spread across several jobs. We have our own deployment tool that would be nice to integrate into LAVA as a deployment method. It accepts a kernel, rootfs, DT and bootloader and will write it using TFTP or DFU (USB) depending on target. To avoid forking all of LAVA in order to implement such deploy method, is there any plugin architecture that allows us to install additional boot methods alongside the LAVA packages? I'd love to get your views on these issues and if there is a solution when using LAVA. Best regards, Magnus.

7 years, 1 month

Repeat action block and auto-login issue

by Hemanth K V

Hello Lava-Users, We are running tests on imxqsaberlite target in LAVA .The Lava version that we are using is 2018.4 release. We are facing 2 issues 1.Related to auto_login section in boot action.When we are specifying the username as root in auto_login section sometimes out of 5 tries once the root is getting changed as "oroot" due to which test execution is failing Following is the boot action part of job definition - boot: namespace: nfs_boot repeat: 3 method: u-boot commands: nfs auto_login: login_prompt: 'login:' username: root prompts: - 'root@mx6q:~#' timeout: minutes: 10 Following is the job log output Matched prompt #6: login: Sending username root root mx6q login:root auto-login-action: Wait for prompt ['root@mx6q:~#', 'Login incorrect', 'Login timed out'] (timeout 00:07:24) orot 2.Related to the Repeat action block of LAVA https://validation.linaro.org/static/docs/v2/actions-repeats.html?highlight… We are trying to use repeat action in boot action part of job definition as we want to repeat booting of the target 3 times.Issue we are facing is it is not stopping at the end of 3 iterations of boot and it is continuing till the timeout specified duration of the job. Thanks, Hemanth.

7 years, 1 month

Re: [Lava-users] Running large test suites

by Tim Jaacks

Hi Dan, >Here's an example of generating lava templates using jinja2. It's probably more complicated than you need. > >See >https://git.linaro.org/ci/job/configs.git/tree/openembedded-lkft/lava-job-d… >for a directory of templates, and see >https://git.linaro.org/ci/job/configs.git/tree/openembedded-lkft/submit_for… >for the python code that does the generation. Lastly, you can run https://git.linaro.org/ci/job/configs.git/tree/openembedded-lkft/test_submi… >and it will generate all of the YAML files into "./tmp". > >Like I said, this is likely more complicated than you are looking for. I suggest starting simpler using https://pypi.python.org/pypi/jinja2-cli/0.6.0. Thank you, that really helps a lot. We want to trigger the LAVA jobs from Jenkins as well, and we need lots of metadata because the tests will be part of our release notes in the end. So no, this is definitely not more complicated than we need. In fact, this is a very good starting point for us. You should think about adding a chapter to the LAVA documentation about how to generate YAML job submissions via templates. I assume we are not the only ones facing this problem. And I had basically no experience with jinja2 at all before evaluating LAVA, so I would not have come up with the idea of using this mechanism for the job submissions myself. Mit freundlichen Grüßen / Best regards Tim Jaacks DEVELOPMENT ENGINEER Garz & Fricke GmbH Tempowerkring 2 21079 Hamburg Direct: +49 40 791 899 - 55 Fax: +49 40 791899 - 39 tim.jaacks(a)garz-fricke.com www.garz-fricke.com SOLUTIONS THAT COMPLETE! Sitz der Gesellschaft: D-21079 Hamburg Registergericht: Amtsgericht Hamburg, HRB 60514 Geschäftsführer: Matthias Fricke, Manfred Garz

7 years, 1 month

Fault 400: 'Unable to store the configuration for device_hostname on disk'

by Sathyamurthy, Raghuram

Hi, I am getting the below error while adding device-dictionary for my device "xyz" for my worker "worker" $ sudo lava-tool device-dictionary http://worker@url/RPC2/ xyz --update xyz.jinja2 Updating device dictionary for xyz on http://worker@url/RPC2/ <Fault 400: 'Unable to store the configuration for xyz on disk'> Please help. Regards, Raghu

7 years, 1 month

How to add pub key to download source code after LAVA create the container

by Yuan, ZhanghuiX

Hi LAVA mainters, Nice to meet you. I want to add my pub key after LAVA installed container. But I don't which parameters should I need add in my job xx.yaml file. Could you give me some help and advice. >>>>>>>>>>>>>>> Some part information of my xx.yaml file: <<<<<<<<<<<<<<<<<<<<<<<<<< actions: - deploy: timeout: minutes: 300 to: lxc os: ubuntu packages: [python, wget, unzip, python-pexpect, python-serial, openssh-server] - boot: prompts: - '[root(a)(.*) /]#' timeout: minutes: 300 method: lxc - test: timeout: minutes: 300 gefinitionsg - run: steps: lava-test-shell: echo "------------------------------------- debug 1 -----------------------" lava-test-shell: wget --no-proxy -q http://otcpkt.bj.intel.com/downloads/pubkey/sys_oak.zip lava-test-shell: mkdir -p ~/.ssh lava-test-shell: unzip sys_oak.zip -d ~/.ssh definitions: - repository: ssh://sys_oak@git-amr-4.devtools.intel.com:29418/pk_osi_test-source.git from: git path: <device>/<test_type>_lxc.yaml name: <test_type>-<device> params: BUILD_NUMBER: <build_number> IMAGE_URL: <image_url> PRODUCT: <build_name> IRC_USER: "sys_oak" PUB_KEY: "ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDCDJvT5UPE*************************** >>>>>>>>>>>>>>> Some part information of my xx.yaml file: <<<<<<<<<<<<<<<<<<<<<<<<<< Best Regards Zhanghui Yuan OTC Production Kernel Integration Test

7 years, 1 month

LAVA test dependencies in jobs

by Anibal Limon

Hi, We are doing boot regression test using (in DB{410,820}c) an Android boot image that contains a ramdisk [1]. We aim to do functional testing in a way that if the basic testing fails the next test definition dosen't run, that's implies dependencies over -test entries in the job [2]. Does LAVA test shell provides this kind of functionality? If not, any idea to achieve this functionality. Regards, Anibal [1] https://validation.linaro.org/scheduler/job/1884978/definition [2] https://validation.linaro.org/scheduler/job/1884978/definition#defline117

7 years, 1 month

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