RHEL4Edge image build fails in E2E provisioning demo

[giannisalinetti]

When building the RHEL4Edge image according to the steps suggested by the README the build fails with a RemoteDisconnect from the Red Hat CDN.

The issue has been reproduced with RHEL 8.5 + OCP 4.8. The choice of using RHEL 8.5 went after noticing that the README was not updated with the latest commits on the demo code (see fddb841409b59cb51cd2c452b9106abd4592d80f, d6e1dadcfc8ef5acbf08f7a87b5619d6f32fca98 and f041ea9b1369717f1bd5f4326b3ec45172b24cdb commits).

Steps to reproduce

1. Deploy a RHEL 8.5 instance. During tests a KVM/Libvirt image was deployed on a Fedora 34 host.
2. Register the build vm using subscription-manager and attach a pool with valid entitlements. The pool used was the Red Hat's Employee SKU.
3. Enable OCP 4.8 repositories:

   $ sudo yum-config-manager --enable rhocp-4.8-for-rhel-8-x86_64-rpms
   

4. Install git and the oc client.
5. Clone the microshift-demos repository:

   $ git clone https://github.com/redhat-et/microshift-demos.git
   $ cd microshift-demos/e2e-demo
   

6. Fork the microshift-config repository and store its URL in the GITOPS_REPO variable:

   $ GITOPS_REPO="https://github.com/giannisalinetti/microshift-config"
   

7. Run the build preparation:

   $ sudo ./image-builder/prepare_builder.sh
   

8. Update the kickstart file and run the build script:

   $ sed -i "s|https://github.com/redhat-et/microshift-config|${GITOPS_REPO}|" ./image-builder/kickstart.ks
   $ sudo ./image-builder/build.sh
   

Build output

# Adding RHOCP and Ansible repos to builder

# Loading sources for transmission

# Loading sources for microshift

# Loading r4e-microshift blueprint
blueprint: r4e-microshift v0.0.1
    python3-ethtool-0.14-3.el8.x86_64
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    perl-Scalar-List-Utils-3:1.49-2.el8.x86_64
    perl-PathTools-3.74-1.el8.x86_64
    json-glib-1.4.4-1.el8.x86_64
    perl-Data-Dumper-2.167-399.el8.x86_64
    libedit-3.1-23.20170329cvs.el8.x86_64
    libnfnetlink-1.0.1-13.el8.x86_64
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    python3-markupsafe-0.23-19.el8.x86_64
    libxkbcommon-0.9.1-1.el8.x86_64
    xkeyboard-config-2.28-1.el8.noarch
    perl-IO-Socket-SSL-2.066-4.module+el8.3.0+6446+594cad75.noarch
    perl-Mozilla-CA-20160104-7.module+el8.3.0+6498+9eecfe51.noarch
    perl-Net-SSLeay-1.88-1.module+el8.3.0+6446+594cad75.x86_64
    git-core-2.27.0-1.el8.x86_64
    libmaxminddb-1.2.0-10.el8.x86_64
    perl-Git-2.27.0-1.el8.noarch
    git-2.27.0-1.el8.x86_64
    git-core-doc-2.27.0-1.el8.noarch
    protobuf-c-1.3.0-6.el8.x86_64
    rhc-worker-playbook-0.1.5-3.el8_4.x86_64
    criu-3.15-3.module+el8.5.0+12582+56d94c81.x86_64
    libslirp-4.4.0-1.module+el8.5.0+12582+56d94c81.x86_64
    slirp4netns-1.1.8-1.module+el8.5.0+12582+56d94c81.x86_64
    unbound-libs-1.7.3-17.el8.x86_64
    bind-libs-32:9.11.26-6.el8.x86_64
    fstrm-0.6.1-2.el8.x86_64
    bind-license-32:9.11.26-6.el8.noarch
    bind-libs-lite-32:9.11.26-6.el8.x86_64
    python3-babel-2.5.1-7.el8.noarch
    python3-jinja2-2.10.1-3.el8.noarch
    python3-bind-32:9.11.26-6.el8.noarch
    python3-unbound-1.7.3-17.el8.x86_64
    bind-utils-32:9.11.26-6.el8.x86_64
    rhc-1:0.2.0-3.el8.x86_64
    insights-client-3.1.7-1.el8_5.noarch
    containernetworking-plugins-1.0.1-1.module+el8.5.0+13436+9c05b4ba.x86_64
    runc-1.0.3-1.module+el8.5.0+13556+7f055e70.x86_64
    containers-common-2:1-8.module+el8.5.0+13954+1b78b731.noarch
    container-selinux-2:2.173.0-1.module+el8.5.0+13852+150547f7.noarch
    conmon-2:2.0.32-1.module+el8.5.0+13852+150547f7.x86_64
    podman-1:3.4.2-9.module+el8.5.0+13852+150547f7.x86_64
    fuse-overlayfs-1.8-1.module+el8.5.0+13754+92ec836b.x86_64
    podman-catatonit-1:3.4.2-9.module+el8.5.0+13852+150547f7.x86_64
    cri-tools-1.21.0-4.el8.x86_64
    cri-o-1.21.6-3.rhaos4.8.git19780ee.2.el8.x86_64
    sshpass-1.06-3.el8ae.x86_64
    ansible-2.9.27-1.el8ae.noarch
    microshift-4.8.0-2022_04_20_141053.el8.x86_64
    microshift-selinux-4.8.0-2022_04_20_141053.el8.noarch
    transmission-agent-0.1.6-1.el8.noarch

# Building r4e-microshift ostree container image
2022-05-10 01:02:37 FAILED
Blueprint build has failed. For more info, download logs from composer.

From the compose logs the RemoteDisconnect status is displayed.

$ sudo composer-cli compose logs 115e1a35-858e-4dae-b88b-cd4085b59d00 --json
2022-05-10 01:05:02,106: ('Connection aborted.', RemoteDisconnected('Remote end closed connection without response',))

A tcpdump shows an initial handshake between the builder VM and the Akamai CDN and a consistent amount of traffic.

Manual package installations from the host work correctly, proving that the CDN can be reached from the VM.

Expected results

Builds completes successfully and the resulting ISO image is dropped in the builds folder.

Alternate tests with RHEL 8.4

The same issue and results were also reproduced with RHEL 8.4 + OCP 4.7 after some minor adjustments (add /etc/osbuild-composer/repositories/rhel84.json file as a copy of the repo rhel8.json and fix type of composer CLI command parameter with rhel-edge-container and rhel-edge-installer.

[giannisalinetti]

Update: I have found the root cause in the traceback of the osbuild-worker process in /var/log/messages file. This points out to a broken url for the Microshift copr repository.

May 10 07:22:10 r4e-builder osbuild-worker[6397]: time="2022-05-10T07:22:10-04:00" level=info msg="Running job '36f24c36-bb31-4a14-bdb3-9db9d9985a36' (osbuild)\n"
May 10 07:22:12 r4e-builder osbuild-worker[6397]: Traceback (most recent call last):
May 10 07:22:12 r4e-builder osbuild-worker[6397]:  File "/usr/bin/osbuild", line 11, in <module>
May 10 07:22:12 r4e-builder osbuild-worker[6397]:    load_entry_point('osbuild==53', 'console_scripts', 'osbuild')()
May 10 07:22:12 r4e-builder osbuild-worker[6397]:  File "/usr/lib/python3.6/site-packages/osbuild/main_cli.py", line 158, in osbuild_cli
May 10 07:22:12 r4e-builder osbuild-worker[6397]:    manifest.download(object_store, monitor, args.libdir)
May 10 07:22:12 r4e-builder osbuild-worker[6397]:  File "/usr/lib/python3.6/site-packages/osbuild/pipeline.py", line 371, in download
May 10 07:22:12 r4e-builder osbuild-worker[6397]:    source.download(mgr, store, libdir)
May 10 07:22:12 r4e-builder osbuild-worker[6397]:  File "/usr/lib/python3.6/site-packages/osbuild/sources.py", line 38, in download
May 10 07:22:12 r4e-builder osbuild-worker[6397]:    reply = client.call_with_fds("download", args, fds)
May 10 07:22:12 r4e-builder osbuild-worker[6397]:  File "/usr/lib/python3.6/site-packages/osbuild/host.py", line 375, in call_with_fds
May 10 07:22:12 r4e-builder osbuild-worker[6397]:    raise error
May 10 07:22:12 r4e-builder osbuild-worker[6397]: osbuild.host.RemoteError: RuntimeError: curl: error downloading {'url': 'https://download.copr.fedorainfracloud.org/results/@redhat-et/microshift/epel-8-$basearch/04294330-microshift/microshift-4.8.0-2022_04_20_141053.el8.x86_64.rpm'}: error code 22
May 10 07:22:12 r4e-builder osbuild-worker[6397]:   File "/usr/lib/python3.6/site-packages/osbuild/host.py", line 268, in serve
May 10 07:22:12 r4e-builder osbuild-worker[6397]:    reply, reply_fds = self._handle_message(msg, fds)
May 10 07:22:12 r4e-builder osbuild-worker[6397]:  File "/usr/lib/python3.6/site-packages/osbuild/host.py", line 301, in _handle_message
May 10 07:22:12 r4e-builder osbuild-worker[6397]:    ret, fds = self.dispatch(name, args, fds)
May 10 07:22:12 r4e-builder osbuild-worker[6397]:  File "/usr/lib/python3.6/site-packages/osbuild/sources.py", line 64, in dispatch
May 10 07:22:12 r4e-builder osbuild-worker[6397]:    args["options"])
May 10 07:22:12 r4e-builder osbuild-worker[6397]:  File "/usr/lib/osbuild/sources/org.osbuild.curl", line 172, in download
May 10 07:22:12 r4e-builder osbuild-worker[6397]:    download(items, cache)
May 10 07:22:12 r4e-builder osbuild-worker[6397]:  File "/usr/lib/osbuild/sources/org.osbuild.curl", line 162, in download
May 10 07:22:12 r4e-builder osbuild-worker[6397]:    for _ in results:
May 10 07:22:12 r4e-builder osbuild-worker[6397]:  File "/usr/lib64/python3.6/concurrent/futures/process.py", line 366, in _chain_from_iterable_of_lists
May 10 07:22:12 r4e-builder osbuild-worker[6397]:    for element in iterable:
May 10 07:22:12 r4e-builder osbuild-worker[6397]:  File "/usr/lib64/python3.6/concurrent/futures/_base.py", line 586, in result_iterator
May 10 07:22:12 r4e-builder osbuild-worker[6397]:    yield fs.pop().result()
May 10 07:22:12 r4e-builder osbuild-worker[6397]:  File "/usr/lib64/python3.6/concurrent/futures/_base.py", line 432, in result
May 10 07:22:12 r4e-builder osbuild-worker[6397]:    return self.__get_result()
May 10 07:22:12 r4e-builder osbuild-worker[6397]:  File "/usr/lib64/python3.6/concurrent/futures/_base.py", line 384, in __get_result
May 10 07:22:12 r4e-builder osbuild-worker[6397]:    raise self._exception
May 10 07:22:12 r4e-builder osbuild-worker[6397]: time="2022-05-10T07:22:12-04:00" level=error msg="osbuild job failed: osbuild build failed" jobId=36f24c36-bb31-4a14-bdb3-9db9d9985a36
May 10 07:22:12 r4e-builder osbuild-worker[6397]: time="2022-05-10T07:22:12-04:00" level=warning msg="Job '36f24c36-bb31-4a14-bdb3-9db9d9985a36' (osbuild) failed: error decoding osbuild output: unexpected end of JSON input\nthe raw output:\n"

Replacing $basearch with the $(uname -i) value fixes the issue.