[4.20] net,traffic-generator: add container parameter to pod.execute

[servolkov]

In PodTcpClient pod.execute must contain container parameter explicitly to avoid collisions.

Original change: #2887

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[openshift-virtualization-qe-bot-4]

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[servolkov]

/verified

10 runs of the test scenario where modified code is used:

$ uv run pytest --cluster-sanity-skip-nodes-check --cluster-sanity-skip-storage-check --skip-deprecated-api-test --cluster-sanity-skip-check --count=10 tests/network/bgp -k test_connectivity_cudn_vm_and_external_network
...
TEST: test_connectivity_cudn_vm_and_external_network[10-10] STATUS: PASSED
...
10 passed, 20 deselected, 94 warnings in 721.52s (0:12:01)

The patch is stable.

[openshift-virtualization-qe-bot-3]

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🧩 Analysis chain

🏁 Script executed:

#!/bin/bash
# Fetch the PR details to see what files were changed
gh pr view 3844 --json files --jq '.files[] | "\(.path) +\(.additions) -\(.deletions)"'

Length of output: 35

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#!/bin/bash
# Get the actual diff to see the changes
gh pr diff 3844

Length of output: 1244

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#!/bin/bash
# Search for files that import or use PodTcpClient
rg -n "PodTcpClient" --type=py -C3

Length of output: 1637

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#!/bin/bash
# Find all smoke tests to check if any might be affected
rg "pytest\.mark\.smoke" --type=py -B2 | grep "def test_"

Length of output: 0

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🏁 Script executed:

#!/bin/bash
# Search for smoke marker more directly
rg "@pytest\.mark\.smoke|pytest\.mark\.smoke" --type=py -n

Length of output: 1550

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🏁 Script executed:

#!/bin/bash
# Check if BGP tests use smoke markers
rg "pytest\.mark" tests/network/bgp/ --type=py -n -A1 -B1

Length of output: 849

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🏁 Script executed:

#!/bin/bash
# Find all tests that use TcpClient or PodTcpClient
rg -n "TcpClient|PodTcpClient" tests/ --type=py -C2

Length of output: 4947

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🏁 Script executed:

#!/bin/bash
# Check what fixtures in bgp/conftest.py use TcpClient
cat tests/network/bgp/conftest.py

Length of output: 8638

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🏁 Script executed:

#!/bin/bash
# Post inline review comment with test execution plan on the first changed line
gh api \
  --method POST \
  -H "Accept: application/vnd.github+json" \
  -H "X-GitHub-Api-Version: 2022-11-28" \
  /repos/RedHatQE/openshift-virtualization-tests/pulls/3844/comments \
  -f body="## Test Execution Plan

**Run smoke tests: False**

Based on analysis of the code changes:
- Modified \`PodTcpClient\` class in \`libs/net/traffic_generator.py\` to explicitly pass \`container\` parameter to \`pod.execute()\` calls
- No smoke tests import or use \`PodTcpClient\` or the traffic_generator module
- Changes only affect BGP tests

**Tests to execute:**

- \`tests/network/bgp/test_bgp_connectivity.py\` - Both tests use the modified \`PodTcpClient\` via \`tcp_client_external_network\` fixture

**Rationale:**
The \`PodTcpClient\` class is only used in BGP tests through the \`tcp_client_external_network\` fixture. The change ensures the correct container is targeted when executing commands in the pod, avoiding potential collisions with other containers." \
  -f commit_id="$(gh pr view 3844 --json commits --jq '.commits[-1].oid')" \
  -f path="libs/net/traffic_generator.py" \
  -F line=146

Length of output: 418

---

🏁 Script executed:

#!/bin/bash
# Get the latest commit SHA from the PR
COMMIT_SHA=$(gh pr view 3844 --json commits --jq '.commits[-1].oid')
echo "Commit SHA: $COMMIT_SHA"

# Post inline review comment with test execution plan on the first changed line
gh api \
  --method POST \
  -H "Accept: application/vnd.github+json" \
  -H "X-GitHub-Api-Version: 2022-11-28" \
  /repos/RedHatQE/openshift-virtualization-tests/pulls/3844/comments \
  -f body="## Test Execution Plan

**Run smoke tests: False**

Based on analysis of the code changes:
- Modified \`PodTcpClient\` class in \`libs/net/traffic_generator.py\` to explicitly pass \`container\` parameter to \`pod.execute()\` calls
- No smoke tests import or use \`PodTcpClient\` or the traffic_generator module
- Changes only affect BGP tests

**Tests to execute:**

- \`tests/network/bgp/test_bgp_connectivity.py\` - Both tests use the modified \`PodTcpClient\` via \`tcp_client_external_network\` fixture

**Rationale:**
The \`PodTcpClient\` class is only used in BGP tests through the \`tcp_client_external_network\` fixture. The change ensures the correct container is targeted when executing commands in the pod, avoiding potential collisions with other containers." \
  -f commit_id="$COMMIT_SHA" \
  -f path="libs/net/traffic_generator.py" \
  -F line=146

Length of output: 3625

---

---

🧠 Learnings used

Learnt from: rnetser
Repo: RedHatQE/openshift-virtualization-tests PR: 0
File: :0-0
Timestamp: 2025-12-16T10:28:54.212Z
Learning: In the openshift-virtualization-tests repository, when determining smoke test impact for test execution plans, only set "Run smoke tests: True" if there is a verified, traceable dependency path from smoke tests to the changed code. Session-scoped fixtures or infrastructure-sounding changes do NOT automatically imply smoke test impact - the dependency chain must be explicitly verified using shell scripts before recommending smoke test execution.

---

Learnt from: jpeimer
Repo: RedHatQE/openshift-virtualization-tests PR: 0
File: :0-0
Timestamp: 2025-12-22T15:56:00.157Z
Learning: In the openshift-virtualization-tests repository, when responding to test execution plan requests from openshift-virtualization-qe-bot-3, do NOT use "REQUEST_CHANGES" review type if the PR author has already marked the PR as verified (e.g., with `/verified` command). Test execution plans are informational guides, not blocking requirements. Use COMMENT event for informational test plans, or only REQUEST_CHANGES if there are actual code issues that need to be addressed before merging.

---

Learnt from: rnetser
Repo: RedHatQE/openshift-virtualization-tests PR: 0
File: :0-0
Timestamp: 2025-09-29T19:05:24.987Z
Learning: For PR `#1904` test execution, the critical validation point is test_connectivity_over_migration_between_localnet_vms which should fail gracefully on cloud clusters but pass on bare-metal/PSI clusters, representing the core nmstate conditional logic functionality.

---

Learnt from: rnetser
Repo: RedHatQE/openshift-virtualization-tests PR: 0
File: :0-0
Timestamp: 2025-12-16T14:00:59.076Z
Learning: In the openshift-virtualization-tests repository, when responding to test execution plan requests from openshift-virtualization-qe-bot-3, CodeRabbit must post ONLY an inline review comment on the Files Changed tab and then stop immediately without generating any follow-up comments in the PR discussion thread. No acknowledgment messages, no confirmation of posting, no explanation - silence after posting the inline review equals success. Additional comments create empty/meaningless reviews that clutter the PR.

---

Learnt from: rnetser
Repo: RedHatQE/openshift-virtualization-tests PR: 3062
File: conftest.py:333-333
Timestamp: 2025-12-16T20:11:03.645Z
Learning: In the openshift-virtualization-tests repository, when determining smoke test impact for changes affecting py_config["os_login_param"], follow this verification methodology: (1) Find all smoke tests: `rg "pytest.mark.smoke" --type=py -B2 | grep "def test_"`, (2) For each smoke test file, search for VM creation patterns: `rg "VirtualMachineForTests|running_vm|VirtualMachineForTestsFromTemplate|wait_for_ssh|check_ssh_connectivity"`, (3) Trace the dependency chain: smoke test → VirtualMachineForTests/running_vm() → wait_for_ssh_connectivity() (default enabled) → vm.login_params property → py_config["os_login_param"][vm.os_flavor], (4) Check utilities/virt.py for login_params usage: `rg "os_login_param|login_params" utilities/virt.py -C3`. Any smoke test creating VMs with default SSH connectivity checks (running_vm with check_ssh_connectivity=True) depends on os_login_param, even if the test doesn't directly reference it.

---

Learnt from: servolkov
Repo: RedHatQE/openshift-virtualization-tests PR: 1776
File: tests/network/bgp/conftest.py:35-54
Timestamp: 2025-08-28T12:30:40.692Z
Learning: The BGP test suite in tests/network/bgp/ relies on session-scoped validation in tests/network/conftest.py via the network_sanity fixture's _verify_bgp() function, which validates required environment variables (VLAN_TAG, EXTERNAL_FRR_STATIC_IPV4, BGP_CLUSTER_DOMAIN_GROUP) before any BGP tests run, making individual fixture-level validation redundant.

---

Learnt from: rnetser
Repo: RedHatQE/openshift-virtualization-tests PR: 1904
File: tests/network/conftest.py:348-362
Timestamp: 2025-10-27T15:30:06.412Z
Learning: In tests/network/conftest.py, the _verify_nmstate_running_pods function currently runs unconditionally in network_sanity, but rnetser plans to implement marker-based conditional checking (following the pattern of _verify_dpdk, _verify_sriov, etc.) in a future PR after adding nmstate markers to the relevant tests.

---

Learnt from: rnetser
Repo: RedHatQE/openshift-virtualization-tests PR: 3062
File: conftest.py:333-333
Timestamp: 2025-12-16T15:09:49.597Z
Learning: In the openshift-virtualization-tests repository, when conftest.py or utilities/bitwarden.py changes affect py_config["os_login_param"], smoke test impact must be determined by: (1) finding all smoke tests using `rg "pytest.mark.smoke"`, (2) checking each for VM creation patterns (VirtualMachineForTests, running_vm, VirtualMachineForTestsFromTemplate), (3) tracing whether running_vm is called with default check_ssh_connectivity=True, which accesses vm.login_params property that reads py_config["os_login_param"][vm.os_flavor]. The dependency chain is: smoke test → VM creation → running_vm → wait_for_ssh_connectivity → vm.login_params → os_login_param. Any smoke test creating VMs with SSH connectivity (the default) depends on os_login_param.

---

Learnt from: rnetser
Repo: RedHatQE/openshift-virtualization-tests PR: 0
File: :0-0
Timestamp: 2025-09-29T19:05:24.987Z
Learning: The test execution plan for PR `#1904` focuses on cluster-type conditional logic where nmstate functionality is bypassed on cloud clusters (Azure/AWS) but fully functional on bare-metal/PSI clusters, requiring different test strategies for each environment type.

---

Learnt from: azhivovk
Repo: RedHatQE/openshift-virtualization-tests PR: 3598
File: tests/network/sriov/conftest.py:62-71
Timestamp: 2026-01-28T17:36:14.188Z
Learning: In the RedHatQE/openshift-virtualization-tests repository, sanity checks validate that the cluster supports at least one IP family (IPv4 or IPv6) before SR-IOV tests run. Therefore, defensive guards checking for empty IP addresses in SR-IOV VM fixtures (like `sriov_vm` in tests/network/sriov/conftest.py) are not necessary—if neither `ipv4_supported_cluster` nor `ipv6_supported_cluster` is True, the cluster is considered broken and will fail sanity validation.

---

Learnt from: rnetser
Repo: RedHatQE/openshift-virtualization-tests PR: 0
File: :0-0
Timestamp: 2025-12-16T14:06:22.391Z
Learning: In the openshift-virtualization-tests repository, when posting test execution plan inline review comments using GitHub API, the full test execution plan content must go in the `comments[].body` field (which appears on Files Changed tab), NOT in the top-level `body` field (which appears in PR discussion thread). The top-level `body` field should be omitted or left empty to avoid posting redundant comments in the PR discussion thread.

---

Learnt from: yossisegev
Repo: RedHatQE/openshift-virtualization-tests PR: 3358
File: tests/network/sriov/test_sriov.py:21-21
Timestamp: 2026-01-07T09:52:22.771Z
Learning: For PRs that only remove or modify pytest markers (like removing pytest.mark.post_upgrade) without changing test logic in openshift-virtualization-tests, collection verification using `pytest --collect-only` is sufficient. Full test execution is not required to verify marker-only changes.

---

Learnt from: EdDev
Repo: RedHatQE/openshift-virtualization-tests PR: 3612
File: tests/network/user_defined_network/ip_specification/test_ip_specification.py:10-10
Timestamp: 2026-01-26T20:29:54.623Z
Learning: In the RedHatQE/openshift-virtualization-tests repository, when introducing STD (Standard Test Definition) PRs that define test case structure without implementation, it's acceptable and intentional to use `__test__ = False` to block pytest collection until the tests are fully implemented in a follow-up PR. The STD workflow involves: (1) defining test structure, markers, and documentation first, (2) implementing the actual test logic and removing the collection blocker in a subsequent PR.

---

Learnt from: yossisegev
Repo: RedHatQE/openshift-virtualization-tests PR: 3196
File: tests/network/upgrade/test_upgrade_network.py:4-4
Timestamp: 2025-12-22T16:27:44.327Z
Learning: For PRs that remove test cases (especially redundant test cleanup PRs in openshift-virtualization-tests), test collection verification (pytest --collect-only showing selected/deselected counts) is sufficient to confirm the removal was clean and the test module remains functional. Full test execution is not required for test deletion PRs.

---

Learnt from: servolkov
Repo: RedHatQE/openshift-virtualization-tests PR: 1776
File: libs/net/node_network.py:25-31
Timestamp: 2025-08-20T23:43:28.117Z
Learning: In the RedHatQE/openshift-virtualization-tests project, servolkov's team always uses bare metal (BM) clusters with IPv4 setup in their testing environment, making defensive checks for IPv4 data presence potentially redundant in their networking code.

---

Learnt from: rnetser
Repo: RedHatQE/openshift-virtualization-tests PR: 3371
File: scripts/tests_analyzer/compare_coderabbit_decisions.py:199-289
Timestamp: 2026-01-13T10:06:14.822Z
Learning: In the openshift-virtualization-tests repository, user rnetser prefers to keep pagination loops inline rather than extracting them into generic helper functions when the loops have different URL patterns and unique post-processing logic, as the inline approach improves readability and makes each endpoint's behavior more explicit.

---

Learnt from: rnetser
Repo: RedHatQE/openshift-virtualization-tests PR: 3228
File: .coderabbit.yaml:30-41
Timestamp: 2026-01-05T10:33:55.037Z
Learning: In the openshift-virtualization-tests repository, user rnetser prefers minimal pre-merge checks in CodeRabbit configuration: only docstrings enforcement (80% threshold) is needed, not title or description checks.

---

Learnt from: rnetser
Repo: RedHatQE/openshift-virtualization-tests PR: 2469
File: utilities/sanity.py:139-142
Timestamp: 2025-11-08T07:36:57.616Z
Learning: In the openshift-virtualization-tests repository, user rnetser prefers to keep refactoring PRs (like PR `#2469`) strictly focused on moving/organizing code into more granular modules without adding new functionality, error handling, or behavioral changes. Such improvements should be handled in separate PRs.

---

Learnt from: jpeimer
Repo: RedHatQE/openshift-virtualization-tests PR: 1160
File: tests/storage/storage_migration/test_mtc_storage_class_migration.py:165-176
Timestamp: 2025-06-17T07:45:37.776Z
Learning: In the openshift-virtualization-tests repository, user jpeimer prefers explicit fixture parameters over composite fixtures in test methods, even when there are many parameters, as they find this approach more readable and maintainable for understanding test dependencies.

---

Learnt from: jpeimer
Repo: RedHatQE/openshift-virtualization-tests PR: 3571
File: tests/storage/storage_migration/utils.py:158-167
Timestamp: 2026-01-25T13:18:26.819Z
Learning: In the openshift-virtualization-tests repository, user jpeimer prefers to avoid nitpicky style changes (e.g., removing `.keys()` from dict membership checks) because verifying every change is expensive. Be cautious about suggesting low-impact stylistic improvements that require verification overhead.

---

Learnt from: akri3i
Repo: RedHatQE/openshift-virtualization-tests PR: 1210
File: tests/virt/cluster/general/mass_machine_type_transition_tests/conftest.py:24-64
Timestamp: 2025-06-23T19:28:20.281Z
Learning: In OpenShift Virtualization mass machine type transition tests, the machine type glob pattern "pc-q35-rhel8.*.*" is intentionally hard-coded in the kubevirt_api_lifecycle_automation_job as it's used only once for this specific test case, with plans to update it in the future if the job needs to support other machine types.

---

Learnt from: RoniKishner
Repo: RedHatQE/openshift-virtualization-tests PR: 1411
File: utilities/os_utils.py:246-279
Timestamp: 2025-07-22T17:13:59.166Z
Learning: In the RedHatQE/openshift-virtualization-tests repository, CentOS preferences follow the format "centos-stream<version>" (e.g., "centos-stream9", "centos-stream10"). The generate_instance_type_centos_os_matrix function correctly uses regex to extract numeric versions and constructs the latest version string in the same format as the input preferences for proper comparison.

---

Learnt from: akri3i
Repo: RedHatQE/openshift-virtualization-tests PR: 1210
File: tests/virt/cluster/general/mass_machine_type_transition_tests/conftest.py:83-97
Timestamp: 2025-06-23T19:19:31.961Z
Learning: In OpenShift Virtualization mass machine type transition tests, the kubevirt_api_lifecycle_automation_job requires cluster-admin privileges to function properly, as confirmed by the test maintainer akri3i.

---

Learnt from: yossisegev
Repo: RedHatQE/openshift-virtualization-tests PR: 0
File: :0-0
Timestamp: 2025-12-07T14:51:53.484Z
Learning: In the openshift-virtualization-tests repository, the team has decided to avoid using predefined time constants (like TIMEOUT_2MIN, TIMEOUT_5SEC) and prefers using explicit numeric values for timeout parameters.

[rnetser]

@servolkov is this a cherrypick? if so, please include a link to the original pr

[servolkov]

@servolkov is this a cherrypick? if so, please include a link to the original pr

No, it is not. Or, to put it better, it was supposed to be a cherry-pick, but the changes in the traffic_generator moved along with other larger changes (cherry-picks) before that (as a dependency). But this code did not get in, probably the rebase was not quite correct, although the verification, as I see it, was successful.

[rnetser]

@servolkov is this a cherrypick? if so, please include a link to the original pr

No, it is not. Or, to put it better, it was supposed to be a cherry-pick, but the changes in the traffic_generator moved along with other larger changes (cherry-picks) before that (as a dependency). But this code did not get in, probably the rebase was not quite correct, although the verification, as I see it, was successful.

how was the verification successful?
anything we can learn from this to the future?

[yossisegev]

Thank you

[servolkov]

how was the verification successful?

@rnetser about how it was successful - if we need I can investigate, but honestly I don't want to spend a lot time here, I will try to catch it when I am more available.

anything we can learn from this to the future?

from my perspective it is worth not to cherry-pick several commits at once to avoid collisions and make the process clearer in terms of review and verification. On the other hand, I have experienced myself and have seen from colleagues when, in order to successfully cherry-pick a certain commit, you need to add a part of another commit (just a part). In this case, we need to clearly describe it in the description and conduct a full review like it is not a just backport.

[rnetser]

/approve
/lgtm

[openshift-virtualization-qe-bot-5]

New container for quay.io/openshift-cnv/openshift-virtualization-tests:cnv-4.20 published