CherryPicked: [cnv-4.21] net,bgp: exclude external FRR from BGP router nodes

[openshift-virtualization-qe-bot-5]

cherry-pick #3584 into cnv-4.21

requested-by servolkov

[coderabbitai]

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[openshift-virtualization-qe-bot]

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[servolkov]

Exception jira ticket: https://issues.redhat.com/browse/CNV-78334

(I can't add it to the PR description because this is auto-generated PR).

[servolkov]

/verified

See original PR.

[openshift-virtualization-qe-bot-3]

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Test execution plan request details

CRITICAL: You MUST post an inline review comment on the first changed line of the first file.
The inline comment should contain the Test Execution Plan with the smoke tests recommendation.
Do NOT submit a formal review - just post the inline comment directly.

As an expert software testing engineer, analyze all modified files in this PR and create a targeted test execution plan.
You will post an inline review comment with the test execution plan on the first changed file.
If you fail to run or post a comment, retry.

Analysis Requirements:

1. Examine code changes in each modified file
2. Identify affected code paths, functions, and classes
3. Analyze pytest-specific elements: fixtures (scope, dependencies), parametrization, markers, conftest changes
4. Trace test dependencies through imports, shared utilities, and fixture inheritance
5. Detect new tests introduced in the PR
6. Smoke Test Impact Analysis: Determine if any changes could affect smoke tests by checking:
   • Changes to files/functions used by tests marked with @pytest.mark.smoke
   • Changes to fixtures or utilities imported by smoke tests
   • Changes to conftest.py files that may affect smoke test execution
   • Changes to core infrastructure code (utilities/, libs/) that smoke tests depend on

Your deliverable:
Your change request comment will be based on the following requirements:

Test Execution Plan

• Run smoke tests: True / False (Based on your smoke test impact analysis - True if any changes may affect smoke tests)
• path/to/test_file.py - When the entire test file needs verification
• path/to/test_file.py::TestClass::test_method - When specific test(s) needed
• path/to/test_file.py::test_function - When specific test(s) needed
• -m marker - When specific marker(s) can be used to cover multiple cases.

Guidelines:

• Include only tests directly affected by the changes
• Use a full file path only if ALL tests in that file require verification
• Use file path + test name if only specific tests are needed
• If a test marker can cover multiple files/tests, provide the marker
• Balance coverage vs over-testing - Keep descriptions minimal

CRITICAL WORKFLOW COMPLETION RULES:

When responding to this test execution plan request, you MUST follow these rules EXACTLY:

1. YOUR ONLY DELIVERABLE: Post an inline review comment containing the test execution plan on the first changed line
2. THEN STOP IMMEDIATELY - Do NOT generate any additional response
3. FALLBACK ONLY: If submitting the review fails after retrying, post as a regular PR comment
4. SILENCE = SUCCESS: After successfully submitting the review, your task is complete. No confirmation needed.

ABSOLUTE PROHIBITIONS (violating these creates empty/meaningless reviews):

• ❌ Do NOT post acknowledgment messages like "Test execution plan posted", "Review posted successfully", "I've successfully posted"
• ❌ Do NOT mention review IDs, URLs, or confirmation of posting in the PR thread
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• ❌ Do NOT reply to confirm task completion
• ❌ Do NOT explain what you did - just do it and stop

Remember: The pull request review is visible to users. Additional comments are redundant noise.

CRITICAL: Before setting "Run smoke tests: True", you MUST use shell scripts to:
- Trace the actual fixture dependency chain from smoke tests to changed fixtures
- Verify that smoke tests actually import/use changed utilities or functions
- Confirm the dependency path exists; do NOT assume based on scope or semantics
- Be conservative: Session-scoped fixtures or infrastructure-sounding names do NOT
automatically mean smoke test impact. Only flag smoke test impact when you can
demonstrate a concrete dependency path.
WRONG: "This session-scoped storage fixture might affect smoke tests"
RIGHT: "Smoke test X uses fixture Y, which depends on the changed fixture Z"

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Tip

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🧩 Analysis chain

🏁 Script executed:

#!/bin/bash
# Fetch PR details including changed files and diff
gh pr view 3644 --repo RedHatQE/openshift-virtualization-tests --json files,additions,deletions,changedFiles | jq -r '.files[] | "\(.path):\n  additions: \(.additions)\n  deletions: \(.deletions)\n"'

# Get the actual diff to understand the changes
gh pr diff 3644 --repo RedHatQE/openshift-virtualization-tests

Length of output: 2122

---

🏁 Script executed:

#!/bin/bash
# Find all BGP tests to understand what needs testing
fd -e py . tests/network/bgp/ --exec basename {}

# Check the content of the BGP test files
cat tests/network/bgp/test_bgp_connectivity.py

# Find all tests marked with pytest.mark.bgp
rg -n "pytest.mark.bgp" tests/network/bgp/ -A 5

# Check for any smoke tests in BGP tests
rg -n "pytest.mark.smoke" tests/network/bgp/

# Check if any smoke tests import from tests/network/bgp or use BGP fixtures
rg -l "pytest.mark.smoke" tests/ --type=py | xargs rg -l "from tests.network.bgp|bgp_setup_ready|frr_configmap|frr_external_pod"

Length of output: 1178

---

🏁 Script executed:

#!/bin/bash
# Post inline review comment on the first changed line of first file
# Using GitHub REST API to post review comment

PR_NUMBER=3644
REPO="RedHatQE/openshift-virtualization-tests"
COMMIT_SHA=$(gh pr view $PR_NUMBER --repo $REPO --json headRefOid -q .headRefOid)

# Create the review with inline comment on first changed line
gh api \
  --method POST \
  -H "Accept: application/vnd.github+json" \
  "/repos/$REPO/pulls/$PR_NUMBER/reviews" \
  -f event='COMMENT' \
  -f commit_id="$COMMIT_SHA" \
  -f body='' \
  -f comments[][path]='tests/network/bgp/conftest.py' \
  -f comments[][position]=1 \
  -f comments[][body]='## Test Execution Plan

**Run smoke tests: False**

The changes modify BGP test fixtures to exclude the external FRR node from BGP router node lists and unquarantine BGP connectivity tests. No smoke test dependencies detected.

**Tests to execute:**
- `-m bgp` - Run all BGP tests to verify fixture changes and unquarantined test functionality'

Length of output: 278

---

🏁 Script executed:

#!/bin/bash
# Post inline review comment using line number instead of position
PR_NUMBER=3644
REPO="RedHatQE/openshift-virtualization-tests"
COMMIT_SHA=$(gh pr view $PR_NUMBER --repo $REPO --json headRefOid -q .headRefOid)

# Create review with inline comment using line number (right side of diff)
gh api \
  --method POST \
  -H "Accept: application/vnd.github+json" \
  "/repos/$REPO/pulls/$PR_NUMBER/reviews" \
  -f event='COMMENT' \
  -f commit_id="$COMMIT_SHA" \
  -f body='' \
  -f comments[][path]='tests/network/bgp/conftest.py' \
  -f comments[][line]=89 \
  -f comments[][side]='RIGHT' \
  -f comments[][body]='## Test Execution Plan

**Run smoke tests: False**

The changes modify BGP test fixtures to exclude the external FRR node from BGP router node lists and unquarantine BGP connectivity tests. No smoke test dependencies detected.

**Tests to execute:**
- `-m bgp` - Run all BGP tests to verify fixture changes and unquarantined test functionality'

Length of output: 272

---

🏁 Script executed:

#!/bin/bash
# Post inline review comment using -F for numeric fields
PR_NUMBER=3644
REPO="RedHatQE/openshift-virtualization-tests"
COMMIT_SHA=$(gh pr view $PR_NUMBER --repo $REPO --json headRefOid -q .headRefOid)

# Create review with inline comment - use -F for numeric line field
gh api \
  --method POST \
  -H "Accept: application/vnd.github+json" \
  "/repos/$REPO/pulls/$PR_NUMBER/reviews" \
  -f event='COMMENT' \
  -f commit_id="$COMMIT_SHA" \
  -f body='' \
  -f comments[0][path]='tests/network/bgp/conftest.py' \
  -F comments[0][line]=89 \
  -f comments[0][side]='RIGHT' \
  -f comments[0][body]='## Test Execution Plan

**Run smoke tests: False**

The changes modify BGP test fixtures to exclude the external FRR node from BGP router node lists and unquarantine BGP connectivity tests. No smoke test dependencies detected.

**Tests to execute:**
- `-m bgp` - Run all BGP tests to verify fixture changes and unquarantined test functionality'

Length of output: 1191

---

🏁 Script executed:

#!/bin/bash
# Post inline review comment using JSON payload
PR_NUMBER=3644
REPO="RedHatQE/openshift-virtualization-tests"
COMMIT_SHA=$(gh pr view $PR_NUMBER --repo $REPO --json headRefOid -q .headRefOid)

# Create JSON payload
cat > /tmp/review_payload.json <<'EOF'
{
  "event": "COMMENT",
  "body": "",
  "comments": [
    {
      "path": "tests/network/bgp/conftest.py",
      "line": 89,
      "side": "RIGHT",
      "body": "## Test Execution Plan\n\n**Run smoke tests: False**\n\nThe changes modify BGP test fixtures to exclude the external FRR node from BGP router node lists and unquarantine BGP connectivity tests. No smoke test dependencies detected.\n\n**Tests to execute:**\n- `-m bgp` - Run all BGP tests to verify fixture changes and unquarantined test functionality"
    }
  ]
}
EOF

# Add commit_id to the payload
jq --arg commit "$COMMIT_SHA" '.commit_id = $commit' /tmp/review_payload.json > /tmp/review_payload_final.json

# Post the review
gh api \
  --method POST \
  -H "Accept: application/vnd.github+json" \
  "/repos/$REPO/pulls/$PR_NUMBER/reviews" \
  --input /tmp/review_payload_final.json

Length of output: 1735

---

---

🧠 Learnings used

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: 2025-12-16T14:00:59.076Z
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: 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: 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: 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: 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: vamsikrishna-siddu
Repo: RedHatQE/openshift-virtualization-tests PR: 2199
File: tests/storage/test_online_resize.py:108-113
Timestamp: 2025-09-28T14:43:07.181Z
Learning: In the openshift-virtualization-tests repo, PR `#2199` depends on PR `#2139` which adds architecture-specific OS_FLAVOR attributes to the Images.Cirros class (OS_FLAVOR_CIRROS for x86_64/ARM64, OS_FLAVOR_FEDORA for s390x), enabling conditional logic based on the underlying OS flavor in tests.

---

Learnt from: Ahmad-Hafe
Repo: RedHatQE/openshift-virtualization-tests PR: 3334
File: tests/storage/test_data_import_cron.py:212-215
Timestamp: 2026-01-06T11:47:20.240Z
Learning: In the openshift-virtualization-tests repository, when quarantining flaky tests, the team uses two separate Jira tickets: one for the quarantine action itself (referenced in the PR description) and another for tracking and investigating the underlying issue (referenced in the xfail marker reason). Both references are intentional and serve different purposes.

---

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: 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: 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: 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.

---

Learnt from: servolkov
Repo: RedHatQE/openshift-virtualization-tests PR: 1776
File: tests/network/bgp/conftest.py:62-87
Timestamp: 2025-08-28T12:34:56.341Z
Learning: The BGP test infrastructure in tests/network/bgp/ currently uses static IP assignment via EXTERNAL_FRR_STATIC_IPV4, but the long-term goal is to transition to DHCP for IP allocation. Additional validation of EXTERNAL_FRR_STATIC_IPV4 in individual fixtures is considered redundant since validation already occurs at the session level.

---

Learnt from: vamsikrishna-siddu
Repo: RedHatQE/openshift-virtualization-tests PR: 2199
File: tests/storage/test_online_resize.py:108-113
Timestamp: 2025-09-28T14:43:07.181Z
Learning: In the openshift-virtualization-tests repo, PR `#2199` depends on PR `#2139` which adds the OS_FLAVOR attribute to the Images.Cirros class, making Images.Cirros.OS_FLAVOR available for conditional logic in tests.

---

Learnt from: servolkov
Repo: RedHatQE/openshift-virtualization-tests PR: 1776
File: libs/net/bgp.py:133-156
Timestamp: 2025-08-16T11:40:48.360Z
Learning: In the generate_frr_conf function in libs/net/bgp.py, input validation for external_subnet_ipv4 (CIDR validation) and nodes_ipv4_list (IP validation and deduplication) is considered redundant by the maintainers, likely because inputs are already validated elsewhere or the function is used in controlled contexts.

[EdDev]

/approve

[rnetser]

/approve
/lgtm

[openshift-virtualization-qe-bot-2]

New container for quay.io/openshift-cnv/openshift-virtualization-tests:cnv-4.21 published