ci: add Linux rootless and rootful Podman to e2e test matrix

[skevetter]

Summary

• Add two Linux Podman entries to the e2e CI matrix: rootless and rootful modes
• Rootless: installs Podman via apt, runs as current user
• Rootful: installs Podman, starts root socket service, sets DOCKER_HOST and forwards it through sudo env passthrough
• Job name template includes Podman mode for distinct CI display names (e.g., "Test up-provider-podman (rootless) on ubuntu-latest")
• Uses socket poll instead of sleep for rootful service readiness

Summary by CodeRabbit

• Chores
  • Updated continuous integration workflow configuration to enhance testing capabilities.

[netlify]

✅ Deploy Preview for devsydev canceled.

Name	Link
🔨 Latest commit	f31778c
🔍 Latest deploy log	https://app.netlify.com/projects/devsydev/deploys/6a04fad6dcee2b0008cfb170

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro

Run ID: 68aceb89-ce68-4f51-ba16-8c92f8af6df2

📥 Commits

Reviewing files that changed from the base of the PR and between 16a4d5e and f31778c.

📒 Files selected for processing (1)

• .github/workflows/pr-ci.yml

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📝 Walkthrough

Walkthrough

The PR updates the CI workflow to support Podman installation in both rootless and rootful modes. The integration-tests job matrix is expanded with install-podman entries, job display names conditionally show the mode, and new Linux setup steps install Podman with mode-specific configuration before running tests.

Changes

Podman installation modes in integration tests

Layer / File(s)	Summary
Matrix configuration and job display name .github/workflows/pr-ci.yml	The integration-tests job matrix entries for up-provider-podman are split to include install-podman: rootless and install-podman: rootful options with adjusted install-kind values. Job display name now conditionally appends the podman mode suffix when matrix.install-podman is set.
Podman installation and environment setup .github/workflows/pr-ci.yml	New conditional steps for Linux install Podman in rootless mode (with podman info check) or rootful mode (with podman.socket enablement, readiness wait, and DOCKER_HOST environment variable). Test execution conditionally injects DOCKER_HOST into the sudo environment when present.

🎯 2 (Simple) | ⏱️ ~10 minutes

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title accurately summarizes the main change: adding Linux rootless and rootful Podman configurations to the CI test matrix.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

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