Ubuntu/resolute: SRU 26.2 - #7020
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…2 schema (canonical#6855) Add an autouse fixture to TestOpenNebulaNetwork that wraps gen_conf() and runs jsonschema validation against schema-network-config-v2.json on every call, so all existing tests implicitly assert schema conformance without requiring dedicated per-field type checks
Add logic to skip Debian 11 (bullseye) backports in templates. As per the Backports Policy, oldstable-backports are only available for one year after the new stable release. Since Debian 12 was released in June 2023, bullseye-backports was disabled on June 2024. This fixes apt update failures in current (2026) environments.
Adds a transitional warning when cloud-init analyze dump falls back to GNU date/gdate for timestamp parsing. The warning includes the unrecognized timestamp format and the selected binary so maintainers can collect formats that still need native Python support before removing the shell-out path. The no-GNU-date behavior is unchanged: unsupported formats still raise ValueError when neither date nor gdate is available. Fixes canonicalGH-4357
`importer.py` calls `importlib.util.find_spec()` but the file only actually imports `importlib` by itself. Up until now we've gotten away with it as something else has always imported `importlib.util` for us "by accident", but if an end consumer imports `cloud-init` as a library (i.e. `ubuntu-pro-client`) there's no guarantee that will happen. It happened in canonical#6924 so let's fix it now. Fixes canonicalGH-6924
…l#6911) Mount points containing spaces (and tabs/newlines/backslashes) are now octal-escaped (\040, \011, \012, \134) when written to /etc/fstab, so `mount -a` can parse them. Directories are still created with real characters. The escape/unescape helpers live in `cloudinit.util` and are reused by `util.mounts()`, which previously only undid `\040` for spaces and now decodes tabs, newlines and backslashes as well. Add unit tests plus a one-off integration test (`test_gh3603.py`) and document the behaviour in the `cc_mounts` examples. Fixes canonicalGH-3603
…6921) _is_iscsi_root() only detected iSCSI root from initramfs-tools klibc /run/net-*.conf files, which dracut images don't produce. Those instances fell back to IMDS and never got keep_configuration (netplan critical: true) on the primary NIC. Without it the interface can be torn down while the root filesystem is still mounted over iSCSI, stalling shutdown/reboot. Detect iSCSI root from the kernel iBFT (/sys/firmware/ibft/target*/ flags), keep klibc as a fallback, and set keep_configuration for both the klibc and IMDS paths. Fixes canonicalGH-6915
…anonical#6802) Refactor x509 certificate and SSH key handling logic from OpenSSLManager and DataSourceAzure into a new dedicated module cloudinit/sources/azure/certs.py with three utility functions: - is_openssh_formatted(): Validates OpenSSH format keys - is_x509_certificate(): Validates x509 certificates via opensslprobert - convert_x509_to_openssh(): Converts x509 certs to OpenSSH keys This refactoring maintains existing functionality without changes while preparing the codebase for upcoming work to support x509 certificates from Azure IMDS.
Bump the version in meson.build to 26.2 and update ChangeLog.
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Upstream snapshot of 26.2 into resolute for SRU
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