zincati

Changes:

• cargo: fix release metadata
• config: add agent timing knobs
• ci: add a clippy run to travis
• zincati: use system proxy in HTTP clients
• update_agent: make intervals state specific
• docs: update metrics example
• docs: minor fixes to release checklist

Tracker: https://github.com/coreos/zincati/milestone/5

Changes:

• updates: block downgrades, expose opt-in config
• Revert "rpm_ostree/deploy: do not error on exit code 77"
• ci: bump minimum supported Rust version to 1.38
• github: add release-checklist template

Tracker: https://github.com/coreos/zincati/milestone/4?closed=1

Changes:

• cincinnati: evaluate dead-end status for booted OS
• strategy/fleet_lock: uniform and instrument errors
• cincinnati: uniform and instrument error kinds
• docs: add configuration documentation
• fleet_lock: update protocol parameters
• identity: rename OS version metrics
• docs: visualize updates finalization
• docs: explain lock-based updates strategy
• strategy: add FleetLock cluster-wide reboot coordination
• rpm_ostree/deploy: do not error on exit code 77
• update_agent: introduce some jitter in the refresh loop
• rpm-ostree: do not update to already deployed releases
• identity: expose OS version metrics
• docs: explain phased rollouts and client wariness

Tracker: https://github.com/coreos/zincati/milestone/3?closed=1

• github: add feature template
• zincati: improve logging and metrics
• zincati: update trait object syntax
• identity: send OS checksum to Cincinnati
• identity: track rollout wariness in metrics
• dist/systemd: change binary path to /usr/libexec
• dist/systemd: don't start Zincati if booted as a live system
• identity: provide OS version to Cincinnati
• rpm_ostree: add release ordering based on age-index
• docs: update LICENSE content from apache.org
• identity: allow setting rollout wariness
• cargo: update dependencies to latest versions

Tracker: https://github.com/coreos/zincati/milestone/1?closed=1

• rpm_ostree/deploy: add faulting tests for CLI calls
• update_agent: log relevant transaction events
• rpm_ostree/finalize: record metrics
• cincinnati: drop throttle parameter
• zincati: tweak logging
• dist/systemd: delay zincati boot order
• docs: show how to tweak verbosity
• docs: show metrics usage
• cincinnati/metrics: instrument update checks
• cargo: update dependencies

• identity: introspect updates stream
• rpm_ostree/deploy: record metrics
• update_agent: add a knob to disable auto-updates logic
• rpm-ostree: improve input validation
• identity: introspect basearch
• dist: add polkit rule for rpm-ostree
• update-agent: observe state changes
• identity: update hardcoded stream

• config: use liboverdrop scanner
• config: update fedora-coreos backend URL
• zincati: add metrics collection and reporting