Changes since v3.1.4: v3.1.4...v3.2.2

Notable changes:

core logic, detection & failover:

• Support for FailMasterPromotionOnLagMinutes #1115
• introducing gracefaul-master-takeover-auto: graceful takeover where orchestrator can auto-pick new master and also start replication on demoted master.
• Better semi-sync analysis #1171, introducing NotEnoughValidSemiSyncReplicasStructureWarning
• Analysis: locked semi sync master #1175, introducing LockedSemiSyncMaster

development, build & testing:

• New CI tests: upgrade, system tests; major overhaul of testing, see pospelov-v
• script/dock to run local/system environments, tests, generate packages. See https://github.com/openark/orchestrator/blob/master/docs/docker.md
• Expect and use go1.14 #1186

various:

• Orchestrator systemd depency #1112
• Fixed ReadUnambiguousSuggestedClusterAliases logic #1161
• fix mustPromoteOtherCoMaster debug message #1162
• ascii topology: indicate errant GTID #1163
• search recoveries by cluster alias #1090
• skip AddReplicaKey if it is specified in config.Config.DiscoveryIgnoreReplicaHostnameFilters #1096
• Support HTTPS for Consul KV #1047
• Allow sorting clusters on dashboard by count, name, or alias #1054
• Display region, data center, and environment in UI #1095
• orchestrator-client: return raw JSON for api call on error #1166
• Format delays in days / hours / minutes / seconds #1184
• Skip Verify should be SSLSkipVerify Instead the mysql backend config. #1191

Terminology:

• slave->replica changes throughout the code. #1168, #1182, #1187, #1188
• API incompatibility: analysis names changes: DeadMasterAndSlaves->DeadMasterAndReplicas etc. See #1182
• Web interface to use "replica" terminology (e.g. "Stop replication" button replaces "Stop slave")
• API: transition into new terminology #1188:
  • The API for Instance now adds new terminology fields. Replicas is identical to SlaveHosts. ReplicaitonLagSeconds is identical to SlaveLagSeconds etc.
  • Users can opt to use the new naming convention. At this point I believe there is no user interaction (command line, API call, parsing API response) that forces the user to use slave terminology.
  • There is no plan at this time for deprecating old names.
  • Internally, the old names have been removed, and are only exposed in the API for backwards compatibility.

Contributions by @jhriggs, @luisyonaldo, @rluisr, @smirnov-vs, @MaxFedotov, @sjmudd, @cezmunsta , @mcrauwel , @pospelov-v, @martinarrieta - thank you!

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