start on README.md docs on agent protocol

README.md

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+# teeth-agent
+
+## Protocol
+
+JSON. Line Delimitated. Bi-directional. Most messages contain:
+
+* `version` Message Version - String
+* `id` Message ID - String
+
+Commands contain:
+
+* `method` Method - String
+* `params` Params - Hash of parameters to Method.
+
+Success Responses contain:
+
+* `id` Original Message ID from Command - String
+* `result` Result from Command - Hash
+
+Error Responses contain:
+
+* `id` Original Message ID from Command - String
+* `error` Result from Command - Hash, `.msg` contains human readable error.  Other fields might come later.
+
+Fatal Error:
+
+* `fatal_error` - String - Fatal error message;  Connection should be closed.
+
+
+### Commands
+
+#### All Protocol Implementations.
+
+* `ping`: (All) Params are echo'ed back as results.
+
+#### Agent specific Commands
+
+* `log`: (Agent->Server) Log a structured message from the Agent.
+* `status`: (Server->Agent) Uptime, version, and other fields reported.
+
+#### Decommission
+
+* `decom.disk_erase`: (Server->Agent) Erase all attached block devices securely.
+* `decom.firmware_secure`: (Server->Agent) Update Firmwares/BIOS versions and settings.
+* `decom.qc`: (Server->Agent) Run quality control checks on chassis model. Includes sending specifications of chassis (cpu types, disks, etc)
+
+
+#### Standbye
+
+* `standbye.cache_images`: (Server->Agent) Cache an set of image UUID on local storage.  Ordered in priority, chassis may only cache a subset depending on local storage.
+* `standbye.prepare_image`: (Server->Agent) Prepare a image UUID to be ran.
+* `standbye.run_image`: (Server->Agent) Run an image UUID.  Must include Config Drive Settings.  Agent will write config drive, and setup grub.  If the Agent can detect a viable kexec target it will kexec into it, otherwise reboot.
+
+
+
+
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