[MirageOS-devel] Canopy integration with Irmin backend

[Carlos Oviedo <psxlco@xxxxxxxxxxxxxxxxxxxxxxx>]

Hello,

I'm a bit lost over here, could anyone point me to the right documentation to use the Irmin backend for Canopy instead of using a Git repository?
I have started my local Irmin Git backend (irmin init -d -v -s git) on the directory which contains my Canopy content (~/irmin-canopy-data), perhaps what I'm missing is the right remote uri path on the config.ml file, currently using "http://127.0.0.1:8080/read/home/carlos/irmin-canopy-data.git". 

When I run the unikernel and try to pull the canopy content I get the following error:

~/Canopy$ ./mir-canopy
Manager: connect
Manager: configuring
2017-02-01 14:11.06: INF [git.memory] Reading HEAD
2017-02-01 14:11.06: INF [canopy-store] pulling repository
2017-02-01 14:11.06: ERR [git.http] with_http: 500 Internal Server Error
Raised at file "pervasives.ml", line 30, characters 22-33
Called from file "src/core/lwt.ml", line 653, characters 66-69
2017-02-01 14:11.06: ERR [git.mirage] Git_mirage.IO.read_exactly: expecting 4, got 0
2017-02-01 14:11.06: WRN [canopy-store] failed pull (Failure "Git_mirage.IO.read_exactly: expecting 4, got 0")
2017-02-01 14:11.06: INF [git.memory] Reading HEAD
2017-02-01 14:11.06: INF [git.memory] Reading refs/heads/master
2017-02-01 14:11.06: INF [git.memory] Writing 4b825dc642cb6eb9a060e54bf8d69288fbee4904
Fatal error: exception (Invalid_argument ".config/uuid is required in the remote git repository")
Raised at file "src/core/lwt.ml", line 789, characters 22-23
Called from file "src/unix/lwt_main.ml", line 34, characters 8-18
Called from file "main.ml", line 203, characters 5-10

and I get the following error on the irmin terminal:

irmin: [ERROR] server error (Failure "error: read: non-empty query")

Help is much appreciated, thanks.

Kind regards

-- 
Carlos Oviedo
PhD student
Network Systems Group
University of Nottingham

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