88 lines
2.8 KiB
OCaml
88 lines
2.8 KiB
OCaml
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open Rresult.R.Infix
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let pp_error ppf = function
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| #Caqti_error.load_or_connect | #Caqti_error.call_or_retrieve as e ->
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Caqti_error.pp ppf e
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| `Wrong_version (application_id, user_version) ->
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Format.fprintf ppf "wrong version { application_id: %ld, user_version: %Ld }"
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application_id user_version
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let or_die exit_code = function
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| Ok r -> r
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| Error e ->
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Format.eprintf "Database error: %a" pp_error e;
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exit exit_code
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let do_database_action action () dbpath =
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Logs.debug (fun m -> m "Connecting to database...");
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let ((module Db : Caqti_blocking.CONNECTION) as conn) =
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Caqti_blocking.connect
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(Uri.make ~scheme:"sqlite3" ~path:dbpath ~query:["create", ["false"]] ())
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|> or_die 1
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in
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Logs.debug (fun m -> m "Connected!");
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let r =
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Db.start () >>= fun () ->
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Logs.debug (fun m -> m "Started database transaction");
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match action conn with
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| Ok () ->
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Logs.debug (fun m -> m "Committing database transaction");
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Db.commit ()
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| Error _ as e ->
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Logs.debug (fun m -> m "Rolling back database transaction");
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Db.rollback () >>= fun () ->
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e
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in
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or_die 2 r
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let help man_format migrations = function
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| None -> `Help (man_format, None)
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| Some migration ->
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if List.mem migration migrations
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then `Help (man_format, Some migration)
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else `Error (true, "Unknown migration: " ^ migration)
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let dbpath =
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let doc = "sqlite3 database path" in
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Cmdliner.Arg.(value &
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opt non_dir_file "/var/db/builder-web/builder.sqlite3" &
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info ~doc ["dbpath"])
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let setup_log =
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let setup_log level =
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Logs.set_level level;
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Logs.set_reporter (Logs_fmt.reporter ~dst:Format.std_formatter ());
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in
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Cmdliner.Term.(const setup_log $ Logs_cli.level ())
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let m20210126 =
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let doc = "Adds a column 'main_binary' in 'build' (2021-01-26)" in
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Cmdliner.Term.(const do_database_action $ const M20210126.migrate $ setup_log $ dbpath),
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Cmdliner.Term.info ~doc "migrate-2021-01-26"
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let r20210126 =
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let doc = "Rollback 'main_binary' in 'build' (2021-01-26)" in
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Cmdliner.Term.(const do_database_action $ const M20210126.rollback $ setup_log $ dbpath),
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Cmdliner.Term.info ~doc "rollback-2021-01-26"
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let help_cmd =
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let topic =
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let doc = "Migration to get help on" in
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Cmdliner.Arg.(value & pos 0 (some string) None & info ~doc ~docv:"MIGRATION" [])
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in
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let doc = "Builder migration help" in
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Cmdliner.Term.(ret (const help $ man_format $ choice_names $ topic)),
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Cmdliner.Term.info ~doc "help"
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let default_cmd =
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let doc = "Builder migration command" in
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Cmdliner.Term.(ret (const help $ man_format $ choice_names $ const None)),
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Cmdliner.Term.info ~doc "builder-migrations"
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let () =
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Cmdliner.Term.eval_choice
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default_cmd
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[help_cmd;
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m20210126; r20210126]
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|> Cmdliner.Term.exit
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