albatross/app/vmmp_request.ml

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(* (c) 2017, 2018 Hannes Mehnert, all rights reserved *)
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open Vmm_provision
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open Vmm_asn
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open Rresult.R.Infix
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let version = `AV2
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let csr priv name cmd =
let exts = [ (false, `Unsupported (oid, cert_extension_to_cstruct (version, cmd))) ]
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and name = [ `CN name ]
in
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X509.CA.request name ~extensions:[`Extensions exts] priv
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let jump id cmd =
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Nocrypto_entropy_unix.initialize () ;
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let name = Vmm_core.string_of_id id in
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match
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priv_key None name >>= fun priv ->
let csr = csr priv name cmd in
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let enc = X509.Encoding.Pem.Certificate_signing_request.to_pem_cstruct1 csr in
Bos.OS.File.write Fpath.(v name + ".req") (Cstruct.to_string enc)
with
| Ok () -> `Ok ()
| Error (`Msg m) -> `Error (false, m)
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let info_ _ name = jump name (`Vm_cmd `Vm_info)
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let info_policy _ name =
jump name (`Policy_cmd `Policy_info)
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let remove_policy _ name =
jump name (`Policy_cmd `Policy_remove)
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let add_policy _ name vms memory cpus block bridges =
let p = Vmm_cli.policy vms memory cpus block bridges in
jump name (`Policy_cmd (`Policy_add p))
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let destroy _ name =
jump name (`Vm_cmd `Vm_destroy)
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let create _ force name image cpuid requested_memory boot_params block_device network compression =
match Vmm_cli.create_vm force image cpuid requested_memory boot_params block_device network compression with
| Ok cmd -> jump name (`Vm_cmd cmd)
| Error (`Msg msg) -> `Error (false, msg)
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let console _ name since =
jump name (`Console_cmd (`Console_subscribe since))
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let stats _ name =
jump name (`Stats_cmd `Stats_subscribe)
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let event_log _ name since =
jump name (`Log_cmd (`Log_subscribe since))
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let help _ man_format cmds = function
| None -> `Help (`Pager, None)
| Some t when List.mem t cmds -> `Help (man_format, Some t)
| Some _ -> List.iter print_endline cmds; `Ok ()
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open Cmdliner
open Vmm_cli
let image =
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let doc = "File of virtual machine image." in
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Arg.(required & pos 1 (some file) None & info [] ~doc ~docv:"IMAGE")
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let vm_name =
let doc = "Name virtual machine." in
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Arg.(required & pos 0 (some vm_c) None & info [] ~doc ~docv:"VM")
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let destroy_cmd =
let doc = "destroys a virtual machine" in
let man =
[`S "DESCRIPTION";
`P "Destroy a virtual machine."]
in
Term.(ret (const destroy $ setup_log $ vm_name)),
Term.info "destroy" ~doc ~man
let remove_policy_cmd =
let doc = "removes a policy" in
let man =
[`S "DESCRIPTION";
`P "Removes a policy."]
in
Term.(ret (const remove_policy $ setup_log $ opt_vm_name)),
Term.info "remove_policy" ~doc ~man
let info_cmd =
let doc = "information about VMs" in
let man =
[`S "DESCRIPTION";
`P "Shows information about VMs."]
in
Term.(ret (const info_ $ setup_log $ opt_vm_name)),
Term.info "info" ~doc ~man
let policy_cmd =
let doc = "active policies" in
let man =
[`S "DESCRIPTION";
`P "Shows information about policies."]
in
Term.(ret (const info_policy $ setup_log $ opt_vm_name)),
Term.info "policy" ~doc ~man
let add_policy_cmd =
let doc = "Add a policy" in
let man =
[`S "DESCRIPTION";
`P "Adds a policy."]
in
Term.(ret (const add_policy $ setup_log $ opt_vm_name $ vms $ mem $ cpus $ block_size $ bridge)),
Term.info "add_policy" ~doc ~man
let create_cmd =
let doc = "creates a virtual machine" in
let man =
[`S "DESCRIPTION";
`P "Creates a virtual machine."]
in
Term.(ret (const create $ setup_log $ force $ vm_name $ image $ cpu $ vm_mem $ args $ block $ net $ compress_level)),
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Term.info "create" ~doc ~man
let console_cmd =
let doc = "console of a VM" in
let man =
[`S "DESCRIPTION";
`P "Shows console output of a VM."]
in
Term.(ret (const console $ setup_log $ vm_name $ since)),
Term.info "console" ~doc ~man
let stats_cmd =
let doc = "statistics of VMs" in
let man =
[`S "DESCRIPTION";
`P "Shows statistics of VMs."]
in
Term.(ret (const stats $ setup_log $ opt_vm_name)),
Term.info "stats" ~doc ~man
let log_cmd =
let doc = "Event log" in
let man =
[`S "DESCRIPTION";
`P "Shows event log of VM."]
in
Term.(ret (const event_log $ setup_log $ opt_vm_name $ since)),
Term.info "log" ~doc ~man
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let help_cmd =
let topic =
let doc = "The topic to get help on. `topics' lists the topics." in
Arg.(value & pos 0 (some string) None & info [] ~docv:"TOPIC" ~doc)
in
let doc = "display help about vmmc" in
let man =
[`S "DESCRIPTION";
`P "Prints help about albatross local client commands and subcommands"]
in
Term.(ret (const help $ setup_log $ Term.man_format $ Term.choice_names $ topic)),
Term.info "help" ~doc ~man
let default_cmd =
let doc = "VMM local client" in
let man = [
`S "DESCRIPTION" ;
`P "$(tname) connects to vmmd via a local socket" ]
in
Term.(ret (const help $ setup_log $ Term.man_format $ Term.choice_names $ Term.pure None)),
Term.info "vmmc_local" ~version:"%%VERSION_NUM%%" ~doc ~man
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let cmds = [ help_cmd ; info_cmd ; policy_cmd ; remove_policy_cmd ; add_policy_cmd ; destroy_cmd ; create_cmd ; console_cmd ; stats_cmd ; log_cmd ]
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let () =
match Term.eval_choice default_cmd cmds
with `Ok () -> exit 0 | _ -> exit 1