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35 Commits

Author SHA1 Message Date
Hannes Mehnert c7b468fe09 new command: get which downloads a unikernel and dumps it into a file 2020-07-05 21:27:44 +02:00
Hannes Mehnert 0c5af23848 vmmd: unikernel_info no longer transfers the unikernel image 
regression introduced in dfd22be62b
(which prepared dumping to a file, and restart-on-failure)
this is not desired from a bandwidth point of view, if it is
considered to be a useful feature, there should be a separate
command for it
 2020-04-25 17:12:41 +02:00
Hannes Mehnert 65693ea188 revise the "--net=yyy" argument to (optionally) contain a service:bridge 
it used to only contain service, and used the same string for the bridge. This
is not flexible enough to run off-the-shelf unikernels (configured for bridge
"service" and "management" on multi-homed servers). The old behaviour is the
new default (i.e. "--net=service" creates and attaches a tap device to bridge
"service", and passes "--net:service=tapYY" to the solo5 tender). But it is more
flexible now: "--net=service:other-bridge" will create a tap device attached to
"other-bridge" and pass "--net:service=tapYY" to the tender. This way, there's
no need to match bridge names on the actual server with network device names of
the unikernels.

NB: this is (mostly) backwards-compatible: the on-disk data structures are
versioned (and the version is bumped with this PR), an old albatross client can
send "create" commands to a new server. But a new client will get a parse error
from an old server - which is fine taking into consideration the deployment
base.
 2020-03-25 16:09:23 +01:00
Hannes Mehnert 784429744c versioning: revise it all, use a 'current' in Vmm_commands, all daemons reply with the received version on that particular stream 2019-11-11 23:20:03 +01:00
Hannes Mehnert 520eab879e minor api cleanup 2019-10-12 02:06:45 +02:00
Hannes Mehnert 58c3490782 restart on failure 2019-10-12 02:06:45 +02:00
Hannes Mehnert f81a12bc4d initial metrics 2019-10-12 02:06:38 +02:00
Hannes Mehnert 94912c21e4 changes for solo5 0.6 
-- this is a breaking change in the wire protocol
 2019-10-12 02:06:27 +02:00
Hannes Mehnert 4787b0cf1f remove unnecessary freebsd-specific teardown code (bhyvectl --destroy), since 0.6 reverted privdrop 2019-10-12 02:04:44 +02:00
Hannes Mehnert a9c32d7801 vmmd: actually, first check resources, then exec VM, then insert VM 
in case the insertion fails, raise Invalid_argument

this leads to more sane failure behaviour, and also cleans up resources in case
 vmm_resources.insert_vm fails (or cpuset/open of the fifo, create_process)
 2019-01-27 17:20:24 +01:00
Hannes Mehnert 16f06216ba vmmd: fine grained output handling, gracefully handle Failure from console 2019-01-27 16:07:53 +01:00
Hannes Mehnert 943ea45e25 vmm_vmmd, vmm_unix: compute device name (/dev/vmm/solo5-PID) in vmm_unix (depending on host OS); also destroy this device on shutdown (used to be done by solo5-hvt, but that now drops privileges and is no longer able to do this) 2019-01-20 23:02:01 +01:00
Hannes Mehnert c372c8405e vmmd: dump state (unikernel configurations) on create+destroy, restore from state on startup 2019-01-20 22:17:59 +01:00
Hannes Mehnert 1a288d2937 vmm_vmmd: pass success reply to handle_create fully applied 2019-01-20 22:09:33 +01:00
Hannes Mehnert 4d3bb777e1 vmm_vmmd: introduce and use type 'a create 2019-01-20 22:09:33 +01:00
Hannes Mehnert e58ab236b7 vmmd: lock self_destruct with a mutex, respect result of killall (nothing killed, nothing to do) 2019-01-20 22:09:33 +01:00
Hannes Mehnert d4e31da27f vmmd: setup and teardown stat by create continuation, and vmm_vmmd.handle_shutdown 2019-01-20 22:09:33 +01:00
Hannes Mehnert fdcea94a0b vmmd: store waiter, not tasks in Vmm_vmmd.t -- create task and waiter on demand (destroy / create --force), instead of at each unikernel creation 2019-01-20 22:09:33 +01:00
Hannes Mehnert 094922f6b0 vmmd: teardown gracefully (kill all vms), install SIGTERM handler to teardown 2019-01-18 01:14:11 +01:00
Hannes Mehnert 58bd77bc5f stats: pass bridge device through, vmm device name as well to allow arbitrary bhyve statistics, vmmc_local: add stats_add and stats_remove subcommands 2019-01-15 00:25:59 +01:00
Hannes Mehnert c8f1030403 rename Vm to Unikernel 2018-11-13 01:02:05 +01:00
Hannes Mehnert 85372b0c7e rework resources: now block, vms, and policies are in separate tries 2018-11-13 00:06:43 +01:00
Hannes Mehnert 2e7f2730a2 move Vm to submodule 2018-11-11 03:24:50 +01:00
Hannes Mehnert 561ba5c5df put Policy in a submodule 2018-11-11 03:09:37 +01:00
Hannes Mehnert 43379d6d9d rename Vmm_core.id to Vmm_core.Name.t and make it private - also check constructors to fit into 20 chars ldh (and in Vmm_tls max depth = 10) 2018-11-11 01:44:31 +01:00
Hannes Mehnert 6dcde8eb68 block device support 2018-11-11 00:01:56 +01:00
Hannes Mehnert 79068c8abf error logging on error in handle_command 2018-11-03 00:04:47 +01:00
Hannes Mehnert 9f674f7e6f forgot loop on this exit in add_policy 2018-11-01 01:23:45 +01:00
Hannes Mehnert 7c34c61d43 vmmd_tls needs looping behaviour after adding a policy to start vm 2018-10-31 23:03:30 +01:00
Hannes Mehnert c669be8e02 address most of @cfcs comments 2018-10-29 17:14:51 +01:00
Hannes Mehnert 2b85c65dd8 minor fixes from testing: do not require vm to be present for force-create, fix id generation in vmm_tls, use 32mb memory for unikernels by default 2018-10-28 23:06:15 +01:00
Hannes Mehnert 8ab37d6b3b resources: remove_vm and remove_policy - no need to intertwine into a single remove 2018-10-28 19:50:48 +01:00
Hannes Mehnert 7b8f2cf802 add policy does nothing when received policy is equal to stored one 2018-10-28 19:41:06 +01:00
Hannes Mehnert a60f866f70 fewer lists, read replies (to sockets) in vmmd 2018-10-26 21:30:54 +02:00
Hannes Mehnert a064c7f58e move more stuff around 2018-10-26 21:29:59 +02:00
Renamed from src/vmm_engine.ml (Browse further)