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Firecracker Snapshots Support #448

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Implemented resume and pause call chain. 
Signed-off-by: Plamen Petrov <plamb0brt@gmail.com>
  • Loading branch information
plamenmpetrov committed Sep 22, 2020
commit 4bb428dfafb4b435d1dcb4ff8fa0c972b6df6e34
36 changes: 36 additions & 0 deletions firecracker-control/local.go
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Original file line number Diff line number Diff line change
Expand Up @@ -463,3 +463,39 @@ func setShimOOMScore(shimPid int) error {

return nil
}

// PauseVM Pauses a VM
func (s *local) PauseVM(ctx context.Context, req *proto.PauseVMRequest) (*empty.Empty, error) {
client, err := s.shimFirecrackerClient(ctx, req.VMID)
if err != nil {
return nil, err
}

defer client.Close()

resp, err := client.PauseVM(ctx, req)
if err != nil {
s.logger.WithError(err).Error()
return nil, err
}

return resp, nil
}

// ResumeVM Resumes a VM
func (s *local) ResumeVM(ctx context.Context, req *proto.ResumeVMRequest) (*empty.Empty, error) {
client, err := s.shimFirecrackerClient(ctx, req.VMID)
if err != nil {
return nil, err
}

defer client.Close()

resp, err := client.ResumeVM(ctx, req)
if err != nil {
s.logger.WithError(err).Error()
return nil, err
}

return resp, nil
}
10 changes: 10 additions & 0 deletions firecracker-control/service.go
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Original file line number Diff line number Diff line change
Expand Up @@ -96,3 +96,13 @@ func (s *service) GetVMMetadata(ctx context.Context, req *proto.GetVMMetadataReq
log.G(ctx).Debug("Getting vm metadata")
return s.local.GetVMMetadata(ctx, req)
}

func (s *service) PauseVM(ctx context.Context, req *proto.PauseVMRequest) (*empty.Empty, error) {
log.G(ctx).Debugf("pause VM request: %+v", req)
return s.local.PauseVM(ctx, req)
}

func (s *service) ResumeVM(ctx context.Context, req *proto.ResumeVMRequest) (*empty.Empty, error) {
log.G(ctx).Debugf("resume VM request: %+v", req)
return s.local.ResumeVM(ctx, req)
}
1 change: 1 addition & 0 deletions go.mod
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Original file line number Diff line number Diff line change
Expand Up @@ -40,6 +40,7 @@ require (
github.com/sirupsen/logrus v1.6.0
github.com/stretchr/testify v1.6.1
github.com/syndtr/gocapability v0.0.0-20180916011248-d98352740cb2 // indirect
github.com/tv42/httpunix v0.0.0-20191220191345-2ba4b9c3382c
github.com/urfave/cli v1.20.0 // indirect
github.com/vishvananda/netlink v1.1.0
go.etcd.io/bbolt v1.3.1-etcd.8 // indirect
Expand Down
20 changes: 20 additions & 0 deletions go.sum
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Original file line number Diff line number Diff line change
Expand Up @@ -320,6 +320,8 @@ github.com/syndtr/gocapability v0.0.0-20180916011248-d98352740cb2 h1:b6uOv7YOFK0
github.com/syndtr/gocapability v0.0.0-20180916011248-d98352740cb2/go.mod h1:hkRG7XYTFWNJGYcbNJQlaLq0fg1yr4J4t/NcTQtrfww=
github.com/tidwall/pretty v1.0.0 h1:HsD+QiTn7sK6flMKIvNmpqz1qrpP3Ps6jOKIKMooyg4=
github.com/tidwall/pretty v1.0.0/go.mod h1:XNkn88O1ChpSDQmQeStsy+sBenx6DDtFZJxhVysOjyk=
github.com/tv42/httpunix v0.0.0-20191220191345-2ba4b9c3382c h1:u6SKchux2yDvFQnDHS3lPnIRmfVJ5Sxy3ao2SIdysLQ=
github.com/tv42/httpunix v0.0.0-20191220191345-2ba4b9c3382c/go.mod h1:hzIxponao9Kjc7aWznkXaL4U4TWaDSs8zcsY4Ka08nM=
github.com/urfave/cli v1.20.0 h1:fDqGv3UG/4jbVl/QkFwEdddtEDjh/5Ov6X+0B/3bPaw=
github.com/urfave/cli v1.20.0/go.mod h1:70zkFmudgCuE/ngEzBv17Jvp/497gISqfk5gWijbERA=
github.com/vishvananda/netlink v0.0.0-20181108222139-023a6dafdcdf h1:3J37+NPjNyGW/dbfXtj3yWuF9OEepIdGOXRaJGbORV8=
Expand Down Expand Up @@ -350,8 +352,15 @@ golang.org/x/crypto v0.0.0-20190530122614-20be4c3c3ed5/go.mod h1:yigFU9vqHzYiE8U
golang.org/x/crypto v0.0.0-20190611184440-5c40567a22f8/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
golang.org/x/crypto v0.0.0-20190617133340-57b3e21c3d56 h1:ZpKuNIejY8P0ExLOVyKhb0WsgG8UdvHXe6TWjY7eL6k=
golang.org/x/crypto v0.0.0-20190617133340-57b3e21c3d56/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550 h1:ObdrDkeb4kJdCP557AjRjq69pTHfNouLtWZG7j9rPN8=
golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
golang.org/x/lint v0.0.0-20180702182130-06c8688daad7/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
golang.org/x/lint v0.0.0-20190313153728-d0100b6bd8b3 h1:XQyxROzUlZH+WIQwySDgnISgOivlhjIEwaQaJEJrrN0=
golang.org/x/lint v0.0.0-20190313153728-d0100b6bd8b3/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
golang.org/x/lint v0.0.0-20200302205851-738671d3881b h1:Wh+f8QHJXR411sJR8/vRBTZ7YapZaRvUcLFFJhusH0k=
golang.org/x/lint v0.0.0-20200302205851-738671d3881b/go.mod h1:3xt1FjdF8hUf6vQPIChWIBhFzV8gjjsPE/fR3IyQdNY=
golang.org/x/mod v0.1.1-0.20191105210325-c90efee705ee/go.mod h1:QqPTAvyqsEbceGzBzNggFXnrqF1CaUcvgkdR5Ot7KZg=
golang.org/x/mod v0.2.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20180926154720-4dfa2610cdf3/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20181005035420-146acd28ed58/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
Expand All @@ -364,6 +373,7 @@ golang.org/x/net v0.0.0-20190328230028-74de082e2cca h1:hyA6yiAgbUwuWqtscNvWAI7U1
golang.org/x/net v0.0.0-20190328230028-74de082e2cca/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
golang.org/x/net v0.0.0-20190613194153-d28f0bde5980/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20190827160401-ba9fcec4b297 h1:k7pJ2yAPLPgbskkFdhRCsA77k2fySZ1zf2zCjvQCiIM=
golang.org/x/net v0.0.0-20190827160401-ba9fcec4b297/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20200226121028-0de0cce0169b/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
Expand All @@ -377,6 +387,8 @@ golang.org/x/sync v0.0.0-20190227155943-e225da77a7e6/go.mod h1:RxMgew5VJxzue5/jJ
golang.org/x/sync v0.0.0-20190412183630-56d357773e84/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.0.0-20190423024810-112230192c58 h1:8gQV6CLnAEikrhgkHFbMAEhagSSnXWGV915qUMm9mrU=
golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e h1:vcxGaoTs7kV8m5Np9uUNQin4BrLOthgV7252N8V+FwY=
golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20180905080454-ebe1bf3edb33/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20180928133829-e4b3c5e90611/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
Expand Down Expand Up @@ -415,7 +427,15 @@ golang.org/x/tools v0.0.0-20190416151739-9c9e1878f421/go.mod h1:LCzVGOaR6xXOjkQ3
golang.org/x/tools v0.0.0-20190420181800-aa740d480789/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
golang.org/x/tools v0.0.0-20190531172133-b3315ee88b7d/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc=
golang.org/x/tools v0.0.0-20190614205625-5aca471b1d59/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc=
golang.org/x/tools v0.0.0-20190617190820-da514acc4774 h1:CQVOmarCBFzTx0kbOU0ru54Cvot8SdSrNYjZPhQl+gk=
golang.org/x/tools v0.0.0-20190617190820-da514acc4774/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc=
golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
golang.org/x/tools v0.0.0-20200130002326-2f3ba24bd6e7/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
golang.org/x/tools v0.0.0-20200615222825-6aa8f57aacd9 h1:cwgUY+1ja2qxWb2dyaCoixaA66WGWmrijSlxaM+JM/g=
golang.org/x/tools v0.0.0-20200615222825-6aa8f57aacd9/go.mod h1:EkVYQZoAsY45+roYkvgYkIh4xh/qjgUK9TdY2XT94GE=
golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
google.golang.org/genproto v0.0.0-20181109154231-b5d43981345b h1:WkFtVmaZoTRVoRYr0LTC9SYNhlw0X0HrVPz2OVssVm4=
Expand Down
80 changes: 79 additions & 1 deletion proto/firecracker.pb.go
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6 changes: 6 additions & 0 deletions proto/service/fccontrol/fccontrol.proto
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Original file line number Diff line number Diff line change
Expand Up @@ -24,4 +24,10 @@ service Firecracker {

// Get Vm's instance metadata
rpc GetVMMetadata(GetVMMetadataRequest) returns (GetVMMetadataResponse);

// Pauses a VM
rpc PauseVM(PauseVMRequest) returns (google.protobuf.Empty);

// Resumes a VM
rpc ResumeVM(ResumeVMRequest) returns (google.protobuf.Empty);
}
46 changes: 40 additions & 6 deletions proto/service/fccontrol/ttrpc/fccontrol.pb.go
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