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LucaRoccoLucaRocco
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Add a first implementation of a per-node resources plugin which tries to reproduce the liqo's behavoir to calculate the available/used resources
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+644
-5
lines changed

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+644
-5
lines changed

‎cmd/per-node-resources/doc.go

+16
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,16 @@
1+
// Copyright 2019-2022 The Liqo Authors
2+
//
3+
// Licensed under the Apache License, Version 2.0 (the "License");
4+
// you may not use this file except in compliance with the License.
5+
// You may obtain a copy of the License at
6+
//
7+
// http://www.apache.org/licenses/LICENSE-2.0
8+
//
9+
// Unless required by applicable law or agreed to in writing, software
10+
// distributed under the License is distributed on an "AS IS" BASIS,
11+
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12+
// See the License for the specific language governing permissions and
13+
// limitations under the License.
14+
15+
// Package main bootstraps the main plugin
16+
package main

‎cmd/per-node-resources/main.go

+41
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,41 @@
1+
package main
2+
3+
import (
4+
"flag"
5+
"os"
6+
"time"
7+
8+
"github.com/spf13/cobra"
9+
"k8s.io/client-go/kubernetes"
10+
ctrl "sigs.k8s.io/controller-runtime"
11+
12+
grpcserver "github.com/liqotech/liqo-resource-plugins/pkg/per-node-resources"
13+
"github.com/liqotech/liqo/pkg/utils/restcfg"
14+
)
15+
16+
func main() {
17+
var port int
18+
var nodesToIgnore []string
19+
20+
var rootCmd = &cobra.Command{
21+
Use: os.Args[0],
22+
Short: "Liqo plugin which provides fixed resources to each remote cluster",
23+
SilenceUsage: true,
24+
RunE: func(cmd *cobra.Command, args []string) error {
25+
resyncPeriod := flag.Duration("resync-period", 10*time.Hour, "The resync period for the informers")
26+
config := restcfg.SetRateLimiter(ctrl.GetConfigOrDie())
27+
clientset := kubernetes.NewForConfigOrDie(config)
28+
29+
return grpcserver.ListenAndServeGRPCServer(port, clientset, *resyncPeriod, nodesToIgnore)
30+
},
31+
}
32+
33+
rootCmd.PersistentFlags().IntVar(&port, "port", 6001, "set port where the server will listen on.")
34+
rootCmd.PersistentFlags().StringSliceVar(&nodesToIgnore, "ignore-node",
35+
make([]string, 0), "node's name to ignore. You can use this flag multiple times.")
36+
37+
err := rootCmd.Execute()
38+
if err != nil {
39+
os.Exit(1)
40+
}
41+
}

‎go.mod

+21-4
Original file line numberDiff line numberDiff line change
@@ -9,6 +9,22 @@ require (
99
k8s.io/apimachinery v0.25.3
1010
)
1111

12+
require (
13+
github.com/beorn7/perks v1.0.1 // indirect
14+
github.com/cespare/xxhash/v2 v2.1.2 // indirect
15+
github.com/fsnotify/fsnotify v1.5.4 // indirect
16+
github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
17+
github.com/google/uuid v1.3.0 // indirect
18+
github.com/matttproud/golang_protobuf_extensions v1.0.2 // indirect
19+
github.com/prometheus/client_golang v1.13.0 // indirect
20+
github.com/prometheus/client_model v0.2.0 // indirect
21+
github.com/prometheus/common v0.37.0 // indirect
22+
github.com/prometheus/procfs v0.8.0 // indirect
23+
gomodules.xyz/jsonpatch/v2 v2.2.0 // indirect
24+
k8s.io/apiextensions-apiserver v0.25.2 // indirect
25+
k8s.io/component-base v0.25.3 // indirect
26+
)
27+
1228
require (
1329
github.com/davecgh/go-spew v1.1.1 // indirect
1430
github.com/emicklei/go-restful/v3 v3.9.0 // indirect
@@ -46,14 +62,15 @@ require (
4662
gopkg.in/inf.v0 v0.9.1 // indirect
4763
gopkg.in/yaml.v2 v2.4.0 // indirect
4864
gopkg.in/yaml.v3 v3.0.1 // indirect
49-
k8s.io/api v0.25.3 // indirect
50-
k8s.io/client-go v0.25.3 // indirect
65+
k8s.io/api v0.25.3
66+
k8s.io/client-go v0.25.3
67+
k8s.io/klog v1.0.0
5168
k8s.io/klog/v2 v2.80.1 // indirect
5269
k8s.io/kube-openapi v0.0.0-20220928191237-829ce0c27909 // indirect
53-
k8s.io/kubectl v0.25.3 // indirect
70+
k8s.io/kubectl v0.25.3
5471
k8s.io/metrics v0.25.3 // indirect
5572
k8s.io/utils v0.0.0-20220922133306-665eaaec4324 // indirect
56-
sigs.k8s.io/controller-runtime v0.13.0 // indirect
73+
sigs.k8s.io/controller-runtime v0.13.0
5774
sigs.k8s.io/json v0.0.0-20220713155537-f223a00ba0e2 // indirect
5875
sigs.k8s.io/structured-merge-diff/v4 v4.2.3 // indirect
5976
sigs.k8s.io/yaml v1.3.0 // indirect

‎go.sum

+12-1
Original file line numberDiff line numberDiff line change
@@ -75,7 +75,6 @@ github.com/blang/semver v3.5.0+incompatible/go.mod h1:kRBLl5iJ+tD4TcOOxsy/0fnweb
7575
github.com/bombsimon/logrusr v1.0.0/go.mod h1:Jq0nHtvxabKE5EMwAAdgTaz7dfWE8C4i11NOltxGQpc=
7676
github.com/buger/jsonparser v1.1.1/go.mod h1:6RYKKt7H4d4+iWqouImQ9R2FZql3VbhNgx27UK13J/0=
7777
github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
78-
github.com/cespare/xxhash v1.1.0 h1:a6HrQnmkObjyL+Gs60czilIUGqrzKutQD6XZog3p+ko=
7978
github.com/cespare/xxhash v1.1.0/go.mod h1:XrSqR1VqqWfGrhpAt58auRo0WTKS1nRRg3ghfAqPWnc=
8079
github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
8180
github.com/cespare/xxhash/v2 v2.1.2 h1:YRXhKfTDauu4ajMg1TPgFO5jnlC2HCbmLXMcTG5cbYE=
@@ -126,15 +125,18 @@ github.com/envoyproxy/go-control-plane v0.9.4/go.mod h1:6rpuAdCZL397s3pYoYcLgu1m
126125
github.com/envoyproxy/go-control-plane v0.9.9-0.20201210154907-fd9021fe5dad/go.mod h1:cXg6YxExXjJnVBQHBLXeUAgxn2UodCpnH306RInaBQk=
127126
github.com/envoyproxy/go-control-plane v0.9.9-0.20210512163311-63b5d3c536b0/go.mod h1:hliV/p42l8fGbc6Y9bQ70uLwIvmJyVE5k4iMKlh8wCQ=
128127
github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
128+
github.com/evanphx/json-patch v0.5.2/go.mod h1:ZWS5hhDbVDyob71nXKNL0+PWn6ToqBHMikGIFbs31qQ=
129129
github.com/evanphx/json-patch v4.5.0+incompatible/go.mod h1:50XU6AFN0ol/bzJsmQLiYLvXMP4fmwYFNcr97nuDLSk=
130130
github.com/evanphx/json-patch v4.9.0+incompatible/go.mod h1:50XU6AFN0ol/bzJsmQLiYLvXMP4fmwYFNcr97nuDLSk=
131+
github.com/evanphx/json-patch v5.6.0+incompatible h1:jBYDEEiFBPxA0v50tFdvOzQQTCvpL6mnFh5mB2/l16U=
131132
github.com/evanphx/json-patch/v5 v5.6.0 h1:b91NhWfaz02IuVxO9faSllyAtNXHMPkC5J8sJCLunww=
132133
github.com/evanphx/json-patch/v5 v5.6.0/go.mod h1:G79N1coSVB93tBe7j6PhzjmR3/2VvlbKOFpnXhI9Bw4=
133134
github.com/fatih/color v1.7.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5KwzbycvMj4=
134135
github.com/flowstack/go-jsonschema v0.1.1/go.mod h1:yL7fNggx1o8rm9RlgXv7hTBWxdBM0rVwpMwimd3F3N0=
135136
github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
136137
github.com/fsnotify/fsnotify v1.4.9/go.mod h1:znqG4EE+3YCdAaPaxE2ZRY/06pZUdp0tY4IgpuI1SZQ=
137138
github.com/fsnotify/fsnotify v1.5.4 h1:jRbGcIw6P2Meqdwuo0H1p6JVLbL5DHKAKlYndzMwVZI=
139+
github.com/fsnotify/fsnotify v1.5.4/go.mod h1:OVB6XrOHzAwXMpEM7uPOzcehqUV2UqJxmVXmkdnm1bU=
138140
github.com/ghodss/yaml v0.0.0-20150909031657-73d445a93680/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04=
139141
github.com/ghodss/yaml v1.0.0/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04=
140142
github.com/globalsign/mgo v0.0.0-20180905125535-1ca0a4f7cbcb/go.mod h1:xkRDCp4j0OGD1HRkm4kmhM+pmpv3AKq5SU7GMg4oO/Q=
@@ -220,6 +222,7 @@ github.com/golang/groupcache v0.0.0-20190702054246-869f871628b6/go.mod h1:cIg4er
220222
github.com/golang/groupcache v0.0.0-20191227052852-215e87163ea7/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
221223
github.com/golang/groupcache v0.0.0-20200121045136-8c9f03a8e57e/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
222224
github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da h1:oI5xCqsCo564l8iNU+DwB5epxmsaqB+rhGL0m5jtYqE=
225+
github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
223226
github.com/golang/mock v1.1.1/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A=
224227
github.com/golang/mock v1.2.0/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A=
225228
github.com/golang/mock v1.3.1/go.mod h1:sBzyDLLjw3U8JLTeZvSv8jJB+tU5PVekmnlKIyFUx0Y=
@@ -280,6 +283,7 @@ github.com/google/uuid v1.0.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+
280283
github.com/google/uuid v1.1.1/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
281284
github.com/google/uuid v1.1.2/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
282285
github.com/google/uuid v1.3.0 h1:t6JiXgmwXMjEs8VusXIJk2BXHsn+wx8BZdTaoZ5fu7I=
286+
github.com/google/uuid v1.3.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
283287
github.com/googleapis/gax-go/v2 v2.0.4/go.mod h1:0Wqv26UfaUD9n4G6kQubkQ+KchISgw+vpHVxEJEs9eg=
284288
github.com/googleapis/gax-go/v2 v2.0.5/go.mod h1:DWXyrwAJ9X0FpwwEdw+IPEYBICEFu5mhpdKc/us6bOk=
285289
github.com/googleapis/gnostic v0.4.1/go.mod h1:LRhVm6pbyptWbWbuZ38d1eyptfvIytN3ir6b65WBswg=
@@ -357,6 +361,7 @@ github.com/mattn/go-runewidth v0.0.2/go.mod h1:LwmH8dsx7+W8Uxz3IHJYH5QSwggIsqBzp
357361
github.com/matttproud/golang_protobuf_extensions v1.0.1/go.mod h1:D8He9yQNgCq6Z5Ld7szi9bcBfOoFv/3dc6xSMkL2PC0=
358362
github.com/matttproud/golang_protobuf_extensions v1.0.2-0.20181231171920-c182affec369/go.mod h1:BSXmuO+STAnVfrANrmjBb36TMTDstsz7MSK+HVaYKv4=
359363
github.com/matttproud/golang_protobuf_extensions v1.0.2 h1:hAHbPm5IJGijwng3PWk09JkG9WeqChjprR5s9bBZ+OM=
364+
github.com/matttproud/golang_protobuf_extensions v1.0.2/go.mod h1:BSXmuO+STAnVfrANrmjBb36TMTDstsz7MSK+HVaYKv4=
360365
github.com/miekg/dns v1.1.50 h1:DQUfb9uc6smULcREF09Uc+/Gd46YWqJd5DbpPE9xkcA=
361366
github.com/mitchellh/go-homedir v1.1.0/go.mod h1:SfyaCUpYCn1Vlf4IUYiD9fPX4A5wJrkLzIz1N1q0pr0=
362367
github.com/mitchellh/mapstructure v1.1.2/go.mod h1:FVVH3fgwuzCH5S8UJGiWEs2h04kUh9fWfEaFds41c1Y=
@@ -510,6 +515,7 @@ go.uber.org/atomic v1.4.0/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE=
510515
go.uber.org/atomic v1.6.0/go.mod h1:sABNBOSYdrvTF6hTgEIbc7YasKWGhgEQZyfxyTvoXHQ=
511516
go.uber.org/atomic v1.10.0 h1:9qC72Qh0+3MqyJbAn8YU5xVq1frD8bn3JtD2oXtafVQ=
512517
go.uber.org/goleak v1.1.10/go.mod h1:8a7PlsEVH3e/a/GLqe5IIrQx6GzcnRmZEufDUTk4A7A=
518+
go.uber.org/goleak v1.2.0 h1:xqgm/S+aQvhWFTtR0XK3Jvg7z8kGV8P4X14IzwN3Eqk=
513519
go.uber.org/multierr v1.1.0/go.mod h1:wR5kodmAFQ0UK8QlbwjlSNy0Z68gJhDJUG5sjR94q/0=
514520
go.uber.org/multierr v1.5.0/go.mod h1:FeouvMocqHpRaaGuG9EjoKcStLC43Zu/fmqdUMPcKYU=
515521
go.uber.org/multierr v1.8.0 h1:dg6GjLku4EH+249NNmoIciG9N/jURbDG+pFlTkhzIC8=
@@ -679,6 +685,7 @@ golang.org/x/sys v0.0.0-20210603081109-ebe580a85c40/go.mod h1:oPkhp1MJrh7nUepCBc
679685
golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
680686
golang.org/x/sys v0.0.0-20211216021012-1d35b9e2eb4e/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
681687
golang.org/x/sys v0.0.0-20220114195835-da31bd327af9/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
688+
golang.org/x/sys v0.0.0-20220412211240-33da011f77ad/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
682689
golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
683690
golang.org/x/sys v0.1.0 h1:kunALQeHf1/185U1i0GOB/fy1IPRDDpuoOOqRReG57U=
684691
golang.org/x/sys v0.1.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
@@ -763,6 +770,7 @@ golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8T
763770
golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
764771
gomodules.xyz/jsonpatch/v2 v2.1.0/go.mod h1:IhYNNY4jnS53ZnfE4PAmpKtDpTCj1JFXc+3mwe7XcUU=
765772
gomodules.xyz/jsonpatch/v2 v2.2.0 h1:4pT439QV83L+G9FkcCriY6EkpcK6r6bK+A5FBUMI7qY=
773+
gomodules.xyz/jsonpatch/v2 v2.2.0/go.mod h1:WXp+iVDkoLQqPudfQ9GBlwB2eZ5DKOnjQZCYdOS8GPY=
766774
google.golang.org/api v0.4.0/go.mod h1:8k5glujaEP+g9n7WNsDg8QP6cUVNI86fCNMcbazEtwE=
767775
google.golang.org/api v0.7.0/go.mod h1:WtwebWUNSVBH/HAw79HIFXZNqEvBhG+Ra+ax0hx3E3M=
768776
google.golang.org/api v0.8.0/go.mod h1:o4eAsZoiT+ibD93RtjEohWalFOjRDx6CVaqeizhEnKg=
@@ -900,6 +908,7 @@ k8s.io/api v0.25.3 h1:Q1v5UFfYe87vi5H7NU0p4RXC26PPMT8KOpr1TLQbCMQ=
900908
k8s.io/api v0.25.3/go.mod h1:o42gKscFrEVjHdQnyRenACrMtbuJsVdP+WVjqejfzmI=
901909
k8s.io/apiextensions-apiserver v0.19.2/go.mod h1:EYNjpqIAvNZe+svXVx9j4uBaVhTB4C94HkY3w058qcg=
902910
k8s.io/apiextensions-apiserver v0.25.2 h1:8uOQX17RE7XL02ngtnh3TgifY7EhekpK+/piwzQNnBo=
911+
k8s.io/apiextensions-apiserver v0.25.2/go.mod h1:iRwwRDlWPfaHhuBfQ0WMa5skdQfrE18QXJaJvIDLvE8=
903912
k8s.io/apimachinery v0.19.2/go.mod h1:DnPGDnARWFvYa3pMHgSxtbZb7gpzzAZ1pTfaUNDVlmA=
904913
k8s.io/apimachinery v0.19.10/go.mod h1:9eb44nUQSsz9QZiilFRuMj3ZbTmoWolU8S2gnXoRMjo=
905914
k8s.io/apimachinery v0.25.3 h1:7o9ium4uyUOM76t6aunP0nZuex7gDf8VGwkR5RcJnQc=
@@ -914,8 +923,10 @@ k8s.io/code-generator v0.19.2/go.mod h1:moqLn7w0t9cMs4+5CQyxnfA/HV8MF6aAVENF+WZZ
914923
k8s.io/component-base v0.19.2/go.mod h1:g5LrsiTiabMLZ40AR6Hl45f088DevyGY+cCE2agEIVo=
915924
k8s.io/component-base v0.19.10/go.mod h1:zI8HZGnByYplvaM9JevUscbVVG4bTGzJmrDR60jffvQ=
916925
k8s.io/component-base v0.25.3 h1:UrsxciGdrCY03ULT1h/S/gXFCOPnLhUVwSyx+hM/zq4=
926+
k8s.io/component-base v0.25.3/go.mod h1:WYoS8L+IlTZgU7rhAl5Ctpw0WdMxDfCC5dkxcEFa/TI=
917927
k8s.io/gengo v0.0.0-20200413195148-3a45101e95ac/go.mod h1:ezvh/TsK7cY6rbqRK0oQQ8IAqLxYwwyPxAX1Pzy0ii0=
918928
k8s.io/gengo v0.0.0-20200428234225-8167cfdcfc14/go.mod h1:ezvh/TsK7cY6rbqRK0oQQ8IAqLxYwwyPxAX1Pzy0ii0=
929+
k8s.io/klog v1.0.0 h1:Pt+yjF5aB1xDSVbau4VsWe+dQNzA0qv1LlXdC2dF6Q8=
919930
k8s.io/klog v1.0.0/go.mod h1:4Bi6QPql/J/LkTDqv7R/cd3hPo4k2DG6Ptcz060Ez5I=
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k8s.io/klog/v2 v2.0.0/go.mod h1:PBfzABfn139FHAV07az/IF9Wp1bkk3vpT2XSJ76fSDE=
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k8s.io/klog/v2 v2.2.0/go.mod h1:Od+F08eJP+W3HUb4pSrPpgp9DGU4GzlpG/TmITuYh/Y=

‎pkg/per-node-resources/doc.go

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// Copyright 2019-2022 The Liqo Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// Package pernoderesources is the standard implementation to handle resources in liqo
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package pernoderesources

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