Merge pull request #47 from flant/rc-1.7.0

Release 1.7.0

.github/workflows/release.yaml

@@ -0,0 +1,26 @@
+on:
+  release:
+    types: [created]
+
+jobs:
+  releases-matrix:
+    name: Release Go Binary
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        # build and publish in parallel: linux/386, linux/amd64, windows/386, windows/amd64, darwin/386, darwin/amd64
+        goos: [linux]
+        goarch: ["386", amd64]
+    steps:
+      - name: checkout code
+        uses: actions/checkout@v2
+      - name: build binaries
+        uses: wangyoucao577/go-release-action@v1.20
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          goos: ${{ matrix.goos }}
+          goarch: ${{ matrix.goarch }}
+          ldflags: '-linkmode external -extldflags "-static" -s -w'
+          pre_command: bash ./install-deps.sh
+          binary_name: "ovpn-admin"
+          asset_name: ovpn-admin-${{ matrix.goos }}-${{ matrix.goarch }}.

Dockerfile

@@ -3,9 +3,10 @@ COPY frontend/ /app
 RUN cd /app && npm install && npm run build
 
 FROM golang:1.14.2-buster AS backend-builder
+RUN go get -u github.com/gobuffalo/packr/v2/packr2
 COPY --from=frontend-builder /app/static /app/frontend/static
 COPY . /app
-RUN go get -u github.com/gobuffalo/packr/v2/packr2 && cd /app && packr2 && env CGO_ENABLED=1 GOOS=linux GOARCH=amd64 go build -ldflags='-linkmode external -extldflags "-static" -s -w' -o ovpn-admin && packr2 clean
+RUN cd /app && packr2 && env CGO_ENABLED=1 GOOS=linux GOARCH=amd64 go build -ldflags='-linkmode external -extldflags "-static" -s -w' -o ovpn-admin && packr2 clean
 
 FROM alpine:3.13
 WORKDIR /app

README.md

@@ -63,7 +63,7 @@ cd ovpn-admin
 
 ### 3. Prebuilt binary (WIP)
 
-You can also download & use prebuilt binaries from the [releases](https://github.com/flant/ovpn-admin/releases) page — just choose a relevant tar.gz file.
+You can also download and use prebuilt binaries from the [releases](https://github.com/flant/ovpn-admin/releases) page — just choose a relevant tar.gz file.
 
 ## Usage
 
@@ -86,6 +86,10 @@ Flags:
                                network for openvpn server
   --ovpn.server=HOST:PORT:PROTOCOL ...  
                                comma separated addresses for openvpn servers
+  --ovpn.server.behindLB       ovpn behind cloud loadbalancer
+  --ovpn.service="openvpn-external"  
+                               ovpn behind cloud loadbalancer k8s service name
+
   --mgmt=main=127.0.0.1:8989 ...  
                                comma separated (alias=address) for openvpn servers mgmt interfaces
   --metrics.path="/metrics"    URL path for surfacing collected metrics

bootstrap.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 mkdir -p {easyrsa,ccd}
 

build.sh

@@ -1,7 +1,8 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 PATH=$PATH:~/go/bin
-# go get -u github.com/gobuffalo/packr/v2/packr2
+
+#go get -u github.com/gobuffalo/packr/v2/packr2
 
 cd frontend && npm install && npm run build && cd ..
 

frontend/src/main.js

@@ -335,13 +335,15 @@ new Vue({
       data.append('username', _this.u.newUserName);
       data.append('password', _this.u.newUserPassword);
 
+      _this.username = _this.u.newUserName;
+
       axios.request(axios_cfg('api/user/create', data, 'form'))
       .then(function(response) {
+        _this.$notify({title: 'New user ' + _this.username + ' created', type: 'success'})
         _this.u.modalNewUserVisible = false;
         _this.u.newUserName = '';
         _this.u.newUserPassword = '';
         _this.getUserData();
-        _this.$notify({title: 'New user ' + _this.username + ' created', type: 'success'})
       })
       .catch(function(error) {
         _this.u.newUserCreateError = error.response.data;

go.mod

@@ -10,11 +10,12 @@ require (
 	github.com/prometheus/common v0.15.0 // indirect
 	github.com/rogpeppe/go-internal v1.7.0 // indirect
 	github.com/sirupsen/logrus v1.8.0 // indirect
-	github.com/spf13/cobra v1.1.3 // indirect
 	golang.org/x/crypto v0.0.0-20210220033148-5ea612d1eb83 // indirect
 	golang.org/x/sync v0.0.0-20210220032951-036812b2e83c // indirect
 	golang.org/x/sys v0.0.0-20210225080010-8e9945a5478f // indirect
 	golang.org/x/term v0.0.0-20210220032956-6a3ed077a48d // indirect
-	golang.org/x/tools v0.1.0 // indirect
 	gopkg.in/alecthomas/kingpin.v2 v2.2.6
+	gopkg.in/yaml.v2 v2.4.0 // indirect
+	k8s.io/apimachinery v0.20.4
+	k8s.io/client-go v0.20.4
 )

go.sum

@@ -5,16 +5,38 @@ cloud.google.com/go v0.44.1/go.mod h1:iSa0KzasP4Uvy3f1mN/7PiObzGgflwredwwASm/v6A
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@@ -33,6 +55,7 @@ github.com/armon/consul-api v0.0.0-20180202201655-eb2c6b5be1b6/go.mod h1:grANhF5
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+github.com/asaskevich/govalidator v0.0.0-20190424111038-f61b66f89f4a/go.mod h1:lB+ZfQJz7igIIfQNfa7Ml4HSf2uFQQRzpGGRXenZAgY=
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@@ -41,7 +64,6 @@ github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+Ce
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@@ -49,15 +71,16 @@ github.com/cespare/xxhash v1.1.0 h1:a6HrQnmkObjyL+Gs60czilIUGqrzKutQD6XZog3p+ko=
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@@ -129,29 +180,39 @@ github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMyw
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@@ -174,6 +235,8 @@ github.com/hashicorp/memberlist v0.1.3/go.mod h1:ajVTdAv/9Im8oMAAj5G31PhhMCZJV2p
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@@ -183,8 +246,10 @@ github.com/jpillora/backoff v1.0.0/go.mod h1:J/6gKK9jxlEcS3zixgDgUAsiuZ7yrSoa/FX
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@@ -193,6 +258,7 @@ github.com/karrick/godirwalk v1.15.8/go.mod h1:j4mkqPuvaLI8mp1DroR3P6ad7cyYd4c1q
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@@ -201,7 +267,10 @@ github.com/konsorten/go-windows-terminal-sequences v1.0.3/go.mod h1:T0+1ngSBFLxv
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@@ -212,7 +281,8 @@ github.com/magefile/mage v1.10.0/go.mod h1:z5UZb/iS3GoOSn0JgWuiw7dxlurVYTu+/jHXq
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-github.com/magiconair/properties v1.8.1/go.mod h1:PppfXfuXeibc/6YijjN8zIbojt8czPbwD3XqdrwzmxQ=
+github.com/mailru/easyjson v0.0.0-20190614124828-94de47d64c63/go.mod h1:C1wdFJiN94OJF2b5HbByQZoLdCWB1Yqtg26g4irojpc=
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@@ -235,11 +305,15 @@ github.com/mitchellh/iochan v1.0.0/go.mod h1:JwYml1nuB7xOzsp52dPpHFffvOCDupsG0Qu
 github.com/mitchellh/mapstructure v0.0.0-20160808181253-ca63d7c062ee/go.mod h1:FVVH3fgwuzCH5S8UJGiWEs2h04kUh9fWfEaFds41c1Y=
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@@ -251,9 +325,13 @@ github.com/oklog/oklog v0.3.2/go.mod h1:FCV+B7mhrz4o+ueLpx+KqkyXRGMWOYEvfiXtdGtb
 github.com/oklog/run v1.0.0/go.mod h1:dlhp/R75TPv97u0XWUtDeV/lRKWPKSdTuV0TZvrmrQA=
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+github.com/onsi/ginkgo v0.0.0-20170829012221-11459a886d9c/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+WWjE=
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+github.com/onsi/ginkgo v1.11.0/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+WWjE=
+github.com/onsi/gomega v0.0.0-20170829124025-dcabb60a477c/go.mod h1:C1qb7wdrVGGVU+Z6iS04AVkA3Q65CEZX59MT0QO5uiA=
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+github.com/onsi/gomega v1.7.0/go.mod h1:ex+gbHU/CVuBBDIJjb2X0qEXbFg53c61hWP/1CpauHY=
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@@ -268,6 +346,7 @@ github.com/pascaldekloe/goe v0.0.0-20180627143212-57f6aae5913c/go.mod h1:lzWF7FI
 github.com/pborman/uuid v1.2.0/go.mod h1:X/NO0urCmaxf9VXbdlT7C2Yzkj2IKimNn4k+gtPdI/k=
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+github.com/peterbourgon/diskv v2.0.1+incompatible/go.mod h1:uqqh8zWWbv1HBMNONnaR/tNboyR3/BZd58JJSHlUSCU=
 github.com/pierrec/lz4 v1.0.2-0.20190131084431-473cd7ce01a1/go.mod h1:3/3N9NVKO0jef7pBehbT1qWhCMrIgbYNnFAZCqQ5LRc=
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 github.com/pkg/errors v0.8.0/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
@@ -334,32 +413,33 @@ github.com/soheilhy/cmux v0.1.4/go.mod h1:IM3LyeVVIOuxMH7sFAkER9+bJ4dT7Ms6E4xg4k
 github.com/sony/gobreaker v0.4.1/go.mod h1:ZKptC7FHNvhBz7dN2LGjPVBz2sZJmc0/PkyDJOjmxWY=
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+github.com/stretchr/testify v1.6.1 h1:hDPOHmpOpP40lSULcqw7IrRb/u7w6RpDC9399XyoNd0=
+github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
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@@ -367,7 +447,6 @@ github.com/urfave/cli v1.20.0/go.mod h1:70zkFmudgCuE/ngEzBv17Jvp/497gISqfk5gWijb
 github.com/urfave/cli v1.22.1/go.mod h1:Gos4lmkARVdJ6EkW0WaNv/tZAAMe9V7XWyB60NtXRu0=
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 github.com/xordataexchange/crypt v0.0.3-0.20170626215501-b2862e3d0a77/go.mod h1:aYKd//L2LvnjZzWKhF00oedf4jCCReLcmhLdhm1A27Q=
-github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
 go.etcd.io/bbolt v1.3.2/go.mod h1:IbVyRI1SCnLcuJnV2u8VeU0CEYM7e686BmAb1XKL+uU=
 go.etcd.io/bbolt v1.3.3/go.mod h1:IbVyRI1SCnLcuJnV2u8VeU0CEYM7e686BmAb1XKL+uU=
 go.etcd.io/etcd v0.0.0-20191023171146-3cf2f69b5738/go.mod h1:dnLIgRNXwCJa5e+c6mIZCrds/GIG4ncV9HhK5PX7jPg=
@@ -376,6 +455,7 @@ go.opencensus.io v0.20.2/go.mod h1:6WKK9ahsWS3RSO+PY9ZHZUfv2irvY6gN279GOPZjmmk=
 go.opencensus.io v0.21.0/go.mod h1:mSImk1erAIZhrmZN+AvHh14ztQfjbGwt4TtuofqLduU=
 go.opencensus.io v0.22.0/go.mod h1:+kGneAE2xo2IficOXnaByMWTGM9T73dGwxeWcUqIpI8=
 go.opencensus.io v0.22.2/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
+go.opencensus.io v0.22.3/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
 go.uber.org/atomic v1.3.2/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE=
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 go.uber.org/atomic v1.5.0/go.mod h1:sABNBOSYdrvTF6hTgEIbc7YasKWGhgEQZyfxyTvoXHQ=
@@ -389,11 +469,13 @@ golang.org/x/crypto v0.0.0-20181029021203-45a5f77698d3/go.mod h1:6SG95UA2DQfeDnf
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
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 golang.org/x/crypto v0.0.0-20190605123033-f99c8df09eb5/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
+golang.org/x/crypto v0.0.0-20190611184440-5c40567a22f8/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
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 golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20191122220453-ac88ee75c92c/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9 h1:psW17arqaxU48Z5kZ0CQnkZWQJsqcURM6tKiBApRjXI=
 golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
+golang.org/x/crypto v0.0.0-20201002170205-7f63de1d35b0/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
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 golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
@@ -401,6 +483,11 @@ golang.org/x/exp v0.0.0-20190306152737-a1d7652674e8/go.mod h1:CJ0aWSM057203Lf6IL
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@@ -435,13 +525,25 @@ golang.org/x/net v0.0.0-20190522155817-f3200d17e092/go.mod h1:HSz+uSET+XFnRR8LxR
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@@ -508,6 +626,7 @@ golang.org/x/tools v0.0.0-20190425150028-36563e24a262/go.mod h1:RgjU9mgBXZiqYHBn
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@@ -515,17 +634,29 @@ golang.org/x/tools v0.0.0-20190911174233-4f2ddba30aff/go.mod h1:b+2E5dAYhXwXZwtn
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 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
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@@ -533,11 +664,18 @@ google.golang.org/api v0.7.0/go.mod h1:WtwebWUNSVBH/HAw79HIFXZNqEvBhG+Ra+ax0hx3E
 google.golang.org/api v0.8.0/go.mod h1:o4eAsZoiT+ibD93RtjEohWalFOjRDx6CVaqeizhEnKg=
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 google.golang.org/api v0.13.0/go.mod h1:iLdEw5Ide6rF15KTC1Kkl0iskquN2gFfn9o9XIsbkAI=
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 google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
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@@ -548,6 +686,16 @@ google.golang.org/genproto v0.0.0-20190801165951-fa694d86fc64/go.mod h1:DMBHOl98
 google.golang.org/genproto v0.0.0-20190819201941-24fa4b261c55/go.mod h1:DMBHOl98Agz4BDEuKkezgsaosCRResVns1a3J2ZsMNc=
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@@ -558,13 +706,19 @@ google.golang.org/grpc v1.22.1/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyac
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@@ -575,7 +729,8 @@ gopkg.in/cheggaaa/pb.v1 v1.0.25/go.mod h1:V/YB90LKu/1FcN3WVnfiiE5oMCibMjukxqG/qS
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@@ -584,15 +739,39 @@ gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
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 honnef.co/go/tools v0.0.0-20180728063816-88497007e858/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190106161140-3f1c8253044a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190418001031-e561f6794a2a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg=
+honnef.co/go/tools v0.0.1-2020.1.3/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k=
+k8s.io/api v0.20.4 h1:xZjKidCirayzX6tHONRQyTNDVIR55TYVqgATqo6ZULY=
+k8s.io/api v0.20.4/go.mod h1:++lNL1AJMkDymriNniQsWRkMDzRaX2Y/POTUi8yvqYQ=
+k8s.io/apimachinery v0.20.4 h1:vhxQ0PPUUU2Ns1b9r4/UFp13UPs8cw2iOoTjnY9faa0=
+k8s.io/apimachinery v0.20.4/go.mod h1:WlLqWAHZGg07AeltaI0MV5uk1Omp8xaN0JGLY6gkRpU=
+k8s.io/client-go v0.20.4 h1:85crgh1IotNkLpKYKZHVNI1JT86nr/iDCvq2iWKsql4=
+k8s.io/client-go v0.20.4/go.mod h1:LiMv25ND1gLUdBeYxBIwKpkSC5IsozMMmOOeSJboP+k=
+k8s.io/gengo v0.0.0-20200413195148-3a45101e95ac/go.mod h1:ezvh/TsK7cY6rbqRK0oQQ8IAqLxYwwyPxAX1Pzy0ii0=
+k8s.io/klog/v2 v2.0.0/go.mod h1:PBfzABfn139FHAV07az/IF9Wp1bkk3vpT2XSJ76fSDE=
+k8s.io/klog/v2 v2.4.0 h1:7+X0fUguPyrKEC4WjH8iGDg3laWgMo5tMnRTIGTTxGQ=
+k8s.io/klog/v2 v2.4.0/go.mod h1:Od+F08eJP+W3HUb4pSrPpgp9DGU4GzlpG/TmITuYh/Y=
+k8s.io/kube-openapi v0.0.0-20201113171705-d219536bb9fd/go.mod h1:WOJ3KddDSol4tAGcJo0Tvi+dK12EcqSLqcWsryKMpfM=
+k8s.io/utils v0.0.0-20201110183641-67b214c5f920 h1:CbnUZsM497iRC5QMVkHwyl8s2tB3g7yaSHkYPkpgelw=
+k8s.io/utils v0.0.0-20201110183641-67b214c5f920/go.mod h1:jPW/WVKK9YHAvNhRxK0md/EJ228hCsBRufyofKtW8HA=
 rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8=
+rsc.io/quote/v3 v3.1.0/go.mod h1:yEA65RcK8LyAZtP9Kv3t0HmxON59tX3rD+tICJqUlj0=
+rsc.io/sampler v1.3.0/go.mod h1:T1hPZKmBbMNahiBKFy5HrXp6adAjACjK9JXDnKaTXpA=
+sigs.k8s.io/structured-merge-diff/v4 v4.0.2 h1:YHQV7Dajm86OuqnIR6zAelnDWBRjo+YhYV9PmGrh1s8=
+sigs.k8s.io/structured-merge-diff/v4 v4.0.2/go.mod h1:bJZC9H9iH24zzfZ/41RGcq60oK1F7G282QMXDPYydCw=
 sigs.k8s.io/yaml v1.1.0/go.mod h1:UJmg0vDUVViEyp3mgSv9WPwZCDxu4rQW1olrI1uml+o=
+sigs.k8s.io/yaml v1.2.0 h1:kr/MCeFWJWTwyaHoR9c8EjH9OumOmoF9YGiZd7lFm/Q=
+sigs.k8s.io/yaml v1.2.0/go.mod h1:yfXDCHCao9+ENCvLSE62v9VSji2MKu5jeNfTrofGhJc=
 sourcegraph.com/sourcegraph/appdash v0.0.0-20190731080439-ebfcffb1b5c0/go.mod h1:hI742Nqp5OhwiqlzhgfbWU4mW4yO10fP+LoT9WOswdU=

helpers.go

@@ -27,7 +27,9 @@ func parseDateToUnix(layout,datetime string) int64 {
 }
 
 func runBash(script string) string {
-	fmt.Println(script)
+	if *debug {
+		log.Println(script)
+	}
 	cmd := exec.Command("bash", "-c", script)
 	stdout, err := cmd.CombinedOutput()
 	if err != nil {
@@ -98,7 +100,7 @@ func fDownload(path, url string, basicAuth bool) error {
 	}
 
 	if resp.StatusCode != 200 {
-		log.Printf("WARNING: Download file operation for url %s finished with status code %d", url, resp.StatusCode  )
+		log.Printf("WARNING: Download file operation for url %s finished with status code %d\n", url, resp.StatusCode  )
 	}
 	defer resp.Body.Close()
 

install-deps.sh

@@ -0,0 +1,13 @@
+#!/usr/bin/env bash
+
+apt-get update
+apt-get install -y npm nodejs
+
+PATH=$PATH:~/go/bin
+
+go get -u github.com/gobuffalo/packr/v2/packr2
+
+cd frontend && npm install && npm run build && cd ..
+
+packr2
+

main.go

@@ -3,6 +3,7 @@ package main
 import (
 	"bufio"
 	"bytes"
+	"context"
 	"encoding/json"
 	"fmt"
 	"log"
@@ -15,6 +16,10 @@ import (
 	"text/template"
 	"time"
 
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/client-go/kubernetes"
+	"k8s.io/client-go/rest"
+
 	"github.com/gobuffalo/packr/v2"
 	"github.com/prometheus/client_golang/prometheus"
 	"github.com/prometheus/client_golang/prometheus/promhttp"
@@ -33,35 +38,42 @@ const (
 	indexTxtDateLayout   = "060102150405Z"
 	stringDateFormat     = "2006-01-02 15:04:05"
 	ovpnStatusDateLayout = "2006-01-02 15:04:05"
-	version              = "1.6.3"
 )
 
 var (
-	listenHost               = kingpin.Flag("listen.host", "host for ovpn-admin").Default("0.0.0.0").String()
+	listenHost      				 = kingpin.Flag("listen.host","host for ovpn-admin").Default("0.0.0.0").String()
-	listenPort               = kingpin.Flag("listen.port", "port for ovpn-admin").Default("8080").String()
+	listenPort      				 = kingpin.Flag("listen.port","port for ovpn-admin").Default("8080").String()
-	serverRole               = kingpin.Flag("role", "server role master or slave").Default("master").HintOptions("master", "slave").String()
+	serverRole               = kingpin.Flag("role","server role master or slave").Default("master").HintOptions("master", "slave").String()
-	masterHost               = kingpin.Flag("master.host", "url for master server").Default("http://127.0.0.1").String()
+	masterHost               = kingpin.Flag("master.host","url for master server").Default("http://127.0.0.1").String()
-	masterBasicAuthUser      = kingpin.Flag("master.basic-auth.user", "user for basic auth on master server url").Default("").String()
+	masterBasicAuthUser			 = kingpin.Flag("master.basic-auth.user","user for basic auth on master server url").Default("").String()
-	masterBasicAuthPassword  = kingpin.Flag("master.basic-auth.password", "password for basic auth on master server url").Default("").String()
+	masterBasicAuthPassword  = kingpin.Flag("master.basic-auth.password","password for basic auth on master server url").Default("").String()
 	masterSyncFrequency      = kingpin.Flag("master.sync-frequency", "master host data sync frequency in seconds.").Default("600").Int()
 	masterSyncToken          = kingpin.Flag("master.sync-token", "master host data sync security token").Default("VerySecureToken").PlaceHolder("TOKEN").String()
-	openvpnNetwork           = kingpin.Flag("ovpn.network", "network for openvpn server").Default("172.16.100.0/24").String()
+	openvpnNetwork           = kingpin.Flag("ovpn.network","network for openvpn server").Default("172.16.100.0/24").String()
-	openvpnServer            = kingpin.Flag("ovpn.server", "comma separated addresses for openvpn servers").Default("127.0.0.1:7777:tcp").PlaceHolder("HOST:PORT:PROTOCOL").Strings()
+	openvpnServer      			 = kingpin.Flag("ovpn.server","comma separated addresses for openvpn servers").Default("127.0.0.1:7777:tcp").PlaceHolder("HOST:PORT:PROTOCOL").Strings()
-	mgmtAddress              = kingpin.Flag("mgmt", "comma separated (alias=address) for openvpn servers mgmt interfaces").Default("main=127.0.0.1:8989").Strings()
+	openvpnServerBehindLB 	 = kingpin.Flag("ovpn.server.behindLB","ovpn behind cloud loadbalancer").Default("false").Bool()
-	metricsPath              = kingpin.Flag("metrics.path", "URL path for surfacing collected metrics").Default("/metrics").String()
+	openvpnServiceName 			 = kingpin.Flag("ovpn.service","ovpn behind cloud loadbalancer k8s service name").Default("openvpn-external").String()
-	easyrsaDirPath           = kingpin.Flag("easyrsa.path", "path to easyrsa dir").Default("./easyrsa/").String()
+	mgmtAddress		    			 = kingpin.Flag("mgmt","comma separated (alias=address) for openvpn servers mgmt interfaces").Default("main=127.0.0.1:8989").Strings()
-	indexTxtPath             = kingpin.Flag("easyrsa.index-path", "path to easyrsa index file.").Default("./easyrsa/pki/index.txt").String()
+	metricsPath 						 = kingpin.Flag("metrics.path",  "URL path for surfacing collected metrics").Default("/metrics").String()
-	ccdEnabled               = kingpin.Flag("ccd", "Enable client-config-dir.").Default("false").Bool()
+	easyrsaDirPath     			 = kingpin.Flag("easyrsa.path", "path to easyrsa dir").Default("./easyrsa/").String()
-	ccdDir                   = kingpin.Flag("ccd.path", "path to client-config-dir").Default("./ccd").String()
+	indexTxtPath    				 = kingpin.Flag("easyrsa.index-path", "path to easyrsa index file.").Default("./easyrsa/pki/index.txt").String()
+	ccdEnabled  						 = kingpin.Flag("ccd", "Enable client-config-dir.").Default("false").Bool()
+	ccdDir          				 = kingpin.Flag("ccd.path", "path to client-config-dir").Default("./ccd").String()
 	clientConfigTemplatePath = kingpin.Flag("templates.clientconfig-path", "path to custom client.conf.tpl").Default("").String()
 	ccdTemplatePath          = kingpin.Flag("templates.ccd-path", "path to custom ccd.tpl").Default("").String()
-	authByPassword           = kingpin.Flag("auth.password", "Enable additional password authorization.").Default("false").Bool()
+	authByPassword 					 = kingpin.Flag("auth.password", "Enable additional password authorization.").Default("false").Bool()
-	authDatabase             = kingpin.Flag("auth.db", "Database path fort password authorization.").Default("./easyrsa/pki/users.db").String()
+	authDatabase 						 = kingpin.Flag("auth.db", "Database path fort password authorization.").Default("./easyrsa/pki/users.db").String()
-	debug                    = kingpin.Flag("debug", "Enable debug mode.").Default("false").Bool()
+	debug           				 = kingpin.Flag("debug", "Enable debug mode.").Default("false").Bool()
-	verbose                  = kingpin.Flag("verbose", "Enable verbose mode.").Default("false").Bool()
+	verbose           			 = kingpin.Flag("verbose", "Enable verbose mode.").Default("false").Bool()
+
+	certsArchivePath         = "/tmp/" + certsArchiveFileName
+	ccdArchivePath           = "/tmp/" + ccdArchiveFileName
+
+	version = "1.7.0"
+
+	kubeTokenFilePath     = "/var/run/secrets/kubernetes.io/serviceaccount/token"
+	kubeNamespaceFilePath = "/var/run/secrets/kubernetes.io/serviceaccount/namespace"
 
-	certsArchivePath = "/tmp/" + certsArchiveFileName
-	ccdArchivePath   = "/tmp/" + ccdArchiveFileName
 )
 
 var (
@@ -167,12 +179,14 @@ type openvpnClientConfig struct {
 }
 
 type OpenvpnClient struct {
-	Identity         string `json:"Identity"`
+
-	AccountStatus    string `json:"AccountStatus"`
+	Identity            string      `json:"Identity"`
-	ExpirationDate   string `json:"ExpirationDate"`
+	AccountStatus       string      `json:"AccountStatus"`
-	RevocationDate   string `json:"RevocationDate"`
+	ExpirationDate      string      `json:"ExpirationDate"`
-	ConnectionStatus string `json:"ConnectionStatus"`
+	RevocationDate      string      `json:"RevocationDate"`
-	ConnectionServer string `json:"ConnectionServer"`
+	ConnectionStatus    string      `json:"ConnectionStatus"`
+	ConnectionServer 	string      `json:"ConnectionServer"`
+
 }
 
 type ccdRoute struct {
@@ -543,6 +557,10 @@ func (oAdmin *OvpnAdmin) renderClientConfig(username string) string {
 			parts := strings.SplitN(server, ":", 3)
 			hosts = append(hosts, OpenvpnServer{Host: parts[0], Port: parts[1], Protocol: parts[2]})
 		}
+		if *openvpnServerBehindLB {
+			hosts = getOvpnServerHostsFromKubeApi()
+		}
+
 		if *debug {
 			log.Printf("WARNING: hosts for %s\n %v", username, hosts)
 		}
@@ -560,9 +578,11 @@ func (oAdmin *OvpnAdmin) renderClientConfig(username string) string {
 		var tmp bytes.Buffer
 		err := t.Execute(&tmp, conf)
 		if err != nil {
-			log.Printf("WARNING: something goes wrong during rendering config for %s", username)
+
+			log.Printf("WARNING: something goes wrong during rendering config for %s\n", username )
 			if *debug {
-				log.Printf("ERROR: rendering config for %s failed \n %v", username, err)
+				log.Printf("ERROR: rendering config for %s failed \n %v\n", username, err )
+
 			}
 		}
 
@@ -635,56 +655,57 @@ func (oAdmin *OvpnAdmin) modifyCcd(ccd Ccd) (bool, string) {
 }
 
 func validateCcd(ccd Ccd) (bool, string) {
-	ccdErr := ""
 
-	if ccd.ClientAddress != "dynamic" {
+    ccdErr := ""
-		_, ovpnNet, err := net.ParseCIDR(*openvpnNetwork)
-		if err != nil {
-			log.Println(err)
-		}
 
-		if !checkStaticAddressIsFree(ccd.ClientAddress, ccd.User) {
+    if ccd.ClientAddress != "dynamic" {
-			ccdErr = fmt.Sprintf("ClientAddress \"%s\" already assigned to another user", ccd.ClientAddress)
+        _, ovpnNet, err := net.ParseCIDR(*openvpnNetwork)
-			if *debug {
+        if err != nil {
-				log.Printf("ERROR: Modify ccd for user %s: %s", ccd.User, ccdErr)
+		    log.Println(err)
-			}
+	    }
-			return false, ccdErr
-		}
 
-		if net.ParseIP(ccd.ClientAddress) == nil {
+	    if ! checkStaticAddressIsFree(ccd.ClientAddress, ccd.User) {
-			ccdErr = fmt.Sprintf("ClientAddress \"%s\" not a valid IP address", ccd.ClientAddress)
+            ccdErr = fmt.Sprintf("ClientAddress \"%s\" already assigned to another user", ccd.ClientAddress)
-			if *debug {
+            if *debug {
-				log.Printf("ERROR: Modify ccd for user %s: %s", ccd.User, ccdErr)
+                log.Printf("ERROR: Modify ccd for user %s: %s\n", ccd.User, ccdErr)
-			}
+            }
-			return false, ccdErr
+            return false, ccdErr
-		}
+	    }
 
-		if !ovpnNet.Contains(net.ParseIP(ccd.ClientAddress)) {
+        if net.ParseIP(ccd.ClientAddress) == nil {
-			ccdErr = fmt.Sprintf("ClientAddress \"%s\" not belongs to openvpn server network", ccd.ClientAddress)
+            ccdErr = fmt.Sprintf("ClientAddress \"%s\" not a valid IP address", ccd.ClientAddress)
-			if *debug {
+            if *debug {
-				log.Printf("ERROR: Modify ccd for user %s: %s", ccd.User, ccdErr)
+                log.Printf("ERROR: Modify ccd for user %s: %s\n",  ccd.User, ccdErr)
-			}
+            }
-			return false, ccdErr
+            return false, ccdErr
-		}
+        }
-	}
 
-	for _, route := range ccd.CustomRoutes {
+        if ! ovpnNet.Contains(net.ParseIP(ccd.ClientAddress)) {
-		if net.ParseIP(route.Address) == nil {
+            ccdErr = fmt.Sprintf("ClientAddress \"%s\" not belongs to openvpn server network", ccd.ClientAddress)
-			ccdErr = fmt.Sprintf("CustomRoute.Address \"%s\" must be a valid IP address", route.Address)
+            if *debug {
-			if *debug {
+                log.Printf("ERROR: Modify ccd for user %s: %s\n", ccd.User, ccdErr)
-				log.Printf("ERROR: Modify ccd for user %s: %s", ccd.User, ccdErr)
+            }
-			}
+            return false, ccdErr
-			return false, ccdErr
+        }
-		}
+    }
 
-		if net.ParseIP(route.Mask) == nil {
+    for _, route := range ccd.CustomRoutes {
-			ccdErr = fmt.Sprintf("CustomRoute.Mask \"%s\" must be a valid IP address", route.Mask)
+        if net.ParseIP(route.Address) == nil {
-			if *debug {
+            ccdErr = fmt.Sprintf("CustomRoute.Address \"%s\" must be a valid IP address", route.Address)
-				log.Printf("ERROR: Modify ccd for user %s: %s", ccd.User, ccdErr)
+            if *debug {
-			}
+                log.Printf("ERROR: Modify ccd for user %s: %s\n", ccd.User, ccdErr)
-			return false, ccdErr
+            }
-		}
+            return false, ccdErr
-	}
+        }
+
+        if net.ParseIP(route.Mask) == nil {
+            ccdErr = fmt.Sprintf("CustomRoute.Mask \"%s\" must be a valid IP address", route.Mask)
+            if *debug {
+                log.Printf("ERROR: Modify ccd for user %s: %s\n", ccd.User, ccdErr)
+            }
+            return false, ccdErr
+        }
+    }
 
 	return true, ccdErr
 }
@@ -702,7 +723,7 @@ func (oAdmin *OvpnAdmin) getCcd(username string) Ccd {
 }
 
 func checkStaticAddressIsFree(staticAddress string, username string) bool {
-	o := runBash(fmt.Sprintf("grep -rl %s %s | grep -vx %s/%s | wc -l", staticAddress, *ccdDir, *ccdDir, username))
+	o := runBash(fmt.Sprintf("grep -rl ' %s ' %s | grep -vx %s/%s | wc -l", staticAddress, *ccdDir, *ccdDir, username))
 
 	if strings.TrimSpace(o) == "0" {
 		return true
@@ -781,7 +802,7 @@ func (oAdmin *OvpnAdmin) usersList() []OpenvpnClient {
 	otherCerts := totalCerts - validCerts - revokedCerts - expiredCerts
 
 	if otherCerts != 0 {
-		log.Printf("WARNING: there are %d otherCerts", otherCerts)
+		log.Printf("WARNING: there are %d otherCerts\n", otherCerts)
 	}
 
 	ovpnClientsTotal.Set(float64(totalCerts))
@@ -798,7 +819,7 @@ func (oAdmin *OvpnAdmin) userCreate(username, password string) (bool, string) {
 	if checkUserExist(username) {
 		ucErr = fmt.Sprintf("User \"%s\" already exists\n", username)
 		if *debug {
-			log.Printf("ERROR: userCreate: %s", ucErr)
+			log.Printf("ERROR: userCreate: %s\n", ucErr)
 		}
 		return false, ucErr
 	}
@@ -806,7 +827,7 @@ func (oAdmin *OvpnAdmin) userCreate(username, password string) (bool, string) {
 	if !validateUsername(username) {
 		ucErr = fmt.Sprintf("Username \"%s\" incorrect, you can use only %s\n", username, usernameRegexp)
 		if *debug {
-			log.Printf("ERROR: userCreate: %s", ucErr)
+			log.Printf("ERROR: userCreate: %s\n", ucErr)
 		}
 		return false, ucErr
 	}
@@ -822,15 +843,15 @@ func (oAdmin *OvpnAdmin) userCreate(username, password string) (bool, string) {
 	}
 
 	o := runBash(fmt.Sprintf("date +%%Y-%%m-%%d\\ %%H:%%M:%%S && cd %s && easyrsa build-client-full %s nopass", *easyrsaDirPath, username))
-	fmt.Println(o)
+	log.Println(o)
 
 	if *authByPassword {
 		o = runBash(fmt.Sprintf("openvpn-user create --db.path %s --user %s --password %s", *authDatabase, username, password))
-		fmt.Println(o)
+		log.Println(o)
 	}
 
 	if *verbose {
-		log.Printf("INFO: user created: %s", username)
+		log.Printf("INFO: user created: %s\n", username)
 	}
 
 	oAdmin.clients = oAdmin.usersList()
@@ -842,7 +863,7 @@ func (oAdmin *OvpnAdmin) userChangePassword(username, password string) (bool, st
 
 	if checkUserExist(username) {
 		o := runBash(fmt.Sprintf("openvpn-user check --db.path %s --user %s | grep %s | wc -l", *authDatabase, username, username))
-		fmt.Println(o)
+		log.Println(o)
 
 		if !validatePassword(password) {
 			ucpErr := fmt.Sprintf("Password for too short, password length must be greater or equal %d", passwordMinLength)
@@ -853,16 +874,16 @@ func (oAdmin *OvpnAdmin) userChangePassword(username, password string) (bool, st
 		}
 
 		if strings.TrimSpace(o) == "0" {
-			fmt.Println("Creating user in users.db")
+			log.Println("Creating user in users.db")
 			o = runBash(fmt.Sprintf("openvpn-user create --db.path %s --user %s --password %s", *authDatabase, username, password))
-			fmt.Println(o)
+			log.Println(o)
 		}
 
 		o = runBash(fmt.Sprintf("openvpn-user change-password --db.path %s --user %s --password %s", *authDatabase, username, password))
-		fmt.Println(o)
+		log.Println(o)
 
 		if *verbose {
-			log.Printf("INFO: password for user %s was changed", username)
+			log.Printf("INFO: password for user %s was changed\n", username)
 		}
 		return true, "Password changed"
 	}
@@ -887,11 +908,17 @@ func (oAdmin *OvpnAdmin) userRevoke(username string) string {
 			o = runBash(fmt.Sprintf("openvpn-user revoke --db-path %s --user %s", *authDatabase, username))
 			//fmt.Println(o)
 		}
+
 		crlFix()
+		userConnected, userConnectedTo := isUserConnected(username, oAdmin.activeClients)
+		if userConnected {
+			oAdmin.mgmtKillUserConnection(username, userConnectedTo)
+			log.Printf("Session for user \"%s\" session killed\n", username)
+		}
 		oAdmin.clients = oAdmin.usersList()
 		return fmt.Sprintln(o)
 	}
-	fmt.Printf("User \"%s\" not found", username)
+	log.Printf("User \"%s\" not found\n", username)
 	return fmt.Sprintf("User \"%s\" not found", username)
 }
 
@@ -1094,25 +1121,25 @@ func (oAdmin *OvpnAdmin) syncDataFromMaster() {
 
 	for certsDownloadFailed && certsDownloadRetries < retryCountMax {
 		certsDownloadRetries += 1
-		log.Printf("Downloading certs archive from master. Attempt %d", certsDownloadRetries)
+		log.Printf("Downloading certs archive from master. Attempt %d\n", certsDownloadRetries)
 		if oAdmin.downloadCerts() {
 			certsDownloadFailed = false
 			log.Println("Decompression certs archive from master")
 			unArchiveCerts()
 		} else {
-			log.Printf("WARNING: something goes wrong during downloading certs from master. Attempt %d", certsDownloadRetries)
+			log.Printf("WARNING: something goes wrong during downloading certs from master. Attempt %d\n", certsDownloadRetries)
 		}
 	}
 
 	for ccdDownloadFailed && ccdDownloadRetries < retryCountMax {
 		ccdDownloadRetries += 1
-		log.Printf("Downloading ccd archive from master. Attempt %d", ccdDownloadRetries)
+		log.Printf("Downloading ccd archive from master. Attempt %d\n", ccdDownloadRetries)
 		if oAdmin.downloadCcd() {
 			ccdDownloadFailed = false
 			log.Println("Decompression ccd archive from master")
 			unArchiveCcd()
 		} else {
-			log.Printf("WARNING: something goes wrong during downloading certs from master. Attempt %d", ccdDownloadRetries)
+			log.Printf("WARNING: something goes wrong during downloading certs from master. Attempt %d\n", ccdDownloadRetries)
 		}
 	}
 
@@ -1129,6 +1156,43 @@ func (oAdmin *OvpnAdmin) syncWithMaster() {
 	}
 }
 
+
+func getOvpnServerHostsFromKubeApi() []OpenvpnServer {
+	var hosts []OpenvpnServer
+	var lbHost string
+
+	config, err := rest.InClusterConfig()
+	if err != nil {
+		log.Printf("ERROR: %s\n", err.Error())
+	}
+
+	clientset, err := kubernetes.NewForConfig(config)
+	if err != nil {
+		log.Printf("ERROR: %s\n", err.Error())
+	}
+
+	service, err := clientset.CoreV1().Services(fRead(kubeNamespaceFilePath)).Get(context.TODO(), *openvpnServiceName, metav1.GetOptions{})
+	if err != nil {
+		log.Printf("ERROR: %s\n", err.Error())
+	}
+
+	if *debug {
+		log.Printf("Debug: service from kube api %v\n", service)
+		log.Printf("Debug: service.Status from kube api %v\n", service.Status)
+		log.Printf("Debug: service.Status.LoadBalancer from kube api %v\n", service.Status.LoadBalancer)
+	}
+
+	if service.Status.LoadBalancer.Ingress[0].Hostname != "" {
+		lbHost = service.Status.LoadBalancer.Ingress[0].Hostname
+	}
+	if service.Status.LoadBalancer.Ingress[0].IP != "" {
+		lbHost = service.Status.LoadBalancer.Ingress[0].IP
+	}
+	hosts = append(hosts, OpenvpnServer{lbHost,strconv.Itoa(int(service.Spec.Ports[0].Port)),string(service.Spec.Ports[0].Protocol)})
+
+	return hosts
+}
+
 func getOvpnCaCertExpireDate() time.Time {
 	caCertPath := *easyrsaDirPath + "/pki/ca.crt"
 	caCertExpireDate := runBash(fmt.Sprintf("openssl x509 -in %s -noout -enddate | awk -F \"=\" {'print $2'}", caCertPath))
@@ -1136,7 +1200,7 @@ func getOvpnCaCertExpireDate() time.Time {
 	dateLayout := "Jan 2 15:04:05 2006 MST"
 	t, err := time.Parse(dateLayout, strings.TrimSpace(caCertExpireDate))
 	if err != nil {
-		log.Printf("WARNING: can`t parse expire date for CA cert: %v", err)
+		log.Printf("WARNING: can`t parse expire date for CA cert: %v\n", err)
 		return time.Now()
 	}
 

setup/configure.sh

@@ -3,7 +3,13 @@ set -ex
 
 EASY_RSA_LOC="/etc/openvpn/easyrsa"
 SERVER_CERT="${EASY_RSA_LOC}/pki/issued/server.crt"
+
+OVPN_SRV_NET=${OVPN_SERVER_NET:-172.16.100.0}
+OVPN_SRV_MASK=${OVPN_SERVER_MASK:-255.255.255.0}
+
+
 cd $EASY_RSA_LOC
+
 if [ -e "$SERVER_CERT" ]; then
   echo "Found existing certs - reusing"
 else
@@ -25,7 +31,8 @@ else
 fi
 easyrsa gen-crl
 
-iptables -t nat -A POSTROUTING -s 172.16.100.0/255.255.255.0 ! -d 172.16.100.0/255.255.255.0 -j MASQUERADE
+iptables -t nat -D POSTROUTING -s ${OVPN_SRV_NET}/${OVPN_SRV_MASK} ! -d ${OVPN_SRV_NET}/${OVPN_SRV_MASK} -j MASQUERADE
+iptables -t nat -A POSTROUTING -s ${OVPN_SRV_NET}/${OVPN_SRV_MASK} ! -d ${OVPN_SRV_NET}/${OVPN_SRV_MASK} -j MASQUERADE
 
 mkdir -p /dev/net
 if [ ! -c /dev/net/tun ]; then
@@ -49,5 +56,4 @@ fi
 
 mkdir -p /etc/openvpn/ccd
 
-openvpn --config /etc/openvpn/openvpn.conf --client-config-dir /etc/openvpn/ccd --port 1194 --proto tcp --management 127.0.0.1 8989 --dev tun0
+openvpn --config /etc/openvpn/openvpn.conf --client-config-dir /etc/openvpn/ccd --port 1194 --proto tcp --management 127.0.0.1 8989 --dev tun0 --server ${OVPN_SRV_NET} ${OVPN_SRV_MASK}
-

setup/openvpn.conf

@@ -1,4 +1,4 @@
-server 172.16.100.0 255.255.255.0
+# server 172.16.100.0 255.255.255.0
 verb 3
 tls-server
 ca /etc/openvpn/easyrsa/pki/ca.crt