mirror of
https://github.com/kairos-io/provider-kairos.git
synced 2025-09-24 20:47:27 +00:00
✨ Add recovery event
This commit is contained in:
mudler
committed by
Ettore Di Giacinto
Ettore Di Giacinto
parent
33eb2d9a84
commit
5e1ba9265d
8
go.mod
8
go.mod
@@ -3,18 +3,23 @@ module github.com/c3os-io/provider-c3os
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go 1.18
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replace github.com/c3os-io/c3os => /home/mudler/_git/c3os
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replace github.com/c3os-io/c3os/sdk => /home/mudler/_git/c3os/sdk
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require (
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github.com/c3os-io/c3os v0.0.0-00010101000000-000000000000
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github.com/c3os-io/c3os/sdk v0.0.0-20220810165607-7d6553114e1d
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github.com/creack/pty v1.1.19-0.20220421211855-0d412c9fbeb1
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github.com/gliderlabs/ssh v0.2.2
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github.com/ipfs/go-log v1.0.5
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github.com/mudler/edgevpn v0.15.3
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github.com/mudler/go-nodepair v0.0.0-20220507212557-7d47aa3cc1f1
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github.com/mudler/go-pluggable v0.0.0-20220716112424-189d463e3ff3
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github.com/mudler/go-processmanager v0.0.0-20211226182900-899fbb0b97f6
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github.com/mudler/yip v0.0.0-20220725150231-976737b2353c
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github.com/onsi/ginkgo/v2 v2.1.3
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github.com/onsi/gomega v1.19.0
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github.com/pterm/pterm v0.12.41
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github.com/urfave/cli v1.22.9
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go.uber.org/zap v1.21.0
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gopkg.in/yaml.v1 v1.0.0-20140924161607-9f9df34309c0
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@@ -23,6 +28,7 @@ require (
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)
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require (
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github.com/anmitsu/go-shlex v0.0.0-20161002113705-648efa622239 // indirect
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github.com/atomicgo/cursor v0.0.1 // indirect
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github.com/avast/retry-go v3.0.0+incompatible // indirect
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github.com/aybabtme/rgbterm v0.0.0-20170906152045-cc83f3b3ce59 // indirect
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@@ -124,7 +130,6 @@ require (
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github.com/minio/sha256-simd v1.0.0 // indirect
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github.com/mr-tron/base58 v1.2.0 // indirect
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github.com/mudler/go-isterminal v0.0.0-20211031135732-5e4e06fc5a58 // indirect
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github.com/mudler/go-processmanager v0.0.0-20211226182900-899fbb0b97f6 // indirect
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github.com/multiformats/go-base32 v0.0.4 // indirect
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github.com/multiformats/go-base36 v0.1.0 // indirect
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github.com/multiformats/go-multiaddr v0.5.0 // indirect
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@@ -148,7 +153,6 @@ require (
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github.com/prometheus/client_model v0.2.0 // indirect
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github.com/prometheus/common v0.34.0 // indirect
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github.com/prometheus/procfs v0.7.3 // indirect
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github.com/pterm/pterm v0.12.41 // indirect
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github.com/qeesung/image2ascii v1.0.1 // indirect
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github.com/raulk/clock v1.1.0 // indirect
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github.com/raulk/go-watchdog v1.2.0 // indirect
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7
go.sum
7
go.sum
@@ -74,6 +74,7 @@ github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751/go.mod h1:LOuy
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github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
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github.com/alecthomas/units v0.0.0-20190717042225-c3de453c63f4/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
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github.com/alecthomas/units v0.0.0-20190924025748-f65c72e2690d/go.mod h1:rBZYJk541a8SKzHPHnH3zbiI+7dagKZ0cgpgrD7Fyho=
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github.com/anmitsu/go-shlex v0.0.0-20161002113705-648efa622239 h1:kFOfPq6dUM1hTo4JG6LR5AXSUEsOjtdm0kw0FtQtMJA=
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github.com/anmitsu/go-shlex v0.0.0-20161002113705-648efa622239/go.mod h1:2FmKhYUyUczH0OGQWaF5ceTx0UBShxjsH6f8oGKYe2c=
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github.com/antihax/optional v1.0.0/go.mod h1:uupD/76wgC+ih3iEmQUL+0Ugr19nfwCT1kdvxnR2qWY=
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github.com/apache/thrift v0.12.0/go.mod h1:cp2SuWMxlEZw2r+iP2GNCdIi4C1qmUzdZFSVb+bacwQ=
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@@ -138,8 +139,6 @@ github.com/btcsuite/winsvc v1.0.0/go.mod h1:jsenWakMcC0zFBFurPLEAyrnc/teJEM1O46f
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github.com/buger/jsonparser v0.0.0-20181115193947-bf1c66bbce23/go.mod h1:bbYlZJ7hK1yFx9hf58LP0zeX7UjIGs20ufpu3evjr+s=
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github.com/c-robinson/iplib v1.0.3 h1:NG0UF0GoEsrC1/vyfX1Lx2Ss7CySWl3KqqXh3q4DdPU=
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github.com/c-robinson/iplib v1.0.3/go.mod h1:i3LuuFL1hRT5gFpBRnEydzw8R6yhGkF4szNDIbF8pgo=
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github.com/c3os-io/c3os/sdk v0.0.0-20220810165607-7d6553114e1d h1:2M/zhLA6v0pt/GQ7+EqMYgqQDkAZWfxMQvTScEb5TcE=
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github.com/c3os-io/c3os/sdk v0.0.0-20220810165607-7d6553114e1d/go.mod h1:yZVjsJTesh10MvO82nXoLJcN11faoZb2hfG06veCm1k=
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github.com/casbin/casbin/v2 v2.1.2/go.mod h1:YcPU1XXisHhLzuxH9coDNf2FbKpjGlbCg3n9yuLkIJQ=
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github.com/cavaliergopher/grab v2.0.0+incompatible/go.mod h1:6ICNRTQPwkMP0m2sKIDv/9XkhFJJwiEOQyZ+8E4H7Yg=
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github.com/cenkalti/backoff v2.2.1+incompatible/go.mod h1:90ReRw6GdpyfrHakVjL/QHaoyV4aDUVVkXQJJJ3NXXM=
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@@ -194,6 +193,8 @@ github.com/cpuguy83/go-md2man/v2 v2.0.2 h1:p1EgwI/C7NhT0JmVkwCD2ZBK8j4aeHQX2pMHH
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github.com/cpuguy83/go-md2man/v2 v2.0.2/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
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github.com/creack/pty v1.1.7/go.mod h1:lj5s0c3V2DBrqTV7llrYr5NG6My20zk30Fl46Y7DoTY=
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github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
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github.com/creack/pty v1.1.19-0.20220421211855-0d412c9fbeb1 h1:Tw0uuY+3UWYiSbR0+wsrJ30vY3zMFZ4JNPkSp9XdFyA=
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github.com/creack/pty v1.1.19-0.20220421211855-0d412c9fbeb1/go.mod h1:MOBLtS5ELjhRRrroQr9kyvTxUAFNvYEK993ew/Vr4O4=
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github.com/davecgh/go-spew v0.0.0-20171005155431-ecdeabc65495/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
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github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
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github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
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@@ -250,6 +251,7 @@ github.com/envoyproxy/go-control-plane v0.9.9-0.20210512163311-63b5d3c536b0/go.m
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github.com/envoyproxy/go-control-plane v0.9.10-0.20210907150352-cf90f659a021/go.mod h1:AFq3mo9L8Lqqiid3OhADV3RfLJnjiw63cSpi+fDTRC0=
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github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
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github.com/fatih/color v1.7.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5KwzbycvMj4=
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github.com/flynn/go-shlex v0.0.0-20150515145356-3f9db97f8568 h1:BHsljHzVlRcyQhjrss6TZTdY2VfCqZPbv5k3iBFa2ZQ=
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github.com/flynn/go-shlex v0.0.0-20150515145356-3f9db97f8568/go.mod h1:xEzjJPgXI435gkrCt3MPfRiAkVrwSbHsst4LCFVfpJc=
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github.com/flynn/noise v1.0.0 h1:DlTHqmzmvcEiKj+4RYo/imoswx/4r6iBlCMfVtrMXpQ=
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github.com/flynn/noise v1.0.0/go.mod h1:xbMo+0i6+IGbYdJhF31t2eR1BIU0CYc12+BNAKwUTag=
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@@ -270,6 +272,7 @@ github.com/gen2brain/shm v0.0.0-20200228170931-49f9650110c5 h1:Y5Q2mEwfzjMt5+3u7
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github.com/gen2brain/shm v0.0.0-20200228170931-49f9650110c5/go.mod h1:uF6rMu/1nvu+5DpiRLwusA6xB8zlkNoGzKn8lmYONUo=
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github.com/ghodss/yaml v1.0.0/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04=
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github.com/gliderlabs/ssh v0.1.1/go.mod h1:U7qILu1NlMHj9FlMhZLlkCdDnU1DBEAqr0aevW3Awn0=
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github.com/gliderlabs/ssh v0.2.2 h1:6zsha5zo/TWhRhwqCD3+EarCAgZ2yN28ipRnGPnwkI0=
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github.com/gliderlabs/ssh v0.2.2/go.mod h1:U7qILu1NlMHj9FlMhZLlkCdDnU1DBEAqr0aevW3Awn0=
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github.com/go-check/check v0.0.0-20180628173108-788fd7840127/go.mod h1:9ES+weclKsC9YodN5RgxqK/VD9HM9JsCSh7rNhMZE98=
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github.com/go-errors/errors v1.0.1/go.mod h1:f4zRHt4oKfwPJE5k8C9vpYG+aDHdBFUsgrm6/TyX73Q=
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98
internal/cli/recovery.go
Normal file
98
internal/cli/recovery.go
Normal file
@@ -0,0 +1,98 @@
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package cli
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import (
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"context"
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"fmt"
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"io"
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"os/exec"
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"time"
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config "github.com/c3os-io/c3os/pkg/config"
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"github.com/ipfs/go-log"
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"github.com/creack/pty"
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"github.com/gliderlabs/ssh"
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"github.com/mudler/edgevpn/pkg/logger"
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"github.com/mudler/edgevpn/pkg/node"
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"github.com/mudler/edgevpn/pkg/services"
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"github.com/pterm/pterm"
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)
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func startRecoveryService(ctx context.Context, token, name, address, loglevel string) error {
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nc := config.Network(token, "", loglevel, "c3osrecovery0")
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lvl, err := log.LevelFromString(loglevel)
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if err != nil {
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lvl = log.LevelError
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}
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llger := logger.New(lvl)
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o, _, err := nc.ToOpts(llger)
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if err != nil {
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llger.Fatal(err.Error())
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}
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o = append(o,
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services.Alive(
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time.Duration(20)*time.Second,
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time.Duration(10)*time.Second,
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time.Duration(10)*time.Second)...)
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// opts, err := vpn.Register(vpnOpts...)
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// if err != nil {
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// return err
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// }
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o = append(o, services.RegisterService(llger, time.Duration(5*time.Second), name, address)...)
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e, err := node.New(o...)
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if err != nil {
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return err
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}
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return e.Start(ctx)
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}
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func sshServer(listenAdddr, password string) {
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ssh.Handle(func(s ssh.Session) {
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cmd := exec.Command("bash")
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ptyReq, winCh, isPty := s.Pty()
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if isPty {
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cmd.Env = append(cmd.Env, fmt.Sprintf("TERM=%s", ptyReq.Term))
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f, err := pty.Start(cmd)
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if err != nil {
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pterm.Warning.Println("Failed reserving tty")
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}
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go func() {
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for win := range winCh {
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setWinsize(f, win.Width, win.Height)
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}
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}()
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go func() {
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io.Copy(f, s) //nolint:errcheck
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}()
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io.Copy(s, f) //nolint:errcheck
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cmd.Wait() //nolint:errcheck
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} else {
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io.WriteString(s, "No PTY requested.\n") //nolint:errcheck
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s.Exit(1) //nolint:errcheck
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}
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})
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pterm.Info.Println(ssh.ListenAndServe(listenAdddr, nil, ssh.PasswordAuth(func(ctx ssh.Context, pass string) bool {
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return pass == password
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}),
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))
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}
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func StartRecoveryService(tk, serviceUUID, generatedPassword, listenAddr string) error {
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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if err := startRecoveryService(ctx, tk, serviceUUID, listenAddr, "fatal"); err != nil {
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return err
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}
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sshServer(listenAddr, generatedPassword)
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return fmt.Errorf("should not return")
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}
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@@ -1,4 +1,4 @@
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package provider
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package cli
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import (
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"os"
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@@ -1,4 +1,4 @@
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package provider
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package cli
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|
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import (
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"os"
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@@ -30,6 +30,8 @@ var networkAPI = []cli.Flag{
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},
|
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}
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const recoveryAddr = "127.0.0.1:2222"
|
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func Start() error {
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app := &cli.App{
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Name: "c3os",
|
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@@ -50,8 +52,38 @@ For all the example cases, see: https://docs.c3os.io .
|
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`,
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UsageText: ``,
|
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Copyright: "Ettore Di Giacinto",
|
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|
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Commands: []cli.Command{
|
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{
|
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Name: "recovery-ssh-server",
|
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UsageText: "recovery-ssh-server",
|
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Usage: "Starts SSH recovery service",
|
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Description: `
|
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Spawn up a simple standalone ssh server over p2p
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`,
|
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ArgsUsage: "Spawn up a simple standalone ssh server over p2p",
|
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Flags: []cli.Flag{
|
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&cli.StringFlag{
|
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Name: "token",
|
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EnvVar: "TOKEN",
|
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},
|
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&cli.StringFlag{
|
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Name: "service",
|
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EnvVar: "SERVICE",
|
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},
|
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&cli.StringFlag{
|
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Name: "password",
|
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EnvVar: "PASSWORD",
|
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},
|
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&cli.StringFlag{
|
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Name: "listen",
|
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EnvVar: "LISTEN",
|
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Value: recoveryAddr,
|
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},
|
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},
|
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Action: func(c *cli.Context) error {
|
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return StartRecoveryService(c.String("token"), c.String("service"), c.String("password"), c.String("listen"))
|
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},
|
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},
|
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{
|
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Name: "register",
|
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UsageText: "register --reboot --device /dev/sda /image/snapshot.png",
|
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|
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@@ -1,136 +1,64 @@
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package agent
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package provider
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|
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import (
|
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"context"
|
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"fmt"
|
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"io"
|
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"os/exec"
|
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"time"
|
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"os"
|
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|
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"github.com/c3os-io/c3os/internal/cmd"
|
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config "github.com/c3os-io/c3os/pkg/config"
|
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"github.com/c3os-io/c3os/pkg/utils"
|
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"github.com/ipfs/go-log"
|
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|
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machine "github.com/c3os-io/c3os/pkg/machine"
|
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"github.com/creack/pty"
|
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"github.com/gliderlabs/ssh"
|
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"github.com/mudler/edgevpn/pkg/logger"
|
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"github.com/mudler/edgevpn/pkg/node"
|
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"github.com/mudler/edgevpn/pkg/services"
|
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nodepair "github.com/mudler/go-nodepair"
|
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qr "github.com/mudler/go-nodepair/qrcode"
|
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"github.com/pterm/pterm"
|
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"github.com/mudler/go-pluggable"
|
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process "github.com/mudler/go-processmanager"
|
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)
|
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|
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const recoveryAddr = "127.0.0.1:2222"
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const sshStateDir = "/tmp/.ssh_recovery"
|
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|
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func startRecoveryService(ctx context.Context, token, name, address, loglevel string) error {
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func Recovery(e *pluggable.Event) pluggable.EventResponse {
|
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|
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nc := config.Network(token, "", loglevel, "c3osrecovery0")
|
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|
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lvl, err := log.LevelFromString(loglevel)
|
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if err != nil {
|
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lvl = log.LevelError
|
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}
|
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llger := logger.New(lvl)
|
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|
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o, _, err := nc.ToOpts(llger)
|
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if err != nil {
|
||||
llger.Fatal(err.Error())
|
||||
}
|
||||
|
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o = append(o,
|
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services.Alive(
|
||||
time.Duration(20)*time.Second,
|
||||
time.Duration(10)*time.Second,
|
||||
time.Duration(10)*time.Second)...)
|
||||
|
||||
// opts, err := vpn.Register(vpnOpts...)
|
||||
// if err != nil {
|
||||
// return err
|
||||
// }
|
||||
o = append(o, services.RegisterService(llger, time.Duration(5*time.Second), name, address)...)
|
||||
|
||||
e, err := node.New(o...)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
return e.Start(ctx)
|
||||
}
|
||||
|
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func Recovery() error {
|
||||
|
||||
cmd.PrintBranding(DefaultBanner)
|
||||
|
||||
agentConfig, err := LoadConfig()
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
resp := &pluggable.EventResponse{}
|
||||
|
||||
tk := nodepair.GenerateToken()
|
||||
ctx, cancel := context.WithCancel(context.Background())
|
||||
defer cancel()
|
||||
|
||||
serviceUUID := utils.RandStringRunes(10)
|
||||
generatedPassword := utils.RandStringRunes(7)
|
||||
|
||||
if err := startRecoveryService(ctx, tk, serviceUUID, recoveryAddr, "fatal"); err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
cmd.PrintText(agentConfig.Branding.Recovery, "Recovery")
|
||||
|
||||
time.Sleep(5 * time.Second)
|
||||
|
||||
pterm.Info.Printfln(
|
||||
resp.Data = utils.EncodeRecoveryToken(tk, serviceUUID, generatedPassword)
|
||||
resp.State = fmt.Sprintf(
|
||||
"starting ssh server on '%s', password: '%s' service: '%s' ", recoveryAddr, generatedPassword, serviceUUID)
|
||||
|
||||
qr.Print(utils.EncodeRecoveryToken(tk, serviceUUID, generatedPassword))
|
||||
// start ssh server in a separate process
|
||||
|
||||
go sshServer(recoveryAddr, generatedPassword)
|
||||
sshServer := process.New(
|
||||
process.WithName(os.Args[0]),
|
||||
process.WithArgs("recovery-ssh-server"),
|
||||
process.WithEnvironment(
|
||||
fmt.Sprintf("TOKEN=%s", tk),
|
||||
fmt.Sprintf("SERVICE=%s", serviceUUID),
|
||||
fmt.Sprintf("LISTEN=%s", recoveryAddr),
|
||||
fmt.Sprintf("PASSWORD=%s", generatedPassword),
|
||||
),
|
||||
process.WithStateDir(sshStateDir),
|
||||
)
|
||||
|
||||
// Wait for user input and go back to shell
|
||||
utils.Prompt("") //nolint:errcheck
|
||||
cancel()
|
||||
// give tty1 back
|
||||
svc, err := machine.Getty(1)
|
||||
if err == nil {
|
||||
svc.Start() //nolint:errcheck
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
func sshServer(listenAdddr, password string) {
|
||||
ssh.Handle(func(s ssh.Session) {
|
||||
cmd := exec.Command("bash")
|
||||
ptyReq, winCh, isPty := s.Pty()
|
||||
if isPty {
|
||||
cmd.Env = append(cmd.Env, fmt.Sprintf("TERM=%s", ptyReq.Term))
|
||||
f, err := pty.Start(cmd)
|
||||
err := sshServer.Run()
|
||||
if err != nil {
|
||||
pterm.Warning.Println("Failed reserving tty")
|
||||
resp.Error = err.Error()
|
||||
}
|
||||
go func() {
|
||||
for win := range winCh {
|
||||
setWinsize(f, win.Width, win.Height)
|
||||
return *resp
|
||||
}
|
||||
}()
|
||||
go func() {
|
||||
io.Copy(f, s) //nolint:errcheck
|
||||
}()
|
||||
io.Copy(s, f) //nolint:errcheck
|
||||
cmd.Wait() //nolint:errcheck
|
||||
} else {
|
||||
io.WriteString(s, "No PTY requested.\n") //nolint:errcheck
|
||||
s.Exit(1) //nolint:errcheck
|
||||
}
|
||||
})
|
||||
|
||||
pterm.Info.Println(ssh.ListenAndServe(listenAdddr, nil, ssh.PasswordAuth(func(ctx ssh.Context, pass string) bool {
|
||||
return pass == password
|
||||
}),
|
||||
))
|
||||
func RecoveryStop(e *pluggable.Event) pluggable.EventResponse {
|
||||
resp := &pluggable.EventResponse{}
|
||||
|
||||
sshServer := process.New(
|
||||
process.WithStateDir(sshStateDir),
|
||||
)
|
||||
|
||||
err := sshServer.Stop()
|
||||
if err != nil {
|
||||
resp.Error = err.Error()
|
||||
} else {
|
||||
os.RemoveAll(sshStateDir)
|
||||
}
|
||||
return *resp
|
||||
}
|
||||
|
||||
@@ -21,6 +21,8 @@ func Start() error {
|
||||
// Expected output: string
|
||||
factory.Add(bus.EventChallenge, Challenge)
|
||||
|
||||
return factory.Run(pluggable.EventType(os.Args[1]), os.Stdin, os.Stdout)
|
||||
factory.Add(bus.EventRecovery, Recovery)
|
||||
factory.Add(bus.EventRecoveryStop, RecoveryStop)
|
||||
|
||||
return factory.Run(pluggable.EventType(os.Args[1]), os.Stdin, os.Stdout)
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user