From 84d7abb34074722b52071c157308091e8b1f4e7e Mon Sep 17 00:00:00 2001
From: JonasS <jonass@dev.jsje.de>
Date: Tue, 22 Nov 2022 20:04:50 +0100
Subject: [PATCH] Version 3.9.2 - allow specification of existing public IP
 (closes #88, thanks @ItsReddi) - fix server being assigned a public IP even
 when explicitly disabled (closes #90, thanks @makmarius) - fix version
 display (closes #92, thanks @makmarius) - add instrumented builds

---
 .goreleaser.yml         | 11 +++++++-
 README.md               |  4 +--
 driver.go               | 40 +++++++++++++++--------------
 flag_failure.go         |  2 +-
 flag_failure_debug.go   |  2 +-
 go.mod                  | 26 +++++++++----------
 go.sum                  | 56 ++++++++++++++++++++---------------------
 instrumentation_impl.go | 20 +++++++++++++++
 instrumentation_stub.go |  7 ++++++
 main.go                 | 11 ++++----
 10 files changed, 108 insertions(+), 71 deletions(-)
 create mode 100644 instrumentation_impl.go
 create mode 100644 instrumentation_stub.go

diff --git a/.goreleaser.yml b/.goreleaser.yml
index d4f70b4..b52e5b3 100644
--- a/.goreleaser.yml
+++ b/.goreleaser.yml
@@ -6,5 +6,14 @@ builds:
     goarch:
       - amd64
       - arm64
-    env:
+    env: &default-env
       - CGO_ENABLED=0
+  - id: instrumented
+    goos:
+      - linux
+      - windows
+    goarch:
+      - amd64
+    env: *default-env
+    tags: instrumented
+    binary: docker-machine-driver-hetzner_instrumented
diff --git a/README.md b/README.md
index 513dfa2..36cddb6 100644
--- a/README.md
+++ b/README.md
@@ -15,8 +15,8 @@ You can find sources and pre-compiled binaries [here](https://github.com/JonasPr
 
 ```bash
 # Download the binary (this example downloads the binary for linux amd64)
-$ wget https://github.com/JonasProgrammer/docker-machine-driver-hetzner/releases/download/3.9.0/docker-machine-driver-hetzner_3.9.0_linux_amd64.tar.gz
-$ tar -xvf docker-machine-driver-hetzner_3.9.0_linux_amd64.tar.gz
+$ wget https://github.com/JonasProgrammer/docker-machine-driver-hetzner/releases/download/3.9.2/docker-machine-driver-hetzner_3.9.2_linux_amd64.tar.gz
+$ tar -xvf docker-machine-driver-hetzner_3.9.2_linux_amd64.tar.gz
 
 # Make it executable and copy the binary in a directory accessible with your $PATH
 $ chmod +x docker-machine-driver-hetzner
diff --git a/driver.go b/driver.go
index 9cc3db4..3bc1014 100644
--- a/driver.go
+++ b/driver.go
@@ -325,6 +325,8 @@ func (d *Driver) setConfigFromFlagsImpl(opts drivers.DriverOptions) error {
 		return d.flagFailure("--%v and --%v are mutually exclusive", flagPrimary6, flagDisablePublic6)
 	}
 
+	instrumented(d)
+
 	return nil
 }
 
@@ -438,7 +440,7 @@ func (d *Driver) Create() error {
 		return err
 	}
 
-	srv, _, err := d.getClient().Server.Create(context.Background(), *srvopts)
+	srv, _, err := d.getClient().Server.Create(context.Background(), instrumented(*srvopts))
 	if err != nil {
 		return errors.Wrap(err, "could not create server")
 	}
@@ -531,7 +533,7 @@ func (d *Driver) makeCreateServerOptions() (*hcloud.ServerCreateOpts, error) {
 		PlacementGroup: pgrp,
 	}
 
-	err = d.setPublicNetIfRequired(srvopts)
+	err = d.setPublicNetIfRequired(&srvopts)
 	if err != nil {
 		return nil, err
 	}
@@ -571,7 +573,7 @@ func (d *Driver) makeCreateServerOptions() (*hcloud.ServerCreateOpts, error) {
 	return &srvopts, nil
 }
 
-func (d *Driver) setPublicNetIfRequired(srvopts hcloud.ServerCreateOpts) error {
+func (d *Driver) setPublicNetIfRequired(srvopts *hcloud.ServerCreateOpts) error {
 	pip4, err := d.getPrimaryIPv4()
 	if err != nil {
 		return err
@@ -583,8 +585,8 @@ func (d *Driver) setPublicNetIfRequired(srvopts hcloud.ServerCreateOpts) error {
 
 	if d.DisablePublic4 || d.DisablePublic6 || pip4 != nil || pip6 != nil {
 		srvopts.PublicNet = &hcloud.ServerCreatePublicNet{
-			EnableIPv4: !d.DisablePublic4,
-			EnableIPv6: !d.DisablePublic6,
+			EnableIPv4: !d.DisablePublic4 || pip4 != nil,
+			EnableIPv6: !d.DisablePublic6 || pip6 != nil,
 			IPv4:       pip4,
 			IPv6:       pip6,
 		}
@@ -604,7 +606,7 @@ func (d *Driver) createNetworks() ([]*hcloud.Network, error) {
 		}
 		networks = append(networks, network)
 	}
-	return networks, nil
+	return instrumented(networks), nil
 }
 
 func (d *Driver) createFirewalls() ([]*hcloud.ServerCreateFirewall, error) {
@@ -619,7 +621,7 @@ func (d *Driver) createFirewalls() ([]*hcloud.ServerCreateFirewall, error) {
 		}
 		firewalls = append(firewalls, &hcloud.ServerCreateFirewall{Firewall: *firewall})
 	}
-	return firewalls, nil
+	return instrumented(firewalls), nil
 }
 
 func (d *Driver) createVolumes() ([]*hcloud.Volume, error) {
@@ -634,7 +636,7 @@ func (d *Driver) createVolumes() ([]*hcloud.Volume, error) {
 		}
 		volumes = append(volumes, volume)
 	}
-	return volumes, nil
+	return instrumented(volumes), nil
 }
 
 func (d *Driver) createRemoteKeys() error {
@@ -711,7 +713,7 @@ func (d *Driver) makeKey(name string, pubkey string, labels map[string]string) (
 		Labels:    labels,
 	}
 
-	key, _, err := d.getClient().SSHKey.Create(context.Background(), keyopts)
+	key, _, err := d.getClient().SSHKey.Create(context.Background(), instrumented(keyopts))
 	if err != nil {
 		return nil, errors.Wrap(err, "could not create ssh key")
 	} else if key == nil {
@@ -916,7 +918,7 @@ func (d *Driver) Kill() error {
 }
 
 func (d *Driver) getClient() *hcloud.Client {
-	return hcloud.NewClient(hcloud.WithToken(d.AccessToken), hcloud.WithApplication("docker-machine-driver", Version))
+	return hcloud.NewClient(hcloud.WithToken(d.AccessToken), hcloud.WithApplication("docker-machine-driver", version))
 }
 
 func (d *Driver) copySSHKeyPair(src string) error {
@@ -958,7 +960,7 @@ func (d *Driver) getType() (*hcloud.ServerType, error) {
 		return stype, errors.Wrap(err, "could not get type by name")
 	}
 	d.cachedType = stype
-	return stype, nil
+	return instrumented(stype), nil
 }
 
 func (d *Driver) getImage() (*hcloud.Image, error) {
@@ -982,7 +984,7 @@ func (d *Driver) getImage() (*hcloud.Image, error) {
 	}
 
 	d.cachedImage = image
-	return image, nil
+	return instrumented(image), nil
 }
 
 func (d *Driver) getKey() (*hcloud.SSHKey, error) {
@@ -995,7 +997,7 @@ func (d *Driver) getKey() (*hcloud.SSHKey, error) {
 		return stype, errors.Wrap(err, "could not get sshkey by ID")
 	}
 	d.cachedKey = stype
-	return stype, nil
+	return instrumented(stype), nil
 }
 
 func (d *Driver) getRemoteKeyWithSameFingerprint(publicKeyBytes []byte) (*hcloud.SSHKey, error) {
@@ -1010,7 +1012,7 @@ func (d *Driver) getRemoteKeyWithSameFingerprint(publicKeyBytes []byte) (*hcloud
 	if err != nil {
 		return remoteKey, errors.Wrap(err, "could not get sshkey by fingerprint")
 	}
-	return remoteKey, nil
+	return instrumented(remoteKey), nil
 }
 
 func (d *Driver) getServerHandle() (*hcloud.Server, error) {
@@ -1074,15 +1076,15 @@ func (d *Driver) getAutoPlacementGroup() (*hcloud.PlacementGroup, error) {
 		d.labelName(labelAutoCreated):  "true",
 	})
 
-	return grp, err
+	return instrumented(grp), err
 }
 
 func (d *Driver) makePlacementGroup(name string, labels map[string]string) (*hcloud.PlacementGroup, error) {
-	grp, _, err := d.getClient().PlacementGroup.Create(context.Background(), hcloud.PlacementGroupCreateOpts{
+	grp, _, err := d.getClient().PlacementGroup.Create(context.Background(), instrumented(hcloud.PlacementGroupCreateOpts{
 		Name:   name,
 		Labels: labels,
 		Type:   "spread",
-	})
+	}))
 
 	if grp.PlacementGroup != nil {
 		d.dangling = append(d.dangling, func() {
@@ -1097,7 +1099,7 @@ func (d *Driver) makePlacementGroup(name string, labels map[string]string) (*hcl
 		return nil, fmt.Errorf("could not create placement group: %w", err)
 	}
 
-	return grp.PlacementGroup, nil
+	return instrumented(grp.PlacementGroup), nil
 }
 
 func (d *Driver) getPlacementGroup() (*hcloud.PlacementGroup, error) {
@@ -1193,7 +1195,7 @@ func (d *Driver) resolvePrimaryIP(raw string) (*hcloud.PrimaryIP, error) {
 	}
 
 	if ip != nil {
-		return ip, nil
+		return instrumented(ip), nil
 	}
 
 	return nil, fmt.Errorf("primary IP not found: %v", raw)
diff --git a/flag_failure.go b/flag_failure.go
index b58ded3..262547e 100644
--- a/flag_failure.go
+++ b/flag_failure.go
@@ -1,4 +1,4 @@
-//go:build !flag_debug
+//go:build !flag_debug && !instrumented
 
 package main
 
diff --git a/flag_failure_debug.go b/flag_failure_debug.go
index 3d25f40..333c338 100644
--- a/flag_failure_debug.go
+++ b/flag_failure_debug.go
@@ -1,4 +1,4 @@
-//go:build flag_debug
+//go:build flag_debug || instrumented
 
 package main
 
diff --git a/go.mod b/go.mod
index 8feb740..4379c1f 100644
--- a/go.mod
+++ b/go.mod
@@ -4,26 +4,26 @@ go 1.18
 
 require (
 	github.com/docker/machine v0.16.2
-	github.com/hetznercloud/hcloud-go v1.35.1
+	github.com/hetznercloud/hcloud-go v1.37.0
 	github.com/pkg/errors v0.9.1
-	golang.org/x/crypto v0.0.0-20220622213112-05595931fe9d
+	golang.org/x/crypto v0.3.0
 )
 
 require (
 	github.com/Azure/go-ansiterm v0.0.0-20210617225240-d185dfc1b5a1 // indirect
 	github.com/beorn7/perks v1.0.1 // indirect
 	github.com/cespare/xxhash/v2 v2.1.2 // indirect
-	github.com/docker/docker v20.10.17+incompatible // indirect
+	github.com/docker/docker v20.10.21+incompatible // indirect
 	github.com/golang/protobuf v1.5.2 // indirect
-	github.com/matttproud/golang_protobuf_extensions v1.0.1 // indirect
-	github.com/moby/term v0.0.0-20210619224110-3f7ff695adc6 // indirect
-	github.com/prometheus/client_golang v1.12.2 // indirect
-	github.com/prometheus/client_model v0.2.0 // indirect
+	github.com/matttproud/golang_protobuf_extensions v1.0.4 // indirect
+	github.com/moby/term v0.0.0-20221120202655-abb19827d345 // indirect
+	github.com/prometheus/client_golang v1.14.0 // indirect
+	github.com/prometheus/client_model v0.3.0 // indirect
 	github.com/prometheus/common v0.37.0 // indirect
-	github.com/prometheus/procfs v0.7.3 // indirect
-	golang.org/x/net v0.0.0-20220708220712-1185a9018129 // indirect
-	golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8 // indirect
-	golang.org/x/term v0.0.0-20220526004731-065cf7ba2467 // indirect
-	golang.org/x/text v0.3.7 // indirect
-	google.golang.org/protobuf v1.28.0 // indirect
+	github.com/prometheus/procfs v0.8.0 // indirect
+	golang.org/x/net v0.2.0 // indirect
+	golang.org/x/sys v0.2.0 // indirect
+	golang.org/x/term v0.2.0 // indirect
+	golang.org/x/text v0.4.0 // indirect
+	google.golang.org/protobuf v1.28.1 // indirect
 )
diff --git a/go.sum b/go.sum
index 27ed2b7..e53cc4a 100644
--- a/go.sum
+++ b/go.sum
@@ -54,12 +54,11 @@ github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMn
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
 github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc=
 github.com/creack/pty v1.1.11 h1:07n33Z8lZxZ2qwegKbObQohDhXDQxiMMz1NOUGYlesw=
-github.com/creack/pty v1.1.11/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/docker/docker v20.10.17+incompatible h1:JYCuMrWaVNophQTOrMMoSwudOVEfcegoZZrleKc1xwE=
-github.com/docker/docker v20.10.17+incompatible/go.mod h1:eEKB0N0r5NX/I1kEveEz05bcu8tLC/8azJZsviup8Sk=
+github.com/docker/docker v20.10.21+incompatible h1:UTLdBmHk3bEY+w8qeO5KttOhy6OmXWsl/FEet9Uswog=
+github.com/docker/docker v20.10.21+incompatible/go.mod h1:eEKB0N0r5NX/I1kEveEz05bcu8tLC/8azJZsviup8Sk=
 github.com/docker/machine v0.16.2 h1:jyF9k3Zg+oIGxxSdYKPScyj3HqFZ6FjgA/3sblcASiU=
 github.com/docker/machine v0.16.2/go.mod h1:I8mPNDeK1uH+JTcUU7X0ZW8KiYz0jyAgNaeSJ1rCfDI=
 github.com/envoyproxy/go-control-plane v0.9.0/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
@@ -117,8 +116,8 @@ github.com/google/go-cmp v0.4.1/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/
 github.com/google/go-cmp v0.5.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/go-cmp v0.5.1/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/go-cmp v0.5.4/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
-github.com/google/go-cmp v0.5.5 h1:Khx7svrCpmxxtHBq5j2mp/xVjsi8hQMfNLvJFAlrGgU=
 github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
+github.com/google/go-cmp v0.5.8 h1:e6P7q2lk1O+qJJb4BtCQXlK8vWEO8V1ZeuEdJNOqZyg=
 github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg=
 github.com/google/martian v2.1.0+incompatible/go.mod h1:9I4somxYTbIHy5NJKHRl3wXiIaQGbYVAs8BPL6v8lEs=
 github.com/google/martian/v3 v3.0.0/go.mod h1:y5Zk1BBys9G+gd6Jrk0W3cC1+ELVxBWuIGO+w/tUAp0=
@@ -134,8 +133,8 @@ github.com/googleapis/gax-go/v2 v2.0.4/go.mod h1:0Wqv26UfaUD9n4G6kQubkQ+KchISgw+
 github.com/googleapis/gax-go/v2 v2.0.5/go.mod h1:DWXyrwAJ9X0FpwwEdw+IPEYBICEFu5mhpdKc/us6bOk=
 github.com/hashicorp/golang-lru v0.5.0/go.mod h1:/m3WP610KZHVQ1SGc6re/UDhFvYD7pJ4Ao+sR/qLZy8=
 github.com/hashicorp/golang-lru v0.5.1/go.mod h1:/m3WP610KZHVQ1SGc6re/UDhFvYD7pJ4Ao+sR/qLZy8=
-github.com/hetznercloud/hcloud-go v1.35.1 h1:/9d9BCWDavHbsUee5ECUNABiiTlZEfVSIsdbdq3tXHc=
-github.com/hetznercloud/hcloud-go v1.35.1/go.mod h1:mepQwR6va27S3UQthaEPGS86jtzSY9xWL1e9dyxXpgA=
+github.com/hetznercloud/hcloud-go v1.37.0 h1:Uwu7OKfZvar86LfJuzItStoO1AL7DVDCqWzRGzrvdEw=
+github.com/hetznercloud/hcloud-go v1.37.0/go.mod h1:mepQwR6va27S3UQthaEPGS86jtzSY9xWL1e9dyxXpgA=
 github.com/ianlancetaylor/demangle v0.0.0-20181102032728-5e5cf60278f6/go.mod h1:aSSvb/t6k1mPoxDqO4vJh6VOCGPwU4O0C2/Eqndh1Sc=
 github.com/jpillora/backoff v1.0.0/go.mod h1:J/6gKK9jxlEcS3zixgDgUAsiuZ7yrSoa/FX5e0EB2j4=
 github.com/json-iterator/go v1.1.6/go.mod h1:+SdeFBvtyEkXs7REEP0seUULqWtbJapLOCVDaaPEHmU=
@@ -153,10 +152,11 @@ github.com/kr/logfmt v0.0.0-20140226030751-b84e30acd515/go.mod h1:+0opPa2QZZtGFB
 github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
 github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
 github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
-github.com/matttproud/golang_protobuf_extensions v1.0.1 h1:4hp9jkHxhMHkqkrB3Ix0jegS5sx/RkqARlsWZ6pIwiU=
 github.com/matttproud/golang_protobuf_extensions v1.0.1/go.mod h1:D8He9yQNgCq6Z5Ld7szi9bcBfOoFv/3dc6xSMkL2PC0=
-github.com/moby/term v0.0.0-20210619224110-3f7ff695adc6 h1:dcztxKSvZ4Id8iPpHERQBbIJfabdt4wUm5qy3wOL2Zc=
-github.com/moby/term v0.0.0-20210619224110-3f7ff695adc6/go.mod h1:E2VnQOmVuvZB6UYnnDB0qG5Nq/1tD9acaOpo6xmt0Kw=
+github.com/matttproud/golang_protobuf_extensions v1.0.4 h1:mmDVorXM7PCGKw94cs5zkfA9PSy5pEvNWRP0ET0TIVo=
+github.com/matttproud/golang_protobuf_extensions v1.0.4/go.mod h1:BSXmuO+STAnVfrANrmjBb36TMTDstsz7MSK+HVaYKv4=
+github.com/moby/term v0.0.0-20221120202655-abb19827d345 h1:J9c53/kxIH+2nTKBEfZYFMlhghtHpIHSXpm5VRGHSnU=
+github.com/moby/term v0.0.0-20221120202655-abb19827d345/go.mod h1:15ce4BGCFxt7I5NQKT+HV0yEDxmf6fSysfEDiVo3zFM=
 github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
 github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
 github.com/modern-go/reflect2 v0.0.0-20180701023420-4b7aa43c6742/go.mod h1:bx2lNnkwVCuqBIxFjflWJWanXIb3RllmbCylyMrvgv0=
@@ -175,13 +175,14 @@ github.com/prometheus/client_golang v1.0.0/go.mod h1:db9x61etRT2tGnBNRi70OPL5Fsn
 github.com/prometheus/client_golang v1.7.1/go.mod h1:PY5Wy2awLA44sXw4AOSfFBetzPP4j5+D6mVACh+pe2M=
 github.com/prometheus/client_golang v1.11.0/go.mod h1:Z6t4BnS23TR94PD6BsDNk8yVqroYurpAkEiz0P2BEV0=
 github.com/prometheus/client_golang v1.12.1/go.mod h1:3Z9XVyYiZYEO+YQWt3RD2R3jrbd179Rt297l4aS6nDY=
-github.com/prometheus/client_golang v1.12.2 h1:51L9cDoUHVrXx4zWYlcLQIZ+d+VXHgqnYKkIuq4g/34=
-github.com/prometheus/client_golang v1.12.2/go.mod h1:3Z9XVyYiZYEO+YQWt3RD2R3jrbd179Rt297l4aS6nDY=
+github.com/prometheus/client_golang v1.14.0 h1:nJdhIvne2eSX/XRAFV9PcvFFRbrjbcTUj0VP62TMhnw=
+github.com/prometheus/client_golang v1.14.0/go.mod h1:8vpkKitgIVNcqrRBWh1C4TIUQgYNtG/XQE4E/Zae36Y=
 github.com/prometheus/client_model v0.0.0-20180712105110-5c3871d89910/go.mod h1:MbSGuTsp3dbXC40dX6PRTWyKYBIrTGTE9sqQNg2J8bo=
 github.com/prometheus/client_model v0.0.0-20190129233127-fd36f4220a90/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
 github.com/prometheus/client_model v0.0.0-20190812154241-14fe0d1b01d4/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
-github.com/prometheus/client_model v0.2.0 h1:uq5h0d+GuxiXLJLNABMgp2qUWDPiLvgCzz2dUR+/W/M=
 github.com/prometheus/client_model v0.2.0/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
+github.com/prometheus/client_model v0.3.0 h1:UBgGFHqYdG/TPFD1B1ogZywDqEkwp3fBMvqdiQ7Xew4=
+github.com/prometheus/client_model v0.3.0/go.mod h1:LDGWKZIo7rky3hgvBe+caln+Dr3dPggB5dvjtD7w9+w=
 github.com/prometheus/common v0.4.1/go.mod h1:TNfzLD0ON7rHzMJeJkieUDPYmFC7Snx/y86RQel1bk4=
 github.com/prometheus/common v0.10.0/go.mod h1:Tlit/dnDKsSWFlCLTWaA1cyBgKHSMdTB80sz/V91rCo=
 github.com/prometheus/common v0.26.0/go.mod h1:M7rCNAaPfAosfx8veZJCuw84e35h3Cfd9VFqTh1DIvc=
@@ -192,13 +193,13 @@ github.com/prometheus/procfs v0.0.0-20181005140218-185b4288413d/go.mod h1:c3At6R
 github.com/prometheus/procfs v0.0.2/go.mod h1:TjEm7ze935MbeOT/UhFTIMYKhuLP4wbCsTZCD3I8kEA=
 github.com/prometheus/procfs v0.1.3/go.mod h1:lV6e/gmhEcM9IjHGsFOCxxuZ+z1YqCvr4OA4YeYWdaU=
 github.com/prometheus/procfs v0.6.0/go.mod h1:cz+aTbrPOrUb4q7XlbU9ygM+/jj0fzG6c1xBZuNvfVA=
-github.com/prometheus/procfs v0.7.3 h1:4jVXhlkAyzOScmCkXBTOLRLTz8EeU+eyjrwB/EPq0VU=
 github.com/prometheus/procfs v0.7.3/go.mod h1:cz+aTbrPOrUb4q7XlbU9ygM+/jj0fzG6c1xBZuNvfVA=
+github.com/prometheus/procfs v0.8.0 h1:ODq8ZFEaYeCaZOJlZZdJA2AbQR98dSHSM1KW/You5mo=
+github.com/prometheus/procfs v0.8.0/go.mod h1:z7EfXMXOkbkqb9IINtpCn86r/to3BnA0uaxHdg830/4=
 github.com/rogpeppe/go-internal v1.3.0/go.mod h1:M8bDsm7K2OlrFYOpmOWEs/qY81heoFRclV5y23lUDJ4=
 github.com/sirupsen/logrus v1.2.0/go.mod h1:LxeOpSwHxABJmUn/MG1IvRgCAasNZTLOkJPxbbu5VWo=
 github.com/sirupsen/logrus v1.4.2/go.mod h1:tLMulIdttU9McNUspp0xgXVQah82FyeX6MwdIuYE2rE=
 github.com/sirupsen/logrus v1.6.0/go.mod h1:7uNnSEd1DgxDLC74fIahvMZmmYsHGZGEOFrfsX/uA88=
-github.com/spf13/pflag v1.0.3/go.mod h1:DYY7MBk1bdzusC3SYhjObp+wFpr4gzcvqqNjLnInEg4=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/objx v0.1.1/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
@@ -219,8 +220,8 @@ golang.org/x/crypto v0.0.0-20190510104115-cbcb75029529/go.mod h1:yigFU9vqHzYiE8U
 golang.org/x/crypto v0.0.0-20190605123033-f99c8df09eb5/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
-golang.org/x/crypto v0.0.0-20220622213112-05595931fe9d h1:sK3txAijHtOK88l68nt020reeT1ZdKLIYetKl95FzVY=
-golang.org/x/crypto v0.0.0-20220622213112-05595931fe9d/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4=
+golang.org/x/crypto v0.3.0 h1:a06MkbcxBrEFc0w0QIZWXrH/9cCX6KJyWbBOIwAn+7A=
+golang.org/x/crypto v0.3.0/go.mod h1:hebNnKkNXi2UzZN1eVRvBB7co0a+JxK6XbPiWVs/3J4=
 golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/exp v0.0.0-20190306152737-a1d7652674e8/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/exp v0.0.0-20190510132918-efd6b22b2522/go.mod h1:ZjyILWgesfNpC6sMxTJOJm9Kp84zZh5NQWvqDGG3Qr8=
@@ -282,8 +283,8 @@ golang.org/x/net v0.0.0-20200822124328-c89045814202/go.mod h1:/O7V0waA8r7cgGh81R
 golang.org/x/net v0.0.0-20210525063256-abc453219eb5/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
 golang.org/x/net v0.0.0-20220127200216-cd36cc0744dd/go.mod h1:CfG3xpIq0wQ8r1q4Su4UZFWDARRcnwPjda9FqA0JpMk=
 golang.org/x/net v0.0.0-20220225172249-27dd8689420f/go.mod h1:CfG3xpIq0wQ8r1q4Su4UZFWDARRcnwPjda9FqA0JpMk=
-golang.org/x/net v0.0.0-20220708220712-1185a9018129 h1:vucSRfWwTsoXro7P+3Cjlr6flUMtzCwzlvkxEQtHHB0=
-golang.org/x/net v0.0.0-20220708220712-1185a9018129/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c=
+golang.org/x/net v0.2.0 h1:sZfSu1wtKLGlWI4ZZayP0ck9Y73K1ynO6gqzTdBVdPU=
+golang.org/x/net v0.2.0/go.mod h1:KqCZLdyyvdV855qA2rE3GC2aiw5xGR5TEjj8smXukLY=
 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/oauth2 v0.0.0-20190226205417-e64efc72b421/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
 golang.org/x/oauth2 v0.0.0-20190604053449-0f29369cfe45/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
@@ -339,20 +340,21 @@ golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBc
 golang.org/x/sys v0.0.0-20210616094352-59db8d763f22/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20211216021012-1d35b9e2eb4e/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220114195835-da31bd327af9/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8 h1:0A+M6Uqn+Eje4kHMK80dtF3JCXC4ykBgQG4Fe06QRhQ=
-golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.2.0 h1:ljd4t30dBnAvMZaQCevtY0xLLD0A+bRZXbgLMLU1F/A=
+golang.org/x/sys v0.2.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
-golang.org/x/term v0.0.0-20220526004731-065cf7ba2467 h1:CBpWXWQpIRjzmkkA+M7q9Fqnwd2mZr3AFqexg8YTfoM=
-golang.org/x/term v0.0.0-20220526004731-065cf7ba2467/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
+golang.org/x/term v0.2.0 h1:z85xZCsEl7bi/KwbNADeBYoOP0++7W1ipu+aGnpwzRM=
+golang.org/x/term v0.2.0/go.mod h1:TVmDHMZPmdnySmBfhjOoOdhjzdE1h4u1VwSiw2l1Nuc=
 golang.org/x/text v0.0.0-20170915032832-14c0d48ead0c/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.1-0.20180807135948-17ff2d5776d2/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
-golang.org/x/text v0.3.7 h1:olpwvP2KacW1ZWvsR7uQhoyTYvKAupfQrRGBFM352Gk=
 golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
+golang.org/x/text v0.4.0 h1:BrVqGRd7+k1DiOgtnFvAkoQEWQvBc25ouMJM6429SFg=
+golang.org/x/text v0.4.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
 golang.org/x/time v0.0.0-20181108054448-85acf8d2951c/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/time v0.0.0-20190308202827-9d24e82272b4/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/time v0.0.0-20191024005414-555d28b269f0/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
@@ -367,7 +369,6 @@ golang.org/x/tools v0.0.0-20190506145303-2d16b83fe98c/go.mod h1:RgjU9mgBXZiqYHBn
 golang.org/x/tools v0.0.0-20190524140312-2c0ae7006135/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
 golang.org/x/tools v0.0.0-20190606124116-d0a3d012864b/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc=
 golang.org/x/tools v0.0.0-20190621195816-6e04913cbbac/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc=
-golang.org/x/tools v0.0.0-20190624222133-a101b041ded4/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc=
 golang.org/x/tools v0.0.0-20190628153133-6cdbf07be9d0/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc=
 golang.org/x/tools v0.0.0-20190816200558-6889da9d5479/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.0.0-20190911174233-4f2ddba30aff/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
@@ -400,7 +401,6 @@ golang.org/x/tools v0.0.0-20200825202427-b303f430e36d/go.mod h1:njjCfa9FT2d7l9Bc
 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=
-golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 h1:go1bK/D/BFZV2I8cIQd1NKEZ+0owSTG1fDTci4IqFcE=
 golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 google.golang.org/api v0.4.0/go.mod h1:8k5glujaEP+g9n7WNsDg8QP6cUVNI86fCNMcbazEtwE=
 google.golang.org/api v0.7.0/go.mod h1:WtwebWUNSVBH/HAw79HIFXZNqEvBhG+Ra+ax0hx3E3M=
@@ -477,8 +477,8 @@ google.golang.org/protobuf v1.24.0/go.mod h1:r/3tXBNzIEhYS9I1OUVjXDlt8tc493IdKGj
 google.golang.org/protobuf v1.25.0/go.mod h1:9JNX74DMeImyA3h4bdi1ymwjUzf21/xIlbajtzgsN7c=
 google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
 google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
-google.golang.org/protobuf v1.28.0 h1:w43yiav+6bVFTBQFZX0r7ipe9JQ1QsbMgHwbBziscLw=
-google.golang.org/protobuf v1.28.0/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
+google.golang.org/protobuf v1.28.1 h1:d0NfwRgPtno5B1Wa6L2DAG+KivqkdutMf1UhdNx175w=
+google.golang.org/protobuf v1.28.1/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
 gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
@@ -491,8 +491,6 @@ gopkg.in/yaml.v2 v2.2.5/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo=
-gotest.tools/v3 v3.0.2 h1:kG1BFyqVHuQoVQiR1bWGnfz/fmHvvuiSPIV7rvl360E=
-gotest.tools/v3 v3.0.2/go.mod h1:3SzNCllyD9/Y+b5r9JIKQ474KzkZyqLqEfYqMsX94Bk=
 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=
diff --git a/instrumentation_impl.go b/instrumentation_impl.go
new file mode 100644
index 0000000..1b7a057
--- /dev/null
+++ b/instrumentation_impl.go
@@ -0,0 +1,20 @@
+//go:build instrumented
+
+package main
+
+import (
+	"encoding/json"
+	"runtime/debug"
+
+	"github.com/docker/machine/libmachine/log"
+)
+
+func instrumented[T any](input T) T {
+	j, err := json.Marshal(input)
+	if err != nil {
+		log.Error(err)
+		panic(err)
+	}
+	log.Debugf("%v\n%v\n", string(debug.Stack()), string(j))
+	return input
+}
diff --git a/instrumentation_stub.go b/instrumentation_stub.go
new file mode 100644
index 0000000..d0bbb13
--- /dev/null
+++ b/instrumentation_stub.go
@@ -0,0 +1,7 @@
+//go:build !instrumented
+
+package main
+
+func instrumented[T any](input T) T {
+	return input
+}
diff --git a/main.go b/main.go
index 13a7da1..33c1af0 100644
--- a/main.go
+++ b/main.go
@@ -8,14 +8,15 @@ import (
 	"github.com/docker/machine/libmachine/drivers/plugin"
 )
 
-// Version will be added once we start the build process via travis-ci
-var Version string
+// Version will be added once we start the build process by goreleaser
+var version string
 
 func main() {
-	version := flag.Bool("v", false, "prints current docker-machine-driver-hetzner version")
+	versionFlag := flag.Bool("v", false, "prints current docker-machine-driver-hetzner version")
 	flag.Parse()
-	if *version {
-		fmt.Printf("Version: %s\n", Version)
+	instrumented("sadf")
+	if *versionFlag {
+		fmt.Printf("Version: %s\n", version)
 		os.Exit(0)
 	}
 	plugin.RegisterDriver(NewDriver())
-- 
GitLab