Init this thing

.drone.yml

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+---
+kind: pipeline
+name: autonomic.zone/hetzner-ci-cd-nuke
+steps:
+  - name: nuke resources
+    image: golang:1.16
+    environment:
+      HCLOUD_TOKEN:
+        from_secret: hetzner_ci_cd_token
+    commands:
+      - go run hccn.go
+
+  - name: notify rocket chat
+    image: plugins/slack
+    settings:
+      webhook:
+        from_secret: rc_builds_url
+      username: comradebritney
+      channel: "internal.builds"
+      template: "{{repo.owner}}/{{repo.name}} build failed: {{build.link}}"
+    when:
+      status:
+        - failure
+trigger:
+  branch:
+    - main

.envrc.sample

@@ -0,0 +1,5 @@
+# The path to our pass credentials store
+export PASSWORD_STORE_DIR=$(pwd)/../passwords/passwords/
+
+# The Hetzner Cloud API token for managing our instances
+export HCLOUD_TOKEN=$(pass show logins/hetzner/cicd/api_key)

.gitignore

@@ -0,0 +1 @@
+hetzner-ci-cd-nuke

README.md

@@ -0,0 +1,13 @@
+# hetzner-ci-cd-nuke
+
+> Nuke Hetzner resources for CI/CD clean up.
+
+Running on a daily cron via [drone.autonomic.zone](https://drone.autonomic.zone).
+
+## Run
+
+```
+cp .envrc.sample .envrc
+direnv allow
+go run hccn.go
+```

go.mod

@@ -0,0 +1,5 @@
+module autonomic.zone/hetzner-ci-cd-nuke
+
+go 1.16
+
+require github.com/hetznercloud/hcloud-go v1.28.0

go.sum

@@ -0,0 +1,15 @@
+github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/google/go-cmp v0.5.0 h1:/QaMHBdZ26BB3SSst0Iwl10Epc+xhTquomWX0oZEB6w=
+github.com/google/go-cmp v0.5.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
+github.com/hetznercloud/hcloud-go v1.28.0 h1:T2a0CVGETf7BoWIdZ/TACqmTZAa/ROutcfdUHYiPAQ4=
+github.com/hetznercloud/hcloud-go v1.28.0/go.mod h1:2C5uMtBiMoFr3m7lBFPf7wXTdh33CevmZpQIIDPGYJI=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/testify v1.7.0 h1:nwc3DEeHmmLAfoZucVR881uASk0Mfjw8xYJ99tb5CcY=
+github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
+golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

hccn.go

@@ -0,0 +1,36 @@
+package main
+
+import (
+	"context"
+	"fmt"
+	"log"
+	"os"
+
+	"github.com/hetznercloud/hcloud-go/hcloud"
+)
+
+func main() {
+	token := os.Getenv("HCLOUD_TOKEN")
+	if token == "" {
+		log.Fatal("HCLOUD_TOKEN missing!")
+	}
+
+	ctx := context.Background()
+	client := hcloud.NewClient(hcloud.WithToken(token))
+
+	servers, err := client.Server.All(ctx)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	for _, server := range servers {
+		fmt.Println("Deleting: ", server.Name)
+		client.Server.Delete(ctx, server)
+	}
+
+	if len(servers) > 0 {
+		fmt.Printf("Success! Deleted %v server(s)", len(servers))
+	} else {
+		fmt.Println("No servers found, bailing out gracefully")
+	}
+}