From 199b2a691cf9f689eb91d718aa71d2df1dabd4cc Mon Sep 17 00:00:00 2001
From: Spengreb <spengreb@gmail.com>
Date: Tue, 8 Aug 2023 15:36:06 +0200
Subject: [PATCH] Create a SSH key on the fly.

---
 .gitlab-ci.yml       |  6 ------
 jamulus-central1.pem | 27 ---------------------------
 jamulus-west1.pem    | 27 ---------------------------
 jamulus.pem          | 27 ---------------------------
 main.tf              | 29 +++++++++++++++++++++++++++--
 5 files changed, 27 insertions(+), 89 deletions(-)
 delete mode 100644 jamulus-central1.pem
 delete mode 100644 jamulus-west1.pem
 delete mode 100644 jamulus.pem

diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index da2dcfd..af62f34 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -27,8 +27,6 @@ tf-plan-private:
 
 tf-apply-private:
   stage: tf-apply
-  before_script:
-    - chmod 600 jamulus.pem
   script:
     - terraform init
     - terraform apply plan.tfplan
@@ -55,8 +53,6 @@ tf-plan-public:
 
 tf-apply-public:
   stage: tf-apply
-  before_script:
-    - chmod 600 jamulus.pem
   script:
     - terraform init
     - terraform apply plan.tfplan
@@ -71,8 +67,6 @@ tf-apply-public:
 
 tf-destroy:
   stage: tf-destroy
-  before_script:
-    - chmod 600 jamulus.pem
   script:
     - terraform init
     - terraform destroy -auto-approve
diff --git a/jamulus-central1.pem b/jamulus-central1.pem
deleted file mode 100644
index 88471db..0000000
--- a/jamulus-central1.pem
+++ /dev/null
@@ -1,27 +0,0 @@
------BEGIN RSA PRIVATE KEY-----
-MIIEpgIBAAKCAQEAw9G9dCMkEejqYlE6Wxcc02QxOIzKcg7yshshHVbjkMMx0R71
-g7siJlxTxprJTJewBYydav/yPyCE2V+5lqr+JQkSIINbQP+/Ul+X6p0/q1mX7alV
-vU0bsNq6XwhF1cH63acaAGHP2Sn4BfN8oIcXu+aNxA2BZHq8iZgUSHhzTtgYcQyQ
-LWOky0NwKv9BxRqvujVyTE0V0C8KvB1f8l82ek2kPCQJZVR819P5FRmYN7PZQbze
-SjqG3ldklJTvLqLzfBtKftox5EbPLdwPpYjekSq9XnwZ9MYyu1x//d+aT6FSeUy6
-ZnyRo/9gel7vS3pi2IxtoEH0xTt3ofkkeU74EwIDAQABAoIBAQCFObGXzkDAHqM4
-eOMnDjaCa+xA+SjTKPBd1K9W8sKovuSpzlJjaXH2f2JQAQdroNgVLnH7Vl9OK6W2
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-1/i2jrLLGDTjafzai9ayFlHWbHym6pRgPfbUCignG7vvLfnB6mUXPOWFOY/G//jX
-wjGgXyWE4Q4QFQr08WrSYcU8lu1CwbvAeFtbC+9nsQ4U+A6Hvb3yrnSSjRVQVvdj
-pn8g9AAJL70jokCAIqLg7lMc8SaJMUqJJY1YN9ouI77BXgE5dvS/eM1Dnmn1MrIb
-I1SkH4KhAoGBAPma/aAZypb7lp7xRSXOfZM3AxDviLOYuYL8slbgvuNGPViuVqzF
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-8VJCepOSeiSA1mUqfqNfoYaaAgx4PU3VYiOwpqb9zwpGPTCRd0fhQ+iyArVEs/iI
-Vart/8j3aLV1n0+NFMPmZGMFAoGBAJpv1UTv24P8sdA8v0OUXNMRDRhtDk1le6I3
-PpIyi0KzQuznvj23LhLBg3D3YAh2HGxAWMOriiyPIk1dNJtmOdLMIGGnHhFsTBve
-JtJN7Ke5pnpHlLE5qjKMar6sIeXKsUrKo0xHv/OQ4RvdlxPLS3du9rdRDAHrSuPJ
-i62JBS4pAoGBAK+fFrxfQ4d9MxD0ZKSJ3l8KJdLINYMYM16MK3PAIgt/HpZaJ5Vm
-qDDOS50LcMt1ys8LDwrGu3GtkOZGQe6ZFMS2znIJCnRdiHnWrtYHSr46wrfOVxc3
-MyYc+pdX0MJwKzLbB31ReROncKS+sordc7XYKsWWm/N8zDbssZNzXPTb
------END RSA PRIVATE KEY-----
\ No newline at end of file
diff --git a/jamulus-west1.pem b/jamulus-west1.pem
deleted file mode 100644
index c4c6251..0000000
--- a/jamulus-west1.pem
+++ /dev/null
@@ -1,27 +0,0 @@
------BEGIN RSA PRIVATE KEY-----
-MIIEpQIBAAKCAQEAopNBW8LLCnEYWkpY443eg/t2myT5GCnsIvvfHzFqlQmLisjS
-Y2xKz0EiQHQC/ZinifEYakUQQDrS7Sqvn7ksHVUmZnjSbWQJGSp1hH3pA4jtVHLp
-fGUdN8t/EyJnlamMDJMZF3pIf9DFgz/RVCGaSan0EDaWP2WtpNi5hBAKxIh5qrPx
-O0Vv0zedNFhC2Md9aGW870/KhKtqtff7ByHI3yXFIgfqiebsQ9fyppN4YSpaFrr9
-8YvGPGtOUyGZuXlFfbbqhlbWIXZ5N0ZXYMSht3HJB882Yj/pjAahhSNhJ3BWc6j4
-n/iDaUbgtBePbZ5M8swkLHG4qdosY6DFom45YwIDAQABAoIBAQCBMqk0NR+KksoZ
-pw/w9uOo24QsUzup2lcQjj2I2oqrGkTM7D9WR89D2a1Qr2FZC6HJW9JdUblSce0C
-EXQ0aMIIJY04zjfcOy2H1FhEDJPK/VwuSowHEYwgtRWtrR/Irk7gB15fbAyFlvIA
-Fg1S4MluVSPiZp8Mjs9qO9lifCUyfT/DFRKQsJTCJstxzV90+6L04DTou6iyzOTF
-ASNx83+RL1P5oCnlrnN1/YxB1NmZ/mPyD/A+M0cjODxAR69O6eKldwfagAYcTHfS
-KnVfF/xGhSw13PSyu1NTYx5ZVieEYpLbBCANMjppa1KI7ovIOqppu2KwaVJegbbm
-wB/J3HohAoGBAPoWQRC22RuuVGTv2cjqNnMjiRFabPCBzgwgsOT1gpyK5O7YEila
-BTbVYhvqvIsobgm8m8DmFuXq+HkWws9sONeIBSuk1t1tOdXcVkGC6HNfX4W4ffgQ
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-w6SGcJa/yjr/jvb3jaXQs5oquRGbhAzk5mP4Hq2pAoGBAJ4PpK34sv2Q0Bw/j8kx
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-gzXMY6AH2RPDlH2W9qdl79GjAoGBAIyaF/DlDjTxDeN57uO8FwRjCtezPEKy2Ws3
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-IXJ/cr6t2ZR/4xpyf8q/JgOln1ZHarNZ82lrlHAo9elGxTjvCiPP4g4cjmPL6pMi
-SWyo0vKRAoGAcIKwJObr+AqGVkOergUaTCnoBZJiAdDVERfQFJWabrC7AtgKg3cb
-EurRLPXEHvpelCMvOtBjvP/TVcH3E3lqDNm7ENG2fqk9Jx9qfFgxkGi7UAqkGtTc
-05jfxR3Zi+x25sVZL4S0H5YHyiavz/Kai+bebiukP9c/qdV63X1pAq0=
------END RSA PRIVATE KEY-----
\ No newline at end of file
diff --git a/jamulus.pem b/jamulus.pem
deleted file mode 100644
index a6a87d2..0000000
--- a/jamulus.pem
+++ /dev/null
@@ -1,27 +0,0 @@
------BEGIN RSA PRIVATE KEY-----
-MIIEogIBAAKCAQEAgkZnuh0dTzz58sFiicRlQqLmJN73UsxDZDOOappdMZbADu1O
-Stwo/KUtqVtxxXXoWJnsXaYEToPzPt0KgusSPCdVtbGYIgJX0pL8BVhkU+VAg+cw
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-45C4fkeZRYDMN/fWW9vrxcW3K7EIqNqZNHU7RdyRjxGTAd+PuaCRWtFd0TGoIrUY
-KRAXJqaW/h/5FCuT5p8/bmXBjn4ZjAUYnv9ha8AzLnO6ZTLt6VxbLkHLbv+Y78fh
-0+BHAoGAWBVsZEgtvY/kSCseSDszrRMyYnVTmBSIR8Vz8t0sPQQk5ngKRG4NdlSS
-iHL1iFHjkq/06eS569eR8SCjozmOaA9Yt0YZnO727qQRvaUyG3uTFPcao/6bpz/E
-XDSfb9KEMluBEEbP1k5V3JPdXB7Btx8Bx0ER5dcsns2fUor+0wE=
------END RSA PRIVATE KEY-----
\ No newline at end of file
diff --git a/main.tf b/main.tf
index 09de75a..780cc05 100644
--- a/main.tf
+++ b/main.tf
@@ -10,14 +10,39 @@ terraform {
   }
 }
 
+data "aws_region" "current" {}
+
+resource "tls_private_key" "jamulus" {
+  algorithm = "RSA"
+  rsa_bits  = 4096
+}
+
+resource "aws_key_pair" "generated_key" {
+  key_name   = "jamulus-${data.aws_region.current.name}"
+  public_key = "${tls_private_key.jamulus.public_key_openssh}"
+}
+
 resource "aws_instance" "jamulus" {
   ami             = "${data.aws_ami.image.id}"
   instance_type   = "c6i.xlarge"
-  key_name        = "jamulus"
+  key_name        = "${aws_key_pair.generated_key.key_name}"
   security_groups = [aws_security_group.ssh.name, aws_security_group.jamulus.name, aws_security_group.node-exporter.name] # Add your own IP to this group
 
   provisioner "local-exec" {
-    command = "sleep 30 && ANSIBLE_HOST_KEY_CHECKING=False ansible-playbook -u ubuntu -i '${self.public_ip},' --private-key ${"${path.module}/jamulus.pem"} jamulus-install.yml --extra-vars 'ec2_id=${self.id}'"
+    command = <<-EOT
+      echo '${tls_private_key.jamulus.private_key_openssh}' > ${aws_key_pair.generated_key.key_name} &&
+      chmod 600 ${aws_key_pair.generated_key.key_name} &&
+      sleep 30
+    EOT
+  }
+
+  provisioner "local-exec" {
+    command = <<-EOT
+      ANSIBLE_HOST_KEY_CHECKING=False ansible-playbook -u ubuntu \
+      -i '${self.public_ip},' \
+      --private-key "${path.module}/${aws_key_pair.generated_key.key_name}" \
+      jamulus-install.yml --extra-vars 'ec2_id=${self.id}'
+    EOT
   }
 
   tags = {
-- 
2.45.3