ci: adding drone.yml

.drone.yml

@@ -6,14 +6,7 @@ name: Terraform root module
 environment:
   TF_IN_AUTOMATION: "1"
   GIT_SSH_COMMAND: "ssh -o StrictHostKeyChecking=no -i $${PWD}/id_rsa"
-  TF_VAR_lawndale_dns_host: "nat.lawndale"
-  TF_VAR_lawndale_libvirt_uri_transport: ssh
-  TF_VAR_lawndale_libvirt_uri_userhostport: "192.168.253.254:10022"
   
-trigger:
-  ref:
-    - refs/heads/main
-    - refs/pull/*/head
 
 steps:
 - name: terraform init
@@ -21,7 +14,6 @@ steps:
   commands:
     - echo "$${CI_SSH_KEY}" | base64 -d > id_rsa
     - chmod 600 id_rsa
-    - echo 'lawndale_libvirt_uri_extra = {"sshauth"="privkey","keyfile"="'$${PWD}'/id_rsa","no_verify"="1"}' >> ci.tfvars
     - terraform init
   environment:
     CI_SSH_KEY:
@@ -34,7 +26,8 @@ steps:
 - name: terraform plan
   image: hashicorp/terraform:1.1.8
   commands:
-    - terraform plan $([[ $${DRONE_BUILD_EVENT} = cron ]] && echo "-detailed-exitcode") -var-file ci.tfvars -out .tfplan
+    - cp -a id_rsa ~/.ssh/id_rsa
+    - terraform plan -out .tfplan
   environment:
     AWS_ACCESS_KEY_ID:
       from_secret: terraform-aws-key-id
@@ -42,7 +35,7 @@ steps:
       from_secret: terraform-aws-secret-access-key
     KUBE_TOKEN:
       from_secret: lawndale-k8s-ci-token
-    TF_VAR_lawndale_dns_key_secret:
+    TF_VAR_lawdnale_dns_key_secret:
       from_secret: lawndale-dns-key-secret
     TF_VAR_lawndale_dns_key_algorithm:
       from_secret: lawndale-dns-key-algorithm
@@ -55,36 +48,22 @@ steps:
     - push
   image: hashicorp/terraform:1.1.8
   commands:
+    - cp -a id_rsa ~/.ssh/id_rsa
     - terraform apply .tfplan
   environment:
     AWS_ACCESS_KEY_ID:
       from_secret: terraform-aws-key-id
     AWS_SECRET_ACCESS_KEY:
       from_secret: terraform-aws-secret-access-key
----
+    KUBE_TOKEN:
-kind: pipeline
+      from_secret: lawndale-k8s-ci-token
-type: kubernetes
+    TF_VAR_lawdnale_dns_key_secret:
-name: Check docs and format
+      from_secret: lawndale-dns-key-secret
-
+    TF_VAR_lawndale_dns_key_algorithm:
-environment:
+      from_secret: lawndale-dns-key-algorithm
-  TF_IN_AUTOMATION: "1"
-
-trigger:
-  ref:
-    - refs/pull/*/head
-
-steps:
-- name: format and generate docs
-  image: hashicorp/terraform:1.1.8
-  commands:
-    - apk add bash wget 
-    - wget -q https://github.com/terraform-docs/terraform-docs/releases/download/v0.16.0/terraform-docs-v0.16.0-linux-amd64.tar.gz -O - | tar -xz terraform-docs -C /usr/local/bin
-    - terraform fmt
-    - terraform-docs .
-    - git diff --exit-code
 
 ---
 kind: signature
-hmac: 95f8db197163e884f2eee4b14af136b9ea1e0f88f626079b4a3b38b43b91c6a8
+hmac: d5b34139e5dd55d395dfbc99a5193220239fa13f1186c4bab7a9f084de190e47
 
 ...

README.md

@@ -69,9 +69,7 @@ Version:
 The following resources are used by this module:
 
 - [helm_release.coredns](https://registry.terraform.io/providers/hashicorp/helm/2.5.1/docs/resources/release) (resource)
-- [helm_release.kube_state_metrics](https://registry.terraform.io/providers/hashicorp/helm/2.5.1/docs/resources/release) (resource)
 - [helm_release.metrics_server](https://registry.terraform.io/providers/hashicorp/helm/2.5.1/docs/resources/release) (resource)
-- [helm_release.traefik](https://registry.terraform.io/providers/hashicorp/helm/2.5.1/docs/resources/release) (resource)
 - [kubernetes_cluster_role.ci_cd](https://registry.terraform.io/providers/hashicorp/kubernetes/latest/docs/resources/cluster_role) (resource)
 - [kubernetes_cluster_role.prometheus](https://registry.terraform.io/providers/hashicorp/kubernetes/latest/docs/resources/cluster_role) (resource)
 - [kubernetes_cluster_role_binding.auto_approve_node_csrs](https://registry.terraform.io/providers/hashicorp/kubernetes/latest/docs/resources/cluster_role_binding) (resource)
@@ -95,28 +93,30 @@ The following resources are used by this module:
 
 The following input variables are required:
 
-### <a name="input_lawndale_dns_host"></a> [lawndale\_dns\_host](#input\_lawndale\_dns\_host)
-
-Description: Address to reach lawndale internal DNS server
-
-Type: `string`
-
 ### <a name="input_lawndale_dns_key_secret"></a> [lawndale\_dns\_key\_secret](#input\_lawndale\_dns\_key\_secret)
 
 Description: DNSSEC key to use sigining the NSUPDATE queries for Lawndale
 
 Type: `string`
 
-### <a name="input_lawndale_libvirt_uri_transport"></a> [lawndale\_libvirt\_uri\_transport](#input\_lawndale\_libvirt\_uri\_transport)
+### <a name="input_lawndale_dns_port"></a> [lawndale\_dns\_port](#input\_lawndale\_dns\_port)
 
-Description: Transport protocol (could be ssh or tls) to dial Lawndale hypervisor
+Description: Port where the lawndale internal DNS server listens on
 
-Type: `string`
+Type: `number`
 
 ## Optional Inputs
 
 The following input variables are optional (have default values):
 
+### <a name="input_lawndale_dns_host"></a> [lawndale\_dns\_host](#input\_lawndale\_dns\_host)
+
+Description: Address to reach lawndale internal DNS server
+
+Type: `string`
+
+Default: `"lawndale-hyper"`
+
 ### <a name="input_lawndale_dns_key_algorithm"></a> [lawndale\_dns\_key\_algorithm](#input\_lawndale\_dns\_key\_algorithm)
 
 Description: DNSSEC key to use sigining the NSUPDATE queries for Lawndale
@@ -125,14 +125,6 @@ Type: `string`
 
 Default: `"hmac-sha256"`
 
-### <a name="input_lawndale_dns_port"></a> [lawndale\_dns\_port](#input\_lawndale\_dns\_port)
-
-Description: Port where the lawndale internal DNS server listens on
-
-Type: `number`
-
-Default: `53`
-
 ### <a name="input_lawndale_dns_transport"></a> [lawndale\_dns\_transport](#input\_lawndale\_dns\_transport)
 
 Description: Port where the lawndale internal DNS server listens on
@@ -141,38 +133,6 @@ Type: `string`
 
 Default: `"udp"`
 
-### <a name="input_lawndale_libvirt_uri"></a> [lawndale\_libvirt\_uri](#input\_lawndale\_libvirt\_uri)
-
-Description: Libvirt URI to use accessing Lawndale hypervisor
-
-Type: `string`
-
-Default: `null`
-
-### <a name="input_lawndale_libvirt_uri_extra"></a> [lawndale\_libvirt\_uri\_extra](#input\_lawndale\_libvirt\_uri\_extra)
-
-Description: Libvirt URI extra parameters [https://libvirt.org/uri.html#transport-configuration](See Libvirt transport configuration)
-
-Type: `map(any)`
-
-Default: `{}`
-
-### <a name="input_lawndale_libvirt_uri_path"></a> [lawndale\_libvirt\_uri\_path](#input\_lawndale\_libvirt\_uri\_path)
-
-Description: Libvirt URI path sent to the libvirt daemon
-
-Type: `string`
-
-Default: `"/system"`
-
-### <a name="input_lawndale_libvirt_uri_userhostport"></a> [lawndale\_libvirt\_uri\_userhostport](#input\_lawndale\_libvirt\_uri\_userhostport)
-
-Description: Libvirt URI username, hostname or ip address, and port to reach lawndale hypervisor, in the format of `[username@]<hostname>[:port]`
-
-Type: `string`
-
-Default: `"lawndale-hyper"`
-
 ## Outputs
 
 No outputs.

ci.tf

@@ -38,23 +38,35 @@ resource "kubernetes_cluster_role" "ci_cd" {
       "persistentvolumeclaims",
       "pods",
       "namespaces",
-      "nodes",
       "secrets",
-      "serviceaccounts",
       "services",
     ]
-    verbs = ["create", "delete", "get", "list", "patch", "update", "watch"]
+    verbs = [
+      "create",
+      "delete",
+      "get",
+      "list",
+      "patch",
+      "update",
+      "watch",
+    ]
   }
 
   rule {
     api_groups = ["apps"]
     resources = [
-      "daemonsets",
       "deployments",
       "replicasets", # needed for 'helm upgrade --wait'
-      "statefulsets",
     ]
-    verbs = ["create", "delete", "get", "list", "patch", "update", "watch"]
+    verbs = [
+      "create",
+      "delete",
+      "get",
+      "list",
+      "patch",
+      "update",
+      "watch",
+    ]
   }
 
   rule {
@@ -62,58 +74,45 @@ resource "kubernetes_cluster_role" "ci_cd" {
     resources = [
       "horizontalpodautoscalers"
     ]
-    verbs = ["create", "delete", "get", "list", "patch", "update", "watch"]
+    verbs = [
+      "create",
+      "delete",
+      "get",
+      "list",
+      "patch",
+      "update",
+      "watch",
+    ]
   }
   rule {
     api_groups = ["networking.k8s.io"]
 
     resources = [
       "ingresses",
+    ]
+    verbs = [
+      "create",
+      "delete",
+      "get",
+      "list",
+      "patch",
+      "update",
+      "watch",
+    ]
+  }
+  rule {
+    api_groups = ["networking.k8s.io"]
+    resources = [
       "networkpolicies"
     ]
-    verbs = ["create", "delete", "get", "list", "patch", "update", "watch"]
+    verbs = [
-  }
+      "create",
-
+      "delete",
-  rule {
+      "get",
-    api_groups = ["apiextensions.k8s.io"]
+      "list",
-    resources = [
+      "patch",
-      "customresourcedefinitions"
+      "update",
+      "watch",
     ]
-    verbs = ["create", "delete", "get", "list", "patch", "update", "watch"]
-  }
-
-  rule {
-    api_groups = ["rbac.authorization.k8s.io"]
-    resources = [
-      "clusterrolebindings",
-      "clusterroles",
-      "rolebindings",
-      "roles",
-    ]
-    verbs = ["create", "delete", "get", "list", "patch", "update", "watch"]
-  }
-
-  rule {
-    api_groups = ["policy"]
-    resources = [
-      "podsecuritypolicies",
-    ]
-    verbs = ["create", "delete", "get", "list", "patch", "update", "watch"]
-  }
-
-  rule {
-    api_groups = ["traefik.containo.us"]
-    resources = [
-      "ingressroutes",
-      "ingressroutetcps",
-      "ingressrouteudps",
-      "middlewares",
-      "middlewaretcps",
-      "serverstransports",
-      "tlsoptions",
-      "tlsstores",
-      "traefikservices",
-    ]
-    verbs = ["create", "delete", "get", "list", "patch", "update", "watch"]
   }
 }

kube-state-metrics.tf

@@ -1,35 +0,0 @@
-resource "helm_release" "kube_state_metrics" {
-  name      = "kube-state-metrics"
-  namespace = "kube-system"
-
-  repository = "https://prometheus-community.github.io/helm-charts"
-  chart      = "kube-state-metrics"
-  version    = "4.13.0"
-
-  values = [
-    jsonencode({
-      rbac = {
-        create         = true
-        useClusterRole = true
-      }
-      serviceAccount = {
-        create = true
-      }
-      podSecurityPolicy = {
-        enabled = false
-      }
-    }),
-    jsonencode({
-      autosharding = {
-        enabled = false
-      }
-    }),
-    jsonencode({
-      customLabels = {
-        "prometheus.io/scrape" = "true"
-        "prometheus.io/port"   = "8080"
-        "prometheus.io/scheme" = "http"
-      }
-    }),
-  ]
-}

locals.tf

@@ -3,7 +3,6 @@ locals {
   kubernetes_server  = "https://nat.lawndale:6443"
   kubernetes_version = "1.23.5"
   cluster_dns        = "10.32.0.10"
-  traefik_namespace  = "traefik"
 
   bootstrap_token = "${random_password.bootstrap_token_id.result}.${random_password.bootstrap_token_secret.result}"
 
@@ -39,13 +38,4 @@ EehXHhbRmbtSZ7c4DrGeR2J0SZTyBQJfZczSGRvEiKyGNnyZlLVYKTTnV9b+aN3q
 Xw+ilWL3boYsSiqVN6SIUA==
 -----END CERTIFICATE-----
 EOM
-
-
-  lawndale_libvirt_uri_extra = join("&", [for k, v in var.lawndale_libvirt_uri_extra : format("%s=%s", urlencode(k), urlencode(v))])
-  lawndale_libvirt_uri = var.lawndale_libvirt_uri != null ? var.lawndale_libvirt_uri : format("qemu+%s://%s%s?%s",
-    var.lawndale_libvirt_uri_transport,
-    var.lawndale_libvirt_uri_userhostport,
-    var.lawndale_libvirt_uri_path,
-    local.lawndale_libvirt_uri_extra
-  )
 }

providers.tf

@@ -53,7 +53,7 @@ provider "aws" {
 
 provider "libvirt" {
   # no-pty ssh-rsa AAAAB3.....
-  uri = local.lawndale_libvirt_uri
+  uri = "qemu+ssh://lawndale-hyper.sch.bme.hu:10022/system?sshauth=privkey"
 }
 
 provider "dns" {

traefik.tf

@@ -1,32 +0,0 @@
-resource "helm_release" "traefik" {
-  name             = "traefik"
-  namespace        = local.traefik_namespace
-  create_namespace = true
-
-  repository = "https://helm.traefik.io/traefik"
-  chart      = "traefik"
-
-  values = [
-    jsonencode({
-      rbac = {
-        enabled    = true
-        namespaced = false # traefik works for the whole cluster
-      }
-      podSecurityPolicy = {
-        enabled = false
-      }
-      deployment = {
-        enabled = false
-      }
-      daemonset = {
-        enabled = false
-      }
-      service = {
-        enabled = false
-      }
-      ingressroute = {
-        dashboard = { enabled = false }
-      }
-    })
-  ]
-}

variables.tf

@@ -1,6 +1,7 @@
 variable "lawndale_dns_host" {
   type        = string
   description = "Address to reach lawndale internal DNS server"
+  default     = "lawndale-hyper"
 }
 
 variable "lawndale_dns_port" {
@@ -31,33 +32,3 @@ variable "lawndale_dns_key_algorithm" {
   description = "DNSSEC key to use sigining the NSUPDATE queries for Lawndale"
   default     = "hmac-sha256"
 }
-
-variable "lawndale_libvirt_uri" {
-  type        = string
-  description = "Libvirt URI to use accessing Lawndale hypervisor"
-  default     = null
-  nullable    = true
-}
-
-variable "lawndale_libvirt_uri_transport" {
-  type        = string
-  description = "Transport protocol (could be ssh or tls) to dial Lawndale hypervisor"
-}
-
-variable "lawndale_libvirt_uri_userhostport" {
-  type        = string
-  description = "Libvirt URI username, hostname or ip address, and port to reach lawndale hypervisor, in the format of `[username@]<hostname>[:port]`"
-  default     = "lawndale-hyper"
-}
-
-variable "lawndale_libvirt_uri_path" {
-  type        = string
-  description = "Libvirt URI path sent to the libvirt daemon"
-  default     = "/system"
-}
-
-variable "lawndale_libvirt_uri_extra" {
-  type        = map(any)
-  description = "Libvirt URI extra parameters [https://libvirt.org/uri.html#transport-configuration](See Libvirt transport configuration)"
-  default     = {}
-}

worker.tf

@@ -1,7 +1,7 @@
 locals {
   pool_name       = "kubernetes-workers"
   worker_id_start = 80
-  worker_count    = 2
+  worker_count    = 1
 }
 
 resource "libvirt_pool" "kubernetes_workers" {