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main.tf
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main.tf
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########################### Gitlab Instance #################################################
resource "google_compute_instance" "gitlab" {
depends_on = [
# If migrating we have to wait for the backup to upload
null_resource.transfer_gitlab_backup[0],
# Need to wait for the secrets' values to take place in the secrets objects
google_secret_manager_secret_version.gitlab-self-signed-cert-crt-version,
google_secret_manager_secret_version.gitlab-self-signed-cert-key-version,
google_secret_manager_secret_version.gitlab_initial_root_pwd,
google_secret_manager_secret_version.gitlab_runner_registration_token,
# Compute instance doesn't wait for any binding related to the service account to complete. These are required for the startup scripts
google_storage_bucket_iam_binding.binding,
google_project_iam_binding.compute_binding,
google_storage_bucket_iam_binding.backup_bucket_binding,
google_secret_manager_secret_iam_binding.gitlab-self-key-binding,
google_secret_manager_secret_iam_binding.gitlab-self-crt-binding,
google_secret_manager_secret_iam_binding.gitlab_runner_registration_token,
google_secret_manager_secret_iam_binding.gitlab_initial_root_pwd,
google_secret_manager_secret_iam_binding.gitlab_backup_key,
google_secret_manager_secret_iam_binding.git_creds
]
provider = google.offensive-pipeline
name = "${var.infra_name}-gitlab"
machine_type = var.plans[var.size]
zone = "${var.region}-${var.zone}"
tags = ["${var.infra_name}-gitlab"]
service_account {
email = google_service_account.gitlab_service_account.email
scopes = ["cloud-platform"]
}
boot_disk {
initialize_params {
image = var.osimages[var.osimage]
size = "100"
type = "pd-standard"
}
}
network_interface {
subnetwork = module.gcp-network.subnets_self_links[0]
access_config {}
}
metadata = {
gcs-prefix = "gs://${google_storage_bucket.deployment_utils.name}"
gcs-path-to-backup = var.migrate_gitlab ? local.gitlab_migrate_backup : "NONE" # Migration var
startup-script-url = local.gitlab_startup_script
instance-external-domain = var.external_hostname != "" ? var.external_hostname : local.instance_internal_domain
instance-protocol = var.gitlab_instance_protocol
gitlab-initial-root-pwd-secret = google_secret_manager_secret.gitlab_initial_root_pwd.secret_id
gitlab-cert-key-secret = google_secret_manager_secret.gitlab-self-signed-cert-key.secret_id
gitlab-cert-public-secret = google_secret_manager_secret.gitlab-self-signed-cert-crt.secret_id
gitlab-ci-runner-registration-token-secret = google_secret_manager_secret.gitlab_runner_registration_token.secret_id
gitlab-backup-key-secret = var.gitlab_backup_key_secret_id
gitlab-backup-bucket-name = var.backups_bucket_name
gitlab-version = var.gitlab_version
scallops-recipes-git-url = var.scallops_recipes_git_url
scallops-recipes-git-creds-secret = var.scallops_recipes_git_creds_secret != "" ? var.scallops_recipes_git_creds_secret : "NONE"
}
}
################################ Helm chart deployments ##############################
resource "helm_release" "gitlab-runner-linux" {
depends_on = [module.gke.google_container_node_pool]
name = "linux"
wait = false
chart = var.runner_chart_url
values = [
file("${path.module}/gitlab-runner/linux-values.yaml")
]
set {
name = "gitlabUrl"
value = "${var.gitlab_instance_protocol}://${local.instance_internal_domain}"
}
set {
name = "runners.cloneUrl"
value = "${var.gitlab_instance_protocol}://${local.instance_internal_domain}"
}
set {
name = "certsSecretName"
value = "${local.instance_internal_domain}-cert"
}
set_sensitive {
name = "runnerRegistrationToken"
value = random_password.gitlab_runner_registration_token.result
}
}
resource "helm_release" "gitlab-runner-kaniko" {
depends_on = [kubernetes_namespace.sensitive-namespace]
name = "kaniko"
wait = false
namespace = "sensitive"
chart = var.runner_chart_url
values = [
file("${path.module}/gitlab-runner/kaniko-values.yaml")
]
set {
name = "gitlabUrl"
value = "${var.gitlab_instance_protocol}://${local.instance_internal_domain}"
}
set {
name = "runners.cloneUrl"
value = "${var.gitlab_instance_protocol}://${local.instance_internal_domain}"
}
set {
name = "certsSecretName"
value = "${local.instance_internal_domain}-cert"
}
set_sensitive {
name = "runnerRegistrationToken"
value = "GR1348941${random_password.gitlab_runner_registration_token.result}-scallops-recipes"
}
}
resource "helm_release" "gitlab-runner-dockerhub" {
count = var.dockerhub-creds-secret != "" ? 1 : 0
depends_on = [kubernetes_namespace.sensitive-namespace]
name = "dockerhub-privates"
wait = false
namespace = "sensitive"
chart = var.runner_chart_url
values = [
file("${path.module}/gitlab-runner/dockerhub-values.yaml")
]
set {
name = "gitlabUrl"
value = "${var.gitlab_instance_protocol}://${local.instance_internal_domain}"
}
set {
name = "runners.cloneUrl"
value = "${var.gitlab_instance_protocol}://${local.instance_internal_domain}"
}
set {
name = "certsSecretName"
value = "${local.instance_internal_domain}-cert"
}
set {
name = "runners.imagePullSecrets[0]"
value = kubernetes_secret.dockerhub-creds-config[0].metadata[0].name
}
set_sensitive {
name = "runnerRegistrationToken"
value = random_password.gitlab_runner_registration_token.result
}
}
resource "helm_release" "gitlab-runner-win" {
depends_on = [module.gke.google_container_node_pool]
name = "windows"
wait = false
chart = var.runner_chart_url
values = [
file("${path.module}/gitlab-runner/win-values.yaml")
]
set {
name = "gitlabUrl"
value = "${var.gitlab_instance_protocol}://${local.instance_internal_domain}"
}
set {
name = "runners.cloneUrl"
value = "${var.gitlab_instance_protocol}://${local.instance_internal_domain}"
}
set {
name = "certsSecretName"
value = "${local.instance_internal_domain}-cert"
}
set_sensitive {
name = "runnerRegistrationToken"
value = random_password.gitlab_runner_registration_token.result
}
}