thermograph/terraform/main.tf

94 lines
4.1 KiB
HCL

locals {
# Repo root (one level above this terraform/ dir). The module hashes the compose
# files here so a compose change re-triggers the remote deploy, and this is the
# tree the host's checkout mirrors over git.
repo_root = abspath("${path.root}/..")
# Reusable size presets — a host can reference one by name (hosts.<name>.size)
# instead of hand-picking workers/app_cpus/db_cpus/db_memory separately. Mirrors
# the target Proxmox sizing-tier model (architecture doc §6: nano/small/medium/
# large -> {cores, mem}) ahead of actually provisioning VMs — Proxmox itself is
# deferred; today these tiers just size the container caps on the existing
# SSH-managed VPS hosts. "large" matches the current 48 GB prod box's numbers.
sizes = {
nano = { workers = 1, app_cpus = 1, db_cpus = 1, db_memory = "1g" }
small = { workers = 4, app_cpus = 4, db_cpus = 2, db_memory = "8g" }
medium = { workers = 6, app_cpus = 6, db_cpus = 3, db_memory = "12g" }
large = { workers = 8, app_cpus = 8, db_cpus = 4, db_memory = "16g" }
}
# Per-host resolved sizing: a named tier (host.size) wins when set; otherwise
# the host's own workers/app_cpus/db_cpus/db_memory fields (each individually
# defaulted in variables.tf) — so existing tfvars with explicit numbers are
# unaffected, and a tier is purely an opt-in shortcut.
host_sizing = {
for name, h in var.hosts : name => h.size != null ? local.sizes[h.size] : {
workers = h.workers
app_cpus = h.app_cpus
db_cpus = h.db_cpus
db_memory = h.db_memory
}
}
}
# One module instance per host. The module is entirely SSH-provisioner driven — it
# configures an already-existing VPS and hands the app off to docker compose.
module "host" {
source = "./modules/thermograph-host"
for_each = var.hosts
# Per-host config
name = each.key
host = each.value.host
ssh_user = each.value.ssh_user
ssh_private_key_path = each.value.ssh_private_key_path
role = each.value.role
git_branch = each.value.git_branch
domain = each.value.domain
compose_files = each.value.compose_files
app_dir = each.value.app_dir
workers = local.host_sizing[each.key].workers
app_cpus = local.host_sizing[each.key].app_cpus
db_cpus = local.host_sizing[each.key].db_cpus
db_memory = local.host_sizing[each.key].db_memory
timescaledb_tag = each.value.timescaledb_tag
openmeteo = each.value.openmeteo
om_data_dir = each.value.om_data_dir
# Shared infra config
repo_root = local.repo_root
repo_url = var.repo_url
app_port = var.app_port
# Shared object-storage config (only used where openmeteo = true)
om_bucket_remote = var.om_bucket_remote
om_rclone_conf = var.om_rclone_conf
om_vfs_cache_max = var.om_vfs_cache_max
# Shared secrets -> /etc/thermograph.env. postgres_password/auth_secret/
# metrics_token/indexnow_key resolve through secrets.tf's locals (explicit
# var wins if supplied, else Terraform-generated) rather than the raw vars.
postgres_password = local.postgres_password
auth_secret = local.auth_secret
metrics_token = local.metrics_token
indexnow_key = local.indexnow_key
vapid_private_key = var.vapid_private_key
vapid_public_key = var.vapid_public_key
vapid_contact = var.vapid_contact
google_verify = var.google_verify
bing_verify = var.bing_verify
mail_backend = var.mail_backend
smtp_host = var.smtp_host
smtp_port = var.smtp_port
smtp_user = var.smtp_user
smtp_password = var.smtp_password
smtp_starttls = var.smtp_starttls
mail_from = var.mail_from
mail_reply_to = var.mail_reply_to
discord_webhook = var.discord_webhook
discord_public_key = var.discord_public_key
discord_app_id = var.discord_app_id
discord_bot_token = var.discord_bot_token
discord_client_secret = var.discord_client_secret
registry_token = var.registry_token
}