infra/stacks/poison-fountain/providers.tf
Viktor Barzin 344fce3692 [monitoring][poison-fountain] pushgateway persistence + cronjob uid-0
Two independent root-cause fixes surfaced by the 2026-04-22 cluster
health check:

1. Pushgateway lost all in-memory metrics when node3 kubelet hiccuped
   at 11:42 UTC, hiding backup_last_success_timestamp{job="offsite-
   backup-sync"} until the next 06:01 UTC push — a ~18h false-negative
   window. Enable persistence on a 2Gi proxmox-lvm-encrypted PVC with
   --persistence.interval=1m. Chart note: values key is
   `prometheus-pushgateway:` (subchart alias), not `pushgateway:`.

2. poison-fountain-fetcher CronJob runs curlimages/curl as UID 100
   but the NFS mount /srv/nfs/poison-fountain is root:root 755 and
   the main Deployment runs as root, so mkdir /data/cache fails
   every 6h. Set run_as_user=0 on the CronJob container (no_root_squash
   is set on the export).

Closes the backup_offsite_sync FAIL on the next 06:01 UTC offsite
sync; closes the recurring poison-fountain evicted-pod noise on the
next 00:00 UTC cron tick.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-04-22 18:32:29 +00:00

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HCL

# Generated by Terragrunt. Sig: nIlQXj57tbuaRZEa
terraform {
required_providers {
vault = {
source = "hashicorp/vault"
version = "~> 4.0"
}
cloudflare = {
source = "cloudflare/cloudflare"
version = "~> 4"
}
authentik = {
source = "goauthentik/authentik"
version = "~> 2024.10"
}
}
}
variable "kube_config_path" {
type = string
default = "~/.kube/config"
}
provider "kubernetes" {
config_path = var.kube_config_path
}
provider "helm" {
kubernetes = {
config_path = var.kube_config_path
}
}
provider "vault" {
address = "https://vault.viktorbarzin.me"
skip_child_token = true
}