homelab-nomad/backups/backups.tf

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Terraform
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resource "nomad_job" "backup" {
jobspec = templatefile("${path.module}/backup.nomad", {
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module_path = path.module,
batch_node = null,
use_wesher = var.use_wesher
})
}
resource "nomad_job" "backup-oneoff" {
# TODO: Get list of nomad hosts dynamically
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for_each = toset(["n1", "n2", "pi4"])
# for_each = toset([
# for node in data.consul_service.nomad.service :
# node.node_name
# ])
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jobspec = templatefile("${path.module}/backup.nomad", {
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module_path = path.module,
batch_node = each.key,
use_wesher = var.use_wesher
})
}
locals {
# NOTE: This can't be dynamic in first deploy since these values are not known
# all_job_ids = toset(flatten([[for job in resource.nomad_job.backup-oneoff : job.id], [resource.nomad_job.backup.id]]))
all_job_ids = toset(["backup", "backup-oneoff-n1", "backup-oneoff-n2", "backup-oneoff-pi4"])
}
resource "nomad_acl_policy" "secrets_mysql" {
for_each = local.all_job_ids
name = "${each.key}-secrets-mysql"
description = "Give access to MySQL secrets"
rules_hcl = <<EOH
namespace "default" {
variables {
path "secrets/mysql" {
capabilities = ["read"]
}
}
}
EOH
job_acl {
job_id = each.key
}
}
resource "random_password" "mysql_psk" {
length = 32
override_special = "!@#%&*-_="
}
resource "nomad_variable" "mysql_psk" {
path = "secrets/mysql/allowed_psks/backups"
items = {
psk = "backups:${resource.random_password.mysql_psk.result}"
}
}
resource "nomad_acl_policy" "mysql_psk" {
for_each = local.all_job_ids
name = "${each.key}-secrets-mysql-psk"
description = "Give access to MySQL PSK secrets"
rules_hcl = <<EOH
namespace "default" {
variables {
path "secrets/mysql/allowed_psks/backups" {
capabilities = ["read"]
}
}
}
EOH
job_acl {
job_id = each.key
group = "backup"
task = "stunnel"
}
}
resource "nomad_acl_policy" "secrets_postgres" {
for_each = local.all_job_ids
name = "${each.key}-secrets-postgres"
description = "Give access to Postgres secrets"
rules_hcl = <<EOH
namespace "default" {
variables {
path "secrets/postgres" {
capabilities = ["read"]
}
}
}
EOH
job_acl {
job_id = each.key
}
}
resource "random_password" "postgres_psk" {
length = 32
override_special = "!@#%&*-_="
}
resource "nomad_variable" "postgres_psk" {
path = "secrets/postgres/allowed_psks/backups"
items = {
psk = "backups:${resource.random_password.postgres_psk.result}"
}
}
resource "nomad_acl_policy" "postgres_psk" {
for_each = local.all_job_ids
name = "${each.key}-secrets-postgres-psk"
description = "Give access to Postgres PSK secrets"
rules_hcl = <<EOH
namespace "default" {
variables {
path "secrets/postgres/allowed_psks/backups" {
capabilities = ["read"]
}
}
}
EOH
job_acl {
job_id = each.key
group = "backup"
task = "stunnel"
}
}