Add nomad ACLs and roles for use in oidc auth

This commit is contained in:
IamTheFij 2023-07-07 00:30:02 -07:00
parent eae5b201b6
commit 6dbe0f7f45
10 changed files with 52 additions and 272 deletions

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@ -2,20 +2,20 @@
# Manual edits may be lost in future updates.
provider "registry.terraform.io/hashicorp/nomad" {
version = "1.4.19"
version = "1.4.20"
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}

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@ -1,59 +1,21 @@
# This file is maintained automatically by "terraform init".
# Manual edits may be lost in future updates.
provider "registry.terraform.io/hashicorp/consul" {
version = "2.15.1"
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}
provider "registry.terraform.io/hashicorp/nomad" {
version = "1.4.17"
version = "1.4.20"
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}
provider "registry.terraform.io/hashicorp/vault" {
version = "3.7.0"
hashes = [
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}

17
acls/nomad_roles.tf Normal file
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@ -0,0 +1,17 @@
resource "nomad_acl_role" "admin" {
name = "admin"
description = "Nomad administrators"
policy {
name = nomad_acl_policy.admin.name
}
}
resource "nomad_acl_role" "deploy" {
name = "deploy"
description = "Authorized to conduct deployments and view logs"
policy {
name = nomad_acl_policy.deploy.name
}
}

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@ -1,48 +0,0 @@
# Set up nomad provider in vault for Nomad ACLs
resource "nomad_acl_token" "vault" {
name = "vault"
type = "management"
}
resource "vault_nomad_secret_backend" "config" {
backend = "nomad"
description = "Nomad ACL"
token = nomad_acl_token.vault.secret_id
default_lease_ttl_seconds = "3600"
max_lease_ttl_seconds = "7200"
ttl = "3600"
max_ttl = "7200"
}
# Vault roles generating Nomad tokens
resource "vault_nomad_secret_role" "nomad-deploy" {
backend = vault_nomad_secret_backend.config.backend
role = "nomad-deploy"
# Nomad policies
policies = ["deploy"]
}
resource "vault_nomad_secret_role" "admin-management" {
backend = vault_nomad_secret_backend.config.backend
role = "admin-management"
type = "management"
}
resource "vault_nomad_secret_role" "admin" {
backend = vault_nomad_secret_backend.config.backend
role = "admin"
# Nomad policies
policies = ["admin"]
}
# Nomad Vault token access
resource "vault_token_auth_backend_role" "nomad-cluster" {
role_name = "nomad-cluster"
token_explicit_max_ttl = 0
allowed_policies = ["access-tables", "nomad-task"]
orphan = true
token_period = 259200
renewable = true
}

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@ -1,17 +0,0 @@
# resource "vault_mount" "db" {
# path = "database"
# type = "database"
# }
#
# resource "vault_database_secret_backend_connection" "mysql" {
# backend = vault_mount.db.path
# name = "mysql"
# allowed_roles = ["accessdb"]
#
# mysql {
# # How to give access here?
# connection_url = "{{username}}:{{password}}@tcp(mysql-server.service.consul:3306)"
# username = ""
# password = ""
# }
# }

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@ -1,38 +1,6 @@
# Configure Consul provider
provider "consul" {
address = var.consul_address
}
# Get Nomad client from Consul
data "consul_service" "nomad" {
name = "nomad-client"
}
# Get Vault client from Consul
data "consul_service" "vault" {
name = "vault"
tag = "active"
}
locals {
# Get Nomad address from Consul
nomad_node = data.consul_service.nomad.service[0]
nomad_node_address = "http://${local.nomad_node.node_address}:${local.nomad_node.port}"
# Get Vault address from Consul
vault_node = data.consul_service.vault.service[0]
vault_node_address = "http://${local.vault_node.node_address}:${local.vault_node.port}"
}
# Configure the Nomad provider
provider "nomad" {
address = local.nomad_node_address
address = var.nomad_address
secret_id = var.nomad_secret_id
region = "global"
}
# Configure the Vault provider
provider "vault" {
address = local.vault_node_address
token = var.vault_token
}

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@ -1,8 +1,3 @@
variable "consul_address" {
type = string
default = "http://n1.thefij:8500"
}
variable "nomad_secret_id" {
type = string
description = "Secret ID for ACL bootstrapped Nomad"
@ -10,8 +5,7 @@ variable "nomad_secret_id" {
default = ""
}
variable "vault_token" {
type = string
sensitive = true
default = ""
variable "nomad_address" {
type = string
default = "http://n1.thefij:4646"
}

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@ -1,8 +0,0 @@
resource "vault_auth_backend" "userpass" {
type = "userpass"
tune {
max_lease_ttl = "1h"
listing_visibility = "unauth"
}
}

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@ -1,83 +0,0 @@
resource "vault_policy" "admin" {
name = "admin"
policy = <<EOF
path "*" {
capabilities = ["create", "read", "update", "delete", "list", "sudo"]
}
EOF
}
resource "vault_policy" "nomad-deploy" {
name = "nomad-deploy"
policy = <<EOH
path "nomad/creds/nomad-deploy" {
capabilities = ["read"]
}
EOH
}
# Policy for clusters
resource "vault_policy" "nomad-task" {
name = "nomad-task"
policy = <<EOH
path "kv/data/*" {
# Does this need create, update, delete?
capabilities = ["create", "read", "update", "delete", "list"]
}
EOH
}
# Policy for nomad tokens
resource "vault_policy" "nomad-server" {
name = "nomad-server"
policy = <<EOH
# Allow creating tokens under "nomad-cluster" token role. The token role name
# should be updated if "nomad-cluster" is not used.
path "auth/token/create/nomad-cluster" {
capabilities = ["update"]
}
# Allow looking up "nomad-cluster" token role. The token role name should be
# updated if "nomad-cluster" is not used.
path "auth/token/roles/nomad-cluster" {
capabilities = ["read"]
}
# Allow looking up the token passed to Nomad to validate # the token has the
# proper capabilities. This is provided by the "default" policy.
path "auth/token/lookup-self" {
capabilities = ["read"]
}
# Allow looking up incoming tokens to validate they have permissions to access
# the tokens they are requesting. This is only required if
# `allow_unauthenticated` is set to false.
path "auth/token/lookup" {
capabilities = ["update"]
}
# Allow revoking tokens that should no longer exist. This allows revoking
# tokens for dead tasks.
path "auth/token/revoke-accessor" {
capabilities = ["update"]
}
# Allow checking the capabilities of our own token. This is used to validate the
# token upon startup.
path "sys/capabilities-self" {
capabilities = ["update"]
}
# Allow our own token to be renewed.
path "auth/token/renew-self" {
capabilities = ["update"]
}
# This section grants all access on "secret/*". Further restrictions can be
# applied to this broad policy, as shown below.
path "kv/data/*" {
capabilities = ["create", "read", "update", "delete", "list"]
}
EOH
}

15
root.tf
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@ -1,15 +1,10 @@
# Can't run this as part of root and as a submodule because of tf state
# module "acls" {
# source = "./acls"
#
# consul_address = var.consul_address
# nomad_secret_id = var.nomad_secret_id
# vault_token = var.vault_token
# }
module "acls" {
source = "./acls"
# module "storage_plugins" {
# source = "./storage_plugins"
# }
nomad_address = var.nomad_address
nomad_secret_id = var.nomad_secret_id
}
terraform {
required_version = ">=1.2.9"