homelab-nomad/core/authelia.tf

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module "authelia" {
source = "../services/service"
name = "authelia"
instance_count = 2
priority = 70
image = "authelia/authelia:4.37"
args = ["--config", "$${NOMAD_TASK_DIR}/authelia.yml"]
ingress = true
service_port = 9999
service_port_static = true
# metrics_port = 9959
env = {
AUTHELIA_AUTHENTICATION_BACKEND_LDAP_PASSWORD_FILE = "$${NOMAD_SECRETS_DIR}/ldap_password.txt"
AUTHELIA_JWT_SECRET_FILE = "$${NOMAD_SECRETS_DIR}/jwt_secret.txt"
AUTHELIA_SESSION_SECRET_FILE = "$${NOMAD_SECRETS_DIR}/session_secret.txt"
AUTHELIA_STORAGE_ENCRYPTION_KEY_FILE = "$${NOMAD_SECRETS_DIR}/storage_encryption_key.txt"
AUTHELIA_STORAGE_MYSQL_PASSWORD_FILE = "$${NOMAD_SECRETS_DIR}/mysql_password.txt"
AUTHELIA_NOTIFIER_SMTP_PASSWORD_FILE = "$${NOMAD_SECRETS_DIR}/smtp_password.txt"
AUTHELIA_IDENTITY_PROVIDERS_OIDC_HMAC_SECRET_FILE = "$${NOMAD_SECRETS_DIR}/oidc_hmac_secret.txt"
AUTHELIA_IDENTITY_PROVIDERS_OIDC_ISSUER_PRIVATE_KEY_FILE = "$${NOMAD_SECRETS_DIR}/oidc_issuer_private_key.txt"
# AUTHELIA_IDENTITY_PROVIDERS_OIDC_ISSUER_CERTIFICATE_CHAIN_FILE = "$${NOMAD_SECRETS_DIR}/oidc_issuer_certificate_chain.txt"
}
use_mysql = true
use_ldap = true
use_redis = true
mysql_bootstrap = {
enabled = true
}
service_tags = [
# Configure traefik to add this middleware
"traefik.http.middlewares.authelia.forwardAuth.address=http://authelia.nomad:$${NOMAD_PORT_main}/api/verify?rd=https%3A%2F%2Fauthelia.thefij.rocks%2F",
"traefik.http.middlewares.authelia.forwardAuth.trustForwardHeader=true",
"traefik.http.middlewares.authelia.forwardAuth.authResponseHeaders=Remote-User,Remote-Groups,Remote-Name,Remote-Email",
"traefik.http.middlewares.authelia-basic.forwardAuth.address=http://authelia.nomad:$${NOMAD_PORT_main}/api/verify?auth=basic",
"traefik.http.middlewares.authelia-basic.forwardAuth.trustForwardHeader=true",
"traefik.http.middlewares.authelia-basic.forwardAuth.authResponseHeaders=Remote-User,Remote-Groups,Remote-Name,Remote-Email",
]
templates = [
{
data = file("${path.module}/authelia.yml")
dest = "authelia.yml"
mount = false
},
{
data = "{{ with nomadVar \"nomad/jobs/authelia\" }}{{ .lldap_admin_password }}{{ end }}"
dest_prefix = "$${NOMAD_SECRETS_DIR}"
dest = "ldap_password.txt"
mount = false
},
{
data = "{{ with nomadVar \"nomad/jobs/authelia\" }}{{ .jwt_secret }}{{ end }}"
dest_prefix = "$${NOMAD_SECRETS_DIR}"
dest = "jwt_secret.txt"
mount = false
},
{
data = "{{ with nomadVar \"nomad/jobs/authelia\" }}{{ .session_secret }}{{ end }}"
dest_prefix = "$${NOMAD_SECRETS_DIR}"
dest = "session_secret.txt"
mount = false
},
{
data = "{{ with nomadVar \"nomad/jobs/authelia\" }}{{ .storage_encryption_key }}{{ end }}"
dest_prefix = "$${NOMAD_SECRETS_DIR}"
dest = "storage_encryption_key.txt"
mount = false
},
{
data = "{{ with nomadVar \"nomad/jobs/authelia\" }}{{ .db_pass }}{{ end }}"
dest_prefix = "$${NOMAD_SECRETS_DIR}"
dest = "mysql_password.txt"
mount = false
},
{
data = "{{ with nomadVar \"nomad/jobs/authelia\" }}{{ .oidc_hmac_secret }}{{ end }}"
dest_prefix = "$${NOMAD_SECRETS_DIR}"
dest = "oidc_hmac_secret.txt"
mount = false
},
{
data = "{{ with nomadVar \"nomad/jobs/authelia\" }}{{ .oidc_issuer_private_key }}{{ end }}"
dest_prefix = "$${NOMAD_SECRETS_DIR}"
dest = "oidc_issuer_private_key.txt"
mount = false
},
{
data = "{{ with nomadVar \"nomad/jobs/authelia\" }}{{ .oidc_issuer_certificate_chain }}{{ end }}"
dest_prefix = "$${NOMAD_SECRETS_DIR}"
dest = "oidc_issuer_certificate_chain.txt"
mount = false
},
{
data = "{{ with nomadVar \"nomad/jobs\" }}{{ .smtp_password }}{{ end }}"
dest_prefix = "$${NOMAD_SECRETS_DIR}"
dest = "smtp_password.txt"
mount = false
},
]
}
resource "nomad_acl_auth_method" "nomad_authelia" {
name = "authelia"
type = "OIDC"
token_locality = "global"
max_token_ttl = "1h0m0s"
default = true
config {
oidc_discovery_url = "https://authelia.thefij.rocks"
oidc_client_id = "nomad"
oidc_client_secret = yamldecode(file("${path.module}/../ansible_playbooks/vars/nomad_vars.yml"))["nomad/oidc"]["secret"]
bound_audiences = ["nomad"]
oidc_scopes = [
"groups",
"openid",
]
allowed_redirect_uris = [
"https://nomad.thefij.rocks/oidc/callback",
"https://nomad.thefij.rocks/ui/settings/tokens",
]
list_claim_mappings = {
"groups" : "roles"
}
}
}
resource "nomad_acl_binding_rule" "nomad_authelia_admin" {
description = "engineering rule"
auth_method = nomad_acl_auth_method.nomad_authelia.name
selector = "\"nomad-deploy\" in list.roles"
bind_type = "role"
bind_name = "admin" # acls.nomad_acl_role.admin.name
}
resource "nomad_acl_binding_rule" "nomad_authelia_deploy" {
description = "engineering rule"
auth_method = nomad_acl_auth_method.nomad_authelia.name
selector = "\"nomad-deploy\" in list.roles"
bind_type = "role"
bind_name = "deploy" # acls.nomad_acl_role.deploy.name
}