Updated postgres

Author: djthorpe

README.md

@@ -160,14 +160,13 @@ TODO:
 PostgreSQL is a database server
 
 * [Documentation](https://www.postgresql.org/)
-* [Terraform Example](_examples/postgresql.tf)
-* [Nomad Job](postgresql/nomad/postgresql.hcl)
+* [Terraform Example](_examples/postgres.tf)
+* [Nomad Job](postgres/nomad/postgres.hcl)
 
 TODO:
 
 * [ ] LDAP integration
 * [ ] Add TLS support
-* [ ] Add replication support
 * [ ] Use volume instead when the data does not have '/' as prefix
 * [ ] Add users, databases and roles support on initialization
 

_examples/postgres.tf

@@ -0,0 +1,20 @@
+
+module "postgres" {
+  source = "github.com/mutablelogic/tf-nomad//postgres"
+
+  enabled    = true // If false, no-op
+  dc         = var.dc
+  namespace  = var.namespace
+  service_dns = ["192.168.86.11", "192.168.86.12", "192.168.86.13"]
+
+  root_user            = local.POSTGRESQL_ROOT_USER            // User for the 'root' user (default: postgres)
+  root_password        = local.POSTGRESQL_ROOT_PASSWORD        // Password for the 'root' user
+  replication_user     = local.POSTGRESQL_REPLICATION_USER     // User for the 'replication' user (default: replicator)
+  replication_password = local.POSTGRESQL_REPLICATION_PASSWORD // Password for the 'replication' user
+
+  primary = "cm2"                  // Primary server node
+  replicas = [ "cm3", "cm5" ]      // One or more read-only replica server nodes
+  port     = 5432                  // Port to expose (optional)
+  database = "postgres"            // Default database name (optional)
+  data     = "/var/lib/postgresql" // Persistence directory
+}