From cf73562ad0bc374a902fa0eb1d97bc05325006b7 Mon Sep 17 00:00:00 2001
From: Chris King <kingtc@uab.edu>
Date: Wed, 7 Jul 2021 15:19:24 -0500
Subject: [PATCH] Semi-functional layout completed
---
.gitignore | 34 ++++++++
.terraform.lock.hcl | 21 +++++
README.md | 11 +++
compute.tf | 162 +++++++++++++++++++++++++++++++++++++++
networks.tf | 48 ++++++++++++
openstack.tf | 10 +++
outputs.tf | 3 +
securitygroups.tf | 11 +++
terraform.tf | 10 +++
terraform.tfvars.example | 6 ++
variables.tf | 42 ++++++++++
11 files changed, 358 insertions(+)
create mode 100644 .gitignore
create mode 100644 .terraform.lock.hcl
create mode 100644 README.md
create mode 100644 compute.tf
create mode 100644 networks.tf
create mode 100644 openstack.tf
create mode 100644 outputs.tf
create mode 100644 securitygroups.tf
create mode 100644 terraform.tf
create mode 100644 terraform.tfvars.example
create mode 100644 variables.tf
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..aa75c7f
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,34 @@
+### Terraform ###
+# Local .terraform directories
+**/.terraform/*
+
+# .tfstate files
+*.tfstate
+*.tfstate.*
+
+# Crash log files
+crash.log
+
+# Exclude all .tfvars files, which are likely to contain sentitive data, such as
+# password, private keys, and other secrets. These should not be part of version
+# control as they are data points which are potentially sensitive and subject
+# to change depending on the environment.
+#
+*.tfvars
+
+# Ignore override files as they are usually used to override resources locally and so
+# are not checked in
+override.tf
+override.tf.json
+*_override.tf
+*_override.tf.json
+
+# Include override files you do wish to add to version control using negated pattern
+# !example_override.tf
+
+# Include tfplan files to ignore the plan output of command: terraform plan -out=tfplan
+# example: *tfplan*
+
+# Ignore CLI configuration files
+.terraformrc
+terraform.rc
diff --git a/.terraform.lock.hcl b/.terraform.lock.hcl
new file mode 100644
index 0000000..2962f39
--- /dev/null
+++ b/.terraform.lock.hcl
@@ -0,0 +1,21 @@
+# This file is maintained automatically by "terraform init".
+# Manual edits may be lost in future updates.
+
+provider "registry.terraform.io/terraform-provider-openstack/openstack" {
+ version = "1.35.0"
+ constraints = "~> 1.35.0"
+ hashes = [
+ "h1:k1SCosvSICWAgRkswl83KtCycN7iP9asejWDDEQEtuk=",
+ "zh:04cf8800c83289a28619ac9925bc03e0ccd624f0ed68284f8bd473cf48f05ef0",
+ "zh:15fc2e1ea6f87d11e15aad075f3bfb7013eb63f31637f1ee317c94686c9650ec",
+ "zh:1b6625ce80e6d8f192c984dcf6ba7ab303e4fdab6fa5a0a5651a8a01521aa879",
+ "zh:4eb60013433f45fa3ef3fca314f68202e40ea3a12b0a5ccf75d8708002bbd8cd",
+ "zh:505a7b22c813874090ceaee1a3e7f29961d0fe5a854d90f313aec5aa4900f44a",
+ "zh:7be239b7e5672bd8fc3f3744bfe58dff73f8317ede349228a92dbd92b291a832",
+ "zh:97b21c64da2700a69b5a3d30e514d76b52fc1089a45a0e02611aadb071b6fcc1",
+ "zh:b45be0621b08f16236893a5bcc0e7fa1552176b299f6dbafa806f8b0ba5e4096",
+ "zh:cd3b4387766ab33fbf504b22e73196d5984bc647f5c8ac9483ad604cf5cd2ceb",
+ "zh:e3b69afe0cab18521ee11e283f783e76c02d248de40f7a25d54576f2b1643003",
+ "zh:f43d52db66544065040b40db6334a1dfe6c9084d87104af1b1d133f90bbf3a66",
+ ]
+}
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..50c300c
--- /dev/null
+++ b/README.md
@@ -0,0 +1,11 @@
+# Prerequisites
+
+* Install [terraform](https://www.terraform.io/downloads.html) 1.0 or greater
+* Configure some application credentials in the [RC Openstack dashboard](https://dashboard.cloud.rc.uab.edu/identity/application_credentials/)
+* Add a key pair (in the [Key Pairs](https://dashboard.cloud.rc.uab.edu/project/key_pairs) section)
+
+# Quickstart
+
+* Copy `terraform.tfvars.example` to `terraform.tfvars` and edit in appropriate values
+* Run `terraform init`
+* Run `terraform apply`
diff --git a/compute.tf b/compute.tf
new file mode 100644
index 0000000..d721ae6
--- /dev/null
+++ b/compute.tf
@@ -0,0 +1,162 @@
+# data for reference image
+data "openstack_images_image_v2" "base_image" {
+ name = var.base_image_name
+}
+
+# data for different instance sizes
+
+data "openstack_compute_flavor_v2" "m1_small" {
+ name = "m1.small"
+}
+
+# bastion node
+
+resource "openstack_compute_instance_v2" "bastion" {
+ name = "bastion"
+ image_id = data.openstack_images_image_v2.base_image.id
+ flavor_id = data.openstack_compute_flavor_v2.m1_small.id
+ key_pair = var.ssh_keypair
+ security_groups = [
+ "default",
+ openstack_compute_secgroup_v2.allow_ssh.name
+ ]
+
+ block_device {
+ # this is the image to clone from
+ uuid = data.openstack_images_image_v2.base_image.id
+ source_type = "image"
+ destination_type = "local"
+ boot_index = 0
+ delete_on_termination = true
+ }
+
+ block_device {
+ # and the volume to copy to
+ source_type = "blank"
+ destination_type = "volume"
+ volume_size = 10
+ boot_index = 1
+ delete_on_termination = true
+ }
+
+ network {
+ uuid = openstack_networking_network_v2.public_network.id
+ }
+}
+
+resource "openstack_compute_floatingip_associate_v2" "bastion_association" {
+ floating_ip = openstack_compute_floatingip_v2.floating_ip.address
+ instance_id = openstack_compute_instance_v2.bastion.id
+}
+
+# OSD nodes
+
+resource "openstack_compute_instance_v2" "osd" {
+ count = var.osd_node_count
+
+ name = format("osd%02d", count.index + 1)
+ image_id = data.openstack_images_image_v2.base_image.id
+ flavor_id = data.openstack_compute_flavor_v2.m1_small.id
+ key_pair = var.ssh_keypair
+ security_groups = [
+ "default"
+ ]
+
+ block_device {
+ # this is the image to clone from
+ uuid = data.openstack_images_image_v2.base_image.id
+ source_type = "image"
+ destination_type = "local"
+ boot_index = 0
+ delete_on_termination = true
+ }
+
+ block_device {
+ # and the volume to copy to
+ source_type = "blank"
+ destination_type = "volume"
+ volume_size = 10
+ boot_index = 1
+ delete_on_termination = true
+ }
+
+ network {
+ uuid = openstack_networking_network_v2.public_network.id
+ }
+
+ network {
+ uuid = openstack_networking_network_v2.cluster_network.id
+ }
+}
+
+# MDS node
+
+resource "openstack_compute_instance_v2" "mds" {
+ count = 1 # TODO: add variables for this later
+
+ name = format("mds%02d", count.index + 1)
+ image_id = data.openstack_images_image_v2.base_image.id
+ flavor_id = data.openstack_compute_flavor_v2.m1_small.id
+ key_pair = var.ssh_keypair
+ security_groups = [
+ "default"
+ ]
+
+ block_device {
+ # this is the image to clone from
+ uuid = data.openstack_images_image_v2.base_image.id
+ source_type = "image"
+ destination_type = "local"
+ boot_index = 0
+ delete_on_termination = true
+ }
+
+ block_device {
+ # and the volume to copy to
+ source_type = "blank"
+ destination_type = "volume"
+ volume_size = 10
+ boot_index = 1
+ delete_on_termination = true
+ }
+
+ network {
+ uuid = openstack_networking_network_v2.public_network.id
+ }
+}
+
+# MON node
+
+resource "openstack_compute_instance_v2" "mon" {
+ count = 1 # TODO: add variables for this later
+
+ name = format("mon%02d", count.index + 1)
+ image_id = data.openstack_images_image_v2.base_image.id
+ flavor_id = data.openstack_compute_flavor_v2.m1_small.id
+ key_pair = var.ssh_keypair
+ security_groups = [
+ "default"
+ ]
+
+ block_device {
+ # this is the image to clone from
+ uuid = data.openstack_images_image_v2.base_image.id
+ source_type = "image"
+ destination_type = "local"
+ boot_index = 0
+ delete_on_termination = true
+ }
+
+ block_device {
+ # and the volume to copy to
+ source_type = "blank"
+ destination_type = "volume"
+ volume_size = 10
+ boot_index = 1
+ delete_on_termination = true
+ }
+
+ network {
+ uuid = openstack_networking_network_v2.public_network.id
+ }
+}
diff --git a/networks.tf b/networks.tf
new file mode 100644
index 0000000..ba81251
--- /dev/null
+++ b/networks.tf
@@ -0,0 +1,48 @@
+# data source for external network
+
+data "openstack_networking_network_v2" "external" {
+ name = "uab-campus" # TODO: variable-itize this
+}
+
+# cluster network - intercommunication for OSDs
+
+resource "openstack_networking_network_v2" "cluster_network" {
+ name = "ceph-cluster-network"
+ admin_state_up = "true"
+}
+
+resource "openstack_networking_subnet_v2" "cluster_subnet" {
+ network_id = openstack_networking_network_v2.cluster_network.id
+ cidr = "10.0.100.0/24"
+}
+
+# public network - management/filesystem network
+
+resource "openstack_networking_network_v2" "public_network" {
+ name = "ceph-public-network"
+ admin_state_up = "true"
+}
+
+resource "openstack_networking_subnet_v2" "public_subnet" {
+ network_id = openstack_networking_network_v2.public_network.id
+ cidr = "10.0.0.0/24"
+}
+
+# router
+
+resource "openstack_networking_router_v2" "router" {
+ name = "public-router"
+ admin_state_up = true
+ external_network_id = data.openstack_networking_network_v2.external.id
+}
+
+resource "openstack_networking_router_interface_v2" "router_interface_public" {
+ router_id = openstack_networking_router_v2.router.id
+ subnet_id = openstack_networking_subnet_v2.public_subnet.id
+}
+
+# floating ip
+
+resource "openstack_compute_floatingip_v2" "floating_ip" {
+ pool = data.openstack_networking_network_v2.external.name
+}
diff --git a/openstack.tf b/openstack.tf
new file mode 100644
index 0000000..63d5bda
--- /dev/null
+++ b/openstack.tf
@@ -0,0 +1,10 @@
+provider "openstack" {
+ auth_url = "https://keystone.cloud.rc.uab.edu:5000/v3"
+ user_name = var.user_name
+ user_domain_name = var.user_domain_name
+ application_credential_name = var.appcred_name
+ application_credential_id = var.appcred_id
+ application_credential_secret = var.appcred_secret
+
+ insecure = true
+}
diff --git a/outputs.tf b/outputs.tf
new file mode 100644
index 0000000..118a6e5
--- /dev/null
+++ b/outputs.tf
@@ -0,0 +1,3 @@
+output "bastion_ip_address" {
+ value = openstack_compute_floatingip_v2.floating_ip.address
+}
diff --git a/securitygroups.tf b/securitygroups.tf
new file mode 100644
index 0000000..737af1d
--- /dev/null
+++ b/securitygroups.tf
@@ -0,0 +1,11 @@
+resource "openstack_compute_secgroup_v2" "allow_ssh" {
+ name = "allow ssh"
+ description = "allow ssh to hosts"
+
+ rule {
+ from_port = 22
+ to_port = 22
+ ip_protocol = "tcp"
+ cidr = "0.0.0.0/0"
+ }
+}
diff --git a/terraform.tf b/terraform.tf
new file mode 100644
index 0000000..5767904
--- /dev/null
+++ b/terraform.tf
@@ -0,0 +1,10 @@
+terraform {
+ required_version = ">= 1.0.1"
+
+ required_providers {
+ openstack = {
+ source = "terraform-provider-openstack/openstack"
+ version = "~> 1.35.0"
+ }
+ }
+}
diff --git a/terraform.tfvars.example b/terraform.tfvars.example
new file mode 100644
index 0000000..9ecb6c7
--- /dev/null
+++ b/terraform.tfvars.example
@@ -0,0 +1,6 @@
+user_name = "openstack_user_name"
+user_domain_name = "openstack_domain_name"
+appcred_id = "application_credential_id"
+appcred_name = "application_credential_name"
+appcred_secret = "application_credential_secret"
+ssh_keypair = "ssh_keypair_name"
diff --git a/variables.tf b/variables.tf
new file mode 100644
index 0000000..e0b694a
--- /dev/null
+++ b/variables.tf
@@ -0,0 +1,42 @@
+variable "user_name" {
+ type = string
+ description = "user name for use with openstack"
+}
+
+variable "user_domain_name" {
+ type = string
+ default = "uab"
+ description = "the domain to use for the user"
+}
+
+variable "appcred_id" {
+ type = string
+ description = "The app credential id. Get one from https://dashboard.cloud.rc.uab.edu/identity/application_credentials/"
+}
+
+variable "appcred_name" {
+ type = string
+ description = "The name for your application credential"
+}
+
+variable "appcred_secret" {
+ type = string
+ description = "The secret key for your application credential"
+}
+
+variable "ssh_keypair" {
+ type = string
+ description = "ssh keypair name to use for authentication"
+}
+
+variable "base_image_name" {
+ type = string
+ default = "sles-15-sp3-x86_64"
+ description = "base image to use for the cluster"
+}
+
+variable "osd_node_count" {
+ type = number
+ default = 3
+ description = "amount of OSD nodes to create"
+}
--
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