Use already Deployed/Installed servers

This patch provides a set of templates that enables
tripleo-heat-templates to be used with a set of already deployed,
installed, and running servers. In this method, Nova and Ironic are not
used to deploy any servers.

This approach is attractive for POC deployments where dedicated
provisioning networks are not available, or other server install methods
are dictated for various reasons.

There are also assumptions that currently have to be made about the software
installed on the already deployed servers.  Effectively, they must match the
standard TripleO overcloud-full image.

Co-Authored-By: Steve Hardy <shardy@redhat.com>

Change-Id: I4ab1531f69c73457653f1cca3fe30cc32a04c129

1 files changed, 122 insertions, 0 deletions

diff --git a/deployed-server/deployed-server.yaml b/deployed-server/deployed-server.yaml
new file mode 100644
index 00000000..81941047
--- /dev/null
+++ b/deployed-server/deployed-server.yaml
@@ -0,0 +1,122 @@
+heat_template_version: 2014-10-16
+parameters:
+  image:
+    type: string
+    default: unused
+  flavor:
+    type: string
+    default: unused
+  key_name:
+    type: string
+    default: unused
+  security_groups:
+    type: json
+    default: []
+  # Require this so we can validate the parent passes the
+  # correct value
+  user_data_format:
+    type: string
+  user_data:
+    type: string
+    default: ''
+  name:
+    type: string
+    default: ''
+  image_update_policy:
+    type: string
+    default: ''
+  networks:
+    type: comma_delimited_list
+    default: ''
+  metadata:
+    type: json
+    default: {}
+  software_config_transport:
+    default: POLL_SERVER_CFN
+    type: string
+  scheduler_hints:
+    type: json
+    description: Optional scheduler hints to pass to nova
+    default: {}
+
+resources:
+  # We just need something which returns a unique ID, but we can't
+  # use RandomString because RefId returns the value, not the physical
+  # resource ID, SoftwareConfig should work as it returns a UUID
+  deployed-server:
+    type: OS::TripleO::DeployedServerConfig
+    properties:
+      user_data_format: SOFTWARE_CONFIG
+
+  InstanceIdConfig:
+    type: OS::Heat::StructuredConfig
+    properties:
+      group: os-apply-config
+      config:
+        instance-id: {get_attr: [deployed-server, "OS::stack_id"]}
+
+  InstanceIdDeployment:
+    type: OS::Heat::StructuredDeployment
+    properties:
+      config: {get_resource: InstanceIdConfig}
+      server: {get_resource: deployed-server}
+
+  HostsEntryConfig:
+    type: OS::Heat::SoftwareConfig
+    properties:
+      group: script
+      config: |
+          #!/bin/bash
+          set -eux
+          mkdir -p $heat_outputs_path
+          host=$(hostnamectl --static)
+          echo -n "$host "  > $heat_outputs_path.hosts_entry
+          host_ip=$(python -c "import socket; print socket.gethostbyname(\"$host\")")
+          echo -n "$host_ip " >> $heat_outputs_path.hosts_entry
+          echo >> $heat_outputs_path.hosts_entry
+          cat $heat_outputs_path.hosts_entry
+          echo -n $host_ip > $heat_outputs_path.ip_address
+          cat $heat_outputs_path.ip_address
+          echo -n $host > $heat_outputs_path.hostname
+          cat $heat_outputs_path.hostname
+      outputs:
+        - name: hosts_entry
+          description: hosts_entry
+        - name: ip_address
+          description: ip_address
+        - name: hostname
+          description: hostname
+
+  HostsEntryDeployment:
+    type: OS::Heat::SoftwareDeployment
+    properties:
+      config: {get_resource: HostsEntryConfig}
+      server: {get_resource: deployed-server}
+
+  ControlPlanePort:
+    type: OS::Neutron::Port
+    properties:
+      network: ctlplane
+      name:
+        list_join:
+          - '-'
+          - - {get_attr: [HostsEntryDeployment, hostname]}
+            - ctlplane
+            - port
+      replacement_policy: AUTO
+
+outputs:
+  # FIXME(shardy) this is needed because TemplateResource returns an
+  # ARN not a UUID, which overflows the Deployment server_id column..
+  OS::stack_id:
+    value: {get_attr: [deployed-server, "OS::stack_id"]}
+  networks:
+    value:
+      ctlplane:
+        - {get_attr: [ControlPlanePort, fixed_ips, 0, ip_address]}
+  name:
+   value: {get_attr: [HostsEntryDeployment, hostname]}
+  hosts_entry:
+   value: {get_attr: [HostsEntryDeployment, hosts_entry]}
+  ip_address:
+    value: {get_attr: [HostsEntryDeployment, ip_address]}