File Downloads for CoreOS and Ubuntu and misc fixes

Added file download support along with an automatic skip if the file
is already present, and semi-configurable httpboot folder path.

Corrected minor typo in env-setup.sh.

README.rst

@@ -5,7 +5,7 @@ Deets on the etherpad for now:
 
 Step 1:
 
-    cd step1
-    bash ./env-setup.sh
-    source /opt/stack/ansible/hacking/env-setup
-    ansible-playbook -vvvv -i localhost ./install.yaml
+1. cd step1
+2. bash ./env-setup.sh
+3. source /opt/stack/ansible/hacking/env-setup
+4. ansible-playbook -vvvv -i loca1host ./install.yaml

step1/env-setup.sh

@@ -12,4 +12,4 @@ fi
 echo
 echo "source /opt/stack/ansible/hacking/env-setup to proceed"
 export IRONIC_URL=http://localhost:6385/
-export OS_AUTH_TOJEN=' '
+export OS_AUTH_TOKEN=' '

step1/install.yaml

@@ -12,6 +12,7 @@
     - ironic_db_password: aSecretPassword473z
     - mysql_password: password
     - testing: true
+    - http_boot_folder: /httpboot
   tasks:
     - name: "Update Package Cache"
       local_action: apt update_cache=yes
@@ -100,7 +101,7 @@
       with_items:
         - /tftpboot
         - /tftpboot/pxelinux.cfg
-        - /httpboot
+        - "{{ http_boot_folder }}"
     - name: "Placing pxelinux.0"
       local_action: copy src=/usr/lib/syslinux/pxelinux.0 dest=/tftpboot
     - name: "Place tftp config file"
@@ -129,6 +130,8 @@
   name: "Retrieve Images"
   sudo: yes
   gather_facts: yes
+  vars:
+    - http_boot_folder: /httpboot
   tasks:
     # Similar logic to below can be utilized to retrieve files
     - name: "Determine if folder exists, else create and populate folder."
@@ -137,3 +140,23 @@
     - name: "Create master_images folder"
       local_action: file name=/tftpboot/master_images state=directory
       when: test_master_images.stat.exists == false
+    # This is overly complex, however get_url will always re-retrieve the file
+    # if it already exists, and this is to prevent that behavior.
+    - name: "Test if CoreOS kernel is present"
+      local_action: stat path={{ http_boot_folder }}/coreos_production_pxe.vmlinuz
+      register: test_core_os_kernel_present
+    - name: "Download CoreOS kernel"
+      local_action: get_url url=http://tarballs.openstack.org/ironic-python-agent/coreos/files/coreos_production_pxe.vmlinuz dest={{ http_boot_folder }}/coreos_production_pxe.vmlinuz
+      when: test_core_os_kernel_present.stat.exists == false
+    - name: "Test if CoreOS image is present"
+      local_action: stat path={{ http_boot_folder }}/coreos_production_pxe_image-oem.cpio.gz
+      register: test_core_os_image_present
+    - name: "Download CoreOS image"
+      local_action: get_url url=http://tarballs.openstack.org/ironic-python-agent/coreos/files/coreos_production_pxe_image-oem.cpio.gz dest={{ http_boot_folder }}/coreos_production_pxe_image-oem.cpio.gz
+      when: test_core_os_image_present.stat.exists == false
+    - name: "Test if Ubuntu 14.04 server cloud amd64 is present"
+      local_action: stat path={{ http_boot_folder }}/ubuntu-14.04-server-cloudimg-amd64.tar.gz
+      register: test_core_os_image_present
+    - name: "Download CoreOS image"
+      local_action: get_url url=http://cloud-images.ubuntu.com/releases/trusty/release/ubuntu-14.04-server-cloudimg-amd64.tar.gz dest={{ http_boot_folder }}/ubuntu-14.04-server-cloudimg-amd64.tar.gz
+      when: test_core_os_image_present.stat.exists == false

step1/templates/dnsmasq.conf.j2

@@ -7,7 +7,7 @@
 # Listen on this specific port instead of the standard DNS port
 # (53). Setting this to zero completely disables DNS function,
 # leaving only DHCP and/or TFTP.
-port=0
+port=53
 
 # The following two options make you a better netizen, since they
 # tell dnsmasq to filter out queries which the public DNS cannot

step1/templates/ironic.conf.j2

@@ -1281,7 +1281,7 @@ pxe_bootfile_name=undionly.kpxe
 http_url=http://{{ hostvars[inventory_hostname]['ansible_' + network_interface]['ipv4']['address'] }}:8080/
 
 # Ironic compute node's HTTP root path. (string value)
-http_root=/httpboot
+http_root={{ http_boot_folder }}
 
 # Enable iPXE boot. (boolean value)
 ipxe_enabled=true

step1/templates/nginx.conf.j2

@@ -45,5 +45,5 @@ http {
 server {
 	listen 8000;
 	server_name {{ ansible_hostname }};
-        root /httpboot;
+        root {{ http_boot_folder }};
 }