Initial commit

README.md

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+# Convert qcow2 image to OVA for PowerVS
+
+This playbook convert a qcow2 image into a required sized ova image
+
+Playbook assume following:
+1. Given input image is qcow2
+2. Target machine has enough disk space to contain the intermediate images
+3. Target machine has required commands like, qemu-img, gzip etc
+
+
+# Using playbook
+
+1. Update vars/main.yaml with the URL/FILE etc
+2. Run the playbook
+    `ansible-playbook tasks/main.yml`

ansible.cfg

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+[defaults]
+inventory = inventory
+command_warnings = False
+filter_plugins = filter_plugins
+host_key_checking = False
+deprecation_warnings=False
+retry_files = false

defaults/main.yml

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+---
+# defaults file
+workdir: /tmp/image-workdir/

inventory

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+[vmhost]
+localhost ansible_connection=local

tasks/main.yml

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+---
+# Setup OCP4 Helper Node
+
+- hosts: all
+  vars_files:
+    - ../vars/main.yml
+    - ../defaults/main.yml
+
+  tasks:
+  - name: check work directory.
+    stat:
+      path: "{{ workdir }}"
+    register: work_folder
+
+  - name: Create work directory if not exists
+    file:
+      path: "{{ workdir }}"
+      state: directory
+      mode: 0755
+    when: work_folder.stat.exists == false
+
+  - name: clean work directory
+    file:
+      path: "{{ workdir }}"
+      state: "{{ item }}"
+    with_items:
+    - absent
+    - directory
+
+  - name: Create image directory
+    file:
+      path: "{{ workdir }}/image"
+      state: "{{ item }}"
+    with_items:
+    - absent
+    - directory
+
+  - name: Download image
+    get_url:
+      url: "{{ image_url }}"
+      dest: "{{ workdir }}"
+    when: image_url is defined
+
+  - name: Copy image
+    copy:
+      src: "{{ image_file }}"
+      dest: "{{ workdir }}"
+    when: image_file is defined
+
+  - name: Get the image file name
+    shell: basename "{{ image_url }}"
+    register: image_name
+    when: image_url is defined
+
+  - name: Get the image file name
+    shell: basename "{{ image_file }}"
+    register: image_name
+    when: image_file is defined
+
+  - name: Get the rhcos qcow2 file name
+    shell: ls *.qcow2.gz
+    args:
+      chdir: "{{ workdir }}"
+    register: qcow2_file
+
+  - name: Volume Name 
+    shell: basename {{ qcow2_file.stdout }} .qcow2.gz
+    register: volume_name
+
+  - name: Decompress the rhcos image file
+    shell: gzip -d "{{ qcow2_file.stdout }}"
+    args:
+      chdir: "{{ workdir }}"
+
+  - name: Get the rhcos qcow2 file name
+    shell: ls *.qcow2
+    args:
+      chdir: "{{ workdir }}"
+    register: qcow2_file
+
+  - name: Extend the qcow2 image
+    shell: qemu-img resize "{{ qcow2_file.stdout }}" +{{ image_size }}G
+    args:
+      chdir: "{{ workdir }}"
+    when: image_size is defined
+
+
+  - name: Convert qcow2 to raw
+    shell: qemu-img convert -f qcow2 -O raw {{ qcow2_file.stdout }} {{ volume_name.stdout }}
+    args:
+      chdir: "{{ workdir }}"
+
+  - name: Extend the image
+    shell: qemu-img resize "{{ volume_name.stdout  }}" {{ image_size }}G
+    args:
+      chdir: "{{ workdir }}"
+    when: image_size is defined
+
+  - name: Get the raw volume size
+    shell: ls -l {{ volume_name.stdout }} | awk '{print $5}'
+    register: volume_size
+    args:
+      chdir: "{{ workdir }}"
+
+  - name: Volume to image dir
+    command: mv "{{ workdir }}/{{ volume_name.stdout }}" "{{ workdir }}/image/{{ volume_name.stdout }}"
+
+  - name: Creating metadata file file
+    template:
+      src: ../templates/image.meta.j2
+      dest: "{{ workdir }}/image/{{ imagename }}.meta"
+
+  - name: Creating ovf file
+    template:
+      src: ../templates/image.ovf.j2
+      dest: "{{ workdir }}/image/{{imagename}}.ovf"
+
+  - name: Create OVA image file
+    archive:
+      path: "{{ workdir }}/image/."
+      dest: "{{ workdir }}/{{ imagename }}.ova"
+      format: tar
+
+  - name: Compres OVA image file to gz
+    archive:
+      path: "{{ workdir }}/{{ imagename }}.ova"
+      dest: "{{ workdir }}/{{ imagename }}.ova.gz"
+      format: gz

templates/image.meta.j2

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+os-type = rhel
+architecture = ppc64le
+vol1-file = {{ imagename }}
+vol1-type = boot

templates/image.ovf.j2

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+<?xml version="1.0" encoding="UTF-8"?>
+<ovf:Envelope xmlns:ovf="http://schemas.dmtf.org/ovf/envelope/1" xmlns:rasd="http://schemas.dmtf.org/wbem/wscim/1/cim-schema/2/CIM_ResourceAllocationSettingData" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+  <ovf:References>
+    <ovf:File href="{{ volume_name.stdout }}" id="file1" size="{{ volume_size.stdout }}"/>
+  </ovf:References>
+  <ovf:DiskSection>
+    <ovf:Info>Disk Section</ovf:Info>
+    <ovf:Disk capacity="{{ volume_size.stdout }}" capacityAllocationUnits="byte" diskId="disk1" fileRef="file1"/>
+  </ovf:DiskSection>
+  <ovf:VirtualSystemCollection>
+    <ovf:VirtualSystem ovf:id="vs0">
+      <ovf:Name>{{ imagename }}</ovf:Name>
+      <ovf:Info></ovf:Info>
+      <ovf:ProductSection>
+        <ovf:Info/>
+        <ovf:Product/>
+      </ovf:ProductSection>
+      <ovf:OperatingSystemSection ovf:id="79">
+        <ovf:Info/>
+        <ovf:Description>RHEL</ovf:Description>
+        <ns0:architecture xmlns:ns0="ibmpvc">ppc64le</ns0:architecture>
+      </ovf:OperatingSystemSection>
+      <ovf:VirtualHardwareSection>
+        <ovf:Info>Storage resources</ovf:Info>
+        <ovf:Item>
+          <rasd:Description>Temporary clone for export</rasd:Description>
+          <rasd:ElementName>{{ volume_name.stdout }}</rasd:ElementName>
+          <rasd:HostResource>ovf:/disk/disk1</rasd:HostResource>
+          <rasd:InstanceID>1</rasd:InstanceID>
+          <rasd:ResourceType>17</rasd:ResourceType>
+          <ns1:boot xmlns:ns1="ibmpvc">True</ns1:boot>
+        </ovf:Item>
+      </ovf:VirtualHardwareSection>
+    </ovf:VirtualSystem>
+    <ovf:Info/>
+    <ovf:Name>{{ imagename }}</ovf:Name>
+  </ovf:VirtualSystemCollection>
+</ovf:Envelope>

vars/main.yml

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+---
+image_url: https://mirror.openshift.com/pub/openshift-v4/ppc64le/dependencies/rhcos/4.4/4.4.9/rhcos-4.4.9-ppc64le-openstack.ppc64le.qcow2.gz
+#image_file: ~/Downloads/rhcos-4.4.9-ppc64le-openstack.ppc64le.qcow2.gz
+image_size: 5
+imagename: rhcos-44