Merge pull request #141 from lhuard1A/virt

Add libvirt as a provider for openshift-ansible

7 files changed, 260 insertions, 0 deletions

diff --git a/playbooks/libvirt/openshift-cluster/filter_plugins b/playbooks/libvirt/openshift-cluster/filter_plugins
new file mode 120000
index 000000000..99a95e4ca
--- /dev/null
+++ b/playbooks/libvirt/openshift-cluster/filter_plugins
@@ -0,0 +1 @@
+../../../filter_plugins
\ No newline at end of file
diff --git a/playbooks/libvirt/openshift-cluster/launch.yml b/playbooks/libvirt/openshift-cluster/launch.yml
new file mode 100644
index 000000000..6f2df33af
--- /dev/null
+++ b/playbooks/libvirt/openshift-cluster/launch.yml
@@ -0,0 +1,65 @@
+- name: Launch instance(s)
+  hosts: localhost
+  connection: local
+  gather_facts: no
+
+  vars:
+    libvirt_storage_pool_path: "{{ lookup('env','HOME') }}/libvirt-storage-pool-openshift"
+    libvirt_storage_pool: 'openshift'
+    libvirt_uri: 'qemu:///system'
+
+  vars_files:
+    - vars.yml
+
+  tasks:
+    - set_fact:
+        k8s_type: master
+
+    - name: Generate master instance name(s)
+      set_fact:
+        scratch_name: "{{ cluster_id }}-{{ k8s_type }}-{{ '%05x' | format( 1048576 | random ) }}"
+      register: master_names_output
+      with_sequence: start=1 end='{{ num_masters }}'
+
+    - set_fact:
+        master_names: "{{ master_names_output.results | oo_collect('ansible_facts') | oo_collect('scratch_name') }}"
+
+    - include: launch_instances.yml
+      vars:
+        instances: '{{ master_names }}'
+        cluster: '{{ cluster_id }}'
+        type: '{{ k8s_type }}'
+        group_name: 'tag_env-host-type-{{ cluster_id }}-openshift-master'
+
+    - set_fact:
+        k8s_type: node
+
+    - name: Generate node instance name(s)
+      set_fact:
+        scratch_name: "{{ cluster_id }}-{{ k8s_type }}-{{ '%05x' | format( 1048576 | random ) }}"
+      register: node_names_output
+      with_sequence: start=1 end='{{ num_nodes }}'
+
+    - set_fact:
+        node_names: "{{ node_names_output.results | oo_collect('ansible_facts') | oo_collect('scratch_name') }}"
+
+    - include: launch_instances.yml
+      vars:
+        instances: '{{ node_names }}'
+        cluster: '{{ cluster_id }}'
+        type: '{{ k8s_type }}'
+
+- hosts: 'tag_env-{{ cluster_id }}'
+  roles:
+    - openshift_repos
+    - os_update_latest
+
+- include: ../openshift-master/config.yml
+  vars:
+    oo_host_group_exp: 'groups["tag_env-host-type-{{ cluster_id }}-openshift-master"]'
+    oo_env: '{{ cluster_id }}'
+
+- include: ../openshift-node/config.yml
+  vars:
+    oo_host_group_exp: 'groups["tag_env-host-type-{{ cluster_id }}-openshift-node"]'
+    oo_env: '{{ cluster_id }}'
diff --git a/playbooks/libvirt/openshift-cluster/launch_instances.yml b/playbooks/libvirt/openshift-cluster/launch_instances.yml
new file mode 100644
index 000000000..3bbcae981
--- /dev/null
+++ b/playbooks/libvirt/openshift-cluster/launch_instances.yml
@@ -0,0 +1,102 @@
+- name: Create the libvirt storage directory for openshift
+  file:
+    dest: '{{ libvirt_storage_pool_path }}'
+    state: directory
+
+- name: Download Base Cloud image
+  get_url:
+    url: '{{ base_image_url }}'
+    sha256sum: '{{ base_image_sha256 }}'
+    dest: '{{ libvirt_storage_pool_path }}/{{ base_image_name }}'
+
+- name: Create the cloud-init config drive path
+  file:
+    dest: '{{ libvirt_storage_pool_path }}/{{ item }}_configdrive/openstack/latest'
+    state: directory
+  with_items: '{{ instances }}'
+
+- name: Create the cloud-init config drive files
+  template:
+    src: '{{ item[1] }}'
+    dest: '{{ libvirt_storage_pool_path }}/{{ item[0] }}_configdrive/openstack/latest/{{ item[1] }}'
+  with_nested:
+    - '{{ instances }}'
+    - [ user-data, meta-data ]
+
+- name: Create the cloud-init config drive
+  command: 'genisoimage -output {{ libvirt_storage_pool_path }}/{{ item }}_cloud-init.iso -volid cidata -joliet -rock user-data meta-data'
+  args:
+    chdir: '{{ libvirt_storage_pool_path }}/{{ item }}_configdrive/openstack/latest'
+    creates: '{{ libvirt_storage_pool_path }}/{{ item }}_cloud-init.iso'
+  with_items: '{{ instances }}'
+
+- name: Create the libvirt storage pool for openshift
+  command: 'virsh -c {{ libvirt_uri }} pool-create-as {{ libvirt_storage_pool }} dir --target {{ libvirt_storage_pool_path }}'
+  ignore_errors: yes
+
+- name: Refresh the libvirt storage pool for openshift
+  command: 'virsh -c {{ libvirt_uri }} pool-refresh {{ libvirt_storage_pool }}'
+
+- name: Create VMs drives
+  command: 'virsh -c {{ libvirt_uri }} vol-create-as {{ libvirt_storage_pool }} {{ item }}.qcow2 10G --format qcow2 --backing-vol {{ base_image_name }} --backing-vol-format qcow2'
+  with_items: '{{ instances }}'
+
+- name: Create VMs
+  virt:
+    name: '{{ item }}'
+    command: define
+    xml: "{{ lookup('template', '../templates/domain.xml') }}"
+    uri: '{{ libvirt_uri }}'
+  with_items: '{{ instances }}'
+
+- name: Start VMs
+  virt:
+    name: '{{ item }}'
+    state: running
+    uri: '{{ libvirt_uri }}'
+  with_items: '{{ instances }}'
+
+- name: Collect MAC addresses of the VMs
+  shell: 'virsh -c {{ libvirt_uri }} dumpxml {{ item }} | xmllint --xpath "string(//domain/devices/interface/mac/@address)" -'
+  register: scratch_mac
+  with_items: '{{ instances }}'
+
+- name: Wait for the VMs to get an IP
+  command: "egrep -c '{{ scratch_mac.results | oo_collect('stdout') | join('|') }}' /proc/net/arp"
+  ignore_errors: yes
+  register: nb_allocated_ips
+  until: nb_allocated_ips.stdout == '{{ instances | length }}'
+  retries: 30
+  delay: 1
+
+- name: Collect IP addresses of the VMs
+  shell: "awk '/{{ item.stdout }}/ {print $1}' /proc/net/arp"
+  register: scratch_ip
+  with_items: '{{ scratch_mac.results }}'
+
+- set_fact:
+    ips: "{{ scratch_ip.results | oo_collect('stdout') }}"
+
+- name: Add new instances
+  add_host:
+    hostname: '{{ item.0 }}'
+    ansible_ssh_host: '{{ item.1 }}'
+    ansible_ssh_user: root
+    groups: 'tag_env-{{ cluster }}, tag_host-type-{{ type }}, tag_env-host-type-{{ cluster }}-openshift-{{ type }}'
+  with_together:
+    - instances
+    - ips
+
+- name: Wait for ssh
+  wait_for:
+    host: '{{ item }}'
+    port: 22
+  with_items: ips
+
+- name: Wait for root user setup
+  command: 'ssh -o StrictHostKeyChecking=no -o PasswordAuthentication=no -o ConnectTimeout=10 -o UserKnownHostsFile=/dev/null root@{{ item }} echo root user is setup'
+  register: result
+  until: result.rc == 0
+  retries: 30
+  delay: 1
+  with_items: ips
diff --git a/playbooks/libvirt/openshift-cluster/list.yml b/playbooks/libvirt/openshift-cluster/list.yml
new file mode 100644
index 000000000..6bf07e3c6
--- /dev/null
+++ b/playbooks/libvirt/openshift-cluster/list.yml
@@ -0,0 +1,43 @@
+- name: Generate oo_list_hosts group
+  hosts: localhost
+  connection: local
+  gather_facts: no
+
+  vars:
+    libvirt_uri: 'qemu:///system'
+
+  tasks:
+    - name: List VMs
+      virt:
+        command: list_vms
+      register: list_vms
+
+    - name: Collect MAC addresses of the VMs
+      shell: 'virsh -c {{ libvirt_uri }} dumpxml {{ item }} | xmllint --xpath "string(//domain/devices/interface/mac/@address)" -'
+      register: scratch_mac
+      with_items: '{{ list_vms.list_vms }}'
+      when: item|truncate(cluster_id|length+1, True) == '{{ cluster_id }}-...'
+
+    - name: Collect IP addresses of the VMs
+      shell: "awk '/{{ item.stdout }}/ {print $1}' /proc/net/arp"
+      register: scratch_ip
+      with_items: '{{ scratch_mac.results }}'
+      when: item.skipped is not defined
+
+    - name: Add hosts
+      add_host:
+        hostname: '{{ item[0] }}'
+        ansible_ssh_host: '{{ item[1].stdout }}'
+        ansible_ssh_user: root
+        groups: oo_list_hosts
+      with_together:
+        - '{{ list_vms.list_vms }}'
+        - '{{ scratch_ip.results }}'
+      when: item[1].skipped is not defined
+
+- name: List Hosts
+  hosts: oo_list_hosts
+
+  tasks:
+    - debug:
+        msg: 'public:{{ansible_default_ipv4.address}} private:{{ansible_default_ipv4.address}}'
diff --git a/playbooks/libvirt/openshift-cluster/roles b/playbooks/libvirt/openshift-cluster/roles
new file mode 120000
index 000000000..20c4c58cf
--- /dev/null
+++ b/playbooks/libvirt/openshift-cluster/roles
@@ -0,0 +1 @@
+../../../roles
\ No newline at end of file
diff --git a/playbooks/libvirt/openshift-cluster/terminate.yml b/playbooks/libvirt/openshift-cluster/terminate.yml
new file mode 100644
index 000000000..c609169d3
--- /dev/null
+++ b/playbooks/libvirt/openshift-cluster/terminate.yml
@@ -0,0 +1,41 @@
+- name: Terminate instance(s)
+  hosts: localhost
+  connection: local
+  gather_facts: no
+
+  vars:
+    libvirt_storage_pool_path: "{{ lookup('env','HOME') }}/libvirt-storage-pool-openshift"
+    libvirt_storage_pool: 'openshift'
+    libvirt_uri: 'qemu:///system'
+
+  tasks:
+    - name: List VMs
+      virt:
+        command: list_vms
+      register: list_vms
+
+    - name: Destroy VMs
+      virt:
+        name: '{{ item[0] }}'
+        command: '{{ item[1] }}'
+        uri: '{{ libvirt_uri }}'
+      with_nested:
+        - '{{ list_vms.list_vms }}'
+        - [ destroy, undefine ]
+      when: item[0]|truncate(cluster_id|length+1, True) == '{{ cluster_id }}-...'
+
+    - name: Delete VMs config drive
+      file:
+        path: '{{ libvirt_storage_pool_path }}/{{ item }}_configdrive/openstack'
+        state: absent
+      with_items: '{{ list_vms.list_vms }}'
+      when: item|truncate(cluster_id|length+1, True) == '{{ cluster_id }}-...'
+
+    - name: Delete VMs drives
+      command: 'virsh -c {{ libvirt_uri }} vol-delete --pool {{ libvirt_storage_pool }} {{ item[0] }}{{ item[1] }}'
+      args:
+        removes: '{{ libvirt_storage_pool_path }}/{{ item[0] }}{{ item[1] }}'
+      with_nested:
+        - '{{ list_vms.list_vms }}'
+        - [ '_configdrive', '_cloud-init.iso', '.qcow2' ]
+      when: item[0]|truncate(cluster_id|length+1, True) == '{{ cluster_id }}-...'
diff --git a/playbooks/libvirt/openshift-cluster/vars.yml b/playbooks/libvirt/openshift-cluster/vars.yml
new file mode 100644
index 000000000..4e4eecd46
--- /dev/null
+++ b/playbooks/libvirt/openshift-cluster/vars.yml
@@ -0,0 +1,7 @@
+# base_image_url: http://download.fedoraproject.org/pub/fedora/linux/releases/21/Cloud/Images/x86_64/Fedora-Cloud-Base-20141203-21.x86_64.qcow2
+# base_image_name: Fedora-Cloud-Base-20141203-21.x86_64.qcow2
+# base_image_sha256: 3a99bb89f33e3d4ee826c8160053cdb8a72c80cd23350b776ce73cd244467d86
+
+base_image_url: http://cloud.centos.org/centos/7/images/CentOS-7-x86_64-GenericCloud.qcow2
+base_image_name: CentOS-7-x86_64-GenericCloud.qcow2
+base_image_sha256: e324e3ab1d24a1bbf035ddb365e7f9058c0b454acf48d7aa15c5519fae5998ab