first pass at incorporating mesh setup/config

roles/bitbucket_mesh_config/tasks/meshvol_check.yml

@@ -0,0 +1,117 @@
+---
+# check if meshvol mounted or for an abandoned mesh vol on the current AZ
+# at the end of this module we should have mesh_vol set if there is one to find
+# if we dont have mesh_vol then we need to either hydrate one from snap or make a new/empty one
+
+# first, try to set mesh_vol from currently mounted volume
+- name: create list of current mounts
+  ansible.builtin.set_fact:
+    mounts_list: "{{ ansible_mounts | map(attribute='mount') | list }}"
+
+# - name: discover mesh volume device stat
+#   ansible.builtin.stat:
+#     path: '/dev/xvdd'
+#     follow: no
+#     get_attributes: yes
+#   register: mesh_device_stat
+
+- name: pull info for this_instance from instanceFacts
+  ansible.builtin.set_fact:
+    this_instance: "{{ instanceFacts.instances | first }}"
+
+- name: create list of current block devices
+  ansible.builtin.set_fact:
+    devices_list: "{{ this_instance.block_device_mappings | map(attribute='device_name') | list }}"
+
+- name: discover mesh volume device stat
+  ansible.builtin.stat:
+    path: '/dev/xvdd'
+    follow: no
+    get_attributes: yes
+  register: mesh_device_stat
+
+- name: describe mesh volume true device
+  ansible.builtin.set_fact:
+    mesh_device: "{{ mesh_device_stat.stat['lnk_source'] }}"
+  ignore_errors: yes
+  when: '"lnk_source" in mesh_device_stat.stat'
+
+# lazy guess at mesh_vol - # TODO make this better
+- name: set mesh_vol from currently mounted device
+  ansible.builtin.set_fact:
+    mesh_vol: "{{ this_instance | community.general.json_query(vol_id_query) | first }}"
+  vars:
+    vol_id_query: "block_device_mappings[?(@.device_name=='/dev/xvdd')].ebs.volume_id"
+  when:  (mesh_device is defined) and (mesh_device|length > 0)
+
+- name: shall we check for abandoned?
+  ansible.builtin.set_fact:
+    abandoned_check: "{{ ((mesh_vol is not defined) or (mesh_vol|length == 0)) | ternary(true, false) }}"
+
+# second, if we dont have a mesh_vol yet, try to set it from abandoned
+- block:
+  - name: check for abandoned ebs vols of this stack in current AZ
+    amazon.aws.ec2_vol_info:
+      region: "{{ ansible_ec2_placement_region }}"
+      filters:
+        status: 'available'
+        "tag:service_name": "{{ stack_name }}"
+        "tag:Name": "{{ stack_name }} mesh volume {{ ansible_ec2_placement_availability_zone }}"
+    register: orphan_vol_info
+    tags: notest  # doesn't work in molecule
+
+  - name: Extract orphan volume_id values using json_query
+    ansible.builtin.set_fact:
+      orphan_vol_list: "{{ orphan_vol_info | json_query('volumes[*].id') }}"
+
+  - name: loop to get an orphan_lease_lock (temporary lock on volume cleaned up in handler)
+    ansible.builtin.include_tasks: orphan_lease_lock.yml
+    with_items: "{{ orphan_vol_list }}"
+    loop_control:
+      loop_var: test_orphan_vol
+    when: orphan_vol is not defined
+
+  - name: set mesh_vol from orphan_vol
+    ansible.builtin.set_fact:
+      mesh_vol: "{{ orphan_vol }}"
+    when:
+      - orphan_vol is defined
+      - orphan_vol | length > 0
+
+  - name: attach abandoned mesh vol to this ec2
+    amazon.aws.ec2_vol:
+      instance: "{{ ansible_ec2_instance_id }}"
+      id: "{{ mesh_vol }}"
+      region: "{{ ansible_ec2_placement_region }}"
+      device_name: /dev/xvdd
+      delete_on_termination: no
+    when:
+      - mesh_vol is defined
+      - mesh_vol | length > 0
+
+  when: abandoned_check
+
+# third, if no mesh_vol and this is a clone, set mesh_snap
+- block:
+  - name: create az dict attributes
+    ansible.builtin.set_fact:
+      my_attributes:
+        - key: "{{ atl_mesh_azname_az1 }}"
+          value: "{{ atl_mesh_snapshot_az1 }}"
+        - key: "{{ atl_mesh_azname_az2 }}"
+          value: "{{ atl_mesh_snapshot_az2 }}"
+        - key: "{{ atl_mesh_azname_az3 }}"
+          value: "{{ atl_mesh_snapshot_az3 }}"
+
+  - name: create az dict if this stack is a mesh clone
+    ansible.builtin.set_fact:
+      azsnapdict: "{{ my_attributes | items2dict }}"
+
+  - name: set mesh clone node snapshot fact if this stack is a mesh clone
+    ansible.builtin.set_fact:
+      mesh_snapshot: "{{ azsnapdict[ansible_ec2_placement_availability_zone] }}"
+
+  ignore_errors: yes
+  when:
+   - (mesh_vol is not defined) or (mesh_vol|length == 0)
+   - mesh_clone