- add exeriments for:

  - roles
  - variables
  - inventory changes
  - config changes

7 files changed, 120 insertions, 0 deletions

diff --git a/ansible-practice/system/03-playbook-print-gateway.yml b/ansible-practice/system/03-playbook-print-gateway.yml
new file mode 100644
index 0000000..7fd2277
--- /dev/null
+++ b/ansible-practice/system/03-playbook-print-gateway.yml
@@ -0,0 +1,16 @@
+# display some per host info using 'magic variables'
+#   https://docs.ansible.com/ansible/latest/collections/ansible/builtin/debug_module.html
+#   https://docs.ansible.com/ansible/latest/inventory/implicit_localhost.html
+#   https://docs.ansible.com/ansible/latest/playbook_guide/playbooks_delegation.html
+#
+
+---
+- name: "03 - display some per host info"
+  hosts: all
+#  hosts: localhost
+#  connection: local
+  tasks:
+  - name: Print the gateway for each host when defined
+    ansible.builtin.debug:
+      msg: System {{ inventory_hostname }} has gateway {{ ansible_default_ipv4.gateway }}
+    when: ansible_default_ipv4.gateway is defined
\ No newline at end of file
diff --git a/ansible-practice/system/04-playbook-bash-configs.yml b/ansible-practice/system/04-playbook-bash-configs.yml
new file mode 100644
index 0000000..99da687
--- /dev/null
+++ b/ansible-practice/system/04-playbook-bash-configs.yml
@@ -0,0 +1,12 @@
+# - makes use of 'roles'
+#   - experimenting w/ including variable files
+#     - this only works when we create a '/vars' directory w/ our variables in it
+
+---
+- hosts: all
+#- hosts: localhost
+#  connection: local
+  vars_files:
+    - [ "vars/{{ inventory_hostname }}.yml", "vars/otherhosts.yml" ]
+  roles:
+    - bash_config_old
diff --git a/ansible-practice/system/05-playbook-bash-configs.yml b/ansible-practice/system/05-playbook-bash-configs.yml
new file mode 100644
index 0000000..3f56745
--- /dev/null
+++ b/ansible-practice/system/05-playbook-bash-configs.yml
@@ -0,0 +1,31 @@
+# - similar to '02-playbook-copy-bash-configs.yml' but uses 'vars_files'
+#   to store the variable 'prefix_dir' inside files representing 
+#   the environment
+
+---
+- name: "05 - custom ansible - copy bash config files w/ content"
+  hosts: localhost
+  connection: local
+  vars_files:
+    - [ "vars/{{ inventory_hostname }}.yml", "vars/otherhosts.yml" ]
+  tasks:
+  - name: copy '.bash_aliases' 
+    ansible.builtin.copy:
+      src: ~/repos/ansible_repo/ansible-practice/system/.bash_aliases
+      dest: "{{ prefix_dir }}.bash_aliases"
+      mode: '0644'
+    tags: ['bash_aliases']
+
+  - name: Creating '.bashrc' file with content
+    ansible.builtin.copy:
+      src: ~/repos/ansible_repo/ansible-practice/system/.bashrc
+      dest: "{{ prefix_dir }}.bashrc"
+      mode: '0644'
+    tags: ['bashrc']
+
+  - name: Creating '.bash_profile' file with content
+    ansible.builtin.copy:
+      src: ~/repos/ansible_repo/ansible-practice/system/.bash_profile
+      dest: "{{ prefix_dir }}.bash_profile"
+      mode: '0644'
+    tags: ['bash_profile']
diff --git a/ansible-practice/system/06-playbook-print-group-vars.yml b/ansible-practice/system/06-playbook-print-group-vars.yml
new file mode 100644
index 0000000..850bea2
--- /dev/null
+++ b/ansible-practice/system/06-playbook-print-group-vars.yml
@@ -0,0 +1,44 @@
+
+# https://stackoverflow.com/questions/53253879/ansible-vars-files-vs-include-vars
+# https://docs.ansible.com/ansible/2.7/user_guide/playbooks_variables.html#variable-precedence-where-should-i-put-a-variable
+
+# https://www.middlewareinventory.com/blog/run-ansible-playbook-locally/
+# https://nixzie.com/run-ansible-playbook-locally/#Run_Ansible_Playbook_Locally_Using_Local_Action
+# https://docs.ansible.com/ansible/latest/playbook_guide/playbooks_delegation.html#delegating-facts
+# https://docs.ansible.com/ansible/latest/collections/ansible/builtin/debug_module.html
+# https://docs.ansible.com/ansible-core/2.15/reference_appendices/interpreter_discovery.html
+
+---
+- name: "06"
+  hosts: localhost
+#  hosts: "*"   
+  tasks:
+  - name: Print the gateway for each host when defined
+    ansible.builtin.debug:
+      msg: System {{ inventory_hostname }} has gateway {{ ansible_default_ipv4.gateway }}
+    when: ansible_default_ipv4.gateway is defined
+
+  - name: Print the ansible python interpreter
+    ansible.builtin.debug:
+      msg:
+      - "ansible_playbook_python = {{ ansible_playbook_python }}"
+#      - "ansible_python_interpreter = {{ ansible_python_interpreter }}"
+
+  - name: Print the ansible python interpreter - for the localhost
+    ansible.builtin.debug:
+      msg:
+      - "ansible_playbook_python = {{ ansible_playbook_python }}"
+      - "ansible_host = {{ ansible_host }}"
+#      - "ansible_python_interpreter = {{ ansible_python_interpreter }}"
+    delegate_to: localhost
+    run_once: true
+
+  - name: Print the ansible python interpreter - using 'local_action'
+    local_action:
+      module: ansible.builtin.debug
+      var: ansible_playbook_python
+    run_once: true
+
+  - name: Print the group variable
+    ansible.builtin.debug:
+      msg: prefix variable = {{ prefix_dir }}
diff --git a/ansible-practice/system/07-playbook-bash-configs.yml b/ansible-practice/system/07-playbook-bash-configs.yml
new file mode 100644
index 0000000..be77bc7
--- /dev/null
+++ b/ansible-practice/system/07-playbook-bash-configs.yml
@@ -0,0 +1,11 @@
+# - similar to '04-playbook-copy-bash-configs.yml'
+#   - uses new changes in '~/.ansible/hosts'
+#   - uses new additions inside the following files to store 'prefix_dir':
+#     - '/home/dpierre/.ansible/group_vars/all'
+#     - '/home/dpierre/.ansible/host_vars/localhost'
+
+---
+- name: "07 - custom ansible - copy bash config files w/ content"
+  hosts: localhost
+  roles:
+    - bash_config
\ No newline at end of file
diff --git a/ansible-practice/system/vars/localhost.yml b/ansible-practice/system/vars/localhost.yml
new file mode 100644
index 0000000..c5727b6
--- /dev/null
+++ b/ansible-practice/system/vars/localhost.yml
@@ -0,0 +1,3 @@
+---
+# vars for localhost
+prefix_dir: ~/tmp/temp_files/
diff --git a/ansible-practice/system/vars/otherhosts.yml b/ansible-practice/system/vars/otherhosts.yml
new file mode 100644
index 0000000..1fe8201
--- /dev/null
+++ b/ansible-practice/system/vars/otherhosts.yml
@@ -0,0 +1,3 @@
+---
+# vars for other hosts
+prefix_dir: ~/