DC - Initial commit

Section2/playbooks/simple_variables.yaml

+---
+- name: Set up Apache
+  hosts: webservers
+  vars:
+    http_port: 80	
+
+- name: Set up Apache
+  hosts: webservers
+  vars_files:
+    - external_vars.yml

Section2/playbooks/tree.txt

+$ tree
+.
+├── ansible.cfg
+├── hosts
+└── group_vars
+│    └── all.yaml
+│    └── webservers.yaml
+└── host_vars
+│    └── web1.yaml
+│    └── web2.yaml
+│    └── db1.yaml
+│    └── db2.yaml
+├── setup_apache_playbook.yaml
+└── setup_mysql_playbook.yaml

Section2/simple_YAML/list_and_dictionary.yaml

+---
+devices:
+  - routers
+  - switches
+  - firewalls
+
+vlan:
+  name: DMZ
+  id:   10
+  subnet: 10.1.20.0/24
+  acl: DMZ_from_internet_v4

Section2/simple_YAML/list_of_dictionaries.yaml

+vlans:
+  - Management:
+    vlan_id:		99
+    description:	‘Management OOB’
+    ipv4_subnets:	193.1.219.0/24
+  - DNS_AUTH:
+    vlan_id:		10
+    description:	‘Authoritative DNS servers’
+    ipv4_subnets:	193.1.220.0/26
+    dhcp_servers:
+      - 193.1.2.1
+      - 193.1.3.1

Section4/check-and-diff/ansible.cfg

+[defaults]
+
+deprecation_warnings=False
+
+# don't like cows?  that's unfortunate.
+# set to 1 if you don't want cowsay support or export ANSIBLE_NOCOWS=1
+nocows = 1
+
+# You can only have one 'stdout' callback type enabled at a time. The default
+# is 'default'. The 'yaml' or 'debug' stdout callback plugins are easier to read.
+#
+stdout_callback = default
+#stdout_callback = yaml
+#stdout_callback = debug
+
+inventory = hosts

Section4/check-and-diff/change_hostname.yaml

+---
+- name: Change the hostname
+  hosts: veos
+  gather_facts: no
+  become: yes
+  vars:
+    ansible_connection: network_cli
+    ansible_network_os: eos
+  tasks:
+    - name: run the hostname command
+      arista.eos.eos_config:
+        lines:
+          - 'hostname rumplestiltskin'

Section4/check-and-diff/hosts

+[guinea_pigs]
+veos ansible_connection=ssh ansible_host=localhost ansible_port=9022 ansible_user=zork ansible_ssh_pass=swordfish
+

Section4/show-version-with-step/README.md

+# Show version with `--step`
+
+You need to update the hosts file : replace the "veos" host
+with one to which you can log on with ssh.
+
+Run ``ansible-playbook -i hosts --step show-version.yaml``
+and follow the prompts.
+

Section4/show-version-with-step/ansible.cfg

+[defaults]
+
+deprecation_warnings=False
+
+# don't like cows?  that's unfortunate.
+# set to 1 if you don't want cowsay support or export ANSIBLE_NOCOWS=1
+nocows = 1
+
+# You can only have one 'stdout' callback type enabled at a time. The default
+# is 'default'. The 'yaml' or 'debug' stdout callback plugins are easier to read.
+#
+stdout_callback = default
+#stdout_callback = yaml
+#stdout_callback = debug
+
+inventory = hosts

Section4/show-version-with-step/hosts

+[guinea_pigs]
+veos ansible_connection=ssh ansible_host=localhost ansible_port=9022 ansible_user=zork ansible_password=swordfish
+

Section4/show-version-with-step/show-version.yaml

+---
+- name: Show version
+  hosts: veos
+  gather_facts: "no"
+  connection: network_cli
+
+  tasks:
+    - name: Gather version
+      raw: 'show version | include Software'
+      register: showvers
+
+    - name: Print output
+      debug: var=showvers.stdout_lines[0]

Section4/tags/playbook_with_tags.yaml

+---
+- name: Play to install service daemons
+  hosts: localhost
+  gather_facts: False
+  tasks:
+  - name: Install web servers
+    debug:
+      msg: “Installing web servers”
+    tags: webservers
+
+  - name: Install the db servers   
+    debug:
+      msg: “Installing db servers”
+    tags: dbservers

Section4/vault/README.md

+# Viewing a vault file
+
+```
+$ ansible-vault view secrets_encrypted.yaml
+Vault password:
+---
+ansible_user: zork
+ansible_password: swordfish
+```

Section4/vault/ansible.cfg

+[defaults]
+
+deprecation_warnings=False
+
+# don't like cows?  that's unfortunate.
+# set to 1 if you don't want cowsay support or export ANSIBLE_NOCOWS=1
+nocows = 1
+
+# You can only have one 'stdout' callback type enabled at a time. The default
+# is 'default'. The 'yaml' or 'debug' stdout callback plugins are easier to read.
+#
+stdout_callback = default
+#stdout_callback = yaml
+#stdout_callback = debug
+
+inventory = hosts,hosts.cfg,hosts.ini,hosts.yml,hosts.yaml

Section4/vault/hosts_no_creds

+veos ansible_host=localhost ansible_port=9022 ansible_network_os=eos

Section4/vault/hosts_with_creds

+# veos ansible_connection=ssh ansible_host=localhost ansible_port=9022 
+veos ansible_connection=ssh ansible_host=localhost ansible_port=9022 ansible_user=zork ansible_ssh_pass=swordfish

Section4/vault/secrets_encrypted.yaml

+$ANSIBLE_VAULT;1.1;AES256
+37353032393065373731303737373035366230386435613732346333383964623830636135323232
+3132626139303264643037373937336231316531666333620a383330366531343130343262363637
+35326532373235623632383537343165373637376435336261313462643639656130313035636662
+3264376334333864640a366561303231303666646638666333376634393034366432633936633934
+32333630356662363031323234303333336130343036633030336366616262343933303666343736
+35316139336638373033633233646138633863633563363231333839303732373666356433656131
+353334346133663663303734383863633334

Section4/vault/secrets_plaintext.yaml

+---
+ansible_user: zork
+ansible_password: swordfish

Section4/vault/show-imported-variables.yaml

+---
+- name: Show version
+  hosts: veos
+  gather_facts: "no"
+  connection: network_cli
+  vars:
+    ansible_connection: network_cli
+    ansible_network_os: eos
+
+  tasks:
+    - name: Include plaintext secrets
+      include_vars: secrets_plaintext.yaml
+
+    - name: Show Ansible username
+      debug: var=ansible_user
+
+    - name: Show Ansible password
+      debug: var=ansible_password
+
+

Section4/vault/show-version-with-raw.yaml

+---
+- name: Show version
+  hosts: veos
+  gather_facts: "no"
+  connection: network_cli
+
+  tasks:
+    - name: Include plaintext secrets
+      include_vars: secrets_plaintext.yaml
+
+        #    - name: Show Ansible username
+        #      debug: var=ansible_user
+        #
+        #    - name: Show Ansible password
+        #      debug: var=ansible_password
+
+    - name: Gather version from switch
+      raw: 'show version | include Software'
+      register: showvers
+
+    - name: Print output
+      debug: var=showvers.stdout_lines[0]
+