Kapitel 08: Lookups, Loops, Includes

08/copy_3files_debug.yml

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+---
+- hosts: localhost
+  tasks:
+    - name: "[DEBUG] Copy 3 files"
+      ansible.builtin.debug:
+        msg: "src={{ item.0 }} dest={{ item.1 }}"
+      loop:
+        - [config1.cfg, /etc/config1.cfg]
+        - [config2.cfg, /etc/config2.cfg]
+        - [config3.cfg, /etc/daemon/config3.cfg]
+

08/copy_3files_debug_filter.yml

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+---
+- hosts: localhost
+  tasks:
+    - name: "[DEBUG] Copy 3 files"
+      ansible.builtin.debug:
+        msg: "src={{ item|basename }} dest={{ item }}"
+      loop:
+        - /etc/config1.cfg
+        - /etc/config2.cfg
+        - /etc/daemon/config3.cfg
+

08/loop_include.yml

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+---
+- hosts: localhost
+  tasks:
+    - include_tasks: loop_include_sub.yml
+      loop:
+        - Aussen-1
+        - Aussen-2
+      loop_control:
+        loop_var: outer
+

08/loop_include_sub.yml

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+---
+- debug: "msg='Innen: {{ item }}, Außen: {{ outer }} - {{ loop_index }}'"
+  loop:
+    - Innen-1
+    - Innen-2
+  loop_control:
+    label: "Aktueller Durchlauf {{ item }} - {{ loop_index }}"
+    index_var: loop_index
+

08/template-loop.yml

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+---
+- hosts: localhost
+  gather_facts: no
+
+  roles:
+    - template-loop
+

08/uebung_lookup.yml

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+---
+- hosts: localhost
+  gather_facts: no
+
+  tasks:
+    - name: File-Loopup /etc/timezone
+      debug:
+        msg: "/etc/timezone: {{ lookup('file', '/etc/timezone') }}"
+
+    - name: Password-Lookup 1
+      debug:
+        msg: "Passwort: {{ lookup('password', '/tmp/.secret.pw') }}"
+
+    - name: Password-Lookup 2
+      debug:
+        msg: "Passwort: {{ lookup('password', '/tmp/.secret.pw') }}"
+
+    - name: rm /tmp/.secret.pw
+      file:
+        dest: /tmp/.secret.pw
+        state: absent
+
+    - name: Password-Lookup 3
+      debug:
+        msg: "Passwort: {{ lookup('password', '/tmp/.secret.pw') }}"
+
+    - name: Password-Lookup 4
+      debug:
+        msg: "Passwort: {{ lookup('password', '/tmp/.secret.pw') }}"
+
+    - name: dig-Lookup
+      debug:
+        var: "lookup('dig', 'heinlein-akademie.de', 'qtype=MX')"
+
+    - name: dig-Query
+      debug:
+        var: "query('dig', 'heinlein-akademie.de', 'qtype=MX')"
+

helper/08_packages.sh

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+#!/bin/bash
+
+sudo apt install --no-install-recommends --yes \
+	python3-dnspython \
+

roles/template-loop/tasks/main.yml

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+---
+# Template-Dateien:
+# template-loop/templates/etc/abc.conf
+# template-loop/templates/usr/local/share/abc.conf
+# template-loop/templates/var/lib/abc.conf
+
+- name: Template-Loop mit relativen Pfaden
+  debug:
+    msg: "Template-Argumente: src={{ item }} dest=/{{ item }} ..."
+  loop:
+    - etc/abc.conf
+    - usr/local/share/abc.conf
+    - var/lib/abc.conf
+
+- name: Template-Loop mit absoluten Pfaden
+  debug:
+    msg: "Template-Argumente: src={{ item|replace('/', '', count=1) }} dest={{ item }} ..."
+  loop:
+    - /etc/abc.conf
+    - /usr/local/share/abc.conf
+    - /var/lib/abc.conf
+
+- name: Template-Loop mit Mapping
+  debug:
+    msg: "Template-Argumente: src={{ item.key }} dest={{ item.value }} ..."
+  loop: "{{ configfiles|dict2items }}"
+  vars:
+    configfiles:
+      etc.conf:   /etc/abc.conf
+      share.conf: /usr/local/share/abc.conf
+      lib.conf:   /var/lib/abc.conf
+