playbooks: updated hosts with target variable

the playbooks shall only run on the hosts provided by the variable
target.
NOTE: the default target is set within the job templates

Signed-off-by: Marc Mattmüller <marc.mattmueller@netmodule.com>

playbooks/getting_started/basic-pkg-installation.yml

@@ -1,5 +1,5 @@
 - name: Setup Basic Debian Host Machine
-  hosts: linux
+  hosts: "{{ target }}"
   become: yes
   tasks:
     - name: Update Apt Cache and Upgrade all Packages

playbooks/getting_started/build-jenkins-docker-image.yml

@@ -1,5 +1,5 @@
 - name: Build Jenkins Docker Image
-  hosts: linux
+  hosts: "{{ target }}"
   gather_facts: false
   vars:
     root_path: "~/nwl-ci"

playbooks/getting_started/clone-repository.yml

@@ -1,5 +1,5 @@
 - name: Clone a Git Repository
-  hosts: linux
+  hosts: "{{ target }}"
   gather_facts: false
   vars:
     git_repo_path: "~/nwl-ci"

playbooks/getting_started/configure-docker-net.yml

@@ -1,5 +1,5 @@
 - name: Configure Docker Network Adapter
-  hosts: linux
+  hosts: "{{ target }}"
   gather_facts: false
   become: yes
   tasks:

playbooks/getting_started/create-ssh-key.yml

@@ -1,5 +1,5 @@
 - name: Create SSH Keypair
-  hosts: linux
+  hosts: "{{ target }}"
   gather_facts: false
   vars:
     ssh_passphrase: !vault |

playbooks/getting_started/os-rls.yml

@@ -1,5 +1,5 @@
 - name: The First Playbook
-  hosts: linux
+  hosts: "{{ target }}"
   tags:
     - rls
   gather_facts: False

playbooks/getting_started/setup-nwl-jenkins-seedjob-git-url.yml

@@ -1,5 +1,5 @@
 - name: Setup NWL Git URL For Jenkins Seed Job
-  hosts: linux
+  hosts: "{{ target }}"
   gather_facts: false
   vars:
     root_path: "~/nwl-ci"

playbooks/getting_started/setup-nwl-jenkins.yaml

@@ -1,5 +1,5 @@
 - name: Setup Jenkins Instance
-  hosts: linux
+  hosts: "{{ target }}"
   gather_facts: false
   vars:
     root_path: "~/nwl-ci"

playbooks/getting_started/start-stop-nwl-jenkins.yml

@@ -1,5 +1,5 @@
 - name: Start or Stop NWL Jenkins Instance
-  hosts: linux
+  hosts: "{{ target }}"
   gather_facts: false
   vars:
     root_path: "~/nwl-ci"