Ansible cleanup (#152)

* Update keys.yml
* simplifying ansible

roles/common/defaults/main.yml

@@ -1,6 +1,6 @@
 ---
 zcash_swapfile_size: 1G
-zcash_vm_swappiness: 1
+zcash_vm_swappiness: 0
 zcash_common_packages:
   - apt-show-versions
   - apt-transport-https

roles/common/tasks/main.yml

@@ -2,9 +2,5 @@
 - include_tasks: repartition.yml
 - include_tasks: update_everything.yml
 - include_tasks: packages.yml
-- include_tasks: make_swap.yml
 - include_tasks: add_github_ssh_hostkey.yml
 - include_tasks: hostname.yml
-- include_tasks: motd.yml
-- include_tasks: vim.yml
-- include_tasks: auto_upgrades.yml

roles/gitian/tasks/keys.yml

@@ -8,11 +8,13 @@
     group: "{{ gitian_user }}"
     mode: "0644"
   with_items: "{{ zcash_developer_pubkeys }}"
-
+  ignore_errors: true
+  
 - name: Import Zcash developer public keys.
   command: "gpg --import /tmp/{{ item.id }}.asc"
   become_user: "{{ gitian_user }}"
   with_items: "{{ zcash_developer_pubkeys }}"
+  ignore_errors: true
 
 - name: Set Zcash developer public keys to ultimately trusted.
   shell: >
@@ -23,3 +25,4 @@
   become_user: "{{ gitian_user }}"
   args:
     executable: /bin/bash
+  ignore_errors: true

roles/gitian/tasks/main.yml

@@ -72,8 +72,8 @@
 - name: Add cgroup fs for LXC.
   lineinfile:
     dest: /etc/fstab
-    regexp: '^cgroup'
-    line: 'cgroup  /sys/fs/cgroup  cgroup  defaults  0   0'
+    regexp: "^cgroup"
+    line: "cgroup  /sys/fs/cgroup  cgroup  defaults  0   0"
     state: present
 
 - name: Install profile with environment variables.
@@ -108,9 +108,6 @@
     force: yes
   become_user: "{{ gitian_user }}"
 
-- include_tasks: keys.yml
-  tags: keys
-
 - name: Clone git repository for Zcash.
   git:
     repo: "{{ zcash_git_repo_url }}"
@@ -128,7 +125,7 @@
   become_user: "{{ gitian_user }}"
 
 - name: Set Git username.
-  command: "git config --global user.name \"{{ git_name }}\""
+  command: 'git config --global user.name "{{ git_name }}"'
   become_user: "{{ gitian_user }}"
 
 - name: Set Git email address.