Support Centos7

1. install the yum packages
2. add the ifcfg scripts to adapt Centos7
3. change MaxSession to 100
4. if setup-host failed, retry to run the failed container

Change-Id: I57589d38f6af1677cb889875c85d6b8bac5c80d0
Signed-off-by: wutianwei <wutianwei1@huawei.com>

1 files changed, 76 insertions, 0 deletions

diff --git a/deploy/adapters/ansible/roles/pre-prepare/tasks/Ubuntu.yml b/deploy/adapters/ansible/roles/pre-prepare/tasks/Ubuntu.yml
new file mode 100644
index 00000000..a0f7d015
--- /dev/null
+++ b/deploy/adapters/ansible/roles/pre-prepare/tasks/Ubuntu.yml
@@ -0,0 +1,76 @@
+##############################################################################
+# Copyright (c) 2016 HUAWEI TECHNOLOGIES CO.,LTD and others.
+#
+# All rights reserved. This program and the accompanying materials
+# are made available under the terms of the Apache License, Version 2.0
+# which accompanies this distribution, and is available at
+# http://www.apache.org/licenses/LICENSE-2.0
+##############################################################################
+---
+- name: make sure ssh dir exist
+  file:
+    path: '{{ item.path }}'
+    owner: '{{ item.owner }}'
+    group: '{{ item.group }}'
+    state: directory
+    mode: 0755
+  with_items:
+    - path: /root/.ssh
+      owner: root
+      group: root
+
+- name: write ssh config
+  copy:
+    content: "UserKnownHostsFile /dev/null\nStrictHostKeyChecking no"
+    dest: '{{ item.dest }}'
+    owner: '{{ item.owner }}'
+    group: '{{ item.group }}'
+    mode: 0600
+  with_items:
+    - dest: /root/.ssh/config
+      owner: root
+      group: root
+
+- name: generate ssh keys
+  shell: if [ ! -f ~/.ssh/id_rsa.pub ]; \
+         then ssh-keygen -q -t rsa -f ~/.ssh/id_rsa -N ""; \
+         else echo "already gen ssh key!"; fi;
+
+- name: fetch ssh keys
+  fetch:
+    src: /root/.ssh/id_rsa.pub
+    dest: /tmp/ssh-keys-{{ ansible_hostname }}
+    flat: "yes"
+
+- authorized_key:
+    user: root
+    key: "{{ lookup('file', item) }}"
+  with_fileglob:
+    - /tmp/ssh-keys-*
+    - /root/.ssh/id_rsa.pub
+
+- name: change sourcesi(apt) list
+  template:
+    src: sources.list
+    dest: /etc/apt/sources.list
+
+- name: rm apt.conf
+  file:
+    path: /etc/apt/apt.conf
+    state: absent
+
+- name: restart ntp service
+  shell: "service ntp restart"
+
+- name: add the appropriate kernel modules
+  copy:
+    src: modules
+    dest: /etc/modules
+
+- name: change the MaxSessions
+  lineinfile:
+    dest: /etc/ssh/sshd_config
+    line: "MaxSessions 500"
+
+- name: restart ssh service
+  shell: service ssh  restart