Add new rsyslog server role

This commit adds the rsyslog_server role which will provide a system
which all logs will be agregeated. This change is part 2 of 3 to update
all of the logging bits within the stack such that they're made more
generic and community consumable.

Roles added:
* rsyslog_server

Plays added:
* rsyslog-install.yml

Plays modified:
* setup-infrastructure.yml

DocImpact
Implements: blueprint rsyslog-update

Change-Id: I7627e362a7ee3b560dc02a1beda2034998216451

playbooks/inventory/group_vars/all.yml

@@ -25,6 +25,11 @@ repo_server_port: 8181
 repo_pip_default_index: "http://rpc-repo.rackspace.com/pools"
 
 
+## Rsyslog server
+rsyslog_server_spool_directory: /var/spool/rsyslog
+rsyslog_server_storage_directory: /var/log/log-storage
+
+
 ## OpenStack Source Code Release
 openstack_release: master
 # URL for the frozen internal openstack repo.

playbooks/roles/rsyslog_server/CONTRIBUTING.rst

@@ -0,0 +1,85 @@
+OpenStack rsyslog server
+########################
+:tags: openstack, rsyslog, server, cloud, ansible
+:category: \*nix
+
+contributor guidelines
+^^^^^^^^^^^^^^^^^^^^^^
+
+Filing Bugs
+-----------
+
+Bugs should be filed on Launchpad, not GitHub: "https://bugs.launchpad.net/openstack-ansible"
+
+
+When submitting a bug, or working on a bug, please ensure the following criteria are met:
+    * The description clearly states or describes the original problem or root cause of the problem.
+    * Include historical information on how the problem was identified.
+    * Any relevant logs are included.
+    * The provided information should be totally self-contained. External access to web services/sites should not be needed.
+    * Steps to reproduce the problem if possible.
+
+
+Submitting Code
+---------------
+
+Changes to the project should be submitted for review via the Gerrit tool, following
+the workflow documented at: "http://docs.openstack.org/infra/manual/developers.html#development-workflow"
+
+Pull requests submitted through GitHub will be ignored and closed without regard.
+
+
+Extra
+-----
+
+Tags:
+    If it's a bug that needs fixing in a branch in addition to Master, add a '\<release\>-backport-potential' tag (eg ``juno-backport-potential``).  There are predefined tags that will autocomplete.
+
+Status:
+    Please leave this alone, it should be New till someone triages the issue.
+
+Importance:
+    Should only be touched if it is a Blocker/Gating issue. If it is, please set to High, and only use Critical if you have found a bug that can take down whole infrastructures.
+
+
+Style guide
+-----------
+
+When creating tasks and other roles for use in Ansible please create then using the YAML dictionary format.
+
+Example YAML dictionary format:
+    .. code-block:: yaml
+
+        - name: The name of the tasks
+          module_name:
+            thing1: "some-stuff"
+            thing2: "some-other-stuff"
+          tags:
+            - some-tag
+            - some-other-tag
+
+
+Example **NOT** in YAML dictionary format:
+    .. code-block:: yaml
+
+        - name: The name of the tasks
+          module_name: thing1="some-stuff" thing2="some-other-stuff"
+          tags:
+            - some-tag
+            - some-other-tag
+
+
+Usage of the ">" and "|" operators should be limited to Ansible conditionals and command modules such as the ansible ``shell`` module.
+
+
+Issues
+------
+
+When submitting an issue, or working on an issue please ensure the following criteria are met:
+    * The description clearly states or describes the original problem or root cause of the problem.
+    * Include historical information on how the problem was identified.
+    * Any relevant logs are included.
+    * If the issue is a bug that needs fixing in a branch other than Master, add the ‘backport potential’ tag TO THE ISSUE (not the PR).
+    * The provided information should be totally self-contained. External access to web services/sites should not be needed.
+    * If the issue is needed for a hotfix release, add the 'expedite' label.
+    * Steps to reproduce the problem if possible.

playbooks/roles/rsyslog_server/LICENSE

@@ -0,0 +1,202 @@
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playbooks/roles/rsyslog_server/README.rst

@@ -0,0 +1,15 @@
+OpenStack rsyslog server
+########################
+:tags: openstack, rsyslog, server, cloud, ansible
+:category: \*nix
+
+Role to deploy rsyslog for use within OpenStack when deploying services using containers.
+
+.. code-block:: yaml
+
+    - name: Install rsyslog
+      hosts: rsyslog
+      max_fail_percentage: 20
+      user: root
+      roles:
+        - { role: "rsyslog_server", tags: [ "rsyslog-server" ] }

playbooks/roles/rsyslog_server/defaults/main.yml

@@ -0,0 +1,31 @@
+---
+# Copyright 2014, Rackspace US, Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+rsyslog_server_apt_repos:
+  - { repo: "ppa:adiscon/v8-stable", state: "present" }
+
+rsyslog_server_apt_packages:
+  - rsyslog
+
+rsyslog_server_spool_directory: /var/spool/rsyslog
+rsyslog_server_storage_directory: /var/log/rsyslog
+
+# provides UDP syslog reception
+rsyslog_server_udp_reception: true
+rsyslog_server_udp_port: 514
+
+# provides TCP syslog reception
+rsyslog_server_tcp_reception: true
+rsyslog_server_tcp_port: 514

playbooks/roles/rsyslog_server/files/50-default.conf

@@ -0,0 +1,16 @@
+auth,authpriv.*  /var/log/auth.log
+*.*;auth,authpriv.none  -/var/log/syslog
+cron.*  /var/log/cron.log
+daemon.*  -/var/log/daemon.log
+kern.*  -/var/log/kern.log
+lpr.*  -/var/log/lpr.log
+mail.*  -/var/log/mail.log
+user.*  -/var/log/user.log
+
+mail.err  /var/log/mail.err
+
+news.crit  /var/log/news/news.crit
+news.err  /var/log/news/news.err
+news.notice  -/var/log/news/news.notice
+
+*.emerg    :omusrmsg:*

playbooks/roles/rsyslog_server/meta/main.yml

@@ -0,0 +1,31 @@
+---
+# Copyright 2014, Rackspace US, Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+galaxy_info:
+  author: rcbops
+  description: Rsyslog server install
+  company: Rackspace
+  license: Apache2
+  min_ansible_version: 1.6.6
+  platforms:
+    - name: Ubuntu
+      versions:
+        - trusty
+  categories:
+    - cloud
+    - rsyslog
+    - development
+    - openstack
+dependencies: []

playbooks/roles/rsyslog_server/tasks/main.yml

@@ -0,0 +1,18 @@
+---
+# Copyright 2014, Rackspace US, Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+- include: rsyslog_server_pre_install.yml
+- include: rsyslog_server_install.yml
+- include: rsyslog_server_post_install.yml

playbooks/roles/rsyslog_server/tasks/rsyslog_server_install.yml

@@ -0,0 +1,40 @@
+---
+# Copyright 2014, Rackspace US, Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+- name: Rsyslog apt repository
+  apt_repository:
+    repo: "{{ item.repo }}"
+    state: "{{ item.state }}"
+  with_items: rsyslog_server_apt_repos
+  register: add_repos
+  until: add_repos|success
+  retries: 5
+  delay: 2
+  tags:
+    - rsyslog-apt-repositories
+
+- name: Install rsyslog packages
+  apt:
+    pkg: "{{ item }}"
+    state: latest
+    update_cache: yes
+    cache_valid_time: 600
+  register: install_packages
+  until: install_packages|success
+  retries: 5
+  delay: 2
+  with_items: rsyslog_server_apt_packages
+  tags:
+    - rsyslog-apt-packages

playbooks/roles/rsyslog_server/tasks/rsyslog_server_post_install.yml

@@ -0,0 +1,52 @@
+---
+# Copyright 2014, Rackspace US, Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+- name: Stop rsyslog
+  service:
+    name: "rsyslog"
+    state: "stopped"
+  failed_when: false
+  tags:
+    - rsyslog-config
+
+- name: Rsyslog basic setup
+  template:
+    src: "{{ item.src }}"
+    dest: "{{ item.dest }}"
+    owner: "root"
+    group: "root"
+  with_items:
+    - { src: "rsyslog.conf.j2", dest: "/etc/rsyslog.conf" }
+    - { src: "os_aggregate_storage.j2", dest: "/etc/logrotate.d/os_aggregate_storage" }
+  tags:
+    - rsyslog-config
+
+- name: Rsyslog defaults setup
+  copy:
+    src: "{{ item.src }}"
+    dest: "{{ item.dest }}"
+    owner: "root"
+    group: "root"
+  with_items:
+    - { src: "50-default.conf", dest: "/etc/rsyslog.d/50-default.conf" }
+  tags:
+    - rsyslog-config
+
+- name: Start rsyslog
+  service:
+    name: "rsyslog"
+    state: "started"
+  tags:
+    - rsyslog-config

playbooks/roles/rsyslog_server/tasks/rsyslog_server_pre_install.yml

@@ -0,0 +1,26 @@
+---
+# Copyright 2014, Rackspace US, Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+- name: Ensure ownership on working directories are correct
+  file:
+    path: "{{ item }}"
+    state: "directory"
+    owner: "syslog"
+    group: "adm"
+  with_items:
+    - "{{ rsyslog_server_storage_directory }}"
+    - "{{ rsyslog_server_spool_directory }}"
+  tags:
+    - rsyslog-server-dirs

playbooks/roles/rsyslog_server/templates/os_aggregate_storage.j2

@@ -0,0 +1,12 @@
+{{ rsyslog_server_storage_directory }}/**/*.log
+{
+        copytruncate
+        weekly
+        missingok
+        rotate 14
+        compress
+        dateext
+        maxage 60
+        notifempty
+        nocreate
+}

playbooks/roles/rsyslog_server/templates/rsyslog.conf.j2

@@ -0,0 +1,61 @@
+# {{ ansible_managed }}
+
+#################
+#### MODULES ####
+#################
+$ModLoad imuxsock # provides support for local system logging
+$ModLoad imklog   # provides kernel logging support
+
+{% if rsyslog_server_udp_reception == true %}
+# provides UDP syslog reception
+$ModLoad imudp
+$UDPServerRun {{ rsyslog_server_udp_port }}
+{% endif %}
+
+{% if rsyslog_server_tcp_reception == true %}
+# provides TCP syslog reception
+$ModLoad imtcp
+$InputTCPServerRun {{ rsyslog_server_tcp_port }}
+{% endif %}
+
+# Enable non-kernel facility klog messages
+$KLogPermitNonKernelFacility on
+
+
+###########################
+#### GLOBAL DIRECTIVES ####
+###########################
+#
+# Use traditional timestamp format.
+# To enable high precision timestamps, comment out the following line.
+#
+$ActionFileDefaultTemplate RSYSLOG_TraditionalFileFormat
+
+# Filter duplicated messages
+$RepeatedMsgReduction on
+
+#
+# Set the default permissions for all log files.
+#
+$FileOwner syslog
+$FileGroup adm
+$FileCreateMode 0640
+$DirCreateMode 0755
+$Umask 0022
+$PrivDropToUser syslog
+$PrivDropToGroup syslog
+
+#
+# Where to place spool and state files
+#
+$WorkDirectory {{ rsyslog_server_spool_directory }}
+
+#
+# Include all config files in /etc/rsyslog.d/
+#
+$IncludeConfig /etc/rsyslog.d/*.conf
+
+$template DDF, "{{ rsyslog_server_storage_directory }}/%hostname%/%programname%.log"
+if \
+$source != 'logsrv' \
+then -?DDF

playbooks/rsyslog-install.yml

@@ -0,0 +1,49 @@
+---
+# Copyright 2014, Rackspace US, Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+- name: Install rsyslog
+  hosts: rsyslog
+  max_fail_percentage: 20
+  user: root
+  pre_tasks:
+    - name: Ensure log stroage directory exists
+      file:
+        path: "/openstack/{{ container_name }}/log-storage"
+        state: "directory"
+      delegate_to: "{{ physical_host }}"
+      when: is_metal == false or is_metal == "False"
+      tags:
+        - rsyslog-storage-dirs
+    - name: Rsyslog server extra lxc config
+      lxc-container:
+        name: "{{ container_name }}"
+        container_command: |
+          [[ ! -d "{{ storage_directory }}" ]] && mkdir -p "{{ storage_directory }}"
+        container_config:
+          - "lxc.mount.entry=/openstack/{{ container_name }}/log-storage {{ storage_directory.lstrip('/') }} none bind 0 0"
+      delegate_to: "{{ physical_host }}"
+      when: is_metal == false or is_metal == "False"
+      tags:
+        - rsyslog-storage-dirs
+    - name: Flush net cache
+      command: /usr/local/bin/lxc-system-manage flush-net-cache
+      delegate_to: "{{ physical_host }}"
+      tags:
+        - flush-net-cache
+  roles:
+    - { role: "rsyslog_server", tags: [ "rsyslog-server" ] }
+  vars:
+    storage_directory: "{{ rsyslog_server_storage_directory }}"
+    is_metal: "{{ properties.is_metal|default(false) }}"

playbooks/setup-infrastructure.yml

@@ -18,3 +18,4 @@
 - include: galera-install.yml
 - include: rabbitmq-install.yml
 - include: utility-install.yml
+- include: rsyslog-install.yml