Import from GitHub

Change-Id: Iae8a9ecd755e62ec97c1a0a0da943fd90131f0af
diff --git a/xos/synchronizer/Dockerfile.synchronizer b/xos/synchronizer/Dockerfile.synchronizer
new file mode 100644
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+++ b/xos/synchronizer/Dockerfile.synchronizer
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+FROM xosproject/xos-synchronizer-base
+
+ADD . /opt/xos/synchronizers/exampleservice
+
+ENTRYPOINT []
+
+WORKDIR "/opt/xos/synchronizers/exampleservice"
+
+CMD bash -c "cd /opt/xos/synchronizers/exampleservice; ./run-from-api.sh"
diff --git a/xos/synchronizer/docker-compose.yml b/xos/synchronizer/docker-compose.yml
new file mode 100644
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+++ b/xos/synchronizer/docker-compose.yml
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+version: '2'
+
+networks:
+  xos:
+    external: true
+
+services:
+  synchronizer:
+    image: xosproject/exampleservice-synchronizer
+    networks:
+      - xos
+    #command: bash -c "cd /opt/xos/synchronizers/exampleservice; ./run-from-api.sh"
+    #command: bash -c "sleep 86400"
+    volumes:
+        - /opt/cord_profile/key_import/exampleservice_rsa:/opt/xos/services/exampleservice/keys/exampleservice_rsa:ro
+        - /opt/cord_profile/node_key:/opt/cord_profile/node_key:ro
+        - /opt/cord/build/platform-install/credentials/xosadmin@opencord.org:/opt/xos/services/exampleservice/credentials/xosadmin@opencord.org
+    external_links: 
+        - rcordbs_xos_redis_1:redis
+    logging:
+      driver: "json-file"
+      options:
+        max-size: "1000k"
+        max-file: "5"
diff --git a/xos/synchronizer/exampleservice-synchronizer.py b/xos/synchronizer/exampleservice-synchronizer.py
new file mode 100644
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+++ b/xos/synchronizer/exampleservice-synchronizer.py
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+#!/usr/bin/env python
+
+# Runs the standard XOS synchronizer
+
+import importlib
+import os
+import sys
+
+synchronizer_path = os.path.join(os.path.dirname(
+    os.path.realpath(__file__)), "../../synchronizers/new_base")
+sys.path.append(synchronizer_path)
+mod = importlib.import_module("xos-synchronizer")
+mod.main()
+
diff --git a/xos/synchronizer/exampleservice_from_api_config b/xos/synchronizer/exampleservice_from_api_config
new file mode 100644
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+++ b/xos/synchronizer/exampleservice_from_api_config
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+# Sets options for the synchronizer
+[observer]
+name=exampleservice
+dependency_graph=/opt/xos/synchronizers/exampleservice/model-deps
+steps_dir=/opt/xos/synchronizers/exampleservice/steps
+sys_dir=/opt/xos/synchronizers/exampleservice/sys
+#logfile=/var/log/xos_backend.log
+log_file=console
+log_level=debug
+pretend=False
+backoff_disabled=True
+save_ansible_output=True
+proxy_ssh=True
+proxy_ssh_key=/opt/cord_profile/node_key
+proxy_ssh_user=root
+enable_watchers=True
+accessor_kind=api
+accessor_password=@/opt/xos/services/exampleservice/credentials/xosadmin@opencord.org
+required_models=ExampleService, ExampleTenant, ServiceDependency, ServiceMonitoringAgentInfo
diff --git a/xos/synchronizer/model-deps b/xos/synchronizer/model-deps
new file mode 100644
index 0000000..0967ef4
--- /dev/null
+++ b/xos/synchronizer/model-deps
@@ -0,0 +1 @@
+{}
diff --git a/xos/synchronizer/run-from-api.sh b/xos/synchronizer/run-from-api.sh
new file mode 100755
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--- /dev/null
+++ b/xos/synchronizer/run-from-api.sh
@@ -0,0 +1,2 @@
+export XOS_DIR=/opt/xos
+python exampleservice-synchronizer.py  -C $XOS_DIR/synchronizers/exampleservice/exampleservice_from_api_config
diff --git a/xos/synchronizer/steps/exampletenant_playbook.yaml b/xos/synchronizer/steps/exampletenant_playbook.yaml
new file mode 100644
index 0000000..89e4617
--- /dev/null
+++ b/xos/synchronizer/steps/exampletenant_playbook.yaml
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+---
+# exampletenant_playbook
+
+- hosts: "{{ instance_name }}"
+  connection: ssh
+  user: ubuntu
+  sudo: yes
+  gather_facts: no
+  vars:
+    - tenant_message: "{{ tenant_message }}"
+    - service_message: "{{ service_message }}"
+
+  roles:
+    - install_apache
+    - create_index
+
diff --git a/xos/synchronizer/steps/monitoring_agent.yaml b/xos/synchronizer/steps/monitoring_agent.yaml
new file mode 100644
index 0000000..87cffde
--- /dev/null
+++ b/xos/synchronizer/steps/monitoring_agent.yaml
@@ -0,0 +1,61 @@
+---
+- hosts: {{ instance_name }}
+  gather_facts: False
+  connection: ssh
+  user: ubuntu
+  vars:
+      keystone_tenant_id: {{ keystone_tenant_id }}
+      keystone_user_id: {{ keystone_user_id }}
+      target_uri: {{ target_uri }}
+
+  tasks:
+  - name: Verify if monitoring_agent ([] is to avoid capturing the shell process) cron job is already running
+    shell: pgrep -f [m]onitoring_agent | wc -l
+    register: cron_job_pids_count
+
+  - name: DEBUG
+    debug: var=cron_job_pids_count.stdout
+
+  - name: make sure /usr/local/share/monitoring_agent exists
+    file: path=/usr/local/share/monitoring_agent state=directory owner=root group=root
+    become: yes
+    when: cron_job_pids_count.stdout == "0"
+
+  - name: Copy cron job to destination
+    copy: src=/opt/xos/synchronizers/exampleservice/monitoring_agent/
+      dest=/usr/local/share/monitoring_agent/
+    become: yes
+    when: cron_job_pids_count.stdout == "0"
+
+  - name: Installing python-pip
+    apt: name=python-pip state=present update_cache=yes
+    become: yes
+    when: cron_job_pids_count.stdout == "0"
+
+  - name: Installing Flask
+    pip: name=Flask
+    become: yes
+    when: cron_job_pids_count.stdout == "0"
+
+  - name: install python-kombu
+    apt: name=python-kombu state=present
+    become: yes
+    when: cron_job_pids_count.stdout == "0"
+
+  - name: Initiate monitoring agent cron job
+    command: python monitoring_agent.py &
+    async: 9999999999999999
+    poll: 0
+    become: yes
+    when: cron_job_pids_count.stdout == "0"
+    args:
+       chdir: /usr/local/share/monitoring_agent/
+
+  - name : starting monitoring agent
+    uri:
+      url: http://localhost:5004/monitoring/agent/exampleservice/start
+      method: POST
+      body: '{ "target":"{{target_uri}}", "keystone_user_id": "{{keystone_user_id}}", "keystone_tenant_id": "{{keystone_tenant_id}}" }'
+      force_basic_auth: yes
+      status_code: 200
+      body_format: json    
diff --git a/xos/synchronizer/steps/roles/create_index/tasks/main.yml b/xos/synchronizer/steps/roles/create_index/tasks/main.yml
new file mode 100644
index 0000000..91c6029
--- /dev/null
+++ b/xos/synchronizer/steps/roles/create_index/tasks/main.yml
@@ -0,0 +1,7 @@
+---
+
+- name: Write index.html file to apache document root
+  template:
+    src=index.html.j2
+    dest=/var/www/html/index.html
+
diff --git a/xos/synchronizer/steps/roles/create_index/templates/index.html.j2 b/xos/synchronizer/steps/roles/create_index/templates/index.html.j2
new file mode 100644
index 0000000..9cec084
--- /dev/null
+++ b/xos/synchronizer/steps/roles/create_index/templates/index.html.j2
@@ -0,0 +1,4 @@
+ExampleService
+ Service Message: "{{ service_message }}"
+ Tenant Message: "{{ tenant_message }}"
+
diff --git a/xos/synchronizer/steps/roles/install_apache/tasks/main.yml b/xos/synchronizer/steps/roles/install_apache/tasks/main.yml
new file mode 100644
index 0000000..d9a155c
--- /dev/null
+++ b/xos/synchronizer/steps/roles/install_apache/tasks/main.yml
@@ -0,0 +1,7 @@
+---
+
+- name: Install apache using apt
+  apt:
+    name=apache2
+    update_cache=yes
+
diff --git a/xos/synchronizer/steps/sync_exampletenant.py b/xos/synchronizer/steps/sync_exampletenant.py
new file mode 100644
index 0000000..47c045f
--- /dev/null
+++ b/xos/synchronizer/steps/sync_exampletenant.py
@@ -0,0 +1,83 @@
+import os
+import sys
+from synchronizers.new_base.SyncInstanceUsingAnsible import SyncInstanceUsingAnsible
+from synchronizers.new_base.modelaccessor import *
+from xos.logger import Logger, logging
+
+parentdir = os.path.join(os.path.dirname(__file__), "..")
+sys.path.insert(0, parentdir)
+
+logger = Logger(level=logging.INFO)
+
+class SyncExampleTenant(SyncInstanceUsingAnsible):
+
+    provides = [ExampleTenant]
+
+    observes = ExampleTenant
+
+    requested_interval = 0
+
+    template_name = "exampletenant_playbook.yaml"
+
+    service_key_name = "/opt/xos/synchronizers/exampleservice/exampleservice_private_key"
+
+    watches = [ModelLink(ServiceDependency,via='servicedependency'), ModelLink(ServiceMonitoringAgentInfo,via='monitoringagentinfo')]
+
+    def __init__(self, *args, **kwargs):
+        super(SyncExampleTenant, self).__init__(*args, **kwargs)
+
+    def get_exampleservice(self, o):
+        if not o.provider_service:
+            return None
+
+        exampleservice = ExampleService.objects.filter(id=o.provider_service.id)
+
+        if not exampleservice:
+            return None
+
+        return exampleservice[0]
+
+    # Gets the attributes that are used by the Ansible template but are not
+    # part of the set of default attributes.
+    def get_extra_attributes(self, o):
+        fields = {}
+        fields['tenant_message'] = o.tenant_message
+        exampleservice = self.get_exampleservice(o)
+        fields['service_message'] = exampleservice.service_message
+        return fields
+
+    def delete_record(self, port):
+        # Nothing needs to be done to delete an exampleservice; it goes away
+        # when the instance holding the exampleservice is deleted.
+        pass
+
+    def handle_service_monitoringagentinfo_watch_notification(self, monitoring_agent_info):
+        if not monitoring_agent_info.service:
+            logger.info("handle watch notifications for service monitoring agent info...ignoring because service attribute in monitoring agent info:%s is null" % (monitoring_agent_info))
+            return
+
+        if not monitoring_agent_info.target_uri:
+            logger.info("handle watch notifications for service monitoring agent info...ignoring because target_uri attribute in monitoring agent info:%s is null" % (monitoring_agent_info))
+            return
+
+        objs = ExampleTenant.objects.all()
+        for obj in objs:
+            if obj.provider_service.id != monitoring_agent_info.service.id:
+                logger.info("handle watch notifications for service monitoring agent info...ignoring because service attribute in monitoring agent info:%s is not matching" % (monitoring_agent_info))
+                return
+
+            instance = self.get_instance(obj)
+            if not instance:
+               logger.warn("handle watch notifications for service monitoring agent info...: No valid instance found for object %s" % (str(obj)))
+               return
+
+            logger.info("handling watch notification for monitoring agent info:%s for ExampleTenant object:%s" % (monitoring_agent_info, obj))
+
+            #Run ansible playbook to update the routing table entries in the instance
+            fields = self.get_ansible_fields(instance)
+            fields["ansible_tag"] =  obj.__class__.__name__ + "_" + str(obj.id) + "_monitoring"
+            fields["target_uri"] = monitoring_agent_info.target_uri
+
+            template_name = "monitoring_agent.yaml"
+            super(SyncExampleTenant, self).run_playbook(obj, fields, template_name)
+        pass