diff options
Diffstat (limited to 'docs/sections/services/heartbeat-ms/design.rst')
| -rw-r--r-- | docs/sections/services/heartbeat-ms/design.rst | 30 |
1 files changed, 15 insertions, 15 deletions
diff --git a/docs/sections/services/heartbeat-ms/design.rst b/docs/sections/services/heartbeat-ms/design.rst index 837b8fc2..5618c53c 100644 --- a/docs/sections/services/heartbeat-ms/design.rst +++ b/docs/sections/services/heartbeat-ms/design.rst @@ -8,7 +8,7 @@ There are 4 processes created as below Main process
------------
-
+
This is the initial process which does the following.
- Download CBS configuration and update the vnf_table_1
@@ -56,7 +56,7 @@ CBS polling process -------------------
If the local configuration file (config/hbproperties.yaml) indicates
-that CBS polling is required, then main process would create the CBS
+that CBS polling is required, then main process would create the CBS
polling process. It does the following.
- It takes the CBS polling interval from the configuration file.
@@ -85,12 +85,12 @@ services instances, processes would work differently as mentioned below. - Download CBS configuration and process it
- Spawns processes
- Periodically update hb_common with last accessed time to indicate that active instance is Alive.
-
+
Inactive Instance:
- Spawns processes
- Constantly check hb_common entry for last accessed time
- - If the last accessed time is more than a minute or so, then it assumes the role of active instance
-
+ - If the last accessed time is more than a minute or so, then it assumes the role of active instance
+
**HB worker process:** Both active and inactive instance behaves the sames as metnioned in the Design section.
**DB Monitoring process:** Both active periodically checks its process ID/hostname with hb_common data to know whether it is an active instance or not. If inactive instance it does nothing. If active instance, it behaves as mentioned in design section.
@@ -100,7 +100,7 @@ services instances, processes would work differently as mentioned below. Handling of some of the failure scenarios
-----------------------------------------
-Failure to download the configuration from CBS – In this case, local
+Failure to download the configuration from CBS - In this case, local
configuration file etc/config.json is considered as the configuration
file and vnf_table_1 is updated accordingly.
@@ -119,7 +119,7 @@ Postgres Database There are 3 tables maintained.
-**Vnf_table_1 table:**
+**Vnf_table_1 table:**
This is table is indexed by eventName. Each entry
has following parameters in it.
@@ -137,8 +137,8 @@ has following parameters in it. - closedLoopControlName
- version
-**Vnf_table_2 table:**
-For each sourceName there would be an entry in vnf_table_2.
+**Vnf_table_2 table:**
+For each sourceName there would be an entry in vnf_table_2.
This is indexed by eventName and SourceName. Each entry has
below parameters
@@ -147,18 +147,18 @@ below parameters - Control loop event raised flag. 0 indicates not raised, 1 indicates
CL event raised
-**hb_common table:**
+**hb_common table:**
This is a single entry table.
- The configuration status which would have one of the below.
- - **RECONFIGURATION** – indicates CBS configuration processing is in
+ - **RECONFIGURATION** - indicates CBS configuration processing is in
progress.
- - **RUNNING** – CBS configuration is completed and ready to process HB
+ - **RUNNING** - CBS configuration is completed and ready to process HB
event and send CL event.
-- The process ID – This indicates the main process ID of the active HB
+- The process ID - This indicates the main process ID of the active HB
instance which is responsible to take care of reconfiguration
-- The source Name – It has 2 parts, hostname and service name. The
+- The source Name - It has 2 parts, hostname and service name. The
hostname is the Docker container ID. The service name is the
environment variable set for SERVICE_NAME
-- The last accessed time – The time last accessed by the main process
+- The last accessed time - The time last accessed by the main process
having the above process ID.
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