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https://github.com/outbackdingo/sysadm.git
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Update Sysadm Reference Guide:
- Fix errors with the responses for the dispatcher event system. - Added notes explaining the various system states and their effect on the report. - Renamed connections.rst to getstarted.rst to reflect the current handbook organization.
This commit is contained in:
@@ -1,6 +1,7 @@
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=========
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.. _classes:
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Classes
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=========
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=======
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.. toctree::
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:glob:
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@@ -27,6 +27,10 @@ import sys, os
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# coming with Sphinx (named 'sphinx.ext.*') or your custom ones.
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extensions = ['sphinxcontrib.httpdomain']
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# -- Options for automatic Figure numbering
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numfig = True
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numfig_secnum_depth = (2)
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# Add any paths that contain templates here, relative to this directory.
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templates_path = ['_templates']
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@@ -10,28 +10,32 @@ updates about system status and other types of system notifications.
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which was not designed for asynchronous events. For this
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reason, only Websocket examples are used in this section.
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Every events request contains several parameters:
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Every events request contains several parameters, seen here in
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:numref:`Table %s <eventpar>`.
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+---------------+-----------+--------------------------------------+
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| **Parameter** | **Value** | **Description** |
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| | | |
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+===============+===========+======================================+
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| id | | Any unique value for the request, |
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| | | including a hash, checksum, or uuid. |
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+---------------+-----------+--------------------------------------+
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| name | | Supported values are "subscribe" or |
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| | | "unsubscribe". |
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+---------------+-----------+--------------------------------------+
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| namespace | events | |
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| | | |
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+---------------+-----------+--------------------------------------+
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| args | | Values vary by type of class. |
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| | | |
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+---------------+-----------+--------------------------------------+
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.. _eventpar:
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.. table:: Event Request Parameters
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+---------------+-----------+--------------------------------------+
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| **Parameter** | **Value** | **Description** |
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| | | |
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+===============+===========+======================================+
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| id | | Any unique value for the request, |
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| | | including a hash, checksum, or uuid. |
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+---------------+-----------+--------------------------------------+
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| name | | Supported values are "subscribe" or |
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| | | "unsubscribe". |
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+---------------+-----------+--------------------------------------+
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| namespace | events | |
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| | | |
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+---------------+-----------+--------------------------------------+
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| args | | Values vary by type of class. |
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| | | |
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+---------------+-----------+--------------------------------------+
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Subsystems can also be tracked using the events namespace. Currently,
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there are three trackable subsystems: Dispatcher, Life Preserver, and
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System State. Use the template to subscribe to various subsystem event
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System State. Use this template to subscribe to various subsystem event
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notifications:
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**Websocket Request**
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@@ -46,8 +50,8 @@ notifications:
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}
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Once subscribed, events will be received as they are produced. To
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unsubscribe from events, repeat the request, using "unsubscribe" for the
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"name".
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unsubscribe from events, repeat the request, using
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:command:`"unsubscribe"` for the :command:`"name"`.
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Here is an example reply from the Life Preserver subsystem:
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@@ -69,11 +73,11 @@ Here is an example reply from the Life Preserver subsystem:
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Dispatcher
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----------
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The Dispatcher subsystem is used by SysAdm™ to process external commands
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and return specific information from the utility. This is managed on the
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server as a separate process, and will not interrupt primary server
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tasks. To subscribe to the Dispatcher subsystem for event updates, use
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the following:
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The Dispatcher subsystem is used by |sysadm| to process external
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commands and return specific information from the utility. This is
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managed on the server as a separate process, and will not interrupt
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primary server tasks. Subscribe to the Dispatcher subsystem for event
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updates with this request:
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**Websocket Request**
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@@ -86,12 +90,16 @@ the following:
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"args" : ["dispatcher"]
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}
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The Dispatcher event log will display three different states: "pending",
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"running", and "finished". Depending upon the current state, the log can
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The Dispatcher event log will display three different states: *pending*,
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*running*, and *finished*. Depending upon the current state, the log can
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change in some minor but noteworthy ways. The following sample logs will
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reflect the differences between these states:
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**Dispatcher Response: "Pending" state**
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.. note:: The variable **event_system** will only appear when one of
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the three available systems initiates the request and response.
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Additional elements tied to these systems will also appear.
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**Dispatcher Response: Pending**
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.. code-block:: json
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@@ -101,12 +109,11 @@ reflect the differences between these states:
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"id" : "none",
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"args" : {
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"state" : "pending",
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"cmd_list" : ["<command 1>", "<command 2>"],
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"process_id" : "<random>"
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}
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}
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**Dispatcher Response: "Running" state**
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**Dispatcher Response: Running**
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.. code-block:: json
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@@ -115,18 +122,22 @@ reflect the differences between these states:
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"name" : "dispatcher",
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"id" : "none",
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"args" : {
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"event_system" : "<sysadm with /pkg, /update, or /iohyve]>",
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"state" : "running",
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"cmd_list" : ["<command 1>", "<command 2>"],
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"process_id" : "<random>",
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"time_started" : "<ISO 8601 time date string>",
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"current_cmd" : "<command 2>",
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"<command1>" : "<log after running command1>",
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"<command2>" : "<log for command2>",
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"return_codes/<command1>" : "<integer return code>"
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"process_details" : {
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"state" : "running",
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"process_id" : "<random id>",
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"time_started" : "<ISO 8601 time date string>",
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"cmd_list" : ["<command 1>", "<command 2>"],
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"<command1>" : "<log after running command1>",
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"return_codes/<command1>" : "<integer return code>",
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"current_cmd" : "<command 2>",
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}
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}
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}
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**Dispatcher Response: "Finished" state**
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**Dispatcher Response: Finished**
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.. code-block:: json
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@@ -135,12 +146,20 @@ reflect the differences between these states:
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"name" : "dispatcher",
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"id" : "none",
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"args" : {
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"event_system" : "<sysadm with /pkg, /update, or /iohyve]>",
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"state" : "finished",
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"time_finished" : "<ISO 8601 time date string>",
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"cmd_list" : ["<command 1>", "<command 2>"],
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"return_codes/<command 1>" : "<code 1>",
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"return_codes/<command 2>" : "<code 2>",
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"process_id" : "<random>"
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"process_id" : "<random>",
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"process_details" : {
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"state" : "finished",
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"process_id" : "<random id>",
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"time_started" : "<ISO 8601 time date string>",
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"time_finished" : "<ISO 8601 time date string>",
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"cmd_list" : ["<command 1>", "<command 2>"],
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"<command1>" : "<log after running command1>",
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"<command2>" : "<log after running command2>",
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"return_codes/<command1>" : "<integer return code>",
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"return_codes/<command2>" : "<integer return code>"
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}
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}
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}
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@@ -166,13 +185,12 @@ generalized sample:
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}
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For specific details on these special types of events please refer to
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the Classes section of this User Guide.
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the :ref:`classes` section of this guide.
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Life Preserver
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--------------
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To subscribe to the Life Preserver subsystem for event updates, use the
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following:
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Subscribe to the Life Preserver subsystem for event updates with this:
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**Websocket Request**
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@@ -203,8 +221,7 @@ following:
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System State
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------------
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To subscribe to the System State subsystem for event updates, use the
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following:
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Subscribe to the System State subsystem for event updates with this:
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**Websocket Request**
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@@ -220,7 +237,7 @@ following:
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**Websocket Event Message**
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This message will appear if the host name has changed and a priority
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error has occurred.
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error has occurred:
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.. code-block:: json
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@@ -5,7 +5,7 @@ SysAdm™ API Reference Guide
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:numbered:
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:maxdepth: 4
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connection
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getstarted
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events
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classes/index
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