Docs for PDP-PAP interaction

Change-Id: I10bd0a7c3df39d7f2fa6d13eaa947f172c98f578
Issue-ID: POLICY-3264
Signed-off-by: a.sreekumar <ajith.sreekumar@bell.ca>

1 files changed, 43 insertions, 0 deletions

diff --git a/docs/development/pdp/images/PDP_PAP.svg b/docs/development/pdp/images/PDP_PAP.svg
new file mode 100644
index 00000000..3594c762
--- /dev/null
+++ b/docs/development/pdp/images/PDP_PAP.svg
@@ -0,0 +1,43 @@
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style="stroke:#A80036;stroke-width:1.5;" width="41" x="5" y="464.7109"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacing" textLength="27" x="12" y="484.7061">K8S</text><rect fill="#FEFECE" filter="url(#fd44imp969z1w)" height="30.2969" style="stroke:#A80036;stroke-width:1.5;" width="43" x="102" y="87.9531"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacing" textLength="29" x="109" y="107.9482">PDP</text><rect fill="#FEFECE" filter="url(#fd44imp969z1w)" height="30.2969" style="stroke:#A80036;stroke-width:1.5;" width="43" x="102" y="464.7109"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacing" textLength="29" x="109" y="484.7061">PDP</text><rect fill="#FEFECE" filter="url(#fd44imp969z1w)" height="30.2969" style="stroke:#A80036;stroke-width:1.5;" width="62" x="159" y="87.9531"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacing" textLength="48" x="166" y="107.9482">DMaaP</text><rect fill="#FEFECE" filter="url(#fd44imp969z1w)" height="30.2969" style="stroke:#A80036;stroke-width:1.5;" width="62" x="159" y="464.7109"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacing" textLength="48" x="166" y="484.7061">DMaaP</text><rect fill="#FEFECE" filter="url(#fd44imp969z1w)" height="30.2969" style="stroke:#A80036;stroke-width:1.5;" width="42" x="920.5" y="87.9531"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacing" textLength="28" x="927.5" y="107.9482">PAP</text><rect fill="#FEFECE" filter="url(#fd44imp969z1w)" height="30.2969" style="stroke:#A80036;stroke-width:1.5;" width="42" x="920.5" y="464.7109"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacing" textLength="28" x="927.5" y="484.7061">PAP</text><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacing" textLength="31" x="1112" y="119.9482">User</text><ellipse 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style="stroke:#A80036;stroke-width:1.0;stroke-dasharray:2.0,2.0;" x1="27.5" x2="119.5" y1="154.3828" y2="154.3828"/><text fill="#000000" font-family="sans-serif" font-size="13" font-weight="bold" lengthAdjust="spacing" textLength="9" x="34.5" y="149.3169">1</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="61" x="47.5" y="149.3169">Start PDP</text><polygon fill="#A80036" points="931.5,179.5156,941.5,183.5156,931.5,187.5156,935.5,183.5156" style="stroke:#A80036;stroke-width:1.0;"/><line style="stroke:#A80036;stroke-width:1.0;stroke-dasharray:2.0,2.0;" x1="125.5" x2="937.5" y1="183.5156" y2="183.5156"/><text fill="#000000" font-family="sans-serif" font-size="13" font-weight="bold" lengthAdjust="spacing" textLength="9" x="132.5" y="178.4497">2</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="697" x="145.5" y="178.4497">Send PDP_STATUS (registration message) with state as PASSIVE and other info like PDP's Group/Type/Name.</text><polygon fill="#A80036" points="136.5,208.6484,126.5,212.6484,136.5,216.6484,132.5,212.6484" style="stroke:#A80036;stroke-width:1.0;"/><line style="stroke:#A80036;stroke-width:1.0;stroke-dasharray:2.0,2.0;" x1="130.5" x2="942.5" y1="212.6484" y2="212.6484"/><text fill="#000000" font-family="sans-serif" font-size="13" font-weight="bold" lengthAdjust="spacing" textLength="8" x="142.5" y="207.5825">3</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="643" x="154.5" y="207.5825">Send PDP_UPDATE message with info like subgroup, heartbeat interval, policiesToBeDeployed if any</text><polygon fill="#A80036" points="931.5,237.7813,941.5,241.7813,931.5,245.7813,935.5,241.7813" style="stroke:#A80036;stroke-width:1.0;"/><line style="stroke:#A80036;stroke-width:1.0;stroke-dasharray:2.0,2.0;" x1="125.5" x2="937.5" y1="241.7813" y2="241.7813"/><text fill="#000000" font-family="sans-serif" font-size="13" font-weight="bold" lengthAdjust="spacing" textLength="9" x="132.5" y="236.7153">4</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="731" x="145.5" y="236.7153">Send PDP_STATUS (response to PDP_UPDATE) with added information such as responseStatus/responseMessage.</text><polygon fill="#A80036" points="136.5,266.9141,126.5,270.9141,136.5,274.9141,132.5,270.9141" style="stroke:#A80036;stroke-width:1.0;"/><line style="stroke:#A80036;stroke-width:1.0;stroke-dasharray:2.0,2.0;" x1="130.5" x2="942.5" y1="270.9141" y2="270.9141"/><text fill="#000000" font-family="sans-serif" font-size="13" font-weight="bold" lengthAdjust="spacing" textLength="9" x="142.5" y="265.8481">5</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="530" x="155.5" y="265.8481">Send PDP_STATE_CHANGE message asking the PDP to go from PASSIVE to ACTIVE</text><polygon fill="#A80036" 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x="107" y="328.1138">loop</text><text fill="#000000" font-family="sans-serif" font-size="11" font-weight="bold" lengthAdjust="spacing" textLength="61" x="185" y="327.2573">[forever]</text><polygon fill="#A80036" points="931.5,349.3125,941.5,353.3125,931.5,357.3125,935.5,353.3125" style="stroke:#A80036;stroke-width:1.0;"/><line style="stroke:#A80036;stroke-width:1.0;stroke-dasharray:2.0,2.0;" x1="125.5" x2="937.5" y1="353.3125" y2="353.3125"/><text fill="#000000" font-family="sans-serif" font-size="13" font-weight="bold" lengthAdjust="spacing" textLength="9" x="132.5" y="348.2466">7</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="394" x="145.5" y="348.2466">Send PDP_STATUS which is the heartbeat message from PDP</text><polygon fill="#A80036" points="954.5,385.4453,944.5,389.4453,954.5,393.4453,950.5,389.4453" style="stroke:#A80036;stroke-width:1.0;"/><line style="stroke:#A80036;stroke-width:1.0;stroke-dasharray:2.0,2.0;" x1="948.5" 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+@startuml
+title PDP interaction with PAP
+
+participant K8S
+participant PDP
+participant DMaaP
+participant PAP
+actor User
+
+autonumber
+
+K8S - -> PDP : Start PDP
+
+PDP - -> PAP: Send PDP_STATUS (registration message) with state as PASSIVE and other info like PDP's Group/Type/Name.
+
+PAP - -> PDP: Send PDP_UPDATE message with info like subgroup, heartbeat interval, policiesToBeDeployed if any
+
+PDP - -> PAP: Send PDP_STATUS (response to PDP_UPDATE) with added information such as responseStatus/responseMessage.
+
+PAP - -> PDP: Send PDP_STATE_CHANGE message asking the PDP to go from PASSIVE to ACTIVE
+
+PDP - -> PAP: Send PDP_STATUS (response to PDP_STATE_CHANGE) with added information such as responseStatus/responseMessage.
+
+loop forever
+  PDP - -> PAP: Send PDP_STATUS which is the heartbeat message from PDP
+end
+
+User - -> PAP: Deploy/Undeploy Policy
+
+PAP - -> PDP: Send PDP_UPDATE message with the policiesToBeDeployed/Undeployed
+
+PDP - -> PAP: Send PDP_STATUS (response to PDP_UPDATE) with added information such as responseStatus/responseMessage.
+@enduml
+
+PlantUML version 1.2021.11beta6(Unknown compile time)
+(GPL source distribution)
+Java Runtime: Java(TM) SE Runtime Environment
+JVM: Java HotSpot(TM) 64-Bit Server VM
+Default Encoding: UTF-8
+Language: en
+Country: US
+--></g></svg>
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