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Diffstat (limited to 'plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-restserver/src')
5 files changed, 277 insertions, 0 deletions
diff --git a/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-restserver/src/site-docs/adoc/fragments/ct-restserver-io.adoc b/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-restserver/src/site-docs/adoc/fragments/ct-restserver-io.adoc new file mode 100644 index 000000000..c6c9a0865 --- /dev/null +++ b/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-restserver/src/site-docs/adoc/fragments/ct-restserver-io.adoc @@ -0,0 +1,134 @@ +// +// ============LICENSE_START======================================================= +// Copyright (C) 2016-2018 Ericsson. All rights reserved. +// ================================================================================ +// This file is licensed under the CREATIVE COMMONS ATTRIBUTION 4.0 INTERNATIONAL LICENSE +// Full license text at https://creativecommons.org/licenses/by/4.0/legalcode +// +// SPDX-License-Identifier: CC-BY-4.0 +// ============LICENSE_END========================================================= +// +// @author Sven van der Meer (sven.van.der.meer@ericsson.com) +// + +== REST Server IO + +APEX supports a REST server for input and output. + +The REST server plugin always uses a synchronous mode. +A client does a HTTP GET on the APEX REST server with the input event and receives the generated output event in the server reply. +This means that for the REST server there has to always to be an input with an associated output. +Input or output only are not permitted. + +The plugin will start a Grizzly server as REST server for a normal APEX engine. +If the APEX engine is executed as a servlet, for instance inside Tomcat, then Tomcat will be used as REST server (this case requires configuration on Tomcat as well). + +Some configuration restrictions apply for all scenarios: + +- Minimum port: 1024 +- Maximum port: 65535 +- The media type is `application/json`, so this plugin does only work with the JSON Event protocol. + +The URL the client calls is created using + +- the configured host and port, e.g. `http://localhost:12345` +- the standard path, e.g. `/apex/` +- the name of the input/output, e.g. `FirstConsumer/` +- the input or output name, e.g. `EventIn`. + +The examples above lead to the URL `http://localhost:12345/apex/FirstConsumer/EventIn`. + +A client can also get status information of the REST server using `/Status`, e.g. `http://localhost:12345/apex/FirstConsumer/Status`. + + +=== REST Server Stand-alone + +We need to configure a REST server input and a REST server output. +Input and output are associated with each other via there name. + +Timeouts for REST calls need to be set carefully. +If they are too short, the call might timeout before a policy finished creating an event. + +The following example configures the input named as `MyConsumer` and associates an output named `MyProducer` with it. + +[source%nowrap,json] +---- +"eventInputParameters": { + "MyConsumer": { + "carrierTechnologyParameters" : { + "carrierTechnology" : "RESTSERVER", <1> + "parameterClassName" : + "org.onap.policy.apex.plugins.event.carrier.restserver.RESTServerCarrierTechnologyParameters", + "parameters" : { + "standalone" : true, <2> + "host" : "localhost", <3> + "port" : 12345 <4> + } + }, + "eventProtocolParameters":{ + "eventProtocol" : "JSON" <5> + }, + "synchronousMode" : true, <6> + "synchronousPeer" : "MyProducer", <7> + "synchronousTimeout" : 500 <8> + } +} +---- +<1> set REST server as carrier technology +<2> set the server as stand-alone +<3> set the server host +<4> set the server listen port +<5> use JSON event protocol +<6> activate synchronous mode +<7> associate an output `MyProducer` +<8> set a timeout of 500 milliseconds + + +The following example configures the output named as `MyProducer` and associates the input `MyConsumer` with it. +Note that for the output there are no more paramters (such as host or port), since they are already configured in the associated input + +[source%nowrap,json] +---- +"eventOutputParameters": { + "MyProducer": { + "carrierTechnologyParameters":{ + "carrierTechnology" : "RESTSERVER", + "parameterClassName" : + "org.onap.policy.apex.plugins.event.carrier.restserver.RESTServerCarrierTechnologyParameters" + }, + "eventProtocolParameters":{ + "eventProtocol" : "JSON" + }, + "synchronousMode" : true, + "synchronousPeer" : "MyConsumer", + "synchronousTimeout" : 500 + } +} +---- + + +=== REST Server Stand-alone, multi input + +Any number of input/output pairs for REST servers can be configured. +For instance, we can configure an input `FirstConsumer` with output `FirstProducer` and an input `SecondConsumer` with output `SecondProducer`. +Important is that there is always one pair of input/output. + + +=== REST Server Stand-alone in Servlet + +If APEX is executed as a servlet, e.g. inside Tomcat, the configuration becomes easier since the plugin can now use Tomcat as the REST server. +In this scenario, there are not parameters (port, host, etc.) and the key `standalone` must not be used (or set to false). + +For the Tomcat configuration, we need to add the REST server plugin, e.g. + +[source%nowrap,xml] +---- +<servlet> + ... + <init-param> + ... + <param-value>org.onap.policy.apex.plugins.event.carrier.restserver</param-value> + </init-param> + ... +</servlet> +---- diff --git a/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-restserver/src/site/asciidoc/engine-config.adoc b/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-restserver/src/site/asciidoc/engine-config.adoc new file mode 100644 index 000000000..043ed04d1 --- /dev/null +++ b/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-restserver/src/site/asciidoc/engine-config.adoc @@ -0,0 +1,14 @@ +// +// ============LICENSE_START======================================================= +// Copyright (C) 2016-2018 Ericsson. All rights reserved. +// ================================================================================ +// This file is licensed under the CREATIVE COMMONS ATTRIBUTION 4.0 INTERNATIONAL LICENSE +// Full license text at https://creativecommons.org/licenses/by/4.0/legalcode +// +// SPDX-License-Identifier: CC-BY-4.0 +// ============LICENSE_END========================================================= +// +// @author Sven van der Meer (sven.van.der.meer@ericsson.com) +// + +include::{adsite-plugins-event-carrier-restserver-dir}/site-docs/adoc/fragments/ct-restserver-io.adoc[] diff --git a/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-restserver/src/site/css/site.css b/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-restserver/src/site/css/site.css new file mode 100644 index 000000000..ef8bd4d15 --- /dev/null +++ b/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-restserver/src/site/css/site.css @@ -0,0 +1,100 @@ +/* + * ============LICENSE_START======================================================= + * Copyright (C) 2016-2018 Ericsson. All rights reserved. + * ================================================================================ + * 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. + * + * SPDX-License-Identifier: Apache-2.0 + * ============LICENSE_END========================================================= + */ + +@import url(http://cdnjs.cloudflare.com/ajax/libs/font-awesome/3.2.0/css/font-awesome.css); + + +/*************** Table definitions *******************/ + +tableblock > .title, .tableblock > caption { line-height: 1.4; color: #7a2518; font-weight: 300; margin-top: 0.2em; margin-bottom: 0.5em; } + +.tableblock > caption { text-align: left; font-weight: bold; white-space: nowrap; overflow: visible; max-width: 0; } + +table.tableblock { background: white; margin-bottom: 1.25em; border: solid 1px #dddddd; } +table.tableblock thead, table.tableblock tfoot { background: whitesmoke; font-weight: bold; } +table.tableblock thead tr th, table.tableblock thead tr td, table tfoot tr th, table tfoot tr td { padding: 0.5em 0.625em 0.625em; font-size: inherit; color: #222222; text-align: left; } +table.tableblock tr th, table.tableblock tr td { padding: 0.5625em 0.625em; font-size: inherit; color: #222222; } +table.tableblock tr.even, table.tableblock tr.alt, table.tableblock tr:nth-of-type(even) { background: #f9f9f9; } +table.tableblock thead tr th, table.tableblock tfoot tr th, table.tableblock tbody tr td, table.tableblock tr td, table.tableblock tfoot tr td { display: table-cell; line-height: 1.6; } + +table.tableblock #preamble > .sectionbody > .paragraph:first-of-type p { font-size: inherit; } + +table.tableblock.grid-all { border-collapse: separate; border-spacing: 1px; -webkit-border-radius: 4px; border-radius: 4px; border-top: 1px solid #dddddd; border-bottom: 1px solid #dddddd; } + +table.tableblock.frame-topbot, table.tableblock.frame-none { border-left: 0; border-right: 0; } + +table.tableblock.frame-sides, table.tableblock.frame-none { border-top: 0; border-bottom: 0; } + +table.tableblock td .paragraph:last-child p, table.tableblock td > p:last-child { margin-bottom: 0; } + +th.tableblock.halign-left, td.tableblock.halign-left { text-align: left; } + +th.tableblock.halign-right, td.tableblock.halign-right { text-align: right; } + +th.tableblock.halign-center, td.tableblock.halign-center { text-align: center; } + +th.tableblock.valign-top, td.tableblock.valign-top { vertical-align: top; } + +th.tableblock.valign-bottom, td.tableblock.valign-bottom { vertical-align: bottom; } + +th.tableblock.valign-middle, td.tableblock.valign-middle { vertical-align: middle; } + +p.tableblock.header { color: #222222; font-weight: bold; } + + + +/*************** KBD Macro definitions *******************/ + +kbd.keyseq { color: #555555; } + +kbd:not(.keyseq) { display: inline-block; color: #222222; font-size: 0.75em; line-height: 1.4; background-color: #F7F7F7; border: 1px solid #ccc; -webkit-border-radius: 3px; border-radius: 3px; -webkit-box-shadow: 0 1px 0 rgba(0, 0, 0, 0.2), 0 0 0 2px white inset; box-shadow: 0 1px 0 rgba(0, 0, 0, 0.2), 0 0 0 2px white inset; margin: -0.15em 0.15em 0 0.15em; padding: 0.2em 0.6em 0.2em 0.5em; vertical-align: middle; white-space: nowrap; } + +kbd kbd:first-child { margin-left: 0; } + +kbd kbd:last-child { margin-right: 0; } + + +/*************** Admontion Blocks definitions *******************/ +.admonitionblock td.content > .title, .exampleblock > .title, .imageblock > .title, .videoblock > .title, .listingblock > .title, .literalblock > .title, .openblock > .title, .paragraph > .title, .quoteblock > .title, .sidebarblock > .title, .tableblock > .title, .verseblock > .title, .dlist > .title, .olist > .title, .ulist > .title, .qlist > .title, .hdlist > .title { text-align: left; font-weight: bold; } + +.admonitionblock > table { border: 0; background: none; width: 100%; margin-top: 1em; margin-bottom: 1em;} +.admonitionblock > table td.icon { text-align: center; width: 80px; } +.admonitionblock > table td.icon img { max-width: none; } +.admonitionblock > table td.icon .title { font-weight: bold; text-transform: uppercase; } +.admonitionblock > table td.content { padding-left: 1.125em; padding-right: 1.25em; border-left: 1px solid #dddddd; color: #6f6f6f; } +.admonitionblock > table td.content > :last-child > :last-child { margin-bottom: 0; } + +.admonitionblock td.icon [class^="fa icon-"]:before {font-size:2.5em;text-shadow:1px 1px 2px rgba(0,0,0,.5);cursor:default} +.admonitionblock td.icon .icon-note:before { content: "\f05a"; color: #005498; color: #003f72; } +.admonitionblock td.icon .icon-tip:before { content: "\f0eb"; text-shadow: 1px 1px 2px rgba(155, 155, 0, 0.8); color: #111; } +.admonitionblock td.icon .icon-warning:before { content: "\f071"; color: #bf6900; } +.admonitionblock td.icon .icon-caution:before { content: "\f06d"; color: #bf3400; } +.admonitionblock td.icon .icon-important:before { content: "\f06a"; color: #bf0000; } + + + +/*************** Misc definitions *******************/ + +*:not(pre) > code { font-size: 0.9375em; padding: 1px 3px 0; white-space: nowrap; background-color: #f2f2f2; border: 1px solid #cccccc; -webkit-border-radius: 4px; border-radius: 4px; text-shadow: none; } + +pre, pre > code { line-height: 1.4; color: inherit; font-family: Consolas, "Liberation Mono", Courier, monospace; font-weight: normal; } + +code { font-family: Consolas, "Liberation Mono", Courier, monospace; font-weight: normal; color: #6d180b; } + diff --git a/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-restserver/src/site/images/logos.png b/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-restserver/src/site/images/logos.png Binary files differnew file mode 100644 index 000000000..915d6e59d --- /dev/null +++ b/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-restserver/src/site/images/logos.png diff --git a/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-restserver/src/site/site.xml b/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-restserver/src/site/site.xml new file mode 100644 index 000000000..84c094eec --- /dev/null +++ b/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-restserver/src/site/site.xml @@ -0,0 +1,29 @@ +<?xml version="1.0" encoding="UTF-8"?> +<!-- + ============LICENSE_START======================================================= + Copyright (C) 2016-2018 Ericsson. All rights reserved. + ================================================================================ + This file is licensed under the CREATIVE COMMONS ATTRIBUTION 4.0 INTERNATIONAL LICENSE + Full license text at https://creativecommons.org/licenses/by/4.0/legalcode + + SPDX-License-Identifier: CC-BY-4.0 + ============LICENSE_END========================================================= + + @author Sven van der Meer (sven.van.der.meer@ericsson.com) + +--> + +<project name="APEX Plugins Event Carrier REST-Server"> + <body> + <menu name="APEX Plugins Event Carrier REST-Server"> + <item href="engine-config.html" name="Engine Configuration" /> + <item href="javadocs/index.html" name="API Doc" /> + </menu> + <menu ref="reports" inherit="top" /> + <menu ref="modules" /> + + <breadcrumbs> + <item name="REST-Server" href="index.html" /> + </breadcrumbs> + </body> +</project>
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