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#Servir Water Observations Data Integerator

This app is created to run in the Teyths Platform programming environment. See: https://github.com/tethysplatform/tethys and http://docs.tethysplatform.org/en/latest/

##Prerequisites:

  • Tethys Platform (CKAN, PostgresQL, GeoServer)
  • pyshp (Python package for uploading shapefiles to geoserver)
  • pyproj (Python package for projecting coordinates)
  • suds (lightweight SOAP python client for consuming Web Services.)

###Install Tathys Platform See: http://docs.tethysplatform.org/en/latest/installation.html

###Install pyshp into Tethys' Python environment:

$ sudo su
$ . /usr/lib/tethys/bin/activate
$ pip install pyshp
$ exit

###Install pyproj into Tethys' Python environment:

$ sudo su
$ . /usr/lib/tethys/bin/activate
$ pip install pyproj
$ exit

###Install suds into Tethys' Python environment:

$ sudo su
$ . /usr/lib/tethys/bin/activate
$ pip install suds
$ exit

##Installation: Clone the app into the directory you want:

$ git clone https://github.com/SarvaPulla/servirdi.git
$ cd servirdi

Then install the app into the Tethys Platform.

###Installation for App Development:

$ . /usr/lib/tethys/bin/activate
$ cd servirdi
$ python setup.py develop

###Installation for Production:

$ . /usr/lib/tethys/bin/activate
$ cd servirdi
$ python setup.py install
$ tethys manage collectstatic

####Modify the tethys settings.py file for providing geoserver url:

$ . /usr/lib/tethys/bin/activate
$ sudo su
$ cd /usr/lib/tethys/src/tethys_apps
$ nano settings.py

Then insert the following in the settings.py file:

 GEOSERVER_URL_BASE = 'http://domainname.com:8181' (Insert your geoserver url here)
 GEOSERVER_URL_SSL_BASE = 'https://domainname.com:8443' (For HTTPS only)
 GEOSERVER_USER_NAME = 'admin' (Insert your geoserver user name) 
 GEOSERVER_USER_PASSWORD = 'geoserver' (Insert your geoserver password)

Save File: Ctrl + X. When prompted, Press Y.

Enable CORS on geoserver

For Tethys 1.3

Create a new bash session in the tethys_geoserver docker container:

$ . /usr/lib/tethys/bin/activate
$ docker exec -it tethys_geoserver /bin/bash
$ vi /var/lib/tomcat7/webapps/geoserver/WEB-INF/web.xml

Insert the following in the filters list:

<filter>
    <filter-name>CorsFilter</filter-name>
    <filter-class>org.apache.catalina.filters.CorsFilter</filter-class>
    <init-param>
      <param-name>cors.allowed.origins</param-name>
      <param-value>http://127.0.0.1:8000, http://127.0.0.1:8181</param-value>
    </init-param>
</filter>

Insert this filter-mapping to the filter-mapping list:

<filter-mapping>
    <filter-name>CorsFilter</filter-name>
    <url-pattern>/*</url-pattern>
</filter-mapping>

Save the web.xml file.

$ exit
$ docker restart tethys_geoserver
For Tethys 1.4

Create a new bash session in the tethys_geoserver docker container:

$ . /usr/lib/tethys/bin/activate
$ docker exec -it tethys_geoserver /bin/bash
$ cd node1/webapps/geoserver/WEB-INF
$ vi web.xml

Note: You can make this change to any other node in the geoserver docker.

Insert the following in the filters list:

<filter>
    <filter-name>CorsFilter</filter-name>
    <filter-class>org.apache.catalina.filters.CorsFilter</filter-class>
    <init-param>
      <param-name>cors.allowed.origins</param-name>
      <param-value>http://127.0.0.1:8000, http://127.0.0.1:8181</param-value>
    </init-param>
</filter>

Insert this filter-mapping to the filter-mapping list:

<filter-mapping>
    <filter-name>CorsFilter</filter-name>
    <url-pattern>/*</url-pattern>
</filter-mapping>

Save the web.xml file.

$ exit
$ docker restart tethys_geoserver

##Updating the App: Update the local repository and Tethys Platform instance.

$ . /usr/lib/tethys/bin/activate
$ cd servirdi
$ git stash
$ git pull

Restart the Apache Server: See: http://docs.tethysplatform.org/en/latest/production/installation.html#enable-site-and-restart-apache