LogReader Service

Spring-boot(Java) web service that can retrieve logs from "\var\log" directory in reverse chronological order with the following parameters:

• "filename" - the file name [required]
• "searchword" - the word to filter for in every line [optional]
• "limit" - the maximum number of lines to return, default is 100. Set as 0 if all content is intended.[optional]
• Warning: service might return 500 if all content is requested for a large file.

Server dependencies:

• Spring boot frame work with Maven. You can follow the official website to install spring boot link

How to build the service:

In the source directory, run

• ./mvnw package to build the service
• ./mvnw test to run unit-tests
• ./mvnw spring-boot:run to start the service, service will be started on localhost:8080.

How to test the service using curl

Some example commands are show below:

show last 100(default) lines from /var/log/install.log file

curl -sS 'http://localhost:8080/getlog?filename=install.log'

show last 100(default) lines from /var/log/install.log file containing the word 'install'

curl -sS 'http://localhost:8080/getlog?filename=install.log&searchword=install'

show last 5(default) lines from /var/log/install.log file containing the word 'install'

curl -sS 'http://localhost:8080/getlog?limit=5&filename=install.log&searchword=install'

show all lines from /var/log/install.log file containing the word 'install'

curl -sS 'http://localhost:8080/getlog?limit=0&filename=install.log&searchword=install'