generating plots

Dockerfile

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+FROM python:3
+
+WORKDIR /app
+
+COPY ./requirements.txt .
+COPY ./generate_plot.py .
+
+RUN pip install matplotlib==3.2.1

Jenkinsfile

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+pipeline {
+    agent { dockerfile true } 
+    stages {
+        stage('Copy results'){
+            steps {
+                copyArtifacts filter: 'wer.txt, srr.txt', 
+                fingerprintArtifacts: true, projectName: 's152203-metrics', selector: lastSuccessful()
+            }
+        }
+        stage('Generate and archive plots'){
+            steps {
+               sh 'chmod +x plot.sh'
+
+                sh label: '', script: './plot.sh'
+                archiveArtifacts 'wer.png'
+                archiveArtifacts 'srr.png'
+            }
+        }
+    }
+}

plot.py

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+#!/usr/bin/env python3
+import matplotlib.pyplot as plt
+
+
+def read_into_file(file_name: str) -> list:
+    with open(file_name, 'r') as f:
+        return f.read().splitlines()
+
+
+def generate_plot(data: list, label: str, file_name: str):
+    plt.plot(data)
+    plt.ylabel(label)
+    plt.savefig(file_name)
+    plt.close()
+
+
+if __name__ == '__main__':
+    wer = [float(i) for i in read_into_file('wer-generate.txt')]
+    srr = [float(i) for i in read_into_file('srr-generate.txt')]
+
+    generate_plot(wer, 'WER', 'wer.png')
+    generate_plot(srr, 'SRR', 'srr.png')

plot.sh

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+#!/bin/bash
+
+tail -50 wer.txt > wer-generate.txt
+tail -50 srr.txt > srr-generate.txt
+
+python3 plot.py