container version of kernelscope

Author: Christian Kniep

.dockerignore

@@ -1 +1,2 @@
 Dockerfile
+docker-compose.yml

Dockerfile

@@ -1,10 +1,21 @@
-FROM qnib/alpn-base
+FROM qnib/u-supervisor
 
-ADD . /opt/kernelscope/
-RUN apk add --no-cache sqlite python3
-RUN cat /opt/kernelscope/kernelscope-sqlite.sql | sqlite3 /var/lib/kernelscope.db
-RUN apk --no-cache add py-pip mysql-dev gcc python-dev linux-headers musl-dev \
+RUN apt-get update
+RUN apt-get install -y sqlite python3 python-pip gcc 
+RUN apt-get install -y apt-transport-https
+RUN apt-get install -y libmysqlclient-dev \
  && pip install mysql
 
-CMD ["python", "/opt/kernelscope/src/KernelscopeLoggerService.py", "--sqlite", "kernelscope.db", "8081"]
+ADD . /opt/kernelscope/
+RUN cat /opt/kernelscope/kernelscope-sqlite.sql | sqlite3 /var/lib/kernelscope.db  
+ADD etc/supervisord.d/kernelscope-visualiser.ini \
+    etc/supervisord.d/kernelscope.ini \
+    etc/supervisord.d/kernelscope-offcputime.ini \
+    /etc/supervisord.d/
+RUN echo "deb [trusted=yes] http://repo.iovisor.org/apt/xenial xenial-nightly main" > /etc/apt/sources.list.d/iovisor.list \
+ && apt-get update -y \
+ && apt-get install -y libelf1 \
+ && apt-get install -y bcc-tools libbcc-examples
+ADD entrypoint.sh /usr/bin/
+CMD ["/usr/bin/entrypoint.sh", "/opt/qnib/supervisor/bin/start.sh", "-n"]
 

docker-compose.yml

@@ -4,6 +4,10 @@ services:
     image: qnib/kernelscope
     hostname: kernelscope
     container_name: kernelscope
+    volumes:
+     - /lib/modules:/lib/modules:ro
+     - /usr/src:/usr/src:ro
+     - /etc/localtime:/etc/localtime:ro
     ports:
-     - 8081:8081
+     - 8080:8080
     privileged: true

entrypoint.sh

@@ -0,0 +1,4 @@
+#!/bin/bash
+set -e
+mount -t debugfs none /sys/kernel/debug/
+exec "$@"

etc/supervisord.d/kernelscope-offcputime.ini

@@ -0,0 +1,6 @@
+[program:kernelscope-offcputime]
+command=python offcputime.py --logger 'http://localhost:8081' --threshold 5000
+directory=/opt/kernelscope/src/
+redirect_stderr=true
+autostart=true
+stdout_logfile=/var/log/supervisor/%(program_name)s.log

etc/supervisord.d/kernelscope-visualiser.ini

@@ -0,0 +1,6 @@
+[program:kernelscope-visualiser]
+command=python KernelscopeService.py --sqlite /var/lib/kernelscope.db 8080
+directory=/opt/kernelscope/src/
+redirect_stderr=true
+autostart=true
+stdout_logfile=/var/log/supervisor/%(program_name)s.log

etc/supervisord.d/kernelscope.ini

@@ -0,0 +1,6 @@
+[program:kernelscope]
+command=python KernelscopeLoggerService.py --sqlite /var/lib/kernelscope.db 8081
+directory=/opt/kernelscope/src/
+redirect_stderr=true
+autostart=true
+stdout_logfile=/var/log/supervisor/%(program_name)s.log