KASM-4975 "Feature/ vnc session recording"

ci-scripts/template-vars.yaml

@@ -1,6 +1,8 @@
 files: &UNIVERSAL_CHANGE_FILES
   - src/common/**
   - src/common/startup_scripts/**
+  - src/common/scripts/**
+  - src/common/scripts/kasm_hook_scripts/**
   - src/ubuntu/install/audio/**
   - src/ubuntu/install/audio_input/**
   - src/ubuntu/install/cleanup/**
@@ -18,6 +20,7 @@ files: &UNIVERSAL_CHANGE_FILES
   - src/ubuntu/install/squid/**
   - src/ubuntu/install/tools/**
   - src/ubuntu/install/webcam/**
+  - src/ubuntu/install/recorder/**
   - ci-scripts/**
   - .gitlab-ci.yml
 

dockerfile-kasm-core

@@ -87,12 +87,16 @@ RUN bash $INST_SCRIPTS/gamepad/install_gamepad.sh && rm -rf $INST_SCRIPTS/gamepa
 COPY ./src/ubuntu/install/webcam $INST_SCRIPTS/webcam/
 RUN bash $INST_SCRIPTS/webcam/install_webcam.sh && rm -rf $INST_SCRIPTS/webcam/
 
-### Install Printer
+### Install Printer Service
 COPY ./src/ubuntu/install/printer $INST_SCRIPTS/printer/
 COPY ./src/ubuntu/install/printer/start_cups.sh /etc/cups/start_cups.sh
 RUN bash $INST_SCRIPTS/printer/install_printer.sh && rm -rf $INST_SCRIPTS/printer
 COPY ./src/ubuntu/install/printer/resources/*.ppd /etc/cups/ppd/
 
+### Install Recorder Service
+COPY ./src/ubuntu/install/recorder $INST_SCRIPTS/recorder/
+RUN bash $INST_SCRIPTS/recorder/install_recorder.sh && rm -rf $INST_SCRIPTS/recorder
+
 ### Install custom cursors
 COPY ./src/ubuntu/install/cursors $INST_SCRIPTS/cursors/
 RUN bash $INST_SCRIPTS/cursors/install_cursors.sh && rm -rf $INST_SCRIPTS/cursors/
@@ -140,6 +144,11 @@ ENV HOME=/home/kasm-user
 WORKDIR $HOME
 RUN mkdir -p $HOME && chown -R 1000:0 $HOME
 
+### Create user exclusively for session recording purposes
+RUN (groupadd -g 1001 kasm-recorder \
+    && useradd -M -u 1001 -g 1001 kasm-recorder \
+    && usermod -a -G kasm-recorder) ; exit 0
+
 ### FIX PERMISSIONS ## Objective is to change the owner of non-home paths to root, remove write permissions, and set execute where required
 # these files are created on container first exec, by the default user, so we have to create them since default will not have write perm
 RUN touch $STARTUPDIR/wm.log \
@@ -159,6 +168,7 @@ RUN touch $STARTUPDIR/wm.log \
     && chmod 755 $STARTUPDIR/gamepad/kasm_gamepad_server \
     && chmod 755 $STARTUPDIR/webcam/kasm_webcam_server \
     && chmod 755 $STARTUPDIR/printer/kasm_printer_service \
+    && chmod 755 $STARTUPDIR/recorder/kasm_recorder_service \
     && chmod 755 $STARTUPDIR/generate_container_user \
     && chmod +x $STARTUPDIR/jsmpeg/kasm_audio_out-linux \
     && rm -rf $STARTUPDIR/install \

dockerfile-kasm-core-alpine

@@ -89,12 +89,16 @@ RUN bash $INST_SCRIPTS/gamepad/install_gamepad.sh && rm -rf $INST_SCRIPTS/gamepa
 COPY ./src/ubuntu/install/webcam $INST_SCRIPTS/webcam/
 RUN bash $INST_SCRIPTS/webcam/install_webcam.sh && rm -rf $INST_SCRIPTS/webcam/
 
-### Install Printer
+### Install Printer Service
 COPY ./src/ubuntu/install/printer $INST_SCRIPTS/printer/
 COPY ./src/ubuntu/install/printer/start_cups.sh /etc/cups/start_cups.sh
 RUN bash $INST_SCRIPTS/printer/install_printer.sh && rm -rf $INST_SCRIPTS/printer
 COPY ./src/ubuntu/install/printer/resources/*.ppd /etc/cups/ppd/
 
+### Install Recorder Service
+COPY ./src/ubuntu/install/recorder $INST_SCRIPTS/recorder/
+RUN bash $INST_SCRIPTS/recorder/install_recorder.sh && rm -rf $INST_SCRIPTS/recorder
+
 ### Copy built Squid
 COPY --from=squid_builder /usr/local/squid /usr/local/squid
 
@@ -134,6 +138,11 @@ ENV HOME /home/kasm-user
 WORKDIR $HOME
 RUN mkdir -p $HOME && chown -R 1000:0 $HOME
 
+### Create user exclusively for session recording purposes
+RUN (groupadd -g 1001 kasm-recorder \
+    && useradd -M -u 1001 -g 1001 kasm-recorder \
+    && usermod -a -G kasm-recorder) ; exit 0
+
 ### FIX PERMISSIONS ## Objective is to change the owner of non-home paths to root, remove write permissions, and set execute where required
 # these files are created on container first exec, by the default user, so we have to create them since default will not have write perm
 RUN touch $STARTUPDIR/wm.log \
@@ -154,6 +163,7 @@ RUN touch $STARTUPDIR/wm.log \
     && chmod 755 $STARTUPDIR/webcam/kasm_webcam_server \
     && chmod 755 $STARTUPDIR/generate_container_user \
     && chmod 755 $STARTUPDIR/printer/kasm_printer_service \
+    && chmod 755 $STARTUPDIR/recorder/kasm_recorder_service \
     && chmod +x $STARTUPDIR/jsmpeg/kasm_audio_out-linux \
     && rm -rf $STARTUPDIR/install \
     && mkdir -p $STARTUPDIR/kasmrx/Downloads \

dockerfile-kasm-core-centos

@@ -91,12 +91,16 @@ RUN bash $INST_SCRIPTS/gamepad/install_gamepad.sh && rm -rf $INST_SCRIPTS/gamepa
 COPY ./src/ubuntu/install/webcam $INST_SCRIPTS/webcam/
 RUN bash $INST_SCRIPTS/webcam/install_webcam.sh && rm -rf $INST_SCRIPTS/webcam/
 
-### Install Printer
+### Install Printer Service
 COPY ./src/ubuntu/install/printer $INST_SCRIPTS/printer/
 COPY ./src/ubuntu/install/printer/start_cups.sh /etc/cups/start_cups.sh
 RUN bash $INST_SCRIPTS/printer/install_printer.sh && rm -rf $INST_SCRIPTS/printer
 COPY ./src/ubuntu/install/printer/resources/*.ppd /etc/cups/ppd/
 
+### Install Recorder Service
+COPY ./src/ubuntu/install/recorder $INST_SCRIPTS/recorder/
+RUN bash $INST_SCRIPTS/recorder/install_recorder.sh && rm -rf $INST_SCRIPTS/recorder
+
 ### Copy built Squid
 COPY --from=squid_builder /usr/local/squid /usr/local/squid
 
@@ -136,6 +140,11 @@ ENV HOME /home/kasm-user
 WORKDIR $HOME
 RUN mkdir -p $HOME && chown -R 1000:0 $HOME
 
+### Create user exclusively for session recording purposes
+RUN (groupadd -g 1001 kasm-recorder \
+    && useradd -M -u 1001 -g 1001 kasm-recorder \
+    && usermod -a -G kasm-recorder) ; exit 0
+
 ### FIX PERMISSIONS ## Objective is to change the owner of non-home paths to root, remove write permissions, and set execute where required
 # these files are created on container first exec, by the default user, so we have to create them since default will not have write perm
 RUN touch $STARTUPDIR/wm.log \
@@ -156,6 +165,7 @@ RUN touch $STARTUPDIR/wm.log \
     && chmod 755 $STARTUPDIR/webcam/kasm_webcam_server \
     && chmod 755 $STARTUPDIR/generate_container_user \
     && chmod 755 $STARTUPDIR/printer/kasm_printer_service \
+    && chmod 755 $STARTUPDIR/recorder/kasm_recorder_service \
     && chmod +x $STARTUPDIR/jsmpeg/kasm_audio_out-linux \
     && rm -rf $STARTUPDIR/install \
     && mkdir -p $STARTUPDIR/kasmrx/Downloads \

dockerfile-kasm-core-fedora

@@ -99,12 +99,16 @@ RUN bash $INST_SCRIPTS/gamepad/install_gamepad.sh && rm -rf $INST_SCRIPTS/gamepa
 COPY ./src/ubuntu/install/webcam $INST_SCRIPTS/webcam/
 RUN bash $INST_SCRIPTS/webcam/install_webcam.sh && rm -rf $INST_SCRIPTS/webcam/
 
-### Install Printer
+### Install Printer Service
 COPY ./src/ubuntu/install/printer $INST_SCRIPTS/printer/
 COPY ./src/ubuntu/install/printer/start_cups.sh /etc/cups/start_cups.sh
 RUN bash $INST_SCRIPTS/printer/install_printer.sh && rm -rf $INST_SCRIPTS/printer
 COPY ./src/ubuntu/install/printer/resources/*.ppd /etc/cups/ppd/
 
+### Install Recorder Service
+COPY ./src/ubuntu/install/recorder $INST_SCRIPTS/recorder/
+RUN bash $INST_SCRIPTS/recorder/install_recorder.sh && rm -rf $INST_SCRIPTS/recorder
+
 ### Copy built Squid
 COPY --from=squid_builder /usr/local/squid /usr/local/squid
 
@@ -144,6 +148,11 @@ ENV HOME /home/kasm-user
 WORKDIR $HOME
 RUN mkdir -p $HOME && chown -R 1000:0 $HOME
 
+### Create user exclusively for session recording purposes
+RUN (groupadd -g 1001 kasm-recorder \
+    && useradd -M -u 1001 -g 1001 kasm-recorder \
+    && usermod -a -G kasm-recorder) ; exit 0
+
 ### FIX PERMISSIONS ## Objective is to change the owner of non-home paths to root, remove write permissions, and set execute where required
 # these files are created on container first exec, by the default user, so we have to create them since default will not have write perm
 RUN touch $STARTUPDIR/wm.log \
@@ -164,6 +173,7 @@ RUN touch $STARTUPDIR/wm.log \
     && chmod 755 $STARTUPDIR/webcam/kasm_webcam_server \
     && chmod 755 $STARTUPDIR/generate_container_user \
     && chmod 755 $STARTUPDIR/printer/kasm_printer_service \
+    && chmod 755 $STARTUPDIR/recorder/kasm_recorder_service \
     && chmod +x $STARTUPDIR/jsmpeg/kasm_audio_out-linux \
     && rm -rf $STARTUPDIR/install \
     && mkdir -p $STARTUPDIR/kasmrx/Downloads \

dockerfile-kasm-core-oracle

@@ -114,12 +114,16 @@ RUN bash $INST_SCRIPTS/gamepad/install_gamepad.sh && rm -rf $INST_SCRIPTS/gamepa
 COPY ./src/ubuntu/install/webcam $INST_SCRIPTS/webcam/
 RUN bash $INST_SCRIPTS/webcam/install_webcam.sh && rm -rf $INST_SCRIPTS/webcam/
 
-### Install Printer
+### Install Printer Service
 COPY ./src/ubuntu/install/printer $INST_SCRIPTS/printer/
 COPY ./src/ubuntu/install/printer/start_cups.sh /etc/cups/start_cups.sh
 RUN bash $INST_SCRIPTS/printer/install_printer.sh && rm -rf $INST_SCRIPTS/printer
 COPY ./src/ubuntu/install/printer/resources/*.ppd /etc/cups/ppd/
 
+### Install Recorder Service
+COPY ./src/ubuntu/install/recorder $INST_SCRIPTS/recorder/
+RUN bash $INST_SCRIPTS/recorder/install_recorder.sh && rm -rf $INST_SCRIPTS/recorder
+
 ### Copy built Squid
 COPY --from=squid_builder /usr/local/squid /usr/local/squid
 
@@ -163,6 +167,11 @@ ENV HOME /home/kasm-user
 WORKDIR $HOME
 RUN mkdir -p $HOME && chown -R 1000:0 $HOME
 
+### Create user exclusively for session recording purposes
+RUN (groupadd -g 1001 kasm-recorder \
+    && useradd -M -u 1001 -g 1001 kasm-recorder \
+    && usermod -a -G kasm-recorder) ; exit 0
+
 ### FIX PERMISSIONS ## Objective is to change the owner of non-home paths to root, remove write permissions, and set execute where required
 # these files are created on container first exec, by the default user, so we have to create them since default will not have write perm
 RUN touch $STARTUPDIR/wm.log \
@@ -183,6 +192,7 @@ RUN touch $STARTUPDIR/wm.log \
     && chmod 755 $STARTUPDIR/webcam/kasm_webcam_server \
     && chmod 755 $STARTUPDIR/generate_container_user \
     && chmod 755 $STARTUPDIR/printer/kasm_printer_service \
+    && chmod 755 $STARTUPDIR/recorder/kasm_recorder_service \
     && chmod +x $STARTUPDIR/jsmpeg/kasm_audio_out-linux \
     && rm -rf $STARTUPDIR/install \
     && mkdir -p $STARTUPDIR/kasmrx/Downloads \

dockerfile-kasm-core-suse

@@ -89,12 +89,16 @@ RUN bash $INST_SCRIPTS/gamepad/install_gamepad.sh && rm -rf $INST_SCRIPTS/gamepa
 COPY ./src/ubuntu/install/webcam $INST_SCRIPTS/webcam/
 RUN bash $INST_SCRIPTS/webcam/install_webcam.sh && rm -rf $INST_SCRIPTS/webcam/
 
-### Install Printer
+### Install Printer Service
 COPY ./src/ubuntu/install/printer $INST_SCRIPTS/printer/
 COPY ./src/ubuntu/install/printer/start_cups.sh /etc/cups/start_cups.sh
 RUN bash $INST_SCRIPTS/printer/install_printer.sh && rm -rf $INST_SCRIPTS/printer
 COPY ./src/ubuntu/install/printer/resources/*.ppd /etc/cups/ppd/
 
+### Install Recorder Service
+COPY ./src/ubuntu/install/recorder $INST_SCRIPTS/recorder/
+RUN bash $INST_SCRIPTS/recorder/install_recorder.sh && rm -rf $INST_SCRIPTS/recorder
+
 ### Copy built Squid
 COPY --from=squid_builder /usr/local/squid /usr/local/squid
 
@@ -138,6 +142,11 @@ ENV HOME /home/kasm-user
 WORKDIR $HOME
 RUN mkdir -p $HOME && chown -R 1000:0 $HOME
 
+### Create user exclusively for session recording purposes
+RUN (groupadd -g 1001 kasm-recorder \
+    && useradd -M -u 1001 -g 1001 kasm-recorder \
+    && usermod -a -G kasm-recorder) ; exit 0
+
 ### FIX PERMISSIONS ## Objective is to change the owner of non-home paths to root, remove write permissions, and set execute where required
 # these files are created on container first exec, by the default user, so we have to create them since default will not have write perm
 RUN touch $STARTUPDIR/wm.log \
@@ -158,6 +167,7 @@ RUN touch $STARTUPDIR/wm.log \
     && chmod 755 $STARTUPDIR/webcam/kasm_webcam_server \
     && chmod 755 $STARTUPDIR/generate_container_user \
     && chmod 755 $STARTUPDIR/printer/kasm_printer_service \
+    && chmod 755 $STARTUPDIR/recorder/kasm_recorder_service \
     && chmod +x $STARTUPDIR/jsmpeg/kasm_audio_out-linux \
     && rm -rf $STARTUPDIR/install \
     && mkdir -p $STARTUPDIR/kasmrx/Downloads \

src/common/scripts/kasm_hook_scripts/kasm_recorder_lifecycle_root.sh

@@ -0,0 +1,31 @@
+#!/bin/bash
+
+action=$1
+
+pid=$(pgrep -f '^/dockerstartup/recorder/kasm_recorder_service')
+
+case $action in
+  "stop"|"pause")
+    if [ -z "$pid" ]; then
+        echo "No recording process found."
+        exit 0
+    fi
+
+    kill -s SIGINT $pid
+    while [ ! -f "/tmp/kasm_recorder.ack" ]; do
+      sleep 1
+    done
+    ;;
+  "resume")
+    if [ ! -z "$pid" ]; then
+        echo "Recording process already running."
+        exit 0
+    fi
+    kill `pgrep -f "kasm_recorder_startup.sh"`
+    /dockerstartup/kasm_recorder_startup.sh &
+    ;;
+  *)
+    echo "Usage: $0 {stop|pause|resume}"
+    exit 1
+    ;;
+esac

src/common/scripts/kasm_hook_scripts/kasm_recorder_startup.sh

@@ -0,0 +1,18 @@
+#!/bin/bash
+set -e
+
+mkdir -p /opt/kasm/recordings
+sudo chown kasm-recorder:kasm-recorder /opt/kasm/recordings
+sudo chmod 700 /opt/kasm/recordings
+
+# wait until X display is avaiable and allow the recorder to connect to it
+while ! xhost +SI:localuser:kasm-recorder 2>/dev/null; do
+    sleep 1
+done
+
+rm -rf /tmp/kasm_recorder.ack
+
+while [ ! -f "/tmp/kasm_recorder.ack" ]; do
+    runuser -m kasm-recorder -c "$STARTUPDIR/recorder/kasm_recorder_service --debug 1 --directory /opt/kasm/recordings/ --log /tmp/recorder.log" || true
+    sleep 1
+done

src/ubuntu/install/recorder/install_recorder.sh

@@ -0,0 +1,13 @@
+#!/usr/bin/env bash
+### every exit != 0 fails the script
+set -e
+
+COMMIT_ID="b9f195d8aac56b3127be9083470bddc360e30377"
+BRANCH="main"
+COMMIT_ID_SHORT=$(echo "${COMMIT_ID}" | cut -c1-6)
+
+ARCH=$(arch | sed 's/aarch64/arm64/g' | sed 's/x86_64/amd64/g')
+
+mkdir -p $STARTUPDIR/recorder
+wget -qO- https://kasmweb-build-artifacts.s3.amazonaws.com/kasm_recorder_service/${COMMIT_ID}/kasm_recorder_service_${ARCH}_${BRANCH}.${COMMIT_ID_SHORT}.tar.gz | tar -xvz -C $STARTUPDIR/recorder/
+echo "${BRANCH}:${COMMIT_ID}" > $STARTUPDIR/recorder/kasm_recorder_service.version