Merge pull request #18 from seeker89/fixes

Various fixes, mainly due to upgrading to Ubuntu 20.20

Author: seeker89

examples/killer-whiles/cereal_killer.sh

@@ -5,7 +5,7 @@ ps auxf | grep killer-whiles | grep python
 echo
 
 echo "Killing instance A (port 8001)"
-ps auxf | grep 8001 | awk '{system("sudo kill " $2)}'
+ps auxf | grep python | grep 8001 | awk '{system("sudo kill " $2)}'
 sleep 0.5
 systemctl status faas001_a --no-pager
 echo
@@ -15,7 +15,7 @@ sleep 2
 echo
 
 echo "Killing instance B (port 8002)"
-ps auxf | grep 8002 | awk '{system("sudo kill " $2)}'
+ps auxf | grep python | grep 8002 | awk '{system("sudo kill " $2)}'
 sleep 0.5
 systemctl status faas001_b --no-pager
 echo

examples/kubernetes/experiment2b.yml

@@ -0,0 +1,22 @@
+config:
+  runStrategy:
+    runs: 1
+scenarios:
+- name: Toxiproxy latency
+  steps:
+  - clone:
+      source:
+        deployment:
+          name: goldpinger
+          namespace: default
+      replicas: 2
+      mutations:
+        - toxiproxy:
+            toxics:
+              - targetProxy: "8080"
+                toxicType: latency
+                toxicAttributes:
+                  - name: latency
+                    value: 250
+  - wait:
+      seconds: 120

examples/poking-docker/new-filesystem.sh

@@ -11,6 +11,9 @@ echo "Step 2. Copy some (very) minimal binaries"
 for tool in $TOOLS; do
     cp -v --parents `which $tool` $NEW_FILESYSTEM_ROOT;
 done
+# link /bin/bash to /usr/bin/bash to match Ubuntu 20.20
+mkdir -p $NEW_FILESYSTEM_ROOT/bin
+ln -s ../usr/bin/bash $NEW_FILESYSTEM_ROOT/bin/bash
 
 echo "Step 3. Copy over their libs"
 # use ldd to find the dependencies of the tools we've just copied

vm/ansible/prerequisites/tasks/main.yml

@@ -179,13 +179,6 @@
     quit
     EOF
 
-- name: Make sure mysql database listens on all interfaces
-  become: true
-  lineinfile:
-    path: /lib/systemd/system/mysql.service
-    regexp: '^ExecStart='
-    line: 'ExecStart=/usr/sbin/mysqld --daemonize --pid-file=/run/mysqld/mysqld.pid --bind-address=0.0.0.0 --port=3306'
-
 # Stop services from starting on boot time
 - name: Disable auto-boot services
   become: true