Add alternative kill commands for OpenShift (#4609)

* remove extraneous escape characters for memory hog experiment

Signed-off-by: alininja <[email protected]>

* remove extraneous escape characters for cpu hog experiment

Signed-off-by: alininja <[email protected]>

* fix suggested alternative command in tuneables table as well

Signed-off-by: alininja <[email protected]>

---------

Signed-off-by: alininja <[email protected]>

Author: alininja

mkdocs/docs/experiments/categories/pods/pod-cpu-hog-exec.md

@@ -166,7 +166,7 @@
       <tr>
         <td> CHAOS_KILL_COMMAND </td>
         <td> The command to kill the chaos process</td>
-        <td> Default to <code>kill $(find /proc -name exe -lname '*/md5sum' 2>&1 | grep -v 'Permission denied' | awk -F/ '{print $(NF-1)}')</code>. Another useful one that generally works (in case the default doesn't) is <code>kill -9 $(ps afx | grep \"[md5sum] /dev/zero\" | awk '{print$1}' | tr '\n' ' ')</code>. In case neither works, please check whether the target pod's base image offers a shell. If yes, identify appropriate shell command to kill the chaos process </td>
+        <td> Default to <code>kill $(find /proc -name exe -lname '*/md5sum' 2>&1 | grep -v 'Permission denied' | awk -F/ '{print $(NF-1)}')</code>. Another useful one that generally works (in case the default doesn't) is <code>kill -9 $(ps afx | grep "[md5sum] /dev/zero" | awk '{print $1}' | tr '\n' ' ')</code>. In case neither works, please check whether the target pod's base image offers a shell. If yes, identify appropriate shell command to kill the chaos process </td>
       </tr>
       <tr>
         <td> RAMP_TIME </td>
@@ -253,7 +253,7 @@ spec:
         - name: CHAOS_INJECT_COMMAND
           value: 'md5sum /dev/zero'
         # command to kill the md5sum process
-        # alternative command: "kill -9 $(ps afx | grep \"[md5sum] /dev/zero\" | awk '{print$1}' | tr '\n' ' ')"
+        # alternative command: "kill -9 $(ps afx | grep "[md5sum] /dev/zero" | awk '{print $1}' | tr '\n' ' ')"
         - name: CHAOS_KILL_COMMAND
           value: "kill $(find /proc -name exe -lname '*/md5sum' 2>&1 | grep -v 'Permission denied' | awk -F/ '{print $(NF-1)}')"
         - name: TOTAL_CHAOS_DURATION

mkdocs/docs/experiments/categories/pods/pod-memory-hog-exec.md

@@ -155,7 +155,7 @@
       <tr>
         <td> CHAOS_KILL_COMMAND </td>
         <td> The command to kill the chaos process </td>
-        <td> Defaults to <code>kill $(find /proc -name exe -lname '*/dd' 2>&1 | grep -v 'Permission denied' | awk -F/ '{print $(NF-1)}' | head -n 1)</code>. Another useful one that generally works (in case the default doesn't) is <code>kill -9 $(ps afx | grep \"[dd] if=/dev/zero\" | awk '{print $1}' | tr '\n' ' ')</code>. In case neither works, please check whether the target pod's base image offers a shell. If yes, identify appropriate shell command to kill the chaos process </td>
+        <td> Defaults to <code>kill $(find /proc -name exe -lname '*/dd' 2>&1 | grep -v 'Permission denied' | awk -F/ '{print $(NF-1)}' | head -n 1)</code>. Another useful one that generally works (in case the default doesn't) is <code>kill -9 $(ps afx | grep "[dd] if=/dev/zero" | awk '{print $1}' | tr '\n' ' ')</code>. In case neither works, please check whether the target pod's base image offers a shell. If yes, identify appropriate shell command to kill the chaos process </td>
       </tr>
       <tr>
         <td> PODS_AFFECTED_PERC </td>
@@ -245,7 +245,7 @@ spec:
       components:
         env:
         # command to kill the dd process
-        # alternative command: "kill -9 $(ps afx | grep \"[dd] if=/dev/zero\" | awk '{print $1}' | tr '\n' ' ')"
+        # alternative command: "kill -9 $(ps afx | grep "[dd] if=/dev/zero" | awk '{print $1}' | tr '\n' ' ')"
         - name: CHAOS_KILL_COMMAND
           value: "kill $(find /proc -name exe -lname '*/dd' 2>&1 | grep -v 'Permission denied' | awk -F/ '{print $(NF-1)}' | head -n 1)"
         - name: TOTAL_CHAOS_DURATION