[coreos] Adding warning/failover to 'status' command to prevent socke…

…t connection refused.
DataDog · Jul 22, 2015 · a5dda4a · a5dda4a
1 parent 28333fa
commit a5dda4a
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Showing 2 changed files with 29 additions and 2 deletions.
diff --git a/packaging/centos/datadog-agent.init b/packaging/centos/datadog-agent.init
@@ -167,7 +167,20 @@ case "$1" in
         restart
         ;;
     status)
-        check_status
+        # Note: sh does not support arrays
+        # Check for kernel version 3.18+ - overlayfs has known bug affecting unix domain sockets
+        major=$(echo "$( uname -r )" | cut -d"." -f1)
+        minor=$(echo "$( uname -r )" | cut -d"." -f2)
+        # If major version 3, and minor version 18+, OR major version 4+
+        if ( [ $major -eq 3 ] && [ $minor -ge 18 ] ) || [ $major -gt 3 ]; then
+            RED='\033[0;31m' # Red Text
+            NC='\033[0m' # No Color
+            echo "${RED}Warning: Known bug in Linux Kernel 3.18+ causes 'status' to fail.${NC}"
+            echo "Calling 'info', instead..."
+            service datadog-agent info
+        else
+            check_status
+        fi
         ;;
     info)
         info "$@"

diff --git a/packaging/debian/datadog-agent.init b/packaging/debian/datadog-agent.init
@@ -134,7 +134,21 @@ case "$1" in
         ;;
 
     status)
-        check_status
+        # Note: sh does not support arrays
+        # Check for kernel version 3.18+ - overlayfs has known bug affecting unix domain sockets
+        major=$(echo "$( uname -r )" | cut -d"." -f1)
+        minor=$(echo "$( uname -r )" | cut -d"." -f2)
+        # If major version 3, and minor version 18+, OR major version 4+
+        if ( [ $major -eq 3 ] && [ $minor -ge 18 ] ) || [ $major -gt 3 ]; then
+            RED='\033[0;31m' # Red Text
+            NC='\033[0m' # No Color
+            echo "${RED}Warning: Known bug in Linux Kernel 3.18+ causes 'status' to fail.${NC}"
+            echo "Calling 'info', instead..."
+            service datadog-agent info
+        else
+            check_status
+        fi
+        exit $?
         ;;
 
     restart|force-reload)