Adding self installation command for fabrica

.packer/provisioning/common.sh

@@ -0,0 +1,51 @@
+#!/bin/sh
+
+#
+# downloadArchive
+# ${1} : The download url
+# ${2} : the checksum
+# ${3} : the filename of download target
+# ${4} : the checksum command to use (default sha256sum)
+#
+downloadArchive(){
+    url=${1}
+    sum=${2}
+    archive=${3}
+    if [ -n ${4} ]
+    then
+        checkCmd=${4}
+    else
+        checkCmd="sha256sum"
+    fi
+
+    wget -q ${url}
+    set +e
+    echo "${sum} ${archive}" | ${checkCmd} -cs
+    if [ ${?} ]
+    then
+        set -e
+        return 0
+    else
+        set -e
+        return 2
+    fi
+}
+
+extractArchiveXZ(){
+    source=${1}
+    destination=${2}
+    cmd="tar xzvf"
+
+    if [ ! -d ${destination} ]
+    then
+       mkdir -p ${destination}
+    fi
+    ${cmd} ${source} -C ${destination}
+    return ${?}
+}
+
+cleanUpImage(){
+    rm -rf /var/cache/apk/*
+    rm -rf /tmp/*
+    rm -rf /root/.ssh
+}