diff --git a/agent/arex-agent-0.1.0.jar b/agent/arex-agent-0.1.0.jar
index e5d0e21..c650882 100644
Binary files a/agent/arex-agent-0.1.0.jar and b/agent/arex-agent-0.1.0.jar differ
diff --git a/agent/arex-agent-bootstrap-0.1.0.jar b/agent/arex-agent-bootstrap-0.1.0.jar
index e16078e..243149d 100644
Binary files a/agent/arex-agent-bootstrap-0.1.0.jar and b/agent/arex-agent-bootstrap-0.1.0.jar differ
diff --git a/install_script.sh b/install_script.sh
new file mode 100644
index 0000000..45079ce
--- /dev/null
+++ b/install_script.sh
@@ -0,0 +1,767 @@
+#!/bin/bash
+# (C) 2022-present
+# All rights reserved
+# Licensed under Simplified BSD License (see LICENSE)
+# Datadog Agent installation script: install and set up the Agent on supported Linux distributions
+# using the package manager and Datadog repositories.
+
+# set command to display and set shell variable
+# -e return value not equal zero, then exit from shell.
+set -e
+# define variable "= ", and use by $
+install_script_version=1.9.0
+logfile="ddagent-install.log"
+support_email=support@datadoghq.com
+
+LEGACY_ETCDIR="/etc/dd-agent"
+LEGACY_CONF="$LEGACY_ETCDIR/datadog.conf"
+
+# DATADOG_APT_KEY_CURRENT.public always contains key used to sign current
+# repodata and newly released packages
+# DATADOG_APT_KEY_382E94DE.public expires in 2022
+# DATADOG_APT_KEY_F14F620E.public expires in 2032
+# Shell array
+APT_GPG_KEYS=("DATADOG_APT_KEY_CURRENT.public" "DATADOG_APT_KEY_F14F620E.public" "DATADOG_APT_KEY_382E94DE.public")
+
+# DATADOG_RPM_KEY_CURRENT.public always contains key used to sign current
+# repodata and newly released packages
+# DATADOG_RPM_KEY_E09422B3.public expires in 2022
+# DATADOG_RPM_KEY_FD4BF915.public expires in 2024
+RPM_GPG_KEYS=("DATADOG_RPM_KEY_CURRENT.public" "DATADOG_RPM_KEY_E09422B3.public" "DATADOG_RPM_KEY_FD4BF915.public")
+
+# RPM_GPG_KEYS_A6 contains keys we only install for the A6 repo.
+# DATADOG_RPM_KEY.public is only useful to install old (< 6.14) Agent packages.
+RPM_GPG_KEYS_A6=("DATADOG_RPM_KEY.public")
+
+# Set up a named pipe for logging
+npipe=/tmp/$$.tmp
+# mknod命令用于创建Linux中的字符设备文件（c）和块设备（b）
+mknod $npipe p
+
+# shell函数
+# $@表示函数的所有参数，$?表示函数的退出状态（返回值）。
+
+# Log all output to a log for error checking
+# tee  tee命令作用可以用字母T来形象地表示。它把输出的一个副本输送到标准输出，另一个副本拷贝到相应的文件中。如果希望在看到输出的同时，也将其存入一个文件，那么这个命令再合适不过了。
+#      它的一般形式为：tee -a files 其中，- a表示追加到文件末尾。
+tee <$npipe $logfile &
+# bash内置命令 0表示标准输入,1是标准输出,2是错误输出,3-9是空白描述符
+exec 1>&-
+exec 1>$npipe 2>&1
+# trap是一个可以设置接收信号类型，然后执行你给出的命令的命令
+trap 'rm -f $npipe' EXIT
+
+function fallback_msg(){
+  printf "
+If you are still having problems, please send an email to $support_email
+with the contents of $logfile and any information you think would be
+useful and we will do our very best to help you solve your problem.\n"
+}
+
+# 上报err
+function report(){
+  if curl -f -s \
+    --data-urlencode "os=${OS}" \
+    --data-urlencode "version=${agent_major_version}" \
+    --data-urlencode "log=$(cat $logfile)" \
+    --data-urlencode "email=${email}" \
+    --data-urlencode "apikey=${apikey}" \
+    "$report_failure_url"; then
+   printf "A notification has been sent to Datadog with the contents of $logfile\n"
+  else
+    printf "Unable to send the notification (curl v7.18 or newer is required)"
+  fi
+}
+
+function on_read_error() {
+  printf "Timed out or input EOF reached, assuming 'No'\n"
+  yn="n"
+}
+
+function get_email() {
+  emaillocalpart='^[a-zA-Z0-9][a-zA-Z0-9._%+-]{0,63}'
+  hostnamepart='[a-zA-Z0-9.-]+\.[a-zA-Z]+'
+  email_regex="$emaillocalpart@$hostnamepart"
+  cntr=0
+  until [[ "$cntr" -eq 3 ]]
+  do
+      read -p "Enter an email address so we can follow up: " -r email
+      if [[ "$email" =~ $email_regex ]]; then
+        isEmailValid=true
+        break
+      else
+        ((cntr=cntr+1))
+        echo -e "\033[33m($cntr/3) Email address invalid: $email\033[0m\n"
+      fi
+  done
+}
+
+function on_error() {
+    printf "\033[31m$ERROR_MESSAGE
+It looks like you hit an issue when trying to install the $nice_flavor.
+
+Troubleshooting and basic usage information for the $nice_flavor are available at:
+
+    https://docs.datadoghq.com/agent/basic_agent_usage/\n\033[0m\n"
+
+    # tty -s 查询终端机的文件名称 -s是只回传不显示
+    if ! tty -s; then
+      fallback_msg
+      exit 1;
+    fi
+
+    if [ "$site" == "ddog-gov.com" ]; then
+      fallback_msg
+      exit 1;
+    fi
+
+    while true; do
+        # read通过终端给变量赋值
+        read -t 60 -p  "Do you want to send a failure report to Datadog (including $logfile)? (y/[n]) " -r yn || on_read_error
+        case $yn in
+          [Yy]* )
+            get_email
+            if [[ -n "$isEmailValid" ]]; then
+              report
+            fi
+            fallback_msg
+            break;;
+          [Nn]*|"" )
+            fallback_msg
+            break;;
+          * )
+            printf "Please answer yes or no.\n"
+            ;;
+        esac
+    done
+}
+trap on_error ERR
+
+function verify_agent_version(){
+    local ver_separator="$1"
+    if [ -z "$agent_version_custom" ]; then
+        echo -e "
+  \033[33mWarning: Specified version not found: $agent_major_version.$agent_minor_version
+  Check available versions at: https://github.com/DataDog/datadog-agent/blob/main/CHANGELOG.rst\033[0m"
+        fallback_msg
+        exit 1;
+    else
+        agent_flavor+="$ver_separator$agent_version_custom"
+    fi
+}
+
+echo -e "\033[34m\n* Datadog Agent install script v${install_script_version}\n\033[0m"
+
+hostname=
+if [ -n "$DD_HOSTNAME" ]; then
+    hostname=$DD_HOSTNAME
+fi
+
+site=
+if [ -n "$DD_SITE" ]; then
+    site="$DD_SITE"
+fi
+
+apikey=
+if [ -n "$DD_API_KEY" ]; then
+    apikey=$DD_API_KEY
+fi
+
+no_start=
+if [ -n "$DD_INSTALL_ONLY" ]; then
+    no_start=true
+fi
+
+host_tags=
+# comma-separated list of tags
+if [ -n "$DD_HOST_TAGS" ]; then
+    host_tags=$DD_HOST_TAGS
+fi
+
+if [ -n "$REPO_URL" ]; then
+    repository_url=$REPO_URL
+else
+    repository_url="datadoghq.com"
+fi
+
+if [ -n "$TESTING_KEYS_URL" ]; then
+  keys_url=$TESTING_KEYS_URL
+else
+  keys_url="keys.datadoghq.com"
+fi
+
+if [ -n "$TESTING_YUM_URL" ]; then
+  yum_url=$TESTING_YUM_URL
+else
+  yum_url="yum.${repository_url}"
+fi
+
+# We turn off `repo_gpgcheck` for custom REPO_URL, unless explicitly turned
+# on via DD_RPM_REPO_GPGCHECK.
+# There is more logic for redhat/suse in their specific code branches below
+rpm_repo_gpgcheck=
+if [ -n "$DD_RPM_REPO_GPGCHECK" ]; then
+    rpm_repo_gpgcheck=$DD_RPM_REPO_GPGCHECK
+else
+    if [ -n "$REPO_URL" ]; then
+        rpm_repo_gpgcheck=0
+    fi
+fi
+
+if [ -n "$TESTING_APT_URL" ]; then
+  apt_url=$TESTING_APT_URL
+else
+  apt_url="apt.${repository_url}"
+fi
+
+upgrade=
+if [ -n "$DD_UPGRADE" ]; then
+  upgrade=$DD_UPGRADE
+fi
+
+agent_flavor="datadog-agent"
+if [ -n "$DD_AGENT_FLAVOR" ]; then
+    agent_flavor=$DD_AGENT_FLAVOR #Eg: datadog-iot-agent
+fi
+
+declare -A flavor_to_readable
+flavor_to_readable=(
+    ["datadog-agent"]="Datadog Agent"
+    ["datadog-iot-agent"]="Datadog IoT Agent"
+    ["datadog-dogstatsd"]="Datadog Dogstatsd"
+    ["datadog-heroku-agent"]="Datadog Heroku Agent"
+)
+nice_flavor=${flavor_to_readable[$agent_flavor]}
+
+if [ -z "$nice_flavor" ]; then
+    echo -e "\033[33mUnknown DD_AGENT_FLAVOR \"$agent_flavor\"\033[0m"
+    fallback_msg
+    exit 1;
+fi
+
+declare -A flavor_to_system_service
+flavor_to_system_service=(
+    ["datadog-dogstatsd"]="datadog-dogstatsd"
+)
+system_service=${flavor_to_system_service[$agent_flavor]:-datadog-agent}
+
+declare -A flavor_to_etcdir
+flavor_to_etcdir=(
+    ["datadog-dogstatsd"]="/etc/datadog-dogstatsd"
+)
+etcdir=${flavor_to_etcdir[$agent_flavor]:-/etc/datadog-agent}
+
+declare -A flavor_to_config
+flavor_to_config=(
+    ["datadog-dogstatsd"]="$etcdir/dogstatsd.yaml"
+)
+config_file=${flavor_to_config[$agent_flavor]:-$etcdir/datadog.yaml}
+
+agent_major_version=6
+if [ -n "$DD_AGENT_MAJOR_VERSION" ]; then
+  if [ "$DD_AGENT_MAJOR_VERSION" != "6" ] && [ "$DD_AGENT_MAJOR_VERSION" != "7" ]; then
+    echo "DD_AGENT_MAJOR_VERSION must be either 6 or 7. Current value: $DD_AGENT_MAJOR_VERSION"
+    exit 1;
+  fi
+  agent_major_version=$DD_AGENT_MAJOR_VERSION
+else
+  if [ "$agent_flavor" == "datadog-agent" ] ; then
+    echo -e "\033[33mWarning: DD_AGENT_MAJOR_VERSION not set. Installing $nice_flavor version 6 by default.\033[0m"
+  else
+    echo -e "\033[33mWarning: DD_AGENT_MAJOR_VERSION not set. Installing $nice_flavor version 7 by default.\033[0m"
+    agent_major_version=7
+  fi
+fi
+
+if [ -n "$DD_AGENT_MINOR_VERSION" ]; then
+  # Examples:
+  #  - 20   = defaults to highest patch version x.20.2
+  #  - 20.0 = sets explicit patch version x.20.0
+  # Note: Specifying an invalid minor version will terminate the script.
+  agent_minor_version=$DD_AGENT_MINOR_VERSION
+  # remove the patch version if the minor version includes it (eg: 33.1 -> 33)
+  agent_minor_version_without_patch="${agent_minor_version%.*}"
+fi
+
+agent_dist_channel=stable
+if [ -n "$DD_AGENT_DIST_CHANNEL" ]; then
+  if [ "$repository_url" == "datadoghq.com" ]; then
+    if [ "$DD_AGENT_DIST_CHANNEL" != "stable" ] && [ "$DD_AGENT_DIST_CHANNEL" != "beta" ]; then
+      echo "DD_AGENT_DIST_CHANNEL must be either 'stable' or 'beta'. Current value: $DD_AGENT_DIST_CHANNEL"
+      exit 1;
+    fi
+  elif [ "$DD_AGENT_DIST_CHANNEL" != "stable" ] && [ "$DD_AGENT_DIST_CHANNEL" != "beta" ] && [ "$DD_AGENT_DIST_CHANNEL" != "nightly" ]; then
+    echo "DD_AGENT_DIST_CHANNEL must be either 'stable', 'beta' or 'nightly' on custom repos. Current value: $DD_AGENT_DIST_CHANNEL"
+    exit 1;
+  fi
+  agent_dist_channel=$DD_AGENT_DIST_CHANNEL
+fi
+
+if [ -n "$TESTING_YUM_VERSION_PATH" ]; then
+  yum_version_path=$TESTING_YUM_VERSION_PATH
+else
+  yum_version_path="${agent_dist_channel}/${agent_major_version}"
+fi
+
+if [ -n "$TESTING_APT_REPO_VERSION" ]; then
+  apt_repo_version=$TESTING_APT_REPO_VERSION
+else
+  apt_repo_version="${agent_dist_channel} ${agent_major_version}"
+fi
+
+# 上报异常接口
+report_failure_url="https://api.datadoghq.com/agent_stats/report_failure"
+if [ -n "$DD_SITE" ]; then
+    report_failure_url="https://api.${DD_SITE}/agent_stats/report_failure"
+fi
+if [ -n "$TESTING_REPORT_URL" ]; then
+  report_failure_url=$TESTING_REPORT_URL
+fi
+
+if [ ! "$apikey" ]; then
+  # if it's an upgrade, then we will use the transition script
+  if [ ! "$upgrade" ] && [ ! -e "$config_file" ]; then
+    printf "\033[31mAPI key not available in DD_API_KEY environment variable.\033[0m\n"
+    exit 1;
+  fi
+fi
+
+if [[ `uname -m` == "armv7l" ]] && [[ $agent_flavor == "datadog-agent" ]]; then
+    printf "\033[31mThe full $nice_flavor isn't available for your architecture (armv7l).\nInstall the ${flavor_to_readable[datadog-iot-agent]} by setting DD_AGENT_FLAVOR='datadog-iot-agent'.\033[0m\n"
+    exit 1;
+fi
+
+# OS/Distro Detection
+# Try lsb_release, fallback with /etc/issue then uname command
+KNOWN_DISTRIBUTION="(Debian|Ubuntu|RedHat|CentOS|openSUSE|Amazon|Arista|SUSE|Rocky|AlmaLinux)"
+DISTRIBUTION=$(lsb_release -d 2>/dev/null | grep -Eo $KNOWN_DISTRIBUTION  || grep -Eo $KNOWN_DISTRIBUTION /etc/issue 2>/dev/null || grep -Eo $KNOWN_DISTRIBUTION /etc/Eos-release 2>/dev/null || grep -m1 -Eo $KNOWN_DISTRIBUTION /etc/os-release 2>/dev/null || uname -s)
+
+if [ "$DISTRIBUTION" = "Darwin" ]; then
+    printf "\033[31mThis script does not support installing on the Mac.
+
+Please use the 1-step script available at https://app.datadoghq.com/account/settings#agent/mac.\033[0m\n"
+    exit 1;
+
+elif [ -f /etc/debian_version ] || [ "$DISTRIBUTION" == "Debian" ] || [ "$DISTRIBUTION" == "Ubuntu" ]; then
+    OS="Debian"
+elif [ -f /etc/redhat-release ] || [ "$DISTRIBUTION" == "RedHat" ] || [ "$DISTRIBUTION" == "CentOS" ] || [ "$DISTRIBUTION" == "Amazon" ] || [ "$DISTRIBUTION" == "Rocky" ] || [ "$DISTRIBUTION" == "AlmaLinux" ]; then
+    OS="RedHat"
+# Some newer distros like Amazon may not have a redhat-release file
+elif [ -f /etc/system-release ] || [ "$DISTRIBUTION" == "Amazon" ]; then
+    OS="RedHat"
+# Arista is based off of Fedora14/18 but do not have /etc/redhat-release
+elif [ -f /etc/Eos-release ] || [ "$DISTRIBUTION" == "Arista" ]; then
+    OS="RedHat"
+# openSUSE and SUSE use /etc/SuSE-release or /etc/os-release
+elif [ -f /etc/SuSE-release ] || [ "$DISTRIBUTION" == "SUSE" ] || [ "$DISTRIBUTION" == "openSUSE" ]; then
+    OS="SUSE"
+fi
+
+if [[ "$agent_flavor" == "datadog-dogstatsd" ]]; then
+    if [[ `uname -m` == "armv7l" ]] || { [[ `uname -m` != "x86_64" ]] && [[ "$OS" != "Debian" ]]; }; then
+        printf "\033[31mThe $nice_flavor isn't available for your architecture.\033[0m\n"
+        exit 1;
+    fi
+    if  [[ "$OS" == "Debian" ]] && [[ `uname -m` == "aarch64" ]] && { [[ -n "$agent_minor_version" ]] && [[ "$agent_minor_version" -lt 35 ]]; }; then
+        printf "\033[31mThe $nice_flavor is only available since version 7.35.0 for your architecture.\033[0m\n"
+        exit 1;
+    fi
+fi
+
+# Root user detection
+if [ "$(echo "$UID")" = "0" ]; then
+    sudo_cmd=''
+else
+    sudo_cmd='sudo'
+fi
+
+# Install the necessary package sources
+if [ "$OS" = "RedHat" ]; then
+    if { [ "$DISTRIBUTION" == "Rocky" ] || [ "$DISTRIBUTION" == "AlmaLinux" ]; } && { [ -n "$agent_minor_version" ] && [ "$agent_minor_version" -lt 33 ]; } && ! echo "$agent_flavor" | grep '[0-9]' > /dev/null; then
+        echo -e "\033[33mA future version of $nice_flavor will support $DISTRIBUTION\n\033[0m"
+        exit;
+    fi
+    echo -e "\033[34m\n* Installing YUM sources for Datadog\n\033[0m"
+
+    UNAME_M=$(uname -m)
+    if [ "$UNAME_M" == "i686" ] || [ "$UNAME_M" == "i386" ] || [ "$UNAME_M" == "x86" ]; then
+        ARCHI="i386"
+    elif [ "$UNAME_M" == "aarch64" ]; then
+        ARCHI="aarch64"
+    else
+        ARCHI="x86_64"
+    fi
+
+    # Because of https://bugzilla.redhat.com/show_bug.cgi?id=1792506, we disable
+    # repo_gpgcheck on RHEL/CentOS 8.1
+    if [ -z "$rpm_repo_gpgcheck" ]; then
+        if grep -q "8\.1\(\b\|\.\)" /etc/redhat-release 2>/dev/null; then
+            rpm_repo_gpgcheck=0
+        else
+            rpm_repo_gpgcheck=1
+        fi
+    fi
+
+    if [ "$agent_major_version" -eq 7 ]; then
+      gpgkeys="https://${keys_url}/DATADOG_RPM_KEY_E09422B3.public"
+    else
+      gpgkeys="https://${keys_url}/DATADOG_RPM_KEY.public\n       https://${keys_url}/DATADOG_RPM_KEY_E09422B3.public"
+    fi
+
+    gpgkeys=''
+    separator='\n       '
+    for key_path in "${RPM_GPG_KEYS[@]}"; do
+      gpgkeys="${gpgkeys:+"${gpgkeys}${separator}"}https://${keys_url}/${key_path}"
+    done
+    if [ "$agent_major_version" -eq 6 ]; then
+      for key_path in "${RPM_GPG_KEYS_A6[@]}"; do
+        gpgkeys="${gpgkeys:+"${gpgkeys}${separator}"}https://${keys_url}/${key_path}"
+      done
+    fi
+
+    $sudo_cmd sh -c "echo -e '[datadog]\nname = Datadog, Inc.\nbaseurl = https://${yum_url}/${yum_version_path}/${ARCHI}/\nenabled=1\ngpgcheck=1\nrepo_gpgcheck=${rpm_repo_gpgcheck}\npriority=1\ngpgkey=${gpgkeys}' > /etc/yum.repos.d/datadog.repo"
+
+    printf "\033[34m* Installing the $nice_flavor package\n\033[0m\n"
+    $sudo_cmd yum -y clean metadata
+
+    dnf_flag=""
+    if [ -f "/etc/fedora-release" ] && [ -f "/usr/bin/dnf" ]; then
+      # On Fedora, yum is an alias of dnf, dnf install doesn't
+      # upgrade a package if a newer version is available, unless
+      # the --best flag is set
+      dnf_flag="--best"
+    fi
+
+    if [ -n "$agent_minor_version" ]; then
+        # Example: datadog-agent-7.20.2-1
+        pkg_pattern="$agent_major_version\.${agent_minor_version%.}(\.[[:digit:]]+){0,1}(-[[:digit:]])?"
+        agent_version_custom="$(yum -y --disablerepo=* --enablerepo=datadog list --showduplicates datadog-agent | sort -r | grep -E "$pkg_pattern" -om1)" || true
+        verify_agent_version "-"
+    fi
+    echo -e "  \033[33mInstalling package: $agent_flavor\n\033[0m"
+
+    $sudo_cmd yum -y --disablerepo='*' --enablerepo='datadog' install $dnf_flag "$agent_flavor" || $sudo_cmd yum -y install $dnf_flag "$agent_flavor"
+
+elif [ "$OS" = "Debian" ]; then
+    apt_trusted_d_keyring="/etc/apt/trusted.gpg.d/datadog-archive-keyring.gpg"
+    apt_usr_share_keyring="/usr/share/keyrings/datadog-archive-keyring.gpg"
+
+    printf "\033[34m\n* Installing apt-transport-https, curl and gnupg\n\033[0m\n"
+    $sudo_cmd apt-get update || printf "\033[31m'apt-get update' failed, the script will not install the latest version of apt-transport-https.\033[0m\n"
+    # installing curl might trigger install of additional version of libssl; this will fail the installation process,
+    # see https://unix.stackexchange.com/q/146283 for reference - we use DEBIAN_FRONTEND=noninteractive to fix that
+    if [ -z "$sudo_cmd" ]; then
+        # if $sudo_cmd is empty, doing `$sudo_cmd X=Y command` fails with
+        # `X=Y: command not found`; therefore we don't prefix the command with
+        # $sudo_cmd at all in this case
+        DEBIAN_FRONTEND=noninteractive apt-get install -y apt-transport-https curl gnupg
+    else
+        $sudo_cmd DEBIAN_FRONTEND=noninteractive apt-get install -y apt-transport-https curl gnupg
+    fi
+    printf "\033[34m\n* Installing APT package sources for Datadog\n\033[0m\n"
+    $sudo_cmd sh -c "echo 'deb [signed-by=${apt_usr_share_keyring}] https://${apt_url}/ ${apt_repo_version}' > /etc/apt/sources.list.d/datadog.list"
+
+    if [ ! -f $apt_usr_share_keyring ]; then
+        $sudo_cmd touch $apt_usr_share_keyring
+    fi
+    # ensure that the _apt user used on Ubuntu/Debian systems to read GPG keyrings
+    # can read our keyring
+    $sudo_cmd chmod a+r $apt_usr_share_keyring
+
+    for key in "${APT_GPG_KEYS[@]}"; do
+        $sudo_cmd curl --retry 5 -o "/tmp/${key}" "https://${keys_url}/${key}"
+        $sudo_cmd cat "/tmp/${key}" | $sudo_cmd gpg --import --batch --no-default-keyring --keyring "$apt_usr_share_keyring"
+    done
+
+    release_version="$(grep VERSION_ID /etc/os-release | cut -d = -f 2 | xargs echo | cut -d "." -f 1)"
+    if { [ "$DISTRIBUTION" == "Debian" ] && [ "$release_version" -lt 9 ]; } || \
+       { [ "$DISTRIBUTION" == "Ubuntu" ] && [ "$release_version" -lt 16 ]; }; then
+        # copy with -a to preserve file permissions
+        $sudo_cmd cp -a $apt_usr_share_keyring $apt_trusted_d_keyring
+    fi
+
+    if [ "$DISTRIBUTION" == "Debian" ] && [ "$release_version" -lt 8 ]; then
+      if [ -n "$agent_minor_version_without_patch" ]; then
+          if [ "$agent_minor_version_without_patch" -ge "36" ]; then
+              printf "\033[31mDebian < 8 only supports $nice_flavor %s up to %s.35.\033[0m\n" "$agent_major_version" "$agent_major_version"
+              exit;
+          fi
+      else
+          if ! echo "$agent_flavor" | grep '[0-9]' > /dev/null; then
+              echo -e "  \033[33m$nice_flavor $agent_major_version.35 is the last supported version on $DISTRIBUTION $release_version. Installing $agent_major_version.35 now.\n\033[0m"
+              agent_minor_version=35
+          fi
+      fi
+    fi
+
+    printf "\033[34m\n* Installing the $nice_flavor package\n\033[0m\n"
+    ERROR_MESSAGE="ERROR
+Failed to update the sources after adding the Datadog repository.
+This may be due to any of the configured APT sources failing -
+see the logs above to determine the cause.
+If the failing repository is Datadog, please contact Datadog support.
+*****
+"
+    $sudo_cmd apt-get update -o Dir::Etc::sourcelist="sources.list.d/datadog.list" -o Dir::Etc::sourceparts="-" -o APT::Get::List-Cleanup="0"
+    ERROR_MESSAGE="ERROR
+Failed to install the $agent_flavor package, sometimes it may be
+due to another APT source failing. See the logs above to
+determine the cause.
+If the cause is unclear, please contact Datadog support.
+*****
+"
+
+    if [ -n "$agent_minor_version" ]; then
+        # Example: datadog-agent=1:7.20.2-1
+        pkg_pattern="([[:digit:]]:)?$agent_major_version\.${agent_minor_version%.}(\.[[:digit:]]+){0,1}(-[[:digit:]])?"
+        agent_version_custom="$(apt-cache madison datadog-agent | grep -E "$pkg_pattern" -om1)" || true
+        verify_agent_version "="
+    fi
+    echo -e "  \033[33mInstalling package: $agent_flavor\n\033[0m"
+
+    $sudo_cmd apt-get install -y --force-yes "$agent_flavor" "datadog-signing-keys"
+    ERROR_MESSAGE=""
+elif [ "$OS" = "SUSE" ]; then
+  UNAME_M=$(uname -m)
+  if [ "$UNAME_M"  == "i686" ] || [ "$UNAME_M"  == "i386" ] || [ "$UNAME_M"  == "x86" ]; then
+      printf "\033[31mThe Datadog Agent installer is only available for 64 bit SUSE Enterprise machines.\033[0m\n"
+      exit;
+  elif [ "$UNAME_M"  == "aarch64" ]; then
+      ARCHI="aarch64"
+  else
+      ARCHI="x86_64"
+  fi
+
+  if [ -z "$rpm_repo_gpgcheck" ]; then
+      rpm_repo_gpgcheck=1
+  fi
+
+  # Try to guess if we're installing on SUSE 11, as it needs a different flow to work
+  # Note that SUSE11 doesn't have /etc/os-release file, so we have to use /etc/SuSE-release
+  if cat /etc/SuSE-release 2>/dev/null | grep VERSION | grep 11; then
+    SUSE11="yes"
+  fi
+
+  echo -e "\033[34m\n* Importing the Datadog GPG Keys\n\033[0m"
+  if [ "$SUSE11" == "yes" ]; then
+    # SUSE 11 special case
+    for key_path in "${RPM_GPG_KEYS[@]}"; do
+      $sudo_cmd curl -o "/tmp/${key_path}" "https://${keys_url}/${key_path}"
+      $sudo_cmd rpm --import "/tmp/${key_path}"
+    done
+    if [ "$agent_major_version" -eq 6 ]; then
+      for key_path in "${RPM_GPG_KEYS_A6[@]}"; do
+        $sudo_cmd curl -o "/tmp/${key_path}" "https://${keys_url}/${key_path}"
+        $sudo_cmd rpm --import "/tmp/${key_path}"
+      done
+    fi
+  else
+    for key_path in "${RPM_GPG_KEYS[@]}"; do
+      $sudo_cmd rpm --import "https://${keys_url}/${key_path}"
+    done
+    if [ "$agent_major_version" -eq 6 ]; then
+      for key_path in "${RPM_GPG_KEYS_A6[@]}"; do
+        $sudo_cmd rpm --import "https://${keys_url}/${key_path}"
+      done
+    fi
+  fi
+
+  # Parse the major version number out of the distro release info file. xargs is used to trim whitespace.
+  # NOTE: We use this to find out whether or not release version is >= 15, so we have to use /etc/os-release,
+  # as /etc/SuSE-release has been deprecated and is no longer present everywhere, e.g. in AWS AMI.
+  # See https://www.suse.com/releasenotes/x86_64/SUSE-SLES/15/#fate-324409
+  SUSE_VER=$(cat /etc/os-release 2>/dev/null | grep VERSION_ID | tr -d '"' | tr . = | cut -d = -f 2 | xargs echo)
+  gpgkeys="https://${keys_url}/DATADOG_RPM_KEY_CURRENT.public"
+  if [ -n "$SUSE_VER" ] && [ "$SUSE_VER" -ge 15 ] && [ "$SUSE_VER" -ne 42 ]; then
+    gpgkeys=''
+    separator='\n       '
+    for key_path in "${RPM_GPG_KEYS[@]}"; do
+      gpgkeys="${gpgkeys:+"${gpgkeys}${separator}"}https://${keys_url}/${key_path}"
+    done
+    if [ "$agent_major_version" -eq 6 ]; then
+      for key_path in "${RPM_GPG_KEYS_A6[@]}"; do
+        gpgkeys="${gpgkeys:+"${gpgkeys}${separator}"}https://${keys_url}/${key_path}"
+      done
+    fi
+  fi
+
+  echo -e "\033[34m\n* Installing YUM Repository for Datadog\n\033[0m"
+  $sudo_cmd sh -c "echo -e '[datadog]\nname=datadog\nenabled=1\nbaseurl=https://${yum_url}/suse/${yum_version_path}/${ARCHI}\ntype=rpm-md\ngpgcheck=1\nrepo_gpgcheck=${rpm_repo_gpgcheck}\ngpgkey=${gpgkeys}' > /etc/zypp/repos.d/datadog.repo"
+
+  echo -e "\033[34m\n* Refreshing repositories\n\033[0m"
+  $sudo_cmd zypper --non-interactive --no-gpg-checks refresh datadog
+
+  echo -e "\033[34m\n* Installing the $nice_flavor package\n\033[0m"
+
+  # ".32" is the latest version supported for OpenSUSE < 15 and SLES < 12
+  # we explicitly test for SUSE11 = "yes", as some SUSE11 don't have /etc/os-release, thus SUSE_VER is empty
+  if [ "$DISTRIBUTION" == "openSUSE" ] && { [ "$SUSE11" == "yes" ] || [ "$SUSE_VER" -lt 15 ]; }; then
+      if [ -n "$agent_minor_version_without_patch" ]; then
+          if [ "$agent_minor_version_without_patch" -ge "33" ]; then
+              printf "\033[31mopenSUSE < 15 only supports $nice_flavor %s up to %s.32.\033[0m\n" "$agent_major_version" "$agent_major_version"
+              exit;
+          fi
+      else
+          if ! echo "$agent_flavor" | grep '[0-9]' > /dev/null; then
+              echo -e "  \033[33m$nice_flavor $agent_major_version.32 is the last supported version on $DISTRIBUTION $SUSE_VER\n\033[0m"
+              agent_minor_version=32
+          fi
+      fi
+  fi
+  if [ "$DISTRIBUTION" == "SUSE" ] && { [ "$SUSE11" == "yes" ] || [ "$SUSE_VER" -lt 12 ]; }; then
+      if [ -n "$agent_minor_version_without_patch" ]; then
+          if [ "$agent_minor_version_without_patch" -ge "33" ]; then
+              printf "\033[31mSLES < 12 only supports $nice_flavor %s up to %s.32.\033[0m\n" "$agent_major_version" "$agent_major_version"
+              exit;
+          fi
+      else
+          if ! echo "$agent_flavor" | grep '[0-9]' > /dev/null; then
+              echo -e "  \033[33m$nice_flavor $agent_major_version.32 is the last supported version on $DISTRIBUTION $SUSE_VER\n\033[0m"
+              agent_minor_version=32
+          fi
+      fi
+  fi
+
+  if [ -n "$agent_minor_version" ]; then
+      # Example: datadog-agent-1:7.20.2-1
+      pkg_pattern="([[:digit:]]:)?$agent_major_version\.${agent_minor_version%.}(\.[[:digit:]]+){0,1}(-[[:digit:]])?"
+      agent_version_custom="$(zypper search -s datadog-agent | grep -E "$pkg_pattern" -om1)" || true
+      verify_agent_version "-"
+  fi
+  echo -e "  \033[33mInstalling package: $agent_flavor\n\033[0m"
+
+  if [ -z "$sudo_cmd" ]; then
+    ZYPP_RPM_DEBUG="${ZYPP_RPM_DEBUG:-0}" zypper --non-interactive install "$agent_flavor"
+  else
+    $sudo_cmd ZYPP_RPM_DEBUG="${ZYPP_RPM_DEBUG:-0}" zypper --non-interactive install "$agent_flavor"
+  fi
+
+else
+    printf "\033[31mYour OS or distribution are not supported by this install script.
+Please follow the instructions on the Agent setup page:
+
+    https://app.datadoghq.com/account/settings#agent\033[0m\n"
+    exit;
+fi
+
+if [ "$upgrade" ] && [ "$agent_flavor" != "datadog-dogstatsd" ]; then
+  if [ -e $LEGACY_CONF ]; then
+    # try to import the config file from the previous version
+    icmd="datadog-agent import $LEGACY_ETCDIR $etcdir"
+    # shellcheck disable=SC2086
+    $sudo_cmd $icmd || printf "\033[31mAutomatic import failed, you can still try to manually run: $icmd\n\033[0m\n"
+    # fix file owner and permissions since the script moves around some files
+    $sudo_cmd chown -R dd-agent:dd-agent "$etcdir"
+    $sudo_cmd find "$etcdir/" -type f -exec chmod 640 {} \;
+  else
+    printf "\033[31mYou don't have a datadog.conf file to convert.\n\033[0m\n"
+  fi
+fi
+
+# Set the configuration
+if [ -e "$config_file" ] && [ -z "$upgrade" ]; then
+  printf "\033[34m\n* Keeping old $config_file configuration file\n\033[0m\n"
+else
+  if [ ! -e "$config_file" ]; then
+    $sudo_cmd cp "$config_file.example" "$config_file"
+  fi
+  if [ "$apikey" ]; then
+    printf "\033[34m\n* Adding your API key to the $nice_flavor configuration: $config_file\n\033[0m\n"
+    $sudo_cmd sh -c "sed -i 's/api_key:.*/api_key: $apikey/' $config_file"
+  else
+    # If the import script failed for any reason, we might end here also in case
+    # of upgrade, let's not start the agent or it would fail because the api key
+    # is missing
+    if ! $sudo_cmd grep -q -E '^api_key: .+' "$config_file"; then
+      printf "\033[31mThe $nice_flavor won't start automatically at the end of the script because the Api key is missing, please add one in datadog.yaml and start the $nice_flavor manually.\n\033[0m\n"
+      no_start=true
+    fi
+  fi
+  if [ "$site" ]; then
+    printf "\033[34m\n* Setting SITE in the $nice_flavor configuration: $config_file\n\033[0m\n"
+    $sudo_cmd sh -c "sed -i 's/# site:.*/site: $site/' $config_file"
+  fi
+  if [ -n "$DD_URL" ]; then
+    printf "\033[34m\n* Setting DD_URL in the $nice_flavor configuration: $config_file\n\033[0m\n"
+    $sudo_cmd sh -c "sed -i 's|# dd_url:.*|dd_url: $DD_URL|' $config_file"
+  fi
+  if [ "$hostname" ]; then
+    printf "\033[34m\n* Adding your HOSTNAME to the $nice_flavor configuration: $config_file\n\033[0m\n"
+    $sudo_cmd sh -c "sed -i 's/# hostname:.*/hostname: $hostname/' $config_file"
+  fi
+  if [ "$host_tags" ]; then
+      printf "\033[34m\n* Adding your HOST TAGS to the $nice_flavor configuration: $config_file\n\033[0m\n"
+      formatted_host_tags="['""$( echo "$host_tags" | sed "s/,/','/g" )""']"  # format `env:prod,foo:bar` to yaml-compliant `['env:prod','foo:bar']`
+      $sudo_cmd sh -c "sed -i \"s/# tags:.*/tags: ""$formatted_host_tags""/\" $config_file"
+  fi
+  $sudo_cmd chown dd-agent:dd-agent "$config_file"
+  $sudo_cmd chmod 640 "$config_file"
+fi
+
+# Creating or overriding the install information
+install_info_content="---
+install_method:
+  tool: install_script
+  tool_version: install_script
+  installer_version: install_script-$install_script_version
+"
+$sudo_cmd sh -c "echo '$install_info_content' > $etcdir/install_info"
+
+# On SUSE 11, sudo service datadog-agent start fails (because /sbin is not in a base user's path)
+# However, sudo /sbin/service datadog-agent does work.
+# Use which (from root user) to find the absolute path to service
+
+service_cmd="service"
+if [ "$SUSE11" == "yes" ]; then
+  service_cmd=`$sudo_cmd which service`
+fi
+
+# Use /usr/sbin/service by default.
+# Some distros usually include compatibility scripts with Upstart or Systemd. Check with: `command -v service | xargs grep -E "(upstart|systemd)"`
+restart_cmd="$sudo_cmd $service_cmd $system_service restart"
+stop_instructions="$sudo_cmd $service_cmd $system_service stop"
+start_instructions="$sudo_cmd $service_cmd $system_service start"
+
+if [[ `$sudo_cmd ps --no-headers -o comm 1 2>&1` == "systemd" ]] && command -v systemctl 2>&1; then
+  # Use systemd if systemctl binary exists and systemd is the init process
+  restart_cmd="$sudo_cmd systemctl restart ${system_service}.service"
+  stop_instructions="$sudo_cmd systemctl stop $system_service"
+  start_instructions="$sudo_cmd systemctl start $system_service"
+elif /sbin/init --version 2>&1 | grep -q upstart; then
+  # Try to detect Upstart, this works most of the times but still a best effort
+  restart_cmd="$sudo_cmd stop $system_service || true ; sleep 2s ; $sudo_cmd start $system_service"
+  stop_instructions="$sudo_cmd stop $system_service"
+  start_instructions="$sudo_cmd start $system_service"
+fi
+
+if [ $no_start ]; then
+    printf "\033[34m
+* DD_INSTALL_ONLY environment variable set: the newly installed version of the
+$nice_flavor will not be started. You will have to do it manually using the
+following command:
+
+    $start_instructions
+
+\033[0m\n"
+    exit
+fi
+
+printf "\033[34m* Starting the $nice_flavor...\n\033[0m\n"
+eval "$restart_cmd"
+
+
+# Metrics are submitted, echo some instructions and exit
+printf "\033[32m
+
+Your $nice_flavor is running and functioning properly. It will continue
+to run in the background and submit metrics to Datadog.
+
+If you ever want to stop the $nice_flavor, run:
+
+    $stop_instructions
+
+And to run it again run:
+
+    $start_instructions
+
+\033[0m"
\ No newline at end of file