Refactor Asterisk installation process (#9429)

Refactor Asterisk installation script to fetch versions directly from Asterisk download URLs and streamline dependency installation.

install/asterisk-install.sh

@@ -13,64 +13,6 @@ setting_up_container
 network_check
 update_os
 
-ASTERISK_VERSIONS_URL="https://www.asterisk.org/downloads/asterisk/all-asterisk-versions/"
-html=$(curl -fsSL "$ASTERISK_VERSIONS_URL")
-
-LTS_VERSION=""
-for major in 20 22 24 26; do
-  block=$(echo "$html" | awk "/Asterisk $major - LTS/,/<ul>/" || true)
-  ver=$(echo "$block" | grep -oE 'Download Latest - [0-9]+\.[0-9]+(\.[0-9]+)?' | head -n1 | sed -E 's/.* - //' || true)
-  if [ -n "$ver" ]; then
-    LTS_VERSION="$LTS_VERSION $ver"
-  fi
-  unset ver block
-done
-LTS_VERSION=$(echo "$LTS_VERSION" | xargs | tr ' ' '\n' | sort -V | tail -n1)
-
-STD_VERSION=""
-for major in 21 23 25 27; do
-  block=$(echo "$html" | grep -A 20 "Asterisk $major</h3>" | head -n 20 || true)
-  ver=$(echo "$block" | grep -oE 'Download (Latest - )?'"$major"'\.[0-9]+\.[0-9]+' | head -n1 | sed -E 's/Download (Latest - )?//' || true)
-  if [ -n "$ver" ]; then
-    STD_VERSION="$STD_VERSION $ver"
-  fi
-  unset ver block
-done
-STD_VERSION=$(echo "$STD_VERSION" | xargs | tr ' ' '\n' | sort -V | tail -n1)
-
-cert_block=$(echo "$html" | awk '/Certified Asterisk/,/<ul>/')
-CERT_VERSION=$(echo "$cert_block" | grep -oE 'Download Latest - [0-9]+\.[0-9]+-cert[0-9]+' | head -n1 | sed -E 's/.* - //' || true)
-
-cat <<EOF
-Choose Asterisk version to install:
-1) Latest Standard ($STD_VERSION)
-2) Latest LTS ($LTS_VERSION)
-3) Latest Certified ($CERT_VERSION)
-EOF
-read -rp "Enter choice [1-3]: " ASTERISK_CHOICE
-
-CERTIFIED=0
-case "$ASTERISK_CHOICE" in
-2)
-  ASTERISK_VERSION="$LTS_VERSION"
-  ;;
-3)
-  ASTERISK_VERSION="$CERT_VERSION"
-  CERTIFIED=1
-  ;;
-*)
-  ASTERISK_VERSION="$STD_VERSION"
-  ;;
-esac
-
-if [[ "$CERTIFIED" == "1" ]]; then
-  RELEASE="certified-asterisk-${ASTERISK_VERSION}.tar.gz"
-  DOWNLOAD_URL="https://downloads.asterisk.org/pub/telephony/certified-asterisk/$RELEASE"
-else
-  RELEASE="asterisk-${ASTERISK_VERSION}.tar.gz"
-  DOWNLOAD_URL="https://downloads.asterisk.org/pub/telephony/asterisk/$RELEASE"
-fi
-
 msg_info "Installing Dependencies"
 $STD apt install -y \
   libsrtp2-dev \
@@ -82,7 +24,54 @@ $STD apt install -y \
   libsqlite3-dev
 msg_ok "Installed Dependencies"
 
-msg_info "Downloading Asterisk"
+msg_info "Fetching Asterisk Versions"
+ASTERISK_LIST=$(curl -fsSL https://downloads.asterisk.org/pub/telephony/asterisk/ \
+  | grep -oE 'asterisk-[0-9]+\.[0-9]+\.[0-9]+\.tar\.gz' \
+  | sed 's/asterisk-//' \
+  | sed 's/\.tar\.gz//' \
+  | sort -V)
+# LTS: Major 20, 22, 24, 26
+LTS_VERSION=$(echo "$ASTERISK_LIST" | grep -E '^2(0|2|4|6)\.' | tail -n1 || true)
+# Standard: Major 21, 23, 25, 27
+STD_VERSION=$(echo "$ASTERISK_LIST" | grep -E '^2(1|3|5|7)\.' | tail -n1 || true)
+CERT_VERSION=$(curl -fsSL https://downloads.asterisk.org/pub/telephony/certified-asterisk/ \
+  | grep -oE 'asterisk-certified-[0-9]+\.[0-9]+-cert[0-9]+\.tar\.gz' \
+  | sed -E 's/asterisk-certified-//' \
+  | sed -E 's/\.tar\.gz//' \
+  | sort -V | tail -n1 || true)
+msg_ok "Fetched Versions"
+
+cat <<EOF
+Choose Asterisk version to install:
+1) Latest Standard ($STD_VERSION)
+2) Latest LTS ($LTS_VERSION)
+3) Latest Certified ($CERT_VERSION)
+EOF
+read -rp "Enter choice [1-3]: " ASTERISK_CHOICE
+
+CERTIFIED=0
+case "$ASTERISK_CHOICE" in
+  2)
+    ASTERISK_VERSION="$LTS_VERSION"
+    ;;
+  3)
+    ASTERISK_VERSION="$CERT_VERSION"
+    CERTIFIED=1
+    ;;
+  *)
+    ASTERISK_VERSION="$STD_VERSION"
+    ;;
+esac
+
+if [[ "$CERTIFIED" == "1" ]]; then
+  RELEASE="asterisk-certified-${ASTERISK_VERSION}.tar.gz"
+  DOWNLOAD_URL="https://downloads.asterisk.org/pub/telephony/certified-asterisk/$RELEASE"
+else
+  RELEASE="asterisk-${ASTERISK_VERSION}.tar.gz"
+  DOWNLOAD_URL="https://downloads.asterisk.org/pub/telephony/asterisk/$RELEASE"
+fi
+
+msg_info "Downloading Asterisk ($RELEASE)"
 temp_file=$(mktemp)
 curl -fsSL "$DOWNLOAD_URL" -o "$temp_file"
 mkdir -p /opt/asterisk
@@ -107,4 +96,3 @@ msg_ok "Installed Asterisk"
 motd_ssh
 customize
 cleanup_lxc
-