New update for 32-bit ARM

zabbix-autoregister/deploy_zabbix_agent_linux_arm.sh

@@ -1,7 +1,9 @@
 #!/bin/bash
 #
-# Zabbix Agent 2 Deployment Script - Linux ARM (aarch64 / armhf)
+# Zabbix Agent 2 Deployment Script - Linux ARM (aarch64 / armhf / armv6)
 # Installs and configures Zabbix Agent 2 with PSK auto-registration
+# For armhf/armv6: falls back to Zabbix Agent (v1) since Agent 2 is not
+# available for 32-bit ARM (see ZBX-24905).
 # Target server: zabbix.snarfnet.net
 #
 # Usage: sudo bash deploy_zabbix_agent_linux_arm.sh [psk_key]
@@ -16,6 +18,7 @@ PSK_FILE="/etc/zabbix/zabbix_agent2.psk"
 AGENT_CONF="/etc/zabbix/zabbix_agent2.conf"
 HOST_METADATA="Linux"
 INSTALL_DIR="/opt/zabbix-agent2"
+USING_AGENT_V1=false
 
 # --- Functions ---
 
@@ -66,9 +69,11 @@ install_agent_package_manager() {
 
             # Zabbix provides separate repos for ARM architectures:
             #   - debian-arm64 / ubuntu-arm64 for aarch64 (Bookworm/Trixie+ only)
-            #   - raspbian for armhf (Raspberry Pi OS)
+            #   - raspbian for armhf (Raspberry Pi OS) — but NOTE: Zabbix 7.0 does NOT
+            #     ship zabbix-agent2 for armhf (see ZBX-24905). Only zabbix-agent (v1).
             # The standard debian/ubuntu repos only carry amd64.
             local repo_distro=""
+            local has_agent2=true
             case "${dpkg_arch}" in
                 arm64)
                     if [ "${OS_ID}" = "ubuntu" ]; then
@@ -79,6 +84,9 @@ install_agent_package_manager() {
                     ;;
                 armhf)
                     repo_distro="raspbian"
+                    # Zabbix 7.0 raspbian repo does NOT include zabbix-agent2 for armhf.
+                    # Only zabbix-agent (v1) is available.
+                    has_agent2=false
                     ;;
                 *)
                     log "Unexpected dpkg arch '${dpkg_arch}' on ARM script. Falling back to binary..."
@@ -103,8 +111,13 @@ install_agent_package_manager() {
             # then fall back to extracting from the bookworm .deb.
             case "${codename}" in
                 buster|bullseye|stretch|jessie)
-                    log "Zabbix arm64 apt repo not available for EOL release '${codename}'."
+                    if [ "${has_agent2}" = true ]; then
-                    log "Attempting install from Debian's own repositories..."
+                        log "Zabbix arm64 apt repo not available for EOL release '${codename}'."
+                        log "Attempting install from Debian's own repositories..."
+                    else
+                        log "Zabbix raspbian repo not available for EOL release '${codename}'."
+                        log "Attempting install from Debian's own repositories..."
+                    fi
 
                     # Disable defunct backports repos first
                     local backports_list
@@ -119,9 +132,19 @@ install_agent_package_manager() {
                     # Try installing from existing repos (Debian's own packages)
                     apt-get update 2>&1 | grep -v "^W:" || true
                     if apt-get install -y zabbix-agent2 2>/dev/null; then
-                        log "Installed from Debian repositories."
+                        log "Installed zabbix-agent2 from Debian repositories."
                         return 0
                     fi
+                    # On armhf, try zabbix-agent (v1) as well
+                    if [ "${has_agent2}" = false ]; then
+                        log "zabbix-agent2 not available. Trying zabbix-agent (v1)..."
+                        if apt-get install -y zabbix-agent 2>/dev/null; then
+                            log "Installed zabbix-agent (v1) from Debian repositories."
+                            AGENT_CONF="/etc/zabbix/zabbix_agentd.conf"
+                            USING_AGENT_V1=true
+                            return 0
+                        fi
+                    fi
 
                     log "Not available in Debian repos. Falling back to binary extraction..."
                     install_agent_binary
@@ -139,8 +162,9 @@ install_agent_package_manager() {
                 done
             fi
 
-            # Download and install the Zabbix release package for the ARM-specific repo
+            # Download and install the Zabbix release package for the ARM-specific repo.
-            local release_url="https://repo.zabbix.com/zabbix/7.0/${repo_distro}/pool/main/z/zabbix-release/zabbix-release_latest_7.0+${OS_ID}${OS_VERSION}_all.deb"
+            # URL format: zabbix-release_latest+debian12_all.deb (for both raspbian & debian-arm64)
+            local release_url="https://repo.zabbix.com/zabbix/7.0/${repo_distro}/pool/main/z/zabbix-release/zabbix-release_latest+debian${OS_VERSION}_all.deb"
             log "Adding Zabbix repository: ${repo_distro} (${codename})"
             log "Release package URL: ${release_url}"
 
@@ -157,11 +181,25 @@ install_agent_package_manager() {
 
                 dpkg -i /tmp/zabbix-release.deb
                 apt-get update
-                if apt-get install -y zabbix-agent2; then
+
+                # Try zabbix-agent2 first
+                if apt-get install -y zabbix-agent2 2>/dev/null; then
                     rm -f /tmp/zabbix-release.deb
-                    log "Package installation successful."
+                    log "zabbix-agent2 package installation successful."
                     return 0
                 fi
+
+                # On armhf, agent2 won't exist — fall back to zabbix-agent (v1)
+                if [ "${has_agent2}" = false ]; then
+                    log "zabbix-agent2 not available for armhf. Installing zabbix-agent (v1)..."
+                    if apt-get install -y zabbix-agent; then
+                        rm -f /tmp/zabbix-release.deb
+                        AGENT_CONF="/etc/zabbix/zabbix_agentd.conf"
+                        USING_AGENT_V1=true
+                        log "zabbix-agent (v1) package installation successful."
+                        return 0
+                    fi
+                fi
             fi
 
             log "Package manager install failed, falling back to binary tarball..."
@@ -175,20 +213,93 @@ install_agent_package_manager() {
     esac
 }
 
+install_agent_v1_armhf() {
+    # Zabbix 7.0 raspbian repo provides zabbix-agent (v1) for armhf but NOT agent2.
+    # This function installs agent v1 as a fallback for 32-bit ARM systems.
+    detect_os
+    local codename=""
+    if [ -f /etc/os-release ]; then
+        codename=$(. /etc/os-release && echo "${VERSION_CODENAME:-}")
+    fi
+
+    # Try adding the raspbian repo and installing zabbix-agent (v1)
+    local release_url="https://repo.zabbix.com/zabbix/7.0/raspbian/pool/main/z/zabbix-release/zabbix-release_latest+debian${OS_VERSION}_all.deb"
+    log "Trying Zabbix raspbian repo for zabbix-agent (v1)..."
+    log "Release URL: ${release_url}"
+
+    if wget -q "${release_url}" -O /tmp/zabbix-release.deb 2>/dev/null || \
+       curl -sfL "${release_url}" -o /tmp/zabbix-release.deb 2>/dev/null; then
+        if dpkg-deb --info /tmp/zabbix-release.deb >/dev/null 2>&1; then
+            dpkg -i /tmp/zabbix-release.deb 2>/dev/null || true
+            apt-get update 2>/dev/null || true
+            if apt-get install -y zabbix-agent 2>/dev/null; then
+                rm -f /tmp/zabbix-release.deb
+                AGENT_CONF="/etc/zabbix/zabbix_agentd.conf"
+                USING_AGENT_V1=true
+                log "Installed zabbix-agent (v1) successfully from raspbian repository."
+                return 0
+            fi
+        fi
+    fi
+    rm -f /tmp/zabbix-release.deb
+
+    # Also try installing directly if it's already in repos
+    if apt-get install -y zabbix-agent 2>/dev/null; then
+        AGENT_CONF="/etc/zabbix/zabbix_agentd.conf"
+        USING_AGENT_V1=true
+        log "Installed zabbix-agent (v1) from existing repositories."
+        return 0
+    fi
+
+    log "Could not install zabbix-agent (v1) either."
+    return 1
+}
+
 install_agent_binary() {
     log "Installing Zabbix Agent 2 from direct .deb package..."
 
     # Zabbix does not publish static binary tarballs for ARM architectures.
     # Strategy: download the .deb and extract the binary without running post-install
     # scripts (which try to start the service before we've configured it).
+    #
+    # IMPORTANT: Zabbix 7.0 only provides zabbix-agent2 for arm64, NOT armhf.
+    # For armhf/armv6 systems, we try arm64 .deb extraction (unlikely to work due to
+    # arch mismatch), then fall back to zabbix-agent (v1) from the raspbian repo,
+    # or suggest upgrading to a 64-bit OS.
 
     local deb_path="/tmp/zabbix_agent2.deb"
-    local pool_base="https://repo.zabbix.com/zabbix/7.0/debian-arm64/pool/main/z/zabbix"
+    local dpkg_arch
+    dpkg_arch=$(dpkg --print-architecture 2>/dev/null || echo "unknown")
+
+    # Select the correct pool and architecture for the .deb download
+    local pool_base=""
+    local deb_arch=""
+    case "${dpkg_arch}" in
+        arm64)
+            pool_base="https://repo.zabbix.com/zabbix/7.0/debian-arm64/pool/main/z/zabbix"
+            deb_arch="arm64"
+            ;;
+        armhf)
+            # Zabbix 7.0 does NOT publish agent2 for armhf. Try the raspbian pool
+            # for zabbix-agent (v1) first, then fall back to arm64 extraction attempt.
+            log "NOTE: Zabbix 7.0 does not provide zabbix-agent2 for armhf (32-bit ARM)."
+            log "Attempting to install zabbix-agent (v1) from raspbian repository..."
+            if install_agent_v1_armhf; then
+                return 0
+            fi
+            # Last resort: try arm64 binary (won't work on 32-bit kernel)
+            pool_base="https://repo.zabbix.com/zabbix/7.0/debian-arm64/pool/main/z/zabbix"
+            deb_arch="arm64"
+            ;;
+        *)
+            pool_base="https://repo.zabbix.com/zabbix/7.0/debian-arm64/pool/main/z/zabbix"
+            deb_arch="arm64"
+            ;;
+    esac
 
-    # Try bookworm (Debian 12) arm64 .deb
     local deb_urls=(
-        "${pool_base}/zabbix-agent2_${ZABBIX_VERSION}-1+debian12_arm64.deb"
+        "${pool_base}/zabbix-agent2_${ZABBIX_VERSION}-1+debian12_${deb_arch}.deb"
-        "${pool_base}/zabbix-agent2_${ZABBIX_VERSION}-1%2Bdebian12_arm64.deb"
+        "${pool_base}/zabbix-agent2_${ZABBIX_VERSION}-1%2Bdebian12_${deb_arch}.deb"
     )
 
     local downloaded=false
@@ -276,10 +387,18 @@ install_agent_binary() {
         # Clean up the broken install
         dpkg --remove --force-remove-reinstreq zabbix-agent2 2>/dev/null || true
 
+        # On armhf, try zabbix-agent (v1) before giving up
+        if [ "${dpkg_arch}" = "armhf" ]; then
+            log "Attempting zabbix-agent (v1) as final fallback..."
+            if install_agent_v1_armhf; then
+                return 0
+            fi
+        fi
+
         log "ERROR: Zabbix Agent 2 binary from Debian 12 is not compatible with this system."
         log "       Your system runs glibc $(ldd --version 2>&1 | head -1 | grep -oP '\\d+\\.\\d+$' || echo 'unknown') but the package requires glibc 2.36+."
         log "       Options:"
-        log "         1. Upgrade to Debian 12 (Bookworm): https://www.debian.org/releases/bookworm/"
+        log "         1. Upgrade to a 64-bit OS (Raspberry Pi OS 64-bit): https://www.raspberrypi.com/software/"
         log "         2. Use Zabbix Agent (v1) instead: apt install zabbix-agent"
         log "         3. Build from source: https://www.zabbix.com/documentation/current/en/manual/installation/install"
         rm -f "${deb_path}"
@@ -404,7 +523,35 @@ configure_agent() {
     # Back up existing config if present
     [ -f "${AGENT_CONF}" ] && cp "${AGENT_CONF}" "${AGENT_CONF}.bak.$(date +%s)"
 
-    cat > "${AGENT_CONF}" << EOF
+    if [ "${USING_AGENT_V1}" = true ]; then
+        # Zabbix Agent (v1) configuration — slightly different directives
+        cat > "${AGENT_CONF}" << EOF
+# Zabbix Agent (v1) Configuration
+# Auto-generated by ARM deployment script on $(date '+%Y-%m-%d %H:%M:%S')
+# Architecture: ${ARCH} (${ARCH_LABEL})
+# Note: Agent v1 installed because Agent 2 is not available for armhf
+
+Server=${ZABBIX_SERVER}
+ServerActive=${ZABBIX_SERVER}
+HostnameItem=system.hostname
+HostMetadata=${HOST_METADATA}
+
+# PSK Encryption
+TLSConnect=psk
+TLSAccept=psk
+TLSPSKIdentity=${PSK_IDENTITY}
+TLSPSKFile=${PSK_FILE}
+
+# Logging
+LogFile=/var/log/zabbix/zabbix_agentd.log
+LogFileSize=10
+
+# Performance
+BufferSend=5
+BufferSize=100
+EOF
+    else
+        cat > "${AGENT_CONF}" << EOF
 # Zabbix Agent 2 Configuration
 # Auto-generated by ARM deployment script on $(date '+%Y-%m-%d %H:%M:%S')
 # Architecture: ${ARCH} (${ARCH_LABEL})
@@ -428,24 +575,34 @@ LogFileSize=10
 BufferSend=5
 BufferSize=100
 EOF
+    fi
 
     chown root:zabbix "${AGENT_CONF}"
     chmod 644 "${AGENT_CONF}"
 }
 
 start_agent() {
-    log "Enabling and starting zabbix-agent2..."
+    local service_name="zabbix-agent2"
-    systemctl enable zabbix-agent2
+    if [ "${USING_AGENT_V1}" = true ]; then
-    systemctl restart zabbix-agent2
+        service_name="zabbix-agent"
+    fi
+
+    log "Enabling and starting ${service_name}..."
+    systemctl enable "${service_name}"
+    systemctl restart "${service_name}"
 
     sleep 2
-    if systemctl is-active --quiet zabbix-agent2; then
+    if systemctl is-active --quiet "${service_name}"; then
-        log "Zabbix Agent 2 is running."
+        log "${service_name} is running."
-        systemctl status zabbix-agent2 --no-pager
+        systemctl status "${service_name}" --no-pager
     else
         log "WARNING: Agent may not have started. Check logs:"
-        log "  journalctl -u zabbix-agent2 -n 20"
+        log "  journalctl -u ${service_name} -n 20"
-        log "  cat /var/log/zabbix/zabbix_agent2.log"
+        if [ "${USING_AGENT_V1}" = true ]; then
+            log "  cat /var/log/zabbix/zabbix_agentd.log"
+        else
+            log "  cat /var/log/zabbix/zabbix_agent2.log"
+        fi
     fi
 }
 
@@ -480,6 +637,11 @@ configure_agent "${PSK_KEY}"
 start_agent
 
 log "=== Deployment Complete ==="
+if [ "${USING_AGENT_V1}" = true ]; then
+    log "Agent Version: Zabbix Agent (v1) — agent2 not available for ${ARCH_LABEL}"
+else
+    log "Agent Version: Zabbix Agent 2"
+fi
 log "PSK Identity: ${PSK_IDENTITY}"
 log "PSK Key: ${PSK_KEY}"
 log ""