add install scripts

CMakeLists.txt

@@ -146,6 +146,8 @@ endif()
 # ########### CONSTANTS ###########
 set(USER_BROKER centreon-broker)
 set(USER_ENGINE centreon-engine)
+set(USER_AGENT centreon-agent)
+
 
 find_package(fmt CONFIG REQUIRED)
 find_package(spdlog CONFIG REQUIRED)

agent/CMakeLists.txt

@@ -22,6 +22,7 @@ project("Centreon agent" C CXX)
 # Set directories.
 set(INCLUDE_DIR "${PROJECT_SOURCE_DIR}/inc/com/centreon/agent")
 set(SRC_DIR "${PROJECT_SOURCE_DIR}/src")
+set(SCRIPT_DIR "${PROJECT_SOURCE_DIR}/scripts")
 
 
 add_definitions("-D_GLIBCXX_USE_CXX11_ABI=1")
@@ -130,8 +131,6 @@ target_link_libraries(
   ${CENTREON_AGENT} PRIVATE
   -L${PROTOBUF_LIB_DIR}
   gRPC::gpr gRPC::grpc gRPC::grpc++ gRPC::grpc++_alts
-#  cerpc
-#  berpc
   centagent_lib
   centreon_common
   centreon_grpc
@@ -157,7 +156,28 @@ if(WITH_TESTING)
   add_subdirectory(test)
 endif()
 
-#if(WITH_CONF)
-#  add_subdirectory(conf)
-#endif()
 
+set(PREFIX_AGENT_CONF "${CMAKE_INSTALL_FULL_SYSCONFDIR}/centreon-agent")
+
+
+if(WITH_CONF)
+  add_subdirectory(conf)
+endif()
+
+# Generate Systemd script.
+message(STATUS "Generating systemd startup script.")
+configure_file("${SCRIPT_DIR}/centagent.service.in"
+                "${SCRIPT_DIR}/centagent.service")
+
+# Startup dir.
+if(WITH_STARTUP_DIR)
+  set(STARTUP_DIR "${WITH_STARTUP_DIR}")
+else()
+  set(STARTUP_DIR "/etc/systemd/system")
+endif()
+
+# Script install rule.
+install(
+  PROGRAMS "${SCRIPT_DIR}/centagent.service"
+  DESTINATION "${STARTUP_DIR}"
+  COMPONENT "runtime")

agent/conf/centagent.cfg.in

@@ -0,0 +1,137 @@
+##
+## Copyright 2024 Centreon
+##
+## This file is part of Centreon Agent.
+##
+## Licensed under the Apache License, Version 2.0 (the "License");
+## you may not use this file except in compliance with the License.
+## You may obtain a copy of the License at
+##
+##     http://www.apache.org/licenses/LICENSE-2.0
+##
+## Unless required by applicable law or agreed to in writing, software
+## distributed under the License is distributed on an "AS IS" BASIS,
+## WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+## See the License for the specific language governing permissions and
+## limitations under the License.
+##
+## For more information : [email protected]
+##
+
+# file:  centagent.cfg
+# brief: Sample main config file for Centreon Agent @VERSION@
+#
+# Read the documentation for more information on this configuration file. I've
+# provided some comments here, but things may not be so clear without further
+# explanation.
+# If you want to have a list of all options, 
+# in a terminal, executes @CMAKE_INSTALL_FULL_BINDIR@/@CENTREON_AGENT@ --help
+
+
+# var:    log_file
+# brief:  This is the main log file where service and host events are logged for
+#         historical purposes. This should be the first option specified in the
+#         config file!
+
+log_file=@AGENT_VAR_LOG_DIR@/@[email protected]
+
+
+# var:    log_level
+# brief:  You can choose log verbosity:
+#         critical, error, info, debug, trace
+#         You can change log verbosity during runtime with USR1 and USR2 signals
+#         Ex: kill -USR1 <pid> to increase verbosity (error => info for example)
+#             kill -USR2 <pid> to decrease verbosity
+
+log_level=info
+
+
+# var:    logger-type
+# brief:  type of log output: stdout or  to a file
+
+logger-type=file
+
+
+# var:    logger-file
+# brief:  in case of logger-type=file, logs will be written in this file
+
+logger-file=/var/log/centreon-agent/centagent.log
+
+
+# var:    logger-max-file-size
+# brief:  max log file size in bytes until rotate
+
+logger-max-file-size=10000000
+
+
+# var:   logger-max-files 
+# brief:  max number of log files (oldest will be removed)
+
+logger-max-files=3
+
+
+# var:    endpoint
+# brief:  This parameter is mandatory
+#         In normal case (agent connects to engine), this endpoint is the 
+#         opentelemetry listening endpoint of engine
+#         His syntax is <ip or dns name>:port
+
+#endpoint=<poller ip>:4317
+
+
+# var:    encryption
+# brief:  false by default 
+#         set to true to enable encryption between engine and agent
+
+encryption=false
+
+
+# var:    certificate
+# brief:  path of the certificate file used by encryption
+
+#certificate=/etc/centron-agent/certif.crt
+
+
+# var:    private_key
+# brief:  path of the key file of the certificate file
+
+#private_key=/etc/centreon-agent/certif.key
+
+
+# var:    ca_certificate
+# brief:  path of the authority certificate file used by encryption
+
+#ca_certificate=/etc/centreon-agent/ca.crt
+
+
+# var:    ca_name
+# brief:  name of the host declared in authority certificate
+
+#ca_name=
+
+
+# var:    host
+# brief:  name of the host declared in centreon configuration
+#         if not given, hostname of the computer will be used
+
+#host=
+
+
+# var:    reversed-grpc-streaming
+# brief:  used when centreon agent is not allowed to connect to poller
+#         if this option if set to true, centreon agent become a
+#         grpc server listening on pair interface:port given by 
+#         endpoint parameter where poller will have to connect to
+
+reversed-grpc-streaming=false
+
+
+# var:    host
+# brief:  name of the host declared in centreon configuration
+#         if not given, hostname of the computer will be used
+
+#host=
+
+
+
+

agent/scripts/centagent.service.in

@@ -0,0 +1,27 @@
+#
+# Copyright 2016 Centreon
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+# For more information : [email protected]
+#
+
+[Unit]
+Description=Centreon Agent
+
+[Service]
+ExecStart=@CMAKE_INSTALL_FULL_BINDIR@/@CENTREON_AGENT@ @PREFIX_AGENT_CONF@/@[email protected]
+ExecReload=/bin/kill -HUP $MAINPID
+Type=simple
+User=centreon-agent
+

packaging/centagent.yaml

@@ -15,9 +15,43 @@ homepage: "https://www.centreon.com"
 license: "Apache-2.0"
 
 contents:
+  - src: "../agent/conf/centagent.cfg"
+    dst: "/etc/centreon-agent/centagent.cfg"
+    type: config|noreplace
+    file_info:
+      mode: 0664
+      owner: centreon-agent
+      group: centreon-agent
+
   - src: "../build/agent/centagent"
     dst: "/usr/bin/centagent"
 
+  - dst: "/etc/centreon-agent"
+    type: dir
+    file_info:
+      mode: 0775
+      owner: centreon-agent
+      group: centreon-agent
+
+  - dst: "/var/log/centreon-agent"
+    type: dir
+    file_info:
+      mode: 0755
+      owner: centreon-agent
+      group: centreon-agent
+
+  - src: "/usr/lib/nagios/plugins"
+    dst: "/usr/lib64/nagios/plugins"
+    type: symlink
+    packager: deb
+
+scripts:
+  preinstall: ./scripts/centreon-agent-daemon-preinstall.sh
+  postinstall: ./scripts/centreon-agent-daemon-postinstall.sh
+  preremove: ./scripts/centreon-agent-daemon-preremove.sh
+  postremove: ./scripts/centreon-agent-daemon-postremove.sh
+
+
 rpm:
   summary: Centreon Collect Agent. It can be used to execute remotely plugins
   compression: zstd

packaging/centreon-agent-selinux.yaml

@@ -0,0 +1,40 @@
+name: "centreon-agent-selinux"
+arch: "${ARCH}"
+platform: "linux"
+version_schema: "none"
+version: "${VERSION}"
+release: "${RELEASE}${DIST}"
+section: "default"
+priority: "optional"
+maintainer: "Centreon <[email protected]>"
+description: |
+  SELinux context for centreon-agent
+vendor: "Centreon"
+homepage: "https://centreon.com"
+license: "Apache-2.0"
+
+depends:
+  - policycoreutils
+  - centreon-common-selinux
+replaces:
+  - centreon-agent-selinux-debuginfo
+conflicts:
+  - centreon-agent-selinux-debuginfo
+provides:
+  - centreon-agent-selinux-debuginfo
+
+contents:
+  - src: "../selinux/centreon-agent/centreon-agent.pp"
+    dst: "/usr/share/selinux/packages/centreon/centreon-agent.pp"
+    file_info:
+      mode: 0655
+
+scripts:
+  postinstall: ./scripts/centreon-agent-selinux-postinstall.sh
+  preremove: ./scripts/centreon-agent-selinux-preremove.sh
+
+rpm:
+  summary: SELinux context for centreon-agent
+  signature:
+    key_file: ${RPM_SIGNING_KEY_FILE}
+    key_id: ${RPM_SIGNING_KEY_ID}

packaging/scripts/centreon-agent-daemon-postinstall.sh

@@ -0,0 +1,25 @@
+#!/bin/sh
+
+startCentagent() {
+  systemctl daemon-reload ||:
+  systemctl unmask centagent.service ||:
+  systemctl preset centagent.service ||:
+  systemctl enable centagent.service ||:
+  systemctl restart centagent.service ||:
+}
+
+# on debian, it is needed to recreate centreon-agent user at each upgrade because it is removed on postrm step on versions < 23.10
+if [ "$1" = "configure" ] ; then
+  if [ ! "$(getent passwd centreon-agent)" ]; then
+    adduser --system --group --shell /bin/bash --no-create-home centreon-agent
+  fi
+  if [ "$(getent passwd nagios)" ]; then
+    usermod -a -G centreon-agent nagios
+  fi
+  chown -R centreon-agent:centreon-agent \
+    /etc/centreon-agent \
+    /var/log/centreon-agent
+fi
+
+startCentagent
+

packaging/scripts/centreon-agent-daemon-postremove.sh

@@ -0,0 +1,8 @@
+#!/bin/sh
+
+case "$1" in
+  purge)
+    deluser centreon-agent || :
+    delgroup centreon-agent || :
+  ;;
+esac

packaging/scripts/centreon-agent-daemon-preinstall.sh

@@ -0,0 +1,10 @@
+#!/bin/sh
+
+if ! id centreon-agent > /dev/null 2>&1; then
+  useradd -r centreon-agent > /dev/null 2>&1
+fi
+
+if id -g nagios > /dev/null 2>&1; then
+  usermod -a -G centreon-agent nagios
+fi
+

packaging/scripts/centreon-agent-daemon-preremove.sh

@@ -0,0 +1,3 @@
+#!/bin/sh
+
+systemctl stop centagent.service ||:

packaging/scripts/centreon-agent-selinux-postinstall.sh

@@ -0,0 +1,25 @@
+#!/bin/sh
+
+install() {
+  semodule -i /usr/share/selinux/packages/centreon/centreon-engine.pp > /dev/null 2>&1 || :
+}
+
+upgrade() {
+  semodule -i /usr/share/selinux/packages/centreon/centreon-engine.pp > /dev/null 2>&1 || :
+}
+
+action="$1"
+if  [ "$1" = "configure" ] && [ -z "$2" ]; then
+  action="install"
+elif [ "$1" = "configure" ] && [ -n "$2" ]; then
+  action="upgrade"
+fi
+
+case "$action" in
+  "1" | "install")
+    install
+    ;;
+  "2" | "upgrade")
+    upgrade
+    ;;
+esac

packaging/scripts/centreon-agent-selinux-preremove.sh

@@ -0,0 +1,5 @@
+#!/bin/sh
+
+if [ "$1" -lt "1" ]; then # Final removal
+  semodule -r centreon-agent > /dev/null 2>&1 || :
+fi

selinux/centreon-agent/centreon-agent.fc

@@ -0,0 +1 @@
+/usr/bin/centagent    --	gen_context(system_u:object_r:centreon_agent_exec_t,s0)

selinux/centreon-agent/centreon-agent.if

@@ -0,0 +1 @@
+## <summary>Centreon Agent monitoring agent.</summary>