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Added Zabbix agent 2 for RHEL

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Alexey Pustovalov 2020-09-25 12:20:19 +03:00
parent 9dc76c9b3a
commit 5f6c8fb32a
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build.sh

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FROM registry.access.redhat.com/ubi8/ubi
MAINTAINER Alexey Pustovalov <alexey.pustovalov@zabbix.com>
ARG MAJOR_VERSION=5.0
ARG RELEASE=3
ARG ZBX_VERSION=${MAJOR_VERSION}.3
ARG ZBX_SOURCES=https://git.zabbix.com/scm/zbx/zabbix.git
ENV ZBX_VERSION=${ZBX_VERSION} ZBX_SOURCES=${ZBX_SOURCES}
ENV TINI_VERSION=v0.19.0
LABEL name="zabbix/zabbix-agent2-50" \
maintainer="alexey.pustovalov@zabbix.com" \
vendor="Zabbix LLC" \
version="${MAJOR_VERSION}" \
release="${RELEASE}" \
summary="Zabbix agent" \
description="Zabbix agent 2 is deployed on a monitoring target to actively monitor local resources and applications" \
url="https://www.zabbix.com/" \
run="docker run --name zabbix-agent2 --link zabbix-server:zabbix-server -p 10050:10050 -d registry.connect.redhat.com/zabbix/zabbix-agent2-50:${ZBX_VERSION}" \
io.k8s.description="Zabbix agent 2 is deployed on a monitoring target to actively monitor local resources and applications" \
io.k8s.display-name="Zabbix Agent 2" \
io.openshift.expose-services="10050:10050" \
io.openshift.tags="zabbix,zabbix-agent" \
org.label-schema.name="zabbix-agent2-rhel" \
org.label-schema.vendor="Zabbix LLC" \
org.label-schema.url="https://zabbix.com/" \
org.label-schema.description="Zabbix agent 2 is deployed on a monitoring target to actively monitor local resources and applications" \
org.label-schema.vcs-ref="${VCS_REF}" \
org.label-schema.build-date="${BUILD_DATE}" \
org.label-schema.schema-version="1.0" \
org.label-schema.license="GPL v2.0" \
org.label-schema.usage="https://www.zabbix.com/documentation/${MAJOR_VERSION}/manual/installation/containers" \
org.label-schema.version="${ZBX_VERSION}" \
org.label-schema.vcs-url="${ZBX_SOURCES}" \
org.label-schema.docker.cmd="docker run --name zabbix-agent2 --link zabbix-server:zabbix-server -p 10050:10050 -d registry.connect.redhat.com/zabbix/zabbix-agent2-50:${ZBX_VERSION}"
STOPSIGNAL SIGTERM
COPY ["licenses", "/licenses"]
RUN set -eux && INSTALL_PKGS="bash \
tzdata \
iputils \
pcre \
libcurl" && \
REPOLIST="rhel-8-for-x86_64-baseos-rpms,rhel-8-for-x86_64-appstream-rpms" && \
dnf -y update-minimal --disablerepo "*" --enablerepo ubi-8-baseos --setopt=tsflags=nodocs \
--security --sec-severity=Important --sec-severity=Critical && \
dnf -y install --disablerepo "*" --enablerepo "${REPOLIST}" --setopt=install_weak_deps=False --best \
--setopt=tsflags=nodocs ${INSTALL_PKGS} && \
groupadd -g 1995 --system zabbix && \
adduser -r --shell /sbin/nologin \
-g zabbix -G root \
-d /var/lib/zabbix/ -u 1997 \
zabbix && \
mkdir -p /etc/zabbix && \
mkdir -p /etc/zabbix/zabbix_agentd.d && \
mkdir -p /var/lib/zabbix && \
mkdir -p /var/lib/zabbix/enc && \
mkdir -p /var/lib/zabbix/modules && \
curl -L https://github.com/krallin/tini/releases/download/${TINI_VERSION}/tini -o /sbin/tini && \
curl -L https://github.com/krallin/tini/releases/download/${TINI_VERSION}/tini.asc -o /tmp/tini.asc && \
export GNUPGHOME="$(mktemp -d)" && \
for server in $(shuf -e ha.pool.sks-keyservers.net \
hkp://p80.pool.sks-keyservers.net:80 \
ipv4.pool.sks-keyservers.net \
keyserver.ubuntu.com \
keyserver.pgp.com \
pgp.mit.edu) ; do \
gpg --keyserver "$server" --recv-keys 595E85A6B1B4779EA4DAAEC70B588DFF0527A9B7 && break || : ; \
done && \
gpg --batch --verify /tmp/tini.asc /sbin/tini && \
rm -r "$GNUPGHOME" /tmp/tini.asc && \
chmod +x /sbin/tini && \
dnf -y clean all && \
rm -rf /var/cache/yum /var/lib/yum/yumdb/* /usr/lib/udev/hwdb.d/* && \
rm -rf /var/cache/dnf /etc/udev/hwdb.bin /root/.pki
RUN set -eux && REPOLIST="rhel-8-for-x86_64-baseos-rpms,rhel-8-for-x86_64-appstream-rpms" && \
INSTALL_PKGS="autoconf \
automake \
libcurl-devel \
openssl-devel \
openldap-devel \
golang \
gcc \
pcre-devel \
make \
git \
binutils" && \
dnf -y install --disablerepo "*" --enablerepo "${REPOLIST}" --setopt=install_weak_deps=False --best \
--setopt=tsflags=nodocs ${INSTALL_PKGS} && \
cd /tmp/ && \
git clone ${ZBX_SOURCES} --branch ${ZBX_VERSION} --depth 1 --single-branch zabbix-${ZBX_VERSION} && \
cd /tmp/zabbix-${ZBX_VERSION} && \
zabbix_revision=`git rev-parse --short HEAD` && \
sed -i "s/{ZABBIX_REVISION}/$zabbix_revision/g" src/go/pkg/version/version.go && \
./bootstrap.sh && \
export CFLAGS="-fPIC -pie -Wl,-z,relro -Wl,-z,now" && \
export GOPATH=/tmp/zabbix-${ZBX_VERSION}/go && \
./configure \
--datadir=/usr/lib \
--libdir=/usr/lib/zabbix \
--prefix=/usr \
--sysconfdir=/etc/zabbix \
--prefix=/usr \
--with-openssl \
--enable-ipv6 \
--enable-agent2 \
--enable-agent \
--silent && \
make -j"$(nproc)" -s && \
cp /tmp/zabbix-${ZBX_VERSION}/src/go/bin/zabbix_agent2 /usr/sbin/zabbix_agent2 && \
cp /tmp/zabbix-${ZBX_VERSION}/src/zabbix_get/zabbix_get /usr/bin/zabbix_get && \
cp /tmp/zabbix-${ZBX_VERSION}/src/zabbix_sender/zabbix_sender /usr/bin/zabbix_sender && \
cp /tmp/zabbix-${ZBX_VERSION}/src/go/conf/zabbix_agent2.conf /etc/zabbix/zabbix_agent2.conf && \
strip /usr/sbin/zabbix_agent2 && \
strip /usr/bin/zabbix_get && \
strip /usr/bin/zabbix_sender && \
cd /tmp/ && \
rm -rf /tmp/zabbix-${ZBX_VERSION}/ && \
dnf -y history undo `dnf history list last -q | sed -n 3p |column -t | cut -d' ' -f1` && \
dnf -y clean all && \
chown --quiet -R zabbix:root /etc/zabbix/ /var/lib/zabbix/ && \
chgrp -R 0 /etc/zabbix/ /var/lib/zabbix/ && \
chmod -R g=u /etc/zabbix/ /var/lib/zabbix/ && \
rm -rf /var/cache/yum /var/lib/yum/yumdb/* /usr/lib/udev/hwdb.d/* && \
rm -rf /var/cache/dnf /etc/udev/hwdb.bin /root/.pki
EXPOSE 10050/TCP 31999/TCP
WORKDIR /var/lib/zabbix
VOLUME ["/var/lib/zabbix/enc"]
COPY ["docker-entrypoint.sh", "/usr/bin/"]
ENTRYPOINT ["/sbin/tini", "--", "/usr/bin/docker-entrypoint.sh"]
USER 1997
CMD ["/usr/sbin/zabbix_agent2", "--foreground", "-c", "/etc/zabbix/zabbix_agent2.conf"]

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![logo](https://assets.zabbix.com/img/logo/zabbix_logo_500x131.png)
# What is Zabbix?
Zabbix is an enterprise-class open source distributed monitoring solution.
Zabbix is software that monitors numerous parameters of a network and the health and integrity of servers. Zabbix uses a flexible notification mechanism that allows users to configure e-mail based alerts for virtually any event. This allows a fast reaction to server problems. Zabbix offers excellent reporting and data visualisation features based on the stored data. This makes Zabbix ideal for capacity planning.
For more information and related downloads for Zabbix components, please visit https://hub.docker.com/u/zabbix/ and https://zabbix.com
# What is Zabbix agent 2?
Zabbix agent 2 is deployed on a monitoring target to actively monitor local resources and applications (hard drives, memory, processor statistics etc).
# Zabbix agent 2 images
These are the only official Zabbix agent 2 Docker images. They are based on Alpine Linux v3.12 images. The available versions of Zabbix agent 2 are:
Zabbix agent 2 4.4 (tags: alpine-4.4-latest, alpine-latest, latest) (unsupported)
Zabbix agent 2 4.4.* (tags: alpine-4.4.*) (unsupported)
Zabbix agent 2 5.0 (tags: alpine-5.0-latest)
Zabbix agent 2 5.0.* (tags: alpine-5.0.*)
Zabbix agent 2 5.2 (tags: alpine-trunk)
Images are updated when new releases are published. The image with ``latest`` tag is based on Alpine Linux.
# How to use this image
## Start `zabbix-agent2`
Start a Zabbix agent 2 container as follows:
docker run --name some-zabbix-agent -e ZBX_HOSTNAME="some-hostname" -e ZBX_SERVER_HOST="some-zabbix-server" -d zabbix/zabbix-agent2:tag
Where `some-zabbix-agent2` is the name you want to assign to your container, `some-hostname` is the hostname, it is Hostname parameter in Zabbix agent 2 configuration file, `some-zabbix-server` is IP or DNS name of Zabbix server or proxy and `tag` is the tag specifying the version you want. See the list above for relevant tags, or look at the [full list of tags](https://hub.docker.com/r/zabbix/zabbix-agent2/tags/).
## Connects from Zabbix server or Zabbix proxy in other containers (Passive checks)
This image exposes the standard Zabbix agent 2 port (``10050``) to perform passive checks, so container linking makes Zabbix agent 2 instance available to Zabbix server and Zabbix proxy containers. Start your application container like this in order to link it to the Zabbix agent 2 container:
```console
$ docker run --name some-zabbix-server --link some-zabbix-agent:zabbix-agent2 -d zabbix/zabbix-server:latest
```
## Connect to Zabbix server or Zabbix proxy containers (Active checks)
This image supports perform active checks, so container linking makes Zabbix server and Zabbix proxy containers available to Zabbix agent 2 instance. Start your application container like this in order to link Zabbix agent 2 to Zabbix server or Zabbix proxy containterns:
```console
$ docker run --name some-zabbix-agent --link some-zabbix-server:zabbix-server -d zabbix/zabbix-agent2:latest
```
## Container shell access and viewing Zabbix agent 2 logs
The `docker exec` command allows you to run commands inside a Docker container. The following command line will give you a bash shell inside your `zabbix-agent2` container:
```console
$ docker exec -ti some-zabbix-agent /bin/bash
```
The Zabbix agent 2 log is available through Docker's container log:
```console
$ docker logs some-zabbix-agent
```
## Privileged mode
By default, Docker containers are "unprivileged" and do not have access to the most of host resources. Zabbix agent 2 is designed to monitor system resources, to do that Zabbix agent 2 container must be privileged or you may mount some system-wide volumes. For example:
```console
$ docker run --name some-zabbix-agent --link some-zabbix-server:zabbix-server --privileged -d zabbix/zabbix-agent2:latest
```
```console
$ docker run --name some-zabbix-agent --link some-zabbix-server:zabbix-server -v /dev/sdc:/dev/sdc -d zabbix/zabbix-agent2:latest
```
## Environment Variables
When you start the `zabbix-agent2` image, you can adjust the configuration of the Zabbix agent 2 by passing one or more environment variables on the `docker run` command line.
### `ZBX_HOSTNAME`
This variable is unique, case sensitive hostname. By default, value is `hostname` of the container. It is ``Hostname`` parameter in ``zabbix_agent2.conf``.
### `ZBX_SERVER_HOST`
This variable is IP or DNS name of Zabbix server or Zabbix proxy. By default, value is `zabbix-server`. It is ``Server`` parameter in ``zabbix_agent2.conf``. It is allowed to specify Zabbix server or Zabbix proxy port number using ``ZBX_SERVER_PORT`` variable. It make sense in case of non-default port for active checks.
### `ZBX_PASSIVE_ALLOW`
This variable is boolean (``true`` or ``false``) and enables or disables feature of passive checks. By default, value is `true`.
### `ZBX_PASSIVESERVERS`
The variable is comma separated list of allowed Zabbix server or proxy hosts for connections to Zabbix agent 2 container.
### `ZBX_ACTIVE_ALLOW`
This variable is boolean (``true`` or ``false``) and enables or disables feature of active checks. By default, value is `true`.
### `ZBX_ACTIVESERVERS`
The variable is comma separated list of allowed Zabbix server or proxy hosts for connections to Zabbix agent 2 container. You may specify port of Zabbix server or Zabbix proxy in such syntax: ``zabbix-server:10061,zabbix-proxy:10072``.
### `ZBX_DEBUGLEVEL`
The variable is used to specify debug level. By default, value is ``3``. It is ``DebugLevel`` parameter in ``zabbix_agent2.conf``. Allowed values are listed below:
- ``0`` - basic information about starting and stopping of Zabbix processes;
- ``1`` - critical information
- ``2`` - error information
- ``3`` - warnings
- ``4`` - for debugging (produces lots of information)
- ``5`` - extended debugging (produces even more information)
### `ZBX_TIMEOUT`
The variable is used to specify timeout for processing checks. By default, value is ``3``.
### Other variables
Additionally the image allows to specify many other environment variables listed below:
```
ZBX_ENABLEPERSISTENTBUFFER=false # Available since 5.0.0
ZBX_PERSISTENTBUFFERPERIOD=1h # Available since 5.0.0
ZBX_ENABLESTATUSPORT=
ZBX_SOURCEIP=
ZBX_ENABLEREMOTECOMMANDS=0 # Deprecated since 5.0.0
ZBX_LOGREMOTECOMMANDS=0
ZBX_STARTAGENTS=3
ZBX_HOSTNAMEITEM=system.hostname
ZBX_METADATA=
ZBX_METADATAITEM=
ZBX_REFRESHACTIVECHECKS=120
ZBX_BUFFERSEND=5
ZBX_BUFFERSIZE=100
ZBX_MAXLINESPERSECOND=20
ZBX_LISTENIP=
ZBX_UNSAFEUSERPARAMETERS=0
ZBX_TLSCONNECT=unencrypted
ZBX_TLSACCEPT=unencrypted
ZBX_TLSCAFILE=
ZBX_TLSCRLFILE=
ZBX_TLSSERVERCERTISSUER=
ZBX_TLSSERVERCERTSUBJECT=
ZBX_TLSCERTFILE=
ZBX_TLSKEYFILE=
ZBX_TLSPSKIDENTITY=
ZBX_TLSPSKFILE=
ZBX_DENYKEY=system.run[*] # Available since 5.0.0
ZBX_ALLOWKEY= # Available since 5.0.0
```
Default values of these variables are specified after equal sign.
The allowed variables are identical of parameters in official ``zabbix_agent2.conf`` configuration file. For example, ``ZBX_REFRESHACTIVECHECKS`` = ``RefreshActiveChecks``.
Please use official documentation for [``zabbix_agent2.conf``](https://www.zabbix.com/documentation/current/manual/appendix/config/zabbix_agent2) to get more information about the variables.
## Allowed volumes for the Zabbix agent 2 container
### ``/etc/zabbix/zabbix_agentd.d``
The volume allows include ``*.conf`` files and extend Zabbix agent 2 using ``UserParameter`` feature.
### ``/var/lib/zabbix/enc``
The volume is used to store TLS related files. These file names are specified using ``ZBX_TLSCAFILE``, ``ZBX_TLSCRLFILE``, ``ZBX_TLSKEY_FILE`` and ``ZBX_TLSPSKFILE`` variables.
### ``/var/lib/zabbix/buffer``
The volume is used to store the file, where Zabbix Agent2 should keep SQLite database. To enable the feature specify ``ZBX_ENABLEPERSISTENTBUFFER=true``. Available since 5.0.0.
# The image variants
The `zabbix-agent2` images come in many flavors, each designed for a specific use case.
## `zabbix-agent2:alpine-<version>`
This image is based on the popular [Alpine Linux project](http://alpinelinux.org), available in [the `alpine` official image](https://hub.docker.com/_/alpine). Alpine Linux is much smaller than most distribution base images (~5MB), and thus leads to much slimmer images in general.
This variant is highly recommended when final image size being as small as possible is desired. The main caveat to note is that it does use [musl libc](http://www.musl-libc.org) instead of [glibc and friends](http://www.etalabs.net/compare_libcs.html), so certain software might run into issues depending on the depth of their libc requirements. However, most software doesn't have an issue with this, so this variant is usually a very safe choice. See [this Hacker News comment thread](https://news.ycombinator.com/item?id=10782897) for more discussion of the issues that might arise and some pro/con comparisons of using Alpine-based images.
To minimize image size, it's uncommon for additional related tools (such as `git` or `bash`) to be included in Alpine-based images. Using this image as a base, add the things you need in your own Dockerfile (see the [`alpine` image description](https://hub.docker.com/_/alpine/) for examples of how to install packages if you are unfamiliar).
# Supported Docker versions
This image is officially supported on Docker version 1.12.0.
Support for older versions (down to 1.6) is provided on a best-effort basis.
Please see [the Docker installation documentation](https://docs.docker.com/installation/) for details on how to upgrade your Docker daemon.
# User Feedback
## Documentation
Documentation for this image is stored in the [`agent2/` directory](https://github.com/zabbix/zabbix-docker/tree/4.4/agent2) of the [`zabbix/zabbix-docker` GitHub repo](https://github.com/zabbix/zabbix-docker/). Be sure to familiarize yourself with the [repository's `README.md` file](https://github.com/zabbix/zabbix-docker/blob/master/README.md) before attempting a pull request.
## Issues
If you have any problems with or questions about this image, please contact us through a [GitHub issue](https://github.com/zabbix/zabbix-docker/issues).
### Known issues
Currently it is not allowed to specify ``ZBX_ALIAS`` environment variable. Please use ``/etc/zabbix/zabbix_agent.d`` volume with additional configuration files with ``Alias`` options.
## Contributing
You are invited to contribute new features, fixes, or updates, large or small; we are always thrilled to receive pull requests, and do our best to process them as fast as we can.
Before you start to code, we recommend discussing your plans through a [GitHub issue](https://github.com/zabbix/zabbix-docker/issues), especially for more ambitious contributions. This gives other contributors a chance to point you in the right direction, give you feedback on your design, and help you find out if someone else is working on the same thing.

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#!/bin/bash
set -o pipefail
set +e
# Script trace mode
if [ "${DEBUG_MODE}" == "true" ]; then
set -o xtrace
fi
# Default Zabbix installation name
# Default Zabbix server host
: ${ZBX_SERVER_HOST:="zabbix-server"}
# Default Zabbix server port number
: ${ZBX_SERVER_PORT:="10051"}
# Default directories
# User 'zabbix' home directory
ZABBIX_USER_HOME_DIR="/var/lib/zabbix"
# Configuration files directory
ZABBIX_ETC_DIR="/etc/zabbix"
escape_spec_char() {
local var_value=$1
var_value="${var_value//\\/\\\\}"
var_value="${var_value//[$'\n']/}"
var_value="${var_value//\//\\/}"
var_value="${var_value//./\\.}"
var_value="${var_value//\*/\\*}"
var_value="${var_value//^/\\^}"
var_value="${var_value//\$/\\\$}"
var_value="${var_value//\&/\\\&}"
var_value="${var_value//\[/\\[}"
var_value="${var_value//\]/\\]}"
echo "$var_value"
}
update_config_var() {
local config_path=$1
local var_name=$2
local var_value=$3
local is_multiple=$4
local masklist=("TLSPSKIdentity")
if [ ! -f "$config_path" ]; then
echo "**** Configuration file '$config_path' does not exist"
return
fi
if [[ " ${masklist[@]} " =~ " $var_name " ]] && [ ! -z "$var_value" ]; then
echo -n "** Updating '$config_path' parameter \"$var_name\": '****'. Enable DEBUG_MODE to view value ..."
else
echo -n "** Updating '$config_path' parameter \"$var_name\": '$var_value'..."
fi
# Remove configuration parameter definition in case of unset parameter value
if [ -z "$var_value" ]; then
sed -i -e "/^$var_name=/d" "$config_path"
echo "removed"
return
fi
# Remove value from configuration parameter in case of double quoted parameter value
if [ "$var_value" == '""' ]; then
sed -i -e "/^$var_name=/s/=.*/=/" "$config_path"
echo "undefined"
return
fi
# Use full path to a file for TLS related configuration parameters
if [[ $var_name =~ ^TLS.*File$ ]]; then
var_value=$ZABBIX_USER_HOME_DIR/enc/$var_value
fi
# Escaping characters in parameter value and name
var_value=$(escape_spec_char "$var_value")
var_name=$(escape_spec_char "$var_name")
if [ "$(grep -E "^$var_name=" $config_path)" ] && [ "$is_multiple" != "true" ]; then
sed -i -e "/^$var_name=/s/=.*/=$var_value/" "$config_path"
echo "updated"
elif [ "$(grep -Ec "^# $var_name=" $config_path)" -gt 1 ]; then
sed -i -e "/^[#;] $var_name=$/i\\$var_name=$var_value" "$config_path"
echo "added first occurrence"
elif [ "$(grep -Ec "^[#;] $var_name=" $config_path)" -gt 0 ]; then
sed -i -e "/^[#;] $var_name=/s/.*/&\n$var_name=$var_value/" "$config_path"
echo "added"
else
sed -i -e '$a\' -e "$var_name=$var_value" "$config_path"
echo "added at the end"
fi
}
update_config_multiple_var() {
local config_path=$1
local var_name=$2
local var_value=$3
var_value="${var_value%\"}"
var_value="${var_value#\"}"
local IFS=,
local OPT_LIST=($var_value)
for value in "${OPT_LIST[@]}"; do
update_config_var $config_path $var_name $value true
done
}
prepare_zbx_agent_config() {
echo "** Preparing Zabbix agent configuration file"
ZBX_AGENT_CONFIG=$ZABBIX_ETC_DIR/zabbix_agent2.conf
: ${ZBX_PASSIVESERVERS:=""}
: ${ZBX_ACTIVESERVERS:=""}
[ -n "$ZBX_PASSIVESERVERS" ] && ZBX_PASSIVESERVERS=","$ZBX_PASSIVESERVERS
ZBX_PASSIVESERVERS=$ZBX_SERVER_HOST$ZBX_PASSIVESERVERS
[ -n "$ZBX_ACTIVESERVERS" ] && ZBX_ACTIVESERVERS=","$ZBX_ACTIVESERVERS
ZBX_ACTIVESERVERS=$ZBX_SERVER_HOST":"$ZBX_SERVER_PORT$ZBX_ACTIVESERVERS
update_config_var $ZBX_AGENT_CONFIG "PidFile"
update_config_var $ZBX_AGENT_CONFIG "LogType" "console"
update_config_var $ZBX_AGENT_CONFIG "LogFile"
update_config_var $ZBX_AGENT_CONFIG "LogFileSize"
update_config_var $ZBX_AGENT_CONFIG "DebugLevel" "${ZBX_DEBUGLEVEL}"
update_config_var $ZBX_AGENT_CONFIG "SourceIP"
update_config_var $ZBX_AGENT_CONFIG "LogRemoteCommands" "${ZBX_LOGREMOTECOMMANDS}"
: ${ZBX_PASSIVE_ALLOW:="true"}
if [ "$ZBX_PASSIVE_ALLOW" == "true" ]; then
echo "** Using '$ZBX_PASSIVESERVERS' servers for passive checks"
update_config_var $ZBX_AGENT_CONFIG "Server" "${ZBX_PASSIVESERVERS}"
else
update_config_var $ZBX_AGENT_CONFIG "Server"
fi
update_config_var $ZBX_AGENT_CONFIG "ListenPort" "${ZBX_LISTENPORT}"
update_config_var $ZBX_AGENT_CONFIG "ListenIP" "${ZBX_LISTENIP}"
: ${ZBX_ACTIVE_ALLOW:="true"}
if [ "$ZBX_ACTIVE_ALLOW" == "true" ]; then
echo "** Using '$ZBX_ACTIVESERVERS' servers for active checks"
update_config_var $ZBX_AGENT_CONFIG "ServerActive" "${ZBX_ACTIVESERVERS}"
else
update_config_var $ZBX_AGENT_CONFIG "ServerActive"
fi
if [ "$ZBX_ENABLESTATUSPORT" == "true" ]; then
update_config_var $ZBX_AGENT_CONFIG "EnablePersistentBuffer" "1"
update_config_var $ZBX_AGENT_CONFIG "PersistentBufferFile" "$ZABBIX_USER_HOME_DIR/buffer/"
update_config_var $ZBX_AGENT_CONFIG "PersistentBufferPeriod" "${ZBX_PERSISTENTBUFFERPERIOD}"
else
update_config_var $ZBX_AGENT_CONFIG "EnablePersistentBuffer" "0"
fi
if [ "$ZBX_ENABLESTATUSPORT" == "true" ]; then
update_config_var $ZBX_AGENT_CONFIG "StatusPort" "31999"
fi
# update_config_var $ZBX_AGENT_CONFIG "HostInterface" "${ZBX_HOSTINTERFACE}"
# update_config_var $ZBX_AGENT_CONFIG "HostInterfaceItem" "${ZBX_HOSTINTERFACEITEM}"
update_config_var $ZBX_AGENT_CONFIG "Hostname" "${ZBX_HOSTNAME}"
update_config_var $ZBX_AGENT_CONFIG "HostnameItem" "${ZBX_HOSTNAMEITEM}"
update_config_var $ZBX_AGENT_CONFIG "HostMetadata" "${ZBX_METADATA}"
update_config_var $ZBX_AGENT_CONFIG "HostMetadataItem" "${ZBX_METADATAITEM}"
update_config_var $ZBX_AGENT_CONFIG "RefreshActiveChecks" "${ZBX_REFRESHACTIVECHECKS}"
update_config_var $ZBX_AGENT_CONFIG "BufferSend" "${ZBX_BUFFERSEND}"
update_config_var $ZBX_AGENT_CONFIG "BufferSize" "${ZBX_BUFFERSIZE}"
update_config_var $ZBX_AGENT_CONFIG "MaxLinesPerSecond" "${ZBX_MAXLINESPERSECOND}"
# Please use include to enable Alias feature
# update_config_multiple_var $ZBX_AGENT_CONFIG "Alias" ${ZBX_ALIAS}
update_config_var $ZBX_AGENT_CONFIG "Timeout" "${ZBX_TIMEOUT}"
update_config_var $ZBX_AGENT_CONFIG "Include" "/etc/zabbix/zabbix_agentd.d/"
update_config_var $ZBX_AGENT_CONFIG "UnsafeUserParameters" "${ZBX_UNSAFEUSERPARAMETERS}"
update_config_var $ZBX_AGENT_CONFIG "TLSConnect" "${ZBX_TLSCONNECT}"
update_config_var $ZBX_AGENT_CONFIG "TLSAccept" "${ZBX_TLSACCEPT}"
update_config_var $ZBX_AGENT_CONFIG "TLSCAFile" "${ZBX_TLSCAFILE}"
update_config_var $ZBX_AGENT_CONFIG "TLSCRLFile" "${ZBX_TLSCRLFILE}"
update_config_var $ZBX_AGENT_CONFIG "TLSServerCertIssuer" "${ZBX_TLSSERVERCERTISSUER}"
update_config_var $ZBX_AGENT_CONFIG "TLSServerCertSubject" "${ZBX_TLSSERVERCERTSUBJECT}"
update_config_var $ZBX_AGENT_CONFIG "TLSCertFile" "${ZBX_TLSCERTFILE}"
update_config_var $ZBX_AGENT_CONFIG "TLSKeyFile" "${ZBX_TLSKEYFILE}"
update_config_var $ZBX_AGENT_CONFIG "TLSPSKIdentity" "${ZBX_TLSPSKIDENTITY}"
update_config_var $ZBX_AGENT_CONFIG "TLSPSKFile" "${ZBX_TLSPSKFILE}"
update_config_multiple_var $ZBX_AGENT_CONFIG "DenyKey" "${ZBX_DENYKEY}"
update_config_multiple_var $ZBX_AGENT_CONFIG "AllowKey" "${ZBX_ALLOWKEY}"
}
prepare_agent() {
echo "** Preparing Zabbix agent"
prepare_zbx_agent_config
}
#################################################
if [ "${1#-}" != "$1" ]; then
set -- /usr/sbin/zabbix_agent2 "$@"
fi
if [ "$1" == '/usr/sbin/zabbix_agent2' ]; then
prepare_agent
fi
exec "$@"
#################################################

13
agent2/rhel/hooks/build Executable file
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@ -0,0 +1,13 @@
#!/bin/bash
#
# Additional information: https://docs.docker.com/docker-cloud/builds/advanced/
#
MAJOR_VERSION=$(cat Dockerfile | grep "ARG MAJOR_VERSION" | cut -f2 -d"=")
MINOR_VERSION=$(cat Dockerfile | grep "ARG ZBX_VERSION" | cut -f2 -d".")
VCS_REF=$MAJOR_VERSION.$MINOR_VERSION
BUILD_DATE=$(date -u +"%Y-%m-%dT%H:%M:%SZ")
echo "$BUILD_DATE - Building $VCS_REF version..."
docker build --build-arg VCS_REF="$VCS_REF" --build-arg BUILD_DATE="$BUILD_DATE" -t $IMAGE_NAME .

339
agent2/rhel/licenses/gpl-2.0.txt Normal file
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GNU GENERAL PUBLIC LICENSE
Version 2, June 1991
Copyright (C) 1989, 1991 Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
Preamble
The licenses for most software are designed to take away your
freedom to share and change it. By contrast, the GNU General Public
License is intended to guarantee your freedom to share and change free
software--to make sure the software is free for all its users. This
General Public License applies to most of the Free Software
Foundation's software and to any other program whose authors commit to
using it. (Some other Free Software Foundation software is covered by
the GNU Lesser General Public License instead.) You can apply it to
your programs, too.
When we speak of free software, we are referring to freedom, not
price. Our General Public Licenses are designed to make sure that you
have the freedom to distribute copies of free software (and charge for
this service if you wish), that you receive source code or can get it
if you want it, that you can change the software or use pieces of it
in new free programs; and that you know you can do these things.
To protect your rights, we need to make restrictions that forbid
anyone to deny you these rights or to ask you to surrender the rights.
These restrictions translate to certain responsibilities for you if you
distribute copies of the software, or if you modify it.
For example, if you distribute copies of such a program, whether
gratis or for a fee, you must give the recipients all the rights that
you have. You must make sure that they, too, receive or can get the
source code. And you must show them these terms so they know their
rights.
We protect your rights with two steps: (1) copyright the software, and
(2) offer you this license which gives you legal permission to copy,
distribute and/or modify the software.
Also, for each author's protection and ours, we want to make certain
that everyone understands that there is no warranty for this free
software. If the software is modified by someone else and passed on, we
want its recipients to know that what they have is not the original, so
that any problems introduced by others will not reflect on the original
authors' reputations.
Finally, any free program is threatened constantly by software
patents. We wish to avoid the danger that redistributors of a free
program will individually obtain patent licenses, in effect making the
program proprietary. To prevent this, we have made it clear that any
patent must be licensed for everyone's free use or not licensed at all.
The precise terms and conditions for copying, distribution and
modification follow.
GNU GENERAL PUBLIC LICENSE
TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
0. This License applies to any program or other work which contains
a notice placed by the copyright holder saying it may be distributed
under the terms of this General Public License. The "Program", below,
refers to any such program or work, and a "work based on the Program"
means either the Program or any derivative work under copyright law:
that is to say, a work containing the Program or a portion of it,
either verbatim or with modifications and/or translated into another
language. (Hereinafter, translation is included without limitation in
the term "modification".) Each licensee is addressed as "you".
Activities other than copying, distribution and modification are not
covered by this License; they are outside its scope. The act of
running the Program is not restricted, and the output from the Program
is covered only if its contents constitute a work based on the
Program (independent of having been made by running the Program).
Whether that is true depends on what the Program does.
1. You may copy and distribute verbatim copies of the Program's
source code as you receive it, in any medium, provided that you
conspicuously and appropriately publish on each copy an appropriate
copyright notice and disclaimer of warranty; keep intact all the
notices that refer to this License and to the absence of any warranty;
and give any other recipients of the Program a copy of this License
along with the Program.
You may charge a fee for the physical act of transferring a copy, and
you may at your option offer warranty protection in exchange for a fee.
2. You may modify your copy or copies of the Program or any portion
of it, thus forming a work based on the Program, and copy and
distribute such modifications or work under the terms of Section 1
above, provided that you also meet all of these conditions:
a) You must cause the modified files to carry prominent notices
stating that you changed the files and the date of any change.
b) You must cause any work that you distribute or publish, that in
whole or in part contains or is derived from the Program or any
part thereof, to be licensed as a whole at no charge to all third
parties under the terms of this License.
c) If the modified program normally reads commands interactively
when run, you must cause it, when started running for such
interactive use in the most ordinary way, to print or display an
announcement including an appropriate copyright notice and a
notice that there is no warranty (or else, saying that you provide
a warranty) and that users may redistribute the program under
these conditions, and telling the user how to view a copy of this
License. (Exception: if the Program itself is interactive but
does not normally print such an announcement, your work based on
the Program is not required to print an announcement.)
These requirements apply to the modified work as a whole. If
identifiable sections of that work are not derived from the Program,
and can be reasonably considered independent and separate works in
themselves, then this License, and its terms, do not apply to those
sections when you distribute them as separate works. But when you
distribute the same sections as part of a whole which is a work based
on the Program, the distribution of the whole must be on the terms of
this License, whose permissions for other licensees extend to the
entire whole, and thus to each and every part regardless of who wrote it.
Thus, it is not the intent of this section to claim rights or contest
your rights to work written entirely by you; rather, the intent is to
exercise the right to control the distribution of derivative or
collective works based on the Program.
In addition, mere aggregation of another work not based on the Program
with the Program (or with a work based on the Program) on a volume of
a storage or distribution medium does not bring the other work under
the scope of this License.
3. You may copy and distribute the Program (or a work based on it,
under Section 2) in object code or executable form under the terms of
Sections 1 and 2 above provided that you also do one of the following:
a) Accompany it with the complete corresponding machine-readable
source code, which must be distributed under the terms of Sections
1 and 2 above on a medium customarily used for software interchange; or,
b) Accompany it with a written offer, valid for at least three
years, to give any third party, for a charge no more than your
cost of physically performing source distribution, a complete
machine-readable copy of the corresponding source code, to be
distributed under the terms of Sections 1 and 2 above on a medium
customarily used for software interchange; or,
c) Accompany it with the information you received as to the offer
to distribute corresponding source code. (This alternative is
allowed only for noncommercial distribution and only if you
received the program in object code or executable form with such
an offer, in accord with Subsection b above.)
The source code for a work means the preferred form of the work for
making modifications to it. For an executable work, complete source
code means all the source code for all modules it contains, plus any
associated interface definition files, plus the scripts used to
control compilation and installation of the executable. However, as a
special exception, the source code distributed need not include
anything that is normally distributed (in either source or binary
form) with the major components (compiler, kernel, and so on) of the
operating system on which the executable runs, unless that component
itself accompanies the executable.
If distribution of executable or object code is made by offering
access to copy from a designated place, then offering equivalent
access to copy the source code from the same place counts as
distribution of the source code, even though third parties are not
compelled to copy the source along with the object code.
4. You may not copy, modify, sublicense, or distribute the Program
except as expressly provided under this License. Any attempt
otherwise to copy, modify, sublicense or distribute the Program is
void, and will automatically terminate your rights under this License.
However, parties who have received copies, or rights, from you under
this License will not have their licenses terminated so long as such
parties remain in full compliance.
5. You are not required to accept this License, since you have not
signed it. However, nothing else grants you permission to modify or
distribute the Program or its derivative works. These actions are
prohibited by law if you do not accept this License. Therefore, by
modifying or distributing the Program (or any work based on the
Program), you indicate your acceptance of this License to do so, and
all its terms and conditions for copying, distributing or modifying
the Program or works based on it.
6. Each time you redistribute the Program (or any work based on the
Program), the recipient automatically receives a license from the
original licensor to copy, distribute or modify the Program subject to
these terms and conditions. You may not impose any further
restrictions on the recipients' exercise of the rights granted herein.
You are not responsible for enforcing compliance by third parties to
this License.
7. If, as a consequence of a court judgment or allegation of patent
infringement or for any other reason (not limited to patent issues),
conditions are imposed on you (whether by court order, agreement or
otherwise) that contradict the conditions of this License, they do not
excuse you from the conditions of this License. If you cannot
distribute so as to satisfy simultaneously your obligations under this
License and any other pertinent obligations, then as a consequence you
may not distribute the Program at all. For example, if a patent
license would not permit royalty-free redistribution of the Program by
all those who receive copies directly or indirectly through you, then
the only way you could satisfy both it and this License would be to
refrain entirely from distribution of the Program.
If any portion of this section is held invalid or unenforceable under
any particular circumstance, the balance of the section is intended to
apply and the section as a whole is intended to apply in other
circumstances.
It is not the purpose of this section to induce you to infringe any
patents or other property right claims or to contest validity of any
such claims; this section has the sole purpose of protecting the
integrity of the free software distribution system, which is
implemented by public license practices. Many people have made
generous contributions to the wide range of software distributed
through that system in reliance on consistent application of that
system; it is up to the author/donor to decide if he or she is willing
to distribute software through any other system and a licensee cannot
impose that choice.
This section is intended to make thoroughly clear what is believed to
be a consequence of the rest of this License.
8. If the distribution and/or use of the Program is restricted in
certain countries either by patents or by copyrighted interfaces, the
original copyright holder who places the Program under this License
may add an explicit geographical distribution limitation excluding
those countries, so that distribution is permitted only in or among
countries not thus excluded. In such case, this License incorporates
the limitation as if written in the body of this License.
9. The Free Software Foundation may publish revised and/or new versions
of the General Public License from time to time. Such new versions will
be similar in spirit to the present version, but may differ in detail to
address new problems or concerns.
Each version is given a distinguishing version number. If the Program
specifies a version number of this License which applies to it and "any
later version", you have the option of following the terms and conditions
either of that version or of any later version published by the Free
Software Foundation. If the Program does not specify a version number of
this License, you may choose any version ever published by the Free Software
Foundation.
10. If you wish to incorporate parts of the Program into other free
programs whose distribution conditions are different, write to the author
to ask for permission. For software which is copyrighted by the Free
Software Foundation, write to the Free Software Foundation; we sometimes
make exceptions for this. Our decision will be guided by the two goals
of preserving the free status of all derivatives of our free software and
of promoting the sharing and reuse of software generally.
NO WARRANTY
11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY
FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN
OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES
PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED
OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS
TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE
PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING,
REPAIR OR CORRECTION.
12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR
REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES,
INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING
OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED
TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY
YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER
PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE
POSSIBILITY OF SUCH DAMAGES.
END OF TERMS AND CONDITIONS
How to Apply These Terms to Your New Programs
If you develop a new program, and you want it to be of the greatest
possible use to the public, the best way to achieve this is to make it
free software which everyone can redistribute and change under these terms.
To do so, attach the following notices to the program. It is safest
to attach them to the start of each source file to most effectively
convey the exclusion of warranty; and each file should have at least
the "copyright" line and a pointer to where the full notice is found.
<one line to give the program's name and a brief idea of what it does.>
Copyright (C) <year> <name of author>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
Also add information on how to contact you by electronic and paper mail.
If the program is interactive, make it output a short notice like this
when it starts in an interactive mode:
Gnomovision version 69, Copyright (C) year name of author
Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
This is free software, and you are welcome to redistribute it
under certain conditions; type `show c' for details.
The hypothetical commands `show w' and `show c' should show the appropriate
parts of the General Public License. Of course, the commands you use may
be called something other than `show w' and `show c'; they could even be
mouse-clicks or menu items--whatever suits your program.
You should also get your employer (if you work as a programmer) or your
school, if any, to sign a "copyright disclaimer" for the program, if
necessary. Here is a sample; alter the names:
Yoyodyne, Inc., hereby disclaims all copyright interest in the program
`Gnomovision' (which makes passes at compilers) written by James Hacker.
<signature of Ty Coon>, 1 April 1989
Ty Coon, President of Vice
This General Public License does not permit incorporating your program into
proprietary programs. If your program is a subroutine library, you may
consider it more useful to permit linking proprietary applications with the
library. If this is what you want to do, use the GNU Lesser General
Public License instead of this License.