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Add basic systemd service to deb and rpm
- Install `otel-collector` systemd service and run as `otel:otel` user:group - Add simple installation test scripts using systemd-in-docker images
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,45 @@ | ||
| #!/bin/bash | ||
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| FPM_DIR="$( cd "$( dirname ${BASH_SOURCE[0]} )" && pwd )" | ||
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| PKG_NAME="otel-collector" | ||
| PKG_VENDOR="OpenTelemetry Community" | ||
| PKG_MAINTAINER="OpenTelemetry Community <cncf-opentelemetry-community@lists.cncf.io>" | ||
| PKG_DESCRIPTION="OpenTelemetry Collector" | ||
| PKG_LICENSE="Apache 2.0" | ||
| PKG_URL="https://github.com/open-telemetry/opentelemetry-collector" | ||
| PKG_USER="otel" | ||
| PKG_GROUP="otel" | ||
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| SERVICE_NAME="otel-collector" | ||
| PROCESS_NAME="otelcol" | ||
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| SERVICE_PATH="$FPM_DIR/$SERVICE_NAME.service" | ||
| PREINSTALL_PATH="$FPM_DIR/preinstall.sh" | ||
| POSTINSTALL_PATH="$FPM_DIR/postinstall.sh" | ||
| PREUNINSTALL_PATH="$FPM_DIR/preuninstall.sh" | ||
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| install_pkg() { | ||
| local pkg_path="$1" | ||
| local pkg_base=$( basename "$pkg_path" ) | ||
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| echo "Installing $pkg_base ..." | ||
| docker cp "$pkg_path" $image_name:/tmp/$pkg_base | ||
| if [[ "${pkg_base##*.}" = "deb" ]]; then | ||
| $docker_exec dpkg -i /tmp/$pkg_base | ||
| else | ||
| $docker_exec rpm -ivh /tmp/$pkg_base | ||
| fi | ||
| } | ||
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| uninstall_pkg() { | ||
| local pkg_type="$1" | ||
| local pkg_name="${2:-"$PKG_NAME"}" | ||
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| echo "Uninstalling $pkg_name ..." | ||
| if [[ "$pkg_type" = "deb" ]]; then | ||
| $docker_exec dpkg -r $pkg_name | ||
| else | ||
| $docker_exec rpm -e $pkg_name | ||
| fi | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,22 @@ | ||
| # A debian9 image with systemd enabled. Must be run with: | ||
| # `-d --privileged -v /sys/fs/cgroup:/sys/fs/cgroup:ro` flags | ||
| FROM debian:9 | ||
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| RUN apt-get update &&\ | ||
| apt-get install -yq ca-certificates procps systemd | ||
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| ENV container docker | ||
| RUN (cd /lib/systemd/system/sysinit.target.wants/; for i in *; do [ $i = \ | ||
| "systemd-tmpfiles-setup.service" ] || rm -f $i; done); \ | ||
| rm -f /lib/systemd/system/multi-user.target.wants/*;\ | ||
| rm -f /lib/systemd/system/local-fs.target.wants/*; \ | ||
| rm -f /lib/systemd/system/sockets.target.wants/*udev*; \ | ||
| rm -f /lib/systemd/system/sockets.target.wants/*initctl*; \ | ||
| rm -f /lib/systemd/system/anaconda.target.wants/*; | ||
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| RUN systemctl set-default multi-user.target | ||
| ENV init /lib/systemd/systemd | ||
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| VOLUME [ "/sys/fs/cgroup" ] | ||
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| ENTRYPOINT ["/lib/systemd/systemd"] |
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14 changes: 14 additions & 0 deletions
14
internal/buildscripts/packaging/fpm/otel-collector.service
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,14 @@ | ||
| [Unit] | ||
| Description=OpenTelemety Collector | ||
| After=network.target | ||
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| [Service] | ||
| ExecStart=/usr/bin/otelcol --config /etc/otel-collector/config.yaml | ||
| KillMode=mixed | ||
| Restart=on-failure | ||
| Type=simple | ||
| User=otel | ||
| Group=otel | ||
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| [Install] | ||
| WantedBy=multi-user.target |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,8 @@ | ||
| #!/bin/sh | ||
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| if command -v systemctl >/dev/null 2>&1; then | ||
| systemctl enable otel-collector.service | ||
| if [ -f /etc/otel-collector/config.yaml ]; then | ||
| systemctl start otel-collector.service | ||
| fi | ||
| fi |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,3 @@ | ||
| #!/bin/sh | ||
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| getent passwd otel >/dev/null || useradd --system --user-group --no-create-home --shell /sbin/nologin otel |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,6 @@ | ||
| #!/bin/sh | ||
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| if command -v systemctl >/dev/null 2>&1; then | ||
| systemctl stop otel-collector.service | ||
| systemctl disable otel-collector.service | ||
| fi |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,20 @@ | ||
| # A centos8 image with systemd enabled. Must be run with: | ||
| # `-d --privileged -v /sys/fs/cgroup:/sys/fs/cgroup:ro` flags | ||
| FROM centos:8 | ||
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| ENV container docker | ||
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| RUN dnf install -y initscripts | ||
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| RUN (cd /lib/systemd/system/sysinit.target.wants/; for i in *; do [ $i = \ | ||
| "systemd-tmpfiles-setup.service" ] || rm -f $i; done); \ | ||
| rm -f /lib/systemd/system/multi-user.target.wants/*;\ | ||
| rm -f /lib/systemd/system/local-fs.target.wants/*; \ | ||
| rm -f /lib/systemd/system/sockets.target.wants/*udev*; \ | ||
| rm -f /lib/systemd/system/sockets.target.wants/*initctl*; \ | ||
| rm -f /lib/systemd/system/basic.target.wants/*;\ | ||
| rm -f /lib/systemd/system/anaconda.target.wants/*; | ||
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| VOLUME [ "/sys/fs/cgroup" ] | ||
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| CMD ["/usr/sbin/init"] |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,73 @@ | ||
| #!/bin/bash | ||
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| set -euo pipefail | ||
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| SCRIPT_DIR="$( cd "$( dirname ${BASH_SOURCE[0]} )" && pwd )" | ||
| REPO_DIR="$( cd "$SCRIPT_DIR/../../../../" && pwd )" | ||
| PKG_PATH=${1:-} | ||
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| . $SCRIPT_DIR/common.sh | ||
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| if [[ -z "$PKG_PATH" ]]; then | ||
| echo "usage: ${BASH_SOURCE[0]} DEB_OR_RPM_PATH" >&2 | ||
| exit 1 | ||
| fi | ||
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| if [[ ! -f "$PKG_PATH" ]]; then | ||
| echo "$PKG_PATH not found!" >&2 | ||
| exit 1 | ||
| fi | ||
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| pkg_name="$( basename "$PKG_PATH" )" | ||
| pkg_type="${pkg_name##*.}" | ||
| if [[ ! "$pkg_type" =~ ^(deb|rpm)$ ]]; then | ||
| echo "$PKG_PATH not supported!" >&2 | ||
| exit 1 | ||
| fi | ||
| image_name="otelcol-$pkg_type-test" | ||
| container_name="$image_name" | ||
| docker_run="docker run --name $container_name -d -v /sys/fs/cgroup:/sys/fs/cgroup:ro --privileged $image_name" | ||
| docker_exec="docker exec $container_name" | ||
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| trap "docker rm -fv $container_name >/dev/null 2>&1 || true" EXIT | ||
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| docker build -t $image_name -f "$SCRIPT_DIR/$pkg_type/Dockerfile.test" "$SCRIPT_DIR" | ||
| docker rm -fv $container_name >/dev/null 2>&1 || true | ||
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| # test install | ||
| echo | ||
| $docker_run | ||
| install_pkg "$PKG_PATH" | ||
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| # ensure service has started and still running after 5 seconds | ||
| sleep 5 | ||
| echo "Checking $SERVICE_NAME service status ..." | ||
| $docker_exec systemctl --no-pager status $SERVICE_NAME | ||
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| echo "Checking $PROCESS_NAME process ..." | ||
| $docker_exec pgrep -a -u otel $PROCESS_NAME | ||
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| # test uninstall | ||
| echo | ||
| uninstall_pkg $pkg_type | ||
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| echo "Checking $SERVICE_NAME service status after uninstall ..." | ||
| if $docker_exec systemctl --no-pager status $SERVICE_NAME; then | ||
| echo "$SERVICE_NAME service still running after uninstall!" >&2 | ||
| exit 1 | ||
| fi | ||
| echo "$SERVICE_NAME service successfully stopped after uninstall" | ||
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| echo "Checking $SERVICE_NAME service existence after uninstall ..." | ||
| if $docker_exec systemctl list-unit-files --all | grep $SERVICE_NAME; then | ||
| echo "$SERVICE_NAME service still exists after uninstall!" >&2 | ||
| exit 1 | ||
| fi | ||
| echo "$SERVICE_NAME service successfully removed after uninstall" | ||
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| echo "Checking $PROCESS_NAME process after uninstall ..." | ||
| if $docker_exec pgrep $PROCESS_NAME; then | ||
| echo "$PROCESS_NAME process still running after uninstall!" >&2 | ||
| exit 1 | ||
| fi | ||
| echo "$PROCESS_NAME process successfully killed after uninstall" |