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Include splunk-otel-js in auto instrumentation deb/rpm (#3540)
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* Add systemd sample file to splunk-otel-auto-instrumention

* Update tests for new libsplunk.so

* Include splunk-otel-js in auto instrumentation deb/rpm

* Include default /etc/splunk/zeroconfig_node.conf in deb/rpm packages
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jeffreyc-splunk committed Sep 14, 2023
1 parent b39393e commit 865c112
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10 changes: 10 additions & 0 deletions .gitlab-ci.yml
Original file line number Diff line number Diff line change
Expand Up @@ -157,6 +157,16 @@ update-javaagent:
- .gitlab/install-gh-cli.sh
- .gitlab/update-javaagent.sh

update-nodejs-agent:
only:
- schedules
stage: update-deps
needs: []
dependencies: []
script:
- .gitlab/install-gh-cli.sh
- .gitlab/update-nodejs-agent.sh

tidy-dependabot-pr:
rules:
- if: $CI_COMMIT_BRANCH =~ /^dependabot\/go_modules\/.*/ && $CI_COMMIT_AUTHOR =~ /^dependabot.*/
Expand Down
55 changes: 55 additions & 0 deletions .gitlab/update-nodejs-agent.sh
Original file line number Diff line number Diff line change
@@ -0,0 +1,55 @@
#!/usr/bin/env bash
set -euo pipefail

# NOTE: this script is meant to be run on the GitLab CI, it depends on GitLab CI variables
# Based on https://github.com/signalfx/splunk-otel-java/blob/c9134906c84e9a32a974dec4b380453fe1757410/scripts/propagate-version.sh

SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"

# shellcheck source-path=SCRIPTDIR
source "${SCRIPT_DIR}/common.sh"

ROOT_DIR="${SCRIPT_DIR}/../"
cd "${ROOT_DIR}"

create_collector_pr() {
local repo="signalfx/splunk-otel-collector"
local repo_url="https://srv-gh-o11y-gdi:${GITHUB_TOKEN}@github.com/${repo}.git"
local branch="create-pull-request/update-nodejs-agent"
local message="Update splunk-otel-js to latest"

echo ">>> Cloning the $repo repository ..."
git clone "$repo_url" collector-mirror
cd collector-mirror

setup_branch "$branch" "$repo_url"

echo ">>> Getting latest splunk-otel-js release ..."
tag="$( gh release view --repo "https://github.com/signalfx/splunk-otel-js" --json tagName --jq 'select(.isDraft|not and .isPrelease|not) | .tagName' )"
if [[ -n "$tag" ]]; then
echo ">>> Updating splunk-otel-js version to $tag ..."
echo "$tag" > instrumentation/packaging/nodejs-agent-release.txt
else
echo "ERROR: Failed to get latest release tag from https://github.com/signalfx/splunk-otel-js !" >&2
exit 1
fi

# Only create the PR if there are changes
if ! git diff --exit-code >/dev/null 2>&1; then
git commit -S -am "$message"
git push -f "$repo_url" "$branch"
echo ">>> Creating the PR ..."
gh pr create \
--draft \
--repo "$repo" \
--title "$message" \
--body "$message" \
--base main \
--head "$branch"
fi
}

setup_gpg
import_gpg_secret_key "$GITHUB_BOT_GPG_KEY"
setup_git
create_collector_pr
41 changes: 32 additions & 9 deletions instrumentation/packaging/fpm/common.sh
Original file line number Diff line number Diff line change
Expand Up @@ -29,11 +29,18 @@ LIBSPLUNK_INSTALL_PATH="${INSTALL_DIR}/libsplunk.so"
JAVA_AGENT_INSTALL_PATH="${INSTALL_DIR}/splunk-otel-javaagent.jar"
JAVA_CONFIG_REPO_PATH="${FPM_DIR}/zeroconfig_java.conf"
JAVA_CONFIG_INSTALL_PATH="/etc/splunk/zeroconfig_java.conf"
NODE_CONFIG_REPO_PATH="${FPM_DIR}/zeroconfig_node.conf"
NODE_CONFIG_INSTALL_PATH="/etc/splunk/zeroconfig_node.conf"
EXAMPLES_INSTALL_DIR="${INSTALL_DIR}/examples"
EXAMPLES_DIR="${FPM_DIR}/examples"

JAVA_AGENT_RELEASE_PATH="${FPM_DIR}/../java-agent-release.txt"
JAVA_AGENT_RELEASE_URL="https://github.com/signalfx/splunk-otel-java/releases/"
JAVA_AGENT_INSTALL_PATH="${INSTALL_DIR}/splunk-otel-javaagent.jar"

NODEJS_AGENT_RELEASE_PATH="${FPM_DIR}/../nodejs-agent-release.txt"
NODEJS_AGENT_RELEASE_URL="https://github.com/signalfx/splunk-otel-js/releases/"
NODEJS_AGENT_INSTALL_PATH="${INSTALL_DIR}/splunk-otel-js.tgz"

PREUNINSTALL_PATH="$FPM_DIR/preuninstall.sh"

Expand Down Expand Up @@ -66,28 +73,44 @@ download_java_agent() {
curl -sfL "$dl_url" -o "$dest"
}

download_nodejs_agent() {
local tag="$1"
local dest="$2"
local dl_url="$NODEJS_AGENT_RELEASE_URL/download/$tag/splunk-otel-${tag#v}.tgz"

echo "Downloading $dl_url ..."
mkdir -p "$( dirname $dest )"
curl -sfL "$dl_url" -o "$dest"
}

setup_files_and_permissions() {
local libsplunk="$1"
local java_agent="$2"
local buildroot="$3"
local arch="$1"
local buildroot="$2"
local libsplunk="$REPO_DIR/instrumentation/dist/libsplunk_${arch}.so"
local java_agent_release="$(cat "$JAVA_AGENT_RELEASE_PATH")"
local nodejs_agent_release="$(cat "$NODEJS_AGENT_RELEASE_PATH")"

mkdir -p "$buildroot/$(dirname $LIBSPLUNK_INSTALL_PATH)"
cp -f "$libsplunk" "$buildroot/$LIBSPLUNK_INSTALL_PATH"
sudo chown root:root "$buildroot/$LIBSPLUNK_INSTALL_PATH"
sudo chmod 755 "$buildroot/$LIBSPLUNK_INSTALL_PATH"

mkdir -p "$buildroot/$(dirname $JAVA_AGENT_INSTALL_PATH)"
cp -f "$java_agent" "$buildroot/$JAVA_AGENT_INSTALL_PATH"
sudo chown root:root "$buildroot/$JAVA_AGENT_INSTALL_PATH"
download_java_agent "$java_agent_release" "${buildroot}/${JAVA_AGENT_INSTALL_PATH}"
sudo chmod 755 "$buildroot/$JAVA_AGENT_INSTALL_PATH"

download_nodejs_agent "$nodejs_agent_release" "${buildroot}/${NODEJS_AGENT_INSTALL_PATH}"
sudo chmod 644 "$buildroot/$NODEJS_AGENT_INSTALL_PATH"

mkdir -p "$buildroot/$(dirname $JAVA_CONFIG_INSTALL_PATH)"
cp -f "$JAVA_CONFIG_REPO_PATH" "$buildroot/$JAVA_CONFIG_INSTALL_PATH"
sudo chown root:root "$buildroot/$JAVA_CONFIG_INSTALL_PATH"
sudo chmod 644 "$buildroot/$JAVA_CONFIG_INSTALL_PATH"

mkdir -p "$buildroot/$(dirname $NODE_CONFIG_INSTALL_PATH)"
cp -f "$NODE_CONFIG_REPO_PATH" "$buildroot/$NODE_CONFIG_INSTALL_PATH"
sudo chmod 644 "$buildroot/$NODE_CONFIG_INSTALL_PATH"

mkdir -p "$buildroot/$INSTALL_DIR"
cp -rf "$EXAMPLES_DIR" "$buildroot/$INSTALL_DIR/"
sudo chown -R root:root "$buildroot/$EXAMPLES_INSTALL_DIR"
sudo chmod -R 644 "$buildroot/$EXAMPLES_INSTALL_DIR"

sudo chown -R root:root "$buildroot"
}
8 changes: 2 additions & 6 deletions instrumentation/packaging/fpm/deb/build.sh
Original file line number Diff line number Diff line change
Expand Up @@ -22,20 +22,15 @@ SCRIPT_DIR="$( cd "$( dirname ${BASH_SOURCE[0]} )" && pwd )"
VERSION="${1:-}"
ARCH="${2:-amd64}"
OUTPUT_DIR="${3:-$REPO_DIR/instrumentation/dist}"
LIBSPLUNK_PATH="$REPO_DIR/instrumentation/dist/libsplunk_${ARCH}.so"
JAVA_AGENT_PATH="$REPO_DIR/instrumentation/dist/splunk-otel-javaagent.jar"
JAVA_AGENT_RELEASE="$(cat $JAVA_AGENT_RELEASE_PATH)"

if [[ -z "$VERSION" ]]; then
VERSION="$( get_version )"
fi
VERSION="${VERSION#v}"

download_java_agent "$JAVA_AGENT_RELEASE" "$JAVA_AGENT_PATH"

buildroot="$(mktemp -d)"

setup_files_and_permissions "$LIBSPLUNK_PATH" "$JAVA_AGENT_PATH" "$buildroot"
setup_files_and_permissions "$ARCH" "$buildroot"

mkdir -p "$OUTPUT_DIR"

Expand All @@ -53,6 +48,7 @@ sudo fpm -s dir -t deb -n "$PKG_NAME" -v "$VERSION" -f -p "$OUTPUT_DIR" \
--depends sed \
--depends grep \
--config-files "$JAVA_CONFIG_INSTALL_PATH" \
--config-files "$NODE_CONFIG_INSTALL_PATH" \
"$buildroot/"=/

dpkg -c "${OUTPUT_DIR}/${PKG_NAME}_${VERSION}_${ARCH}.deb"
Original file line number Diff line number Diff line change
Expand Up @@ -13,14 +13,17 @@
# limitations under the License.

# Sample systemd drop-in file to activate and configure Splunk OpenTelemetry Auto Instrumentation for Java
# https://docs.splunk.com/Observability/gdi/get-data-in/application/java/get-started.html

# To use this file to activate/configure auto instrumentation for all supported Java applications running as systemd
# services (requires root privileges):
# 1. See https://docs.splunk.com/Observability/gdi/get-data-in/application/java/configuration/advanced-java-otel-configuration.html
# 1. Check https://docs.splunk.com/Observability/gdi/get-data-in/application/java/java-otel-requirements.html for
# minimum requirements
# 2. See https://docs.splunk.com/Observability/gdi/get-data-in/application/java/configuration/advanced-java-otel-configuration.html
# for supported environment variables and defaults for Java auto instrumentation
# 2. Add/Update the DefaultEnvironment entries below for the desired environment variables and values
# 3. Copy this file to the systemd configuration directory, e.g. /usr/lib/systemd/system.conf.d
# 4. Reboot the system or run the following commands to restart the applicable service(s) for any changes to take effect:
# 3. Add/Update the DefaultEnvironment entries below for the desired environment variables and values
# 4. Copy this file to the systemd configuration directory, e.g. /usr/lib/systemd/system.conf.d/
# 5. Reboot the system or run the following commands to restart the applicable service(s) for any changes to take effect:
# $ sudo systemctl daemon-reload
# $ sudo systemctl restart <service-name> # replace "<service-name>" and run for each applicable service

Expand Down
Original file line number Diff line number Diff line change
@@ -0,0 +1,43 @@
# Copyright Splunk Inc.
#
# 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.

# Sample systemd drop-in file to activate and configure Splunk OpenTelemetry Auto Instrumentation for Node.js
# https://docs.splunk.com/Observability/gdi/get-data-in/application/nodejs/get-started.html

# To use this file to activate/configure auto instrumentation for all supported Node.js applications running as systemd
# services (requires root privileges):
# 1. Check https://docs.splunk.com/Observability/gdi/get-data-in/application/nodejs/nodejs-otel-requirements.html for
# minimum requirements.
# 2. Install the provided Node.js auto instrumentation package with npm. For example:
# $ sudo npm install --global /usr/lib/splunk-instrumentation/splunk-otel-js.tar.gz
# 3. See https://docs.splunk.com/Observability/gdi/get-data-in/application/nodejs/configuration/advanced-nodejs-otel-configuration.html
# for supported environment variables and defaults for Node.js auto instrumentation
# 4. Add/Update the DefaultEnvironment entries below for the desired environment variables and values
# 5. Copy this file to the systemd configuration directory, e.g. /usr/lib/systemd/system.conf.d/
# 6. Reboot the system or run the following commands to restart the applicable service(s) for any changes to take effect:
# $ sudo systemctl daemon-reload
# $ sudo systemctl restart <service-name> # replace "<service-name>" and run for each applicable service

# See https://www.freedesktop.org/software/systemd/man/systemd-system.conf.html for general information
# about systemd configuration and other supported options.

[Manager]
# Required to activate Splunk OpenTelemetry Auto Instrumentation for Node.js
DefaultEnvironment="NODE_OPTIONS=-r @splunk/otel/instrument"

# Examples of common configuration options:
#DefaultEnvironment="OTEL_EXPORTER_OTLP_ENDPOINT=http://1.2.3.4:5678"
#DefaultEnvironment="OTEL_RESOURCE_ATTRIBUTES=deployment.environment=my_deployment_environment"
#DefaultEnvironment="OTEL_SERVICE_NAME=my_service_name"
#DefaultEnvironment="SPLUNK_PROFILER_ENABLED=true"
8 changes: 2 additions & 6 deletions instrumentation/packaging/fpm/rpm/build.sh
Original file line number Diff line number Diff line change
Expand Up @@ -22,9 +22,6 @@ SCRIPT_DIR="$( cd "$( dirname ${BASH_SOURCE[0]} )" && pwd )"
VERSION="${1:-}"
ARCH="${2:-amd64}"
OUTPUT_DIR="${3:-$REPO_DIR/instrumentation/dist}"
LIBSPLUNK_PATH="$REPO_DIR/instrumentation/dist/libsplunk_${ARCH}.so"
JAVA_AGENT_PATH="$REPO_DIR/instrumentation/dist/splunk-otel-javaagent.jar"
JAVA_AGENT_RELEASE="$(cat $JAVA_AGENT_RELEASE_PATH)"

if [[ -z "$VERSION" ]]; then
VERSION="$( get_version )"
Expand All @@ -34,11 +31,9 @@ fi
VERSION="${VERSION/'-'/'~'}"
VERSION="${VERSION#v}"

download_java_agent "$JAVA_AGENT_RELEASE" "$JAVA_AGENT_PATH"

buildroot="$(mktemp -d)"

setup_files_and_permissions "$LIBSPLUNK_PATH" "$JAVA_AGENT_PATH" "$buildroot"
setup_files_and_permissions "$ARCH" "$buildroot"

mkdir -p "$OUTPUT_DIR"

Expand All @@ -62,6 +57,7 @@ sudo fpm -s dir -t rpm -n "$PKG_NAME" -v "$VERSION" -f -p "$OUTPUT_DIR" \
--depends sed \
--depends grep \
--config-files "$JAVA_CONFIG_INSTALL_PATH" \
--config-files "$NODE_CONFIG_INSTALL_PATH" \
"$buildroot/"=/

rpm -qpli "${OUTPUT_DIR}/${PKG_NAME}-${VERSION}-1.${ARCH}.rpm"
1 change: 1 addition & 0 deletions instrumentation/packaging/fpm/zeroconfig_node.conf
Original file line number Diff line number Diff line change
@@ -0,0 +1 @@
NODE_OPTIONS=-r @splunk/otel/instrument
1 change: 1 addition & 0 deletions instrumentation/packaging/nodejs-agent-release.txt
Original file line number Diff line number Diff line change
@@ -0,0 +1 @@
v2.4.0
Original file line number Diff line number Diff line change
Expand Up @@ -42,16 +42,28 @@
INSTALLER_PATH = REPO_DIR / "internal" / "buildscripts" / "packaging" / "installer" / "install.sh"
COLLECTOR_CONFIG_PATH = TESTS_DIR / "instrumentation" / "config.yaml"
JAVA_AGENT_PATH = "/usr/lib/splunk-instrumentation/splunk-otel-javaagent.jar"
NODE_AGENT_PATH = "/usr/lib/splunk-instrumentation/splunk-otel-js.tgz"

PKG_NAME = "splunk-otel-auto-instrumentation"
LIBSPLUNK_PATH = "/usr/lib/splunk-instrumentation/libsplunk.so"
JAVA_CONFIG_PATH = "/etc/splunk/zeroconfig_java.conf"
CUSTOM_JAVA_CONFIG_PATH = TESTS_DIR / "instrumentation" / "libsplunk-java-test.conf"
DEFAULT_SYSTEMD_CONF_PATH = "/usr/lib/splunk-instrumentation/examples/systemd/00-splunk-otel-javaagent.conf"
NODE_CONFIG_PATH = "/etc/splunk/zeroconfig_node.conf"
SAMPLE_JAVA_SYSTEMD_CONF_PATH = "/usr/lib/splunk-instrumentation/examples/systemd/00-splunk-otel-javaagent.conf"
SAMPLE_NODE_SYSTEMD_CONF_PATH = "/usr/lib/splunk-instrumentation/examples/systemd/00-splunk-otel-js.conf"
CUSTOM_SYSTEMD_CONF_PATH = TESTS_DIR / "instrumentation" / "systemd-test.conf"
SYSTEMD_CONF_DIR = "/usr/lib/systemd/system.conf.d"
PRELOAD_PATH = "/etc/ld.so.preload"

INSTALLED_FILES = [
JAVA_AGENT_PATH,
NODE_AGENT_PATH,
LIBSPLUNK_PATH,
JAVA_CONFIG_PATH,
NODE_CONFIG_PATH,
SAMPLE_JAVA_SYSTEMD_CONF_PATH,
SAMPLE_NODE_SYSTEMD_CONF_PATH,
]

def get_dockerfile(distro):
if distro in DEB_DISTROS:
Expand Down Expand Up @@ -88,6 +100,9 @@ def install_package(container, distro, path):
else:
run_container_cmd(container, f"rpm -ivh {path}")

for path in INSTALLED_FILES:
assert container_file_exists(container, path), f"{path} not found"


def verify_preload(container, line, exists=True):
code, output = container.exec_run(f"cat {PRELOAD_PATH}")
Expand All @@ -112,7 +127,7 @@ def verify_tomcat_instrumentation(container, otelcol_path, test_case, source, at
stream = container.exec_run("journalctl -u splunk-otel-collector -f", stream=True).output
else:
run_container_cmd(container, f"mkdir -p {SYSTEMD_CONF_DIR}")
run_container_cmd(container, f"cp {DEFAULT_SYSTEMD_CONF_PATH} {SYSTEMD_CONF_DIR}/")
run_container_cmd(container, f"cp {SAMPLE_JAVA_SYSTEMD_CONF_PATH} {SYSTEMD_CONF_DIR}/")
if test_case == "custom":
copy_file_into_container(container, CUSTOM_SYSTEMD_CONF_PATH,
f"{SYSTEMD_CONF_DIR}/99-systemd-test.conf")
Expand Down Expand Up @@ -194,8 +209,6 @@ def test_tomcat_instrumentation(distro, arch, test_case, source):
run_container_cmd(container, f"chmod a+x /test/{otelcol_bin}")

install_package(container, distro, f"/test/{pkg_base}")
for path in [JAVA_AGENT_PATH, LIBSPLUNK_PATH, JAVA_CONFIG_PATH, DEFAULT_SYSTEMD_CONF_PATH]:
assert container_file_exists(container, path), f"{path} not found"

if test_case == "default":
# service name auto-generated by java agent
Expand Down Expand Up @@ -240,9 +253,6 @@ def test_package_uninstall(distro, arch):

verify_preload(container, "# This line should be preserved")

for path in [JAVA_AGENT_PATH, LIBSPLUNK_PATH, JAVA_CONFIG_PATH, DEFAULT_SYSTEMD_CONF_PATH]:
assert container_file_exists(container, path), f"{path} not found"

# verify libsplunk.so was not automatically added to /etc/ld.so.preload
verify_preload(container, LIBSPLUNK_PATH, exists=False)

Expand All @@ -262,7 +272,7 @@ def test_package_uninstall(distro, arch):
assert container.exec_run(f"rpm -q {PKG_NAME}").exit_code != 0

# verify files were uninstalled
for path in [JAVA_AGENT_PATH, LIBSPLUNK_PATH, JAVA_CONFIG_PATH, DEFAULT_SYSTEMD_CONF_PATH]:
for path in INSTALLED_FILES:
assert not container_file_exists(container, path)

# verify libsplunk.so was removed from /etc/ld.so.preload
Expand Down

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