diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..00a51af
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,6 @@
+#
+# https://help.github.com/articles/dealing-with-line-endings/
+#
+# These are explicitly windows files and should use crlf
+*.bat           text eol=crlf
+
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..145e6f5
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,5 @@
+# Ignore Gradle project-specific cache directory
+.gradle
+.idea
+# Ignore Gradle build output directory
+build
diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar
new file mode 100644
index 0000000..7454180
Binary files /dev/null and b/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
new file mode 100644
index 0000000..05679dc
--- /dev/null
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -0,0 +1,5 @@
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.1.1-bin.zip
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
diff --git a/gradlew b/gradlew
new file mode 100755
index 0000000..744e882
--- /dev/null
+++ b/gradlew
@@ -0,0 +1,185 @@
+#!/usr/bin/env sh
+
+#
+# Copyright 2015 the original author or authors.
+#
+# 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
+#
+#      https://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.
+#
+
+##############################################################################
+##
+##  Gradle start up script for UN*X
+##
+##############################################################################
+
+# Attempt to set APP_HOME
+# Resolve links: $0 may be a link
+PRG="$0"
+# Need this for relative symlinks.
+while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+        PRG="$link"
+    else
+        PRG=`dirname "$PRG"`"/$link"
+    fi
+done
+SAVED="`pwd`"
+cd "`dirname \"$PRG\"`/" >/dev/null
+APP_HOME="`pwd -P`"
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MSYS* | MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
+
+CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
+
+
+# Determine the Java command to use to start the JVM.
+if [ -n "$JAVA_HOME" ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+        # IBM's JDK on AIX uses strange locations for the executables
+        JAVACMD="$JAVA_HOME/jre/sh/java"
+    else
+        JAVACMD="$JAVA_HOME/bin/java"
+    fi
+    if [ ! -x "$JAVACMD" ] ; then
+        die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+    fi
+else
+    JAVACMD="java"
+    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+fi
+
+# Increase the maximum file descriptors if we can.
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
+    MAX_FD_LIMIT=`ulimit -H -n`
+    if [ $? -eq 0 ] ; then
+        if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
+            MAX_FD="$MAX_FD_LIMIT"
+        fi
+        ulimit -n $MAX_FD
+        if [ $? -ne 0 ] ; then
+            warn "Could not set maximum file descriptor limit: $MAX_FD"
+        fi
+    else
+        warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
+    fi
+fi
+
+# For Darwin, add options to specify how the application appears in the dock
+if $darwin; then
+    GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
+fi
+
+# For Cygwin or MSYS, switch paths to Windows format before running java
+if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then
+    APP_HOME=`cygpath --path --mixed "$APP_HOME"`
+    CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+
+    JAVACMD=`cygpath --unix "$JAVACMD"`
+
+    # We build the pattern for arguments to be converted via cygpath
+    ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
+    SEP=""
+    for dir in $ROOTDIRSRAW ; do
+        ROOTDIRS="$ROOTDIRS$SEP$dir"
+        SEP="|"
+    done
+    OURCYGPATTERN="(^($ROOTDIRS))"
+    # Add a user-defined pattern to the cygpath arguments
+    if [ "$GRADLE_CYGPATTERN" != "" ] ; then
+        OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
+    fi
+    # Now convert the arguments - kludge to limit ourselves to /bin/sh
+    i=0
+    for arg in "$@" ; do
+        CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
+        CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option
+
+        if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
+            eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
+        else
+            eval `echo args$i`="\"$arg\""
+        fi
+        i=`expr $i + 1`
+    done
+    case $i in
+        0) set -- ;;
+        1) set -- "$args0" ;;
+        2) set -- "$args0" "$args1" ;;
+        3) set -- "$args0" "$args1" "$args2" ;;
+        4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+        5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+        6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+        7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+        8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+        9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+    esac
+fi
+
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
+}
+APP_ARGS=`save "$@"`
+
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+exec "$JAVACMD" "$@"
diff --git a/gradlew.bat b/gradlew.bat
new file mode 100644
index 0000000..107acd3
--- /dev/null
+++ b/gradlew.bat
@@ -0,0 +1,89 @@
+@rem
+@rem Copyright 2015 the original author or authors.
+@rem
+@rem Licensed under the Apache License, Version 2.0 (the "License");
+@rem you may not use this file except in compliance with the License.
+@rem You may obtain a copy of the License at
+@rem
+@rem      https://www.apache.org/licenses/LICENSE-2.0
+@rem
+@rem Unless required by applicable law or agreed to in writing, software
+@rem distributed under the License is distributed on an "AS IS" BASIS,
+@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+@rem See the License for the specific language governing permissions and
+@rem limitations under the License.
+@rem
+
+@if "%DEBUG%" == "" @echo off
+@rem ##########################################################################
+@rem
+@rem  Gradle startup script for Windows
+@rem
+@rem ##########################################################################
+
+@rem Set local scope for the variables with windows NT shell
+if "%OS%"=="Windows_NT" setlocal
+
+set DIRNAME=%~dp0
+if "%DIRNAME%" == "" set DIRNAME=.
+set APP_BASE_NAME=%~n0
+set APP_HOME=%DIRNAME%
+
+@rem Resolve any "." and ".." in APP_HOME to make it shorter.
+for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi
+
+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
+
+@rem Find java.exe
+if defined JAVA_HOME goto findJavaFromJavaHome
+
+set JAVA_EXE=java.exe
+%JAVA_EXE% -version >NUL 2>&1
+if "%ERRORLEVEL%" == "0" goto execute
+
+echo.
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:findJavaFromJavaHome
+set JAVA_HOME=%JAVA_HOME:"=%
+set JAVA_EXE=%JAVA_HOME%/bin/java.exe
+
+if exist "%JAVA_EXE%" goto execute
+
+echo.
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:execute
+@rem Setup the command line
+
+set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
+
+
+@rem Execute Gradle
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %*
+
+:end
+@rem End local scope for the variables with windows NT shell
+if "%ERRORLEVEL%"=="0" goto mainEnd
+
+:fail
+rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
+rem the _cmd.exe /c_ return code!
+if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
+exit /b 1
+
+:mainEnd
+if "%OS%"=="Windows_NT" endlocal
+
+:omega
diff --git a/plugin/build.gradle.kts b/plugin/build.gradle.kts
new file mode 100644
index 0000000..652c1cd
--- /dev/null
+++ b/plugin/build.gradle.kts
@@ -0,0 +1,75 @@
+import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
+
+plugins {
+    `java-gradle-plugin`
+    `maven-publish`
+
+    id("org.jetbrains.kotlin.jvm") version "1.4.31"
+}
+tasks.withType<KotlinCompile> {
+    kotlinOptions.jvmTarget = "1.8"
+}
+
+repositories {
+    // Use Maven Central for resolving dependencies.
+    mavenCentral()
+}
+project.version = "0.0.1-SNAPSHOT"
+project.group="io.opentelemetry"
+
+dependencies {
+    implementation(platform("org.jetbrains.kotlin:kotlin-bom"))
+    implementation("org.jetbrains.kotlin:kotlin-stdlib-jdk8")
+
+    implementation(platform("io.opentelemetry:opentelemetry-bom:1.4.1"))
+    implementation("io.opentelemetry:opentelemetry-api")
+    implementation("io.opentelemetry:opentelemetry-sdk")
+    implementation("io.opentelemetry:opentelemetry-exporter-logging")
+    implementation("io.opentelemetry:opentelemetry-exporter-zipkin")
+    implementation("io.opentelemetry:opentelemetry-exporter-otlp-trace")
+    implementation("io.grpc:grpc-netty-shaded:1.34.1")
+
+    testImplementation("org.jetbrains.kotlin:kotlin-test")
+    testImplementation("org.jetbrains.kotlin:kotlin-test-junit")
+}
+
+gradlePlugin {
+    // Define the plugin
+    val tracing by plugins.creating {
+        id = "io.opentelemetry.gradle.tracing"
+        implementationClass = "io.opentelemetry.gradle.tracing.OtelTracingPlugin"
+    }
+}
+
+// Add a source set for the functional test suite
+val functionalTestSourceSet = sourceSets.create("functionalTest") {
+}
+
+gradlePlugin.testSourceSets(functionalTestSourceSet)
+configurations["functionalTestImplementation"].extendsFrom(configurations["testImplementation"])
+
+// Add a task to run the functional tests
+val functionalTest by tasks.registering(Test::class) {
+    testClassesDirs = functionalTestSourceSet.output.classesDirs
+    classpath = functionalTestSourceSet.runtimeClasspath
+}
+
+tasks.check {
+    // Run the functional tests as part of `check`
+    dependsOn(functionalTest)
+}
+
+publishing {
+    repositories {
+        mavenLocal()
+    }
+    publications {
+        register<MavenPublication>("pluginPublication") {
+            groupId = "io.opentelemetry"
+            artifactId = "gradle-tracing-plugin"
+            plugins.withId("java-gradle-plugin") {
+                from(components["java"])
+            }
+        }
+    }
+}
diff --git a/plugin/src/functionalTest/kotlin/io/opentelemetry/gradle/tracing/GradleOtelTracingPluginFunctionalTest.kt b/plugin/src/functionalTest/kotlin/io/opentelemetry/gradle/tracing/GradleOtelTracingPluginFunctionalTest.kt
new file mode 100644
index 0000000..a5dbd64
--- /dev/null
+++ b/plugin/src/functionalTest/kotlin/io/opentelemetry/gradle/tracing/GradleOtelTracingPluginFunctionalTest.kt
@@ -0,0 +1,37 @@
+/*
+ * This Kotlin source file was generated by the Gradle 'init' task.
+ */
+package io.opentelemetry.gradle.tracing
+
+import java.io.File
+import org.gradle.testkit.runner.GradleRunner
+import kotlin.test.Test
+import kotlin.test.assertTrue
+
+/**
+ * A simple functional test for the 'io.opentelemetry.gradle.tracing.greeting' plugin.
+ */
+class GradleOtelTracingPluginFunctionalTest {
+    @Test fun `can run task`() {
+        // Setup the test build
+        val projectDir = File("build/functionalTest")
+        projectDir.mkdirs()
+        projectDir.resolve("settings.gradle").writeText("")
+        projectDir.resolve("build.gradle").writeText("""
+            plugins {
+                id('io.opentelemetry.gradle.tracing.greeting')
+            }
+        """)
+
+        // Run the build
+        val runner = GradleRunner.create()
+        runner.forwardOutput()
+        runner.withPluginClasspath()
+        runner.withArguments("greeting")
+        runner.withProjectDir(projectDir)
+        val result = runner.build();
+
+        // Verify the result
+        assertTrue(result.output.contains("Hello from plugin 'io.opentelemetry.gradle.tracing.greeting'"))
+    }
+}
diff --git a/plugin/src/main/kotlin/io/opentelemetry/gradle/tracing/OtelTracingPlugin.kt b/plugin/src/main/kotlin/io/opentelemetry/gradle/tracing/OtelTracingPlugin.kt
new file mode 100644
index 0000000..ae2f3d0
--- /dev/null
+++ b/plugin/src/main/kotlin/io/opentelemetry/gradle/tracing/OtelTracingPlugin.kt
@@ -0,0 +1,102 @@
+package io.opentelemetry.gradle.tracing
+
+import io.opentelemetry.api.common.AttributeKey
+import io.opentelemetry.api.common.Attributes
+import io.opentelemetry.api.trace.Span
+import io.opentelemetry.api.trace.Tracer
+import io.opentelemetry.context.Context
+import io.opentelemetry.exporter.otlp.trace.OtlpGrpcSpanExporter
+import io.opentelemetry.sdk.OpenTelemetrySdk
+import io.opentelemetry.sdk.resources.Resource
+import io.opentelemetry.sdk.trace.SdkTracerProvider
+import io.opentelemetry.sdk.trace.export.BatchSpanProcessor
+import org.gradle.BuildListener
+import org.gradle.BuildResult
+import org.gradle.api.Plugin
+import org.gradle.api.Project
+import org.gradle.api.Task
+import org.gradle.api.initialization.Settings
+import org.gradle.api.invocation.Gradle
+import org.gradle.api.plugins.ExtensionAware
+import org.gradle.api.plugins.ExtraPropertiesExtension
+
+class OtelTracingPlugin : Plugin<Project> {
+    override fun apply(project: Project) {
+        val openTelemetry: OpenTelemetrySdk = initializeOpenTelemetry(project)
+
+        val tracer: Tracer = openTelemetry.getTracer("opentelemetry-build")
+        val rootProjectSpan: Span = tracer.spanBuilder(project.displayName).startSpan()
+        project.gradle.addBuildListener(object : BuildListener {
+            override fun settingsEvaluated(settings: Settings) {}
+
+            override fun projectsLoaded(gradle: Gradle) {}
+
+            override fun projectsEvaluated(gradle: Gradle) {}
+
+            override fun buildFinished(result: BuildResult) {
+                rootProjectSpan.end()
+                openTelemetry.sdkTracerProvider.forceFlush()
+            }
+        })
+        val spansByTask: MutableMap<Task, Span> = mutableMapOf<Task, Span>()
+        project.gradle.taskGraph.beforeTask {
+            val projectSpan: Span
+            val taskProject = it.project
+            if (taskProject.extra.has("projectSpan")) {
+                projectSpan = taskProject.extra["projectSpan"] as Span
+            } else {
+                projectSpan = tracer.spanBuilder(taskProject.displayName)
+                    .setParent(Context.current().with(rootProjectSpan))
+                    .startSpan()
+                taskProject.extra["projectSpan"] = projectSpan
+                //todo: would be better to end this at the end of the last task...but how?
+                projectSpan.end()
+            }
+            val span = tracer.spanBuilder(taskProject.displayName + " : " + it.name)
+                .setParent(Context.current().with(projectSpan))
+                .startSpan()
+            spansByTask[it] = span
+        }
+        project.gradle.taskGraph.afterTask {
+            val span = spansByTask[it]
+            if (span != null) {
+                val failure = it.state.failure
+                if (failure != null) {
+                    span.setStatus(io.opentelemetry.api.trace.StatusCode.ERROR)
+                    span.recordException(failure)
+                    span.setAttribute("error.message", failure.message ?: "None")
+                    if (failure.cause != null) {
+                        span.setAttribute("error.cause", failure.cause?.message ?: "Unknown")
+                    }
+                }
+                span.end()
+                spansByTask.remove(it)
+            }
+        }
+
+    }
+
+    private fun initializeOpenTelemetry(project: Project): OpenTelemetrySdk {
+        val openTelemetry: OpenTelemetrySdk = OpenTelemetrySdk.builder()
+            .setTracerProvider(
+                SdkTracerProvider.builder()
+                    .addSpanProcessor(
+                        BatchSpanProcessor.builder(
+                            OtlpGrpcSpanExporter.builder().build()
+                        ).build()
+                    )
+                    .setResource(
+                        Resource.create(
+                            Attributes.of(
+                                AttributeKey.stringKey("service.name"),
+                                project.name + " Build"
+                            )
+                        )
+                    )
+                    .build()
+            ).build()
+        return openTelemetry
+    }
+}
+private val ExtensionAware.extra: ExtraPropertiesExtension
+    get() = extensions.extraProperties
diff --git a/plugin/src/test/kotlin/io/opentelemetry/gradle/tracing/OtelTracingPluginTest.kt b/plugin/src/test/kotlin/io/opentelemetry/gradle/tracing/OtelTracingPluginTest.kt
new file mode 100644
index 0000000..9c904d0
--- /dev/null
+++ b/plugin/src/test/kotlin/io/opentelemetry/gradle/tracing/OtelTracingPluginTest.kt
@@ -0,0 +1,22 @@
+/*
+ * This Kotlin source file was generated by the Gradle 'init' task.
+ */
+package io.opentelemetry.gradle.tracing
+
+import org.gradle.testfixtures.ProjectBuilder
+import kotlin.test.Test
+import kotlin.test.assertNotNull
+
+/**
+ * A simple unit test for the 'io.opentelemetry.gradle.tracing.greeting' plugin.
+ */
+class OtelTracingPluginTest {
+    @Test fun `plugin registers task`() {
+        // Create a test project and apply the plugin
+        val project = ProjectBuilder.builder().build()
+        project.plugins.apply("io.opentelemetry.gradle.tracing.greeting")
+
+        // Verify the result
+        assertNotNull(project.tasks.findByName("greeting"))
+    }
+}
diff --git a/settings.gradle.kts b/settings.gradle.kts
new file mode 100644
index 0000000..4565f59
--- /dev/null
+++ b/settings.gradle.kts
@@ -0,0 +1,11 @@
+/*
+ * This file was generated by the Gradle 'init' task.
+ *
+ * The settings file is used to specify which projects to include in your build.
+ *
+ * Detailed information about configuring a multi-project build in Gradle can be found
+ * in the user manual at https://docs.gradle.org/7.1.1/userguide/multi_project_builds.html
+ */
+
+rootProject.name = "gradle-otel-tracing"
+include("plugin")