hackathon: add backend graphql query support

.config/Dockerfile

@@ -3,6 +3,14 @@ ARG grafana_image=grafana-enterprise
 
 FROM grafana/${grafana_image}:${grafana_version}
 
+ARG development=true
+ARG TARGETARCH
+
+ARG GO_VERSION=1.21.6
+ARG GO_ARCH=${TARGETARCH:-amd64}
+
+ENV DEV "${development}"
+
 # Make it as simple as possible to access the grafana instance for development purposes
 # Do NOT enable these settings in a public facing / production grafana instance
 ENV GF_AUTH_ANONYMOUS_ORG_ROLE "Admin"
@@ -11,6 +19,58 @@ ENV GF_AUTH_BASIC_ENABLED "false"
 # Set development mode so plugins can be loaded without the need to sign
 ENV GF_DEFAULT_APP_MODE "development"
 
-# Inject livereload script into grafana index.html
+
+LABEL maintainer="Grafana Labs <[email protected]>"
+
+ENV GF_PATHS_HOME="/usr/share/grafana"
+WORKDIR $GF_PATHS_HOME
+
 USER root
-RUN sed -i 's/<\/body><\/html>/<script src=\"http:\/\/localhost:35729\/livereload.js\"><\/script><\/body><\/html>/g' /usr/share/grafana/public/views/index.html
+
+# Installing supervisor and inotify-tools
+RUN if [ "${development}" = "true" ]; then \
+    if grep -i -q alpine /etc/issue; then \
+        apk add supervisor inotify-tools git; \
+    elif grep -i -q ubuntu /etc/issue; then \
+      DEBIAN_FRONTEND=noninteractive && \
+      apt-get update && \
+      apt-get install -y supervisor inotify-tools git && \
+      rm -rf /var/lib/apt/lists/*; \
+    else \
+      echo 'ERROR: Unsupported base image' && /bin/false; \
+    fi \
+    fi
+
+COPY supervisord/supervisord.conf /etc/supervisor.d/supervisord.ini
+COPY supervisord/supervisord.conf /etc/supervisor/conf.d/supervisord.conf
+
+
+# Installing Go
+RUN if [ "${development}" = "true" ]; then \
+    curl -O -L https://golang.org/dl/go${GO_VERSION}.linux-${GO_ARCH}.tar.gz && \
+    rm -rf /usr/local/go && \
+    tar -C /usr/local -xzf go${GO_VERSION}.linux-${GO_ARCH}.tar.gz && \
+    echo "export PATH=$PATH:/usr/local/go/bin:~/go/bin" >> ~/.bashrc && \
+    rm -f go${GO_VERSION}.linux-${GO_ARCH}.tar.gz; \
+    fi
+
+# Installing delve for debugging
+RUN if [ "${development}" = "true" ]; then \
+    /usr/local/go/bin/go install github.com/go-delve/delve/cmd/dlv@latest; \
+    fi
+
+# Installing mage for plugin (re)building
+RUN if [ "${development}" = "true" ]; then \
+    git clone https://github.com/magefile/mage; \
+    cd mage; \
+    export PATH=$PATH:/usr/local/go/bin; \
+    go run bootstrap.go; \
+    fi
+
+# Inject livereload script into grafana index.html
+RUN sed -i 's|</body>|<script src="http://localhost:35729/livereload.js"></script></body>|g' /usr/share/grafana/public/views/index.html
+
+
+COPY entrypoint.sh /entrypoint.sh
+RUN chmod +x /entrypoint.sh
+ENTRYPOINT ["/entrypoint.sh"]

.config/entrypoint.sh

@@ -0,0 +1,18 @@
+#!/bin/sh
+
+if [ "${DEV}" = "false" ]; then
+    echo "Starting test mode"
+    exec /run.sh
+fi
+
+echo "Starting development mode"
+
+if grep -i -q alpine /etc/issue; then
+    exec /usr/bin/supervisord -c /etc/supervisord.conf
+elif grep -i -q ubuntu /etc/issue; then
+    exec /usr/bin/supervisord -c /etc/supervisor/supervisord.conf
+else
+    echo 'ERROR: Unsupported base image'
+    exit 1
+fi
+

.config/supervisord/supervisord.conf

@@ -0,0 +1,47 @@
+[supervisord]
+nodaemon=true
+user=root
+
+[program:grafana]
+user=root
+directory=/var/lib/grafana
+command=bash -c 'while [ ! -f /root/cognitedata-datasource/dist/gpx_dm_grafana_datasource* ]; do sleep 1; done; /run.sh'
+stdout_logfile=/dev/fd/1
+stdout_logfile_maxbytes=0
+redirect_stderr=true
+killasgroup=true
+stopasgroup=true
+autostart=true
+
+[program:delve]
+user=root
+command=/bin/bash -c 'pid=""; while [ -z "$pid" ]; do pid=$(pgrep -f gpx_dm_grafana_datasource); done; /root/go/bin/dlv attach --api-version=2 --headless --continue --accept-multiclient --listen=:2345 $pid'
+stdout_logfile=/dev/fd/1
+stdout_logfile_maxbytes=0
+redirect_stderr=true
+killasgroup=false
+stopasgroup=false
+autostart=true
+autorestart=true
+
+[program:build-watcher]
+user=root
+command=/bin/bash -c 'while inotifywait -e modify,create,delete -r /var/lib/grafana/plugins/cognitedata-datasource; do echo "Change detected, restarting delve...";supervisorctl restart delve; done'
+stdout_logfile=/dev/fd/1
+stdout_logfile_maxbytes=0
+redirect_stderr=true
+killasgroup=true
+stopasgroup=true
+autostart=true
+
+[program:mage-watcher]
+user=root
+environment=PATH="/usr/local/go/bin:/root/go/bin:%(ENV_PATH)s"
+directory=/root/cognitedata-datasource
+command=/bin/bash -c 'git config --global --add safe.directory /root/cognitedata-datasource && mage -v watch'
+stdout_logfile=/dev/fd/1
+stdout_logfile_maxbytes=0
+redirect_stderr=true
+killasgroup=true
+stopasgroup=true
+autostart=true

DEVELOPMENT.md

@@ -20,7 +20,14 @@ cd /path/to/grafana/data/plugins
 ln -s /path/to/cognite-grafana-datasource cognitedata-datasource
 ```
 
-## Building
+
+## Building backend
+Build backend for Linux and run docker compose:
+```bash
+mage -v build:linuxARM64 && docker compose up
+```
+
+## Building frontend
 
 `yarn` followed by `yarn build` should work on systems with a shell.
 

Magefile.go

@@ -0,0 +1,12 @@
+//go:build mage
+// +build mage
+
+package main
+
+import (
+	// mage:import
+	build "github.com/grafana/grafana-plugin-sdk-go/build"
+)
+
+// Default configures the default target.
+var Default = build.BuildAll

docker-compose.yaml

@@ -1,14 +1,28 @@
-version: '3.0'
-
 services:
   grafana:
+    user: root
     container_name: 'cognitedata-datasource'
+
     build:
       context: ./.config
       args:
         grafana_version: ${GRAFANA_VERSION:-10.1.1}
+        development: ${DEVELOPMENT:-false}
     ports:
       - 2999:3000/tcp
+    security_opt:
+      - 'apparmor:unconfined'
+      - 'seccomp:unconfined'
+    cap_add:
+      - SYS_PTRACE
     volumes:
       - ./dist:/var/lib/grafana/plugins/cognitedata-datasource
       - ./provisioning:/etc/grafana/provisioning
+      - .:/root/cognitedata-datasource
+
+    environment:
+      NODE_ENV: development
+      GF_LOG_FILTERS: plugin.cognitedata-datasource:debug
+      GF_LOG_LEVEL: info
+      GF_DATAPROXY_LOGGING: 1
+      GF_PLUGINS_ALLOW_LOADING_UNSIGNED_PLUGINS: cognitedata-datasource

go.mod

@@ -0,0 +1,106 @@
+module github.com/cognitedata/cognite-grafana-datasource
+
+go 1.22.1
+
+toolchain go1.22.6
+
+require github.com/grafana/grafana-plugin-sdk-go v0.245.0
+
+require (
+	github.com/BurntSushi/toml v1.3.2 // indirect
+	github.com/apache/arrow/go/v15 v15.0.2 // indirect
+	github.com/beorn7/perks v1.0.1 // indirect
+	github.com/cenkalti/backoff/v4 v4.3.0 // indirect
+	github.com/cespare/xxhash/v2 v2.3.0 // indirect
+	github.com/cheekybits/genny v1.0.0 // indirect
+	github.com/chromedp/cdproto v0.0.0-20231114014204-3e458d5176f9 // indirect
+	github.com/cpuguy83/go-md2man/v2 v2.0.4 // indirect
+	github.com/elazarl/goproxy v0.0.0-20231117061959-7cc037d33fb5 // indirect
+	github.com/fatih/color v1.16.0 // indirect
+	github.com/getkin/kin-openapi v0.124.0 // indirect
+	github.com/go-logr/logr v1.4.2 // indirect
+	github.com/go-logr/stdr v1.2.2 // indirect
+	github.com/go-openapi/jsonpointer v0.20.2 // indirect
+	github.com/go-openapi/swag v0.22.8 // indirect
+	github.com/goccy/go-json v0.10.3 // indirect
+	github.com/gogo/protobuf v1.3.2 // indirect
+	github.com/golang/protobuf v1.5.4 // indirect
+	github.com/google/flatbuffers v24.3.25+incompatible // indirect
+	github.com/google/go-cmp v0.6.0 // indirect
+	github.com/google/uuid v1.6.0 // indirect
+	github.com/gorilla/mux v1.8.1 // indirect
+	github.com/grafana/infinity-libs/lib/go/gframer v1.0.0 // indirect
+	github.com/grafana/infinity-libs/lib/go/jsonframer v1.1.4 // indirect
+	github.com/grafana/infinity-libs/lib/go/utils v1.0.0 // indirect
+	github.com/grafana/otel-profiling-go v0.5.1 // indirect
+	github.com/grafana/pyroscope-go/godeltaprof v0.1.8 // indirect
+	github.com/grpc-ecosystem/go-grpc-middleware/providers/prometheus v1.0.1 // indirect
+	github.com/grpc-ecosystem/go-grpc-middleware/v2 v2.1.0 // indirect
+	github.com/grpc-ecosystem/grpc-gateway/v2 v2.20.0 // indirect
+	github.com/hashicorp/go-hclog v1.6.3 // indirect
+	github.com/hashicorp/go-plugin v1.6.1 // indirect
+	github.com/hashicorp/yamux v0.1.1 // indirect
+	github.com/invopop/yaml v0.2.0 // indirect
+	github.com/josharian/intern v1.0.0 // indirect
+	github.com/json-iterator/go v1.1.12 // indirect
+	github.com/klauspost/compress v1.17.9 // indirect
+	github.com/klauspost/cpuid/v2 v2.2.8 // indirect
+	github.com/magefile/mage v1.15.0 // indirect
+	github.com/mailru/easyjson v0.7.7 // indirect
+	github.com/mattetti/filebuffer v1.0.1 // indirect
+	github.com/mattn/go-colorable v0.1.13 // indirect
+	github.com/mattn/go-isatty v0.0.20 // indirect
+	github.com/mattn/go-runewidth v0.0.15 // indirect
+	github.com/mitchellh/go-testing-interface v1.14.1 // indirect
+	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
+	github.com/modern-go/reflect2 v1.0.2 // indirect
+	github.com/mohae/deepcopy v0.0.0-20170929034955-c48cc78d4826 // indirect
+	github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
+	github.com/ncruces/go-strftime v0.1.9 // indirect
+	github.com/oklog/run v1.1.0 // indirect
+	github.com/olekukonko/tablewriter v0.0.5 // indirect
+	github.com/perimeterx/marshmallow v1.1.5 // indirect
+	github.com/pierrec/lz4/v4 v4.1.21 // indirect
+	github.com/pkg/errors v0.9.1 // indirect
+	github.com/prometheus/client_golang v1.20.0 // indirect
+	github.com/prometheus/client_model v0.6.1 // indirect
+	github.com/prometheus/common v0.55.0 // indirect
+	github.com/prometheus/procfs v0.15.1 // indirect
+	github.com/rivo/uniseg v0.4.7 // indirect
+	github.com/russross/blackfriday/v2 v2.1.0 // indirect
+	github.com/shopspring/decimal v1.4.0 // indirect
+	github.com/tidwall/gjson v1.17.1 // indirect
+	github.com/tidwall/match v1.1.1 // indirect
+	github.com/tidwall/pretty v1.2.1 // indirect
+	github.com/unknwon/bra v0.0.0-20200517080246-1e3013ecaff8 // indirect
+	github.com/unknwon/com v1.0.1 // indirect
+	github.com/unknwon/log v0.0.0-20200308114134-929b1006e34a // indirect
+	github.com/urfave/cli v1.22.15 // indirect
+	github.com/xiatechs/jsonata-go v1.8.7 // indirect
+	github.com/zeebo/xxh3 v1.0.2 // indirect
+	go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.53.0 // indirect
+	go.opentelemetry.io/contrib/instrumentation/net/http/httptrace/otelhttptrace v0.53.0 // indirect
+	go.opentelemetry.io/contrib/propagators/jaeger v1.28.0 // indirect
+	go.opentelemetry.io/contrib/samplers/jaegerremote v0.22.0 // indirect
+	go.opentelemetry.io/otel v1.28.0 // indirect
+	go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.28.0 // indirect
+	go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.28.0 // indirect
+	go.opentelemetry.io/otel/metric v1.28.0 // indirect
+	go.opentelemetry.io/otel/sdk v1.28.0 // indirect
+	go.opentelemetry.io/otel/trace v1.28.0 // indirect
+	go.opentelemetry.io/proto/otlp v1.3.1 // indirect
+	golang.org/x/exp v0.0.0-20240613232115-7f521ea00fb8 // indirect
+	golang.org/x/mod v0.18.0 // indirect
+	golang.org/x/net v0.28.0 // indirect
+	golang.org/x/oauth2 v0.23.0 // indirect
+	golang.org/x/sync v0.8.0 // indirect
+	golang.org/x/sys v0.24.0 // indirect
+	golang.org/x/text v0.17.0 // indirect
+	golang.org/x/tools v0.22.0 // indirect
+	golang.org/x/xerrors v0.0.0-20231012003039-104605ab7028 // indirect
+	google.golang.org/genproto v0.0.0-20210630183607-d20f26d13c79 // indirect
+	google.golang.org/grpc v1.65.0 // indirect
+	google.golang.org/protobuf v1.34.2 // indirect
+	gopkg.in/fsnotify/fsnotify.v1 v1.4.7 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
+)