add udi-berresheim

.gitignore

@@ -1,6 +1,7 @@
-config-*.json
 src/udi/udi
 src/udi/migrate_schema
 tmp/
 ENVDB
 ENVDB.cluster
+deployment/secrets.txt
+deployment/secrets

.woodpecker.yml

@@ -2,8 +2,7 @@ steps:
   build:
     image: plugins/kaniko
     settings:
-      repo:
-        from_secret: image_name
+      repo: gitea.hottis.de/wn/udi
       registry: 
         from_secret: container_registry
       tags: latest,${CI_COMMIT_SHA},${CI_COMMIT_TAG}
@@ -20,11 +19,14 @@ steps:
     secrets:
       - source: kube_config
         target: KUBE_CONFIG_CONTENT
-      - source: image_name
-        target: IMAGE_NAME
+      - source: encryption_key
+        target: ENCRYPTION_KEY
+      - source: secrets_checksum
+        target: MD5_CHECKSUM
     commands:
+      - export IMAGE_TAG=$CI_COMMIT_TAG
       - printf "$KUBE_CONFIG_CONTENT" > /tmp/kubeconfig
       - export KUBECONFIG=/tmp/kubeconfig
-      - cat $CI_WORKSPACE/deployment/deploy-yml.tmpl | sed -e 's,%IMAGE%,'$IMAGE_NAME':'$CI_COMMIT_TAG',' | kubectl apply -f - 
+      - ./deployment/deploy.sh
     when:
       - event: tag

deployment/decrypt-secrets.sh

@@ -0,0 +1,43 @@
+#!/bin/bash
+
+if [ "$ENCRYPTION_KEY" = "" ]; then
+  echo "ENCRYPTION_KEY not set"
+  exit 1
+fi
+
+if [ "$MD5_CHECKSUM" = "" ]; then
+  echo "No checksum given"
+  exit 1
+fi
+
+SECRETS_CIPHERTEXT_FILE=secrets.enc
+SECRETS_PLAINTEXT_FILE=/tmp/secrets
+TMP_FILE=`mktemp`
+POD_NAME_SUFFIX=`date +%s`
+
+cat $SECRETS_CIPHERTEXT_FILE | \
+  kubectl run openssl-$POD_NAME_SUFFIX \
+    --rm \
+    --image bitnami/debian-base-buildpack:latest \
+    --env KEY=$ENCRYPTION_KEY \
+    -i \
+    -q \
+    -- \
+    /bin/sh -c "openssl enc -aes-256-cbc -salt -pass env:KEY -a -d" > \
+    $TMP_FILE
+
+if [ `uname` = "Darwin" ]; then
+  CALCULATED_CHECKSUM=`cat $TMP_FILE | md5`
+elif [ `uname` = "Linux" ]; then
+  CALCULATED_CHECKSUM=`cat $TMP_FILE | md5sum - | awk '{print $1}'`
+fi
+
+if [ "$MD5_CHECKSUM" != "$CALCULATED_CHECKSUM" ]; then
+  echo "Invalid checksum"
+  exit 1
+fi
+
+# cat $TMP_FILE
+mv $TMP_FILE $SECRETS_PLAINTEXT_FILE
+
+

deployment/deploy-yml.tmpl

@@ -1,8 +1,7 @@
 apiVersion: v1
 kind: PersistentVolumeClaim
 metadata:
-  name: udi-archive
-  namespace: udi
+  name: %PRE%-udi-archive
 spec:
   accessModes:
     - ReadWriteOnce
@@ -14,12 +13,11 @@ spec:
 apiVersion: apps/v1
 kind: Deployment
 metadata:
-  name: udi
-  namespace: udi
+  name: %PRE%-udi
   labels:
     app: udi
   annotations:
-    secret.reloader.stakater.com/reload: "udi-conf,udi-db-cred"
+    secret.reloader.stakater.com/reload: "%PRE%-udi-conf,%PRE%-udi-db-cred,%PRE%-mqtt-password"
 spec:
   replicas: 1
   selector:
@@ -33,20 +31,18 @@ spec:
       containers:
         - name: udi
           image: %IMAGE%
-          env:
-            - name: UDI_CONF
-              valueFrom:
-                secretKeyRef:
-                  name: udi-conf
-                  key: UDI_CONF
           envFrom:
             - secretRef: 
-                name: udi-db-cred
+                name: %PRE%-udi-db-cred
+            - secretRef:
+                name: %PRE%-mqtt-password
+            - configMapRef:
+                name: %PRE%-udi-conf
           volumeMounts:
             - mountPath: /archive
               name: udi-archive
       volumes:
         - name: udi-archive
           persistentVolumeClaim:
-            claimName: udi-archive
+            claimName: %PRE%-udi-archive
 

deployment/deploy.sh

@@ -0,0 +1,99 @@
+#!/bin/bash
+
+if [ "$IMAGE_TAG" == "" ]; then
+  echo "Make sure IMAGE_TAG is set"
+  exit 1
+fi
+
+
+IMAGE_NAME=gitea.hottis.de/wn/udi
+
+CONFIG_FILE=config.json
+
+
+DEPLOYMENT_DIR=$PWD/deployment
+INSTANCES_DIR=$DEPLOYMENT_DIR/instances
+
+pushd $DEPLOYMENT_DIR > /dev/null
+./decrypt-secrets.sh || exit 1 
+. /tmp/secrets
+rm /tmp/secrets
+popd > /dev/null
+
+for NAMESPACE_DIR in `find $INSTANCES_DIR -type d -mindepth 1 -maxdepth 1`; do
+  NAMESPACE=`basename $NAMESPACE_DIR`
+  echo "Namespace: $NAMESPACE"
+
+  kubectl create namespace $NAMESPACE \
+    --dry-run=client \
+    -o yaml | \
+    kubectl -f - apply
+
+  pushd $NAMESPACE_DIR > /dev/null
+  for INSTANCE_DIR in `find . -type d -mindepth 1 -maxdepth 1`; do
+    pushd $INSTANCE_DIR > /dev/null
+    INSTANCE=`basename $INSTANCE_DIR`
+    echo "Instance: $INSTANCE"
+
+    # set MQTT_PASSWORD as secret
+    MQTT_PASSWORD_VARIABLE="$NAMESPACE""_""$INSTANCE""_MQTT_PASSWORD"
+    MQTT_PASSWORD_VARIABLE=`echo $MQTT_PASSWORD_VARIABLE | tr - _`
+    MQTT_PASSWORD="${!MQTT_PASSWORD_VARIABLE}"
+    # echo "MQTT_PASSWORD_VARIABLE: $MQTT_PASSWORD_VARIABLE"
+    # echo "MQTT_PASSWORD: $MQTT_PASSWORD"
+    kubectl create secret generic $INSTANCE-mqtt-password \
+      --from-literal=MQTT_PASSWORD="$MQTT_PASSWORD" \
+      --dry-run=client \
+      -o yaml \
+      --save-config | \
+    kubectl apply -f - -n $NAMESPACE
+
+    # set database configuration as secret
+    ## prepare configuration to access database to set udi database password
+    PGUSER=`kubectl get secret -n database timescaledb -o jsonpath="{.data.superuser-username}" | base64 -d`
+    PGHOST=`kubectl get services traefik -n system -o jsonpath="{.status.loadBalancer.ingress[0].ip}"`
+    PGPASSWORD=`kubectl get secret -n database timescaledb -o jsonpath="{.data.superuser-password}" | base64 -d`
+    PGSSLMODE=require
+
+    NEW_UDI_DB_LOGIN="udi""-""$NAMESPACE""-""$INSTANCE"
+    NEW_UDI_DB_PASSWORD=`tr -dc 'a-zA-Z0-9' < /dev/urandom | head -c 32`
+    NEW_UDI_DB_DATABASE="udi""-""$NAMESPACE""-""$INSTANCE"
+    NEW_UDI_DB_HOST=timescaledb.database.svc.cluster.local
+
+    DATABASE_MASTER_POD=`kubectl get pods -n database -l app=StackGresCluster -l role=master -o jsonpath='{.items[0].metadata.name}'`
+    kubectl exec -i $DATABASE_MASTER_POD -c postgres-util -n database -- psql <<EOF
+    BEGIN;
+    ALTER USER "$NEW_UDI_DB_LOGIN" WITH PASSWORD '$NEW_UDI_DB_PASSWORD';
+    COMMIT;
+EOF
+
+    kubectl create secret generic $INSTANCE-udi-db-cred \
+      --dry-run=client \
+      -o yaml \
+      --save-config \
+      --from-literal=PGUSER="$NEW_UDI_DB_LOGIN" \
+      --from-literal=PGPASSWORD="$NEW_UDI_DB_PASSWORD" \
+      --from-literal=PGDATABASE="$NEW_UDI_DB_DATABASE" \
+      --from-literal=PGHOST="$NEW_UDI_DB_HOST" \
+      --from-literal=PGSSLMODE="require" | \
+      kubectl apply -f - -n $NAMESPACE
+
+    # set configuration as configMap
+    kubectl create configmap $INSTANCE-udi-conf \
+      --from-literal=UDI_CONF="`cat $CONFIG_FILE`" \
+      --dry-run=client \
+      -o yaml \
+      --save-config | \
+      kubectl apply -f - -n $NAMESPACE
+
+    # prepare k8s deployment statement
+    cat $DEPLOYMENT_DIR/deploy-yml.tmpl | \
+      sed -e 's,%IMAGE%,'$IMAGE_NAME':'$IMAGE_TAG','g | \
+      sed -e 's,%PRE%,'$INSTANCE','g | \
+      kubectl apply -f - -n $NAMESPACE
+
+    popd > /dev/null
+  done
+  popd > /dev/null
+done
+

deployment/encrypt-secrets.sh

@@ -0,0 +1,29 @@
+#!/bin/bash
+
+if [ "$ENCRYPTION_KEY" = "" ]; then
+  echo "ENCRYPTION_KEY not set"
+  exit 1
+fi
+
+SECRETS_PLAINTEXT_FILE=secrets.txt
+SECRETS_CIPHERTEXT_FILE=secrets.enc
+
+if [ `uname` = "Darwin" ]; then
+  cat $SECRETS_PLAINTEXT_FILE | md5
+elif [ `uname` = "Linux" ]; then
+  cat $SECRETS_PLAINTEXT_FILE | md5sum - | awk '{print $1}'
+fi
+
+POD_NAME_SUFFIX=`date +%s`
+
+cat $SECRETS_PLAINTEXT_FILE | \
+  kubectl run openssl-$POD_NAME_SUFFIX \
+    --rm \
+    --image bitnami/debian-base-buildpack:latest \
+    --env KEY=$ENCRYPTION_KEY \
+    -i \
+    -q \
+    -- \
+    /bin/sh -c "openssl enc -aes-256-cbc -salt -pass env:KEY -a" > \
+    $SECRETS_CIPHERTEXT_FILE
+

deployment/instances/udi-berresheim/default/config.json

@@ -0,0 +1,23 @@
+{
+  "mqtt": {
+    "broker": "ssl://eu1.cloud.thethings.network:8883",
+    "username": "de-hottis-level-monitoring@ttn",
+    "password": "ENV",
+    "tlsEnable": "true"
+  },
+  "topicMappings": [
+    {
+      "topics": [ "v3/#" ],
+      "handler": "TTN",
+      "id": "TTN0",
+      "config": {
+        "databaseConnStr": "",
+        "attributes": {
+        }
+      }
+    }
+  ],
+  "archiver": {
+    "dir": "/archive"
+  }
+}

deployment/instances/udi-pg/default/config.json

@@ -0,0 +1,21 @@
+{
+  "mqtt": {
+    "broker": "ssl://eu1.cloud.thethings.network:8883",
+    "username": "com-passavant-geiger-poc@ttn",
+    "tlsEnable": "true"
+  },
+  "topicMappings": [
+    {
+      "topics": [ "v3/com-passavant-geiger-poc@ttn/devices/#" ],
+      "handler": "TTN",
+      "id": "TTN0",
+      "config": {
+        "attributes": {
+        }
+      }
+    }
+  ],
+  "archiver": {
+    "dir": "/archive"
+  }
+}

deployment/instances/udi/default/config.json

@@ -0,0 +1,105 @@
+{
+  "mqtt": {
+    "broker": "mqtt://emqx01-anonymous-cluster-internal.broker.svc.cluster.local:1883",
+    "tlsEnable": "false"
+  },
+  "topicMappings": [
+    {
+      "topics": [ "IoT/PV/Values" ],
+      "handler": "PV",
+      "id": "PV",
+      "config": {
+        "databaseConnStr": "",
+        "attributes": {
+        }
+      }
+    },
+    {
+      "topics": [ "IoT/MBGW3/Measurement" ],
+      "handler": "MBGW3",
+      "id": "MBGW3",
+      "config": {
+        "databaseConnStr": "",
+        "attributes": {
+        }
+      }
+    },
+    {
+      "topics": [ "IoT/OneWireGW/Bus 1/#" ],
+      "handler": "SVER",
+      "id": "SVER0",
+      "config": {
+        "databaseConnStr": "",
+        "attributes": {
+          "application": "Temperature Heating",
+          "payloadRegex": "(\\d+(\\.\\d+)?)\\s*([^0-9\\s]\\S*)",
+          "deviceFrom": "topic", 
+          "devicePart": "3",
+          "valueFrom": "payload",
+          "valuePart": "1",
+          "unitFrom": "payload",
+          "unitPart": "3"
+        }
+      }
+    },
+    {
+      "topics": [ "NR/Multisensor/+/Temperatur" ],
+      "handler": "SVEJ",
+      "id": "SVEJ0",
+      "config": {
+        "databaseConnStr": "",
+        "attributes": {
+          "application": "Temperature Multisensor",
+          "deviceSelector": "T:2",
+          "valueSelector": "J:$.CurrentTemperature",
+          "unitSelector": "C:°C"
+        }
+      }
+    },
+    {
+      "topics": [ "NR/Multisensor/+/Feuchte" ],
+      "handler": "SVEJ",
+      "id": "SVEJ1",
+      "config": {
+        "databaseConnStr": "",
+        "attributes": {
+          "application": "Humidity Multisensor",
+          "deviceSelector": "T:2",
+          "valueSelector": "J:$.CurrentRelativeHumidity",
+          "unitSelector": "C:%"
+        }
+      }
+    },
+    {
+      "topics": [ "shellyplusht/+/status/temperature:0" ],
+      "handler": "SVEJ",
+      "id": "SVEJ2",
+      "config": {
+        "databaseConnStr": "",
+        "attributes": {
+          "application": "Temperature Shelly Plus HT",
+          "deviceSelector": "T:1",
+          "valueSelector": "J:$.tC",
+          "unitSelector": "C:°C"
+        }
+      }
+    },
+    {
+      "topics": [ "shellyplusht/+/status/humidity:0" ],
+      "handler": "SVEJ",
+      "id": "SVE4",
+      "config": {
+        "databaseConnStr": "",
+        "attributes": {
+          "application": "Humidity Shelly Plus HT",
+          "deviceSelector": "T:1",
+          "valueSelector": "J:$.rh",
+          "unitSelector": "C:%"
+        }
+      }
+    }
+  ],
+  "archiver": {
+    "dir": "/archive"
+  }
+}

deployment/load-config.sh

@@ -1,47 +0,0 @@
-#!/bin/bash
-
-FILE=$1
-if [ "$FILE" = "" ]; then
-  echo "give config file to load as first argument"
-  exit 1
-fi
-SECRET_NAME=$2
-if [ "$SECRET_NAME" = "" ]; then
-  echo "give secret name to create/modify as second argument"
-  exit 1
-fi
-NAMESPACE=$3
-if [ "$NAMESPACE" = "" ]; then
-  echo "give namespace as third argument"
-  exit 1
-fi
-
-kubectl create secret generic $SECRET_NAME \
-  --from-literal=UDI_CONF="`cat $FILE`" \
-  -n $NAMESPACE \
-  --dry-run=client \
-  -o yaml \
-  --save-config | \
-kubectl apply -f -
-
-. ~/Workspace/MyKubernetesEnv/ENVDB
-DATABASE=udi
-LOGIN=udi
-PASSWORD=`openssl rand -base64 24` 
-psql <<EOF
-ALTER USER $LOGIN WITH PASSWORD '$PASSWORD';
-GRANT ALL PRIVILEGES ON DATABASE $DATABASE TO $LOGIN;
-COMMIT;
-EOF
-
-kubectl create secret generic udi-db-cred \
-  --dry-run=client \
-  -o yaml \
-  --save-config \
-  --from-literal=PGUSER="$LOGIN" \
-  --from-literal=PGHOST="timescaledb.database.svc.cluster.local" \
-  --from-literal=PGPASSWORD="$PASSWORD" \
-  --from-literal=PGSSLMODE="require" \
-  --from-literal=PGDATABASE="$DATABASE" | \
-kubectl apply -f - -n $NAMESPACE
-

deployment/secrets.enc

@@ -0,0 +1,7 @@
+U2FsdGVkX18MnwKVJuGzBEYaQZ74xtcnsCE5MkWYg91pKG16suIW8scUjW14Bdxt
+Q4UfE5cMeGMOYP2Yj/HY7gXZeDMJlAh/2d09DhL17h44Gdi8q3TMLJTSEGxx83cT
+RyrbLIRwne8QDQipxzNRp2PdDrOwflxOCB1cdrhBg63OM7o37NIdYUIPtbsSl0td
+rdcDsPC6c214JKKl3FvZGKVgVWo3EUBj9QUwK0IqucI6UHy3D2PaJ8/H++M6gA3U
+u3qbPMCjqvjBFRnMxKrMVhfkHPxM3tLyF9+932Gj6DFlJZbZInDNAEf9mty7z5Zm
+u4WbzejtKqnnZznwAesrlV9DndEkr1QGJkXBmkfZ5gMrfZSaLlXadUklGoOjDZ+K
+Z2Z9wAgA8UjyMEYFO5ZrJ8t7FG6uMlZpILv8HshrGUY=

queries/hottis.sql

@@ -37,3 +37,11 @@ create or replace view gas_v as
     from measurements
     where application = 'Gas' and
           attributes->>'Status' = 'Ok';
+
+create or replace view temperature_v as
+  select time,
+         cast(values->'Value'->>'value' as float) as temperature,
+         device
+    from measurements
+    where application in ('Temperature Multisensor', 'Temperature Shelly Plus HT');
+

queries/pg.sql

@@ -0,0 +1,20 @@
+create or replace view power_v as
+  select time,
+         cast(values->'ActivePowerL1'->>'value' as float) as power_l1,
+         cast(values->'ActivePowerL2'->>'value' as float) as power_l2,
+         cast(values->'ActivePowerL3'->>'value' as float) as power_l3,
+         device
+    from measurements
+    where application = 'com-passavant-geiger-poc' and
+          attributes->>'FPort' = '1';
+
+create or replace view power_factor_v as
+  select time,
+         cast(values->'PowerfactorL1'->>'value' as float) as factor_l1,
+         cast(values->'PowerfactorL2'->>'value' as float) as factor_l2,
+         cast(values->'PowerfactorL3'->>'value' as float) as factor_l3,
+         device
+    from measurements
+    where application = 'com-passavant-geiger-poc' and
+          attributes->>'FPort' = '1';
+

src/udi/ENVDB.udiload

@@ -0,0 +1,10 @@
+if [ "$1" = "" ]; then
+  echo "set namespace as argument"
+fi
+N=$1
+PGHOST=`kubectl get services traefik -n system -o jsonpath="{.status.loadBalancer.ingress[0].ip}"`
+PGPASSWORD=`kubectl get secrets udi-db-cred -n $N -o jsonpath="{.data.PGPASSWORD}" | base64 --decode`
+PGUSER=`kubectl get secrets udi-db-cred -n $N -o jsonpath="{.data.PGUSER}" | base64 --decode`
+PGSSLMODE=`kubectl get secrets udi-db-cred -n $N -o jsonpath="{.data.PGSSLMODE}" | base64 --decode`
+PGDATABASE=`kubectl get secrets udi-db-cred -n $N -o jsonpath="{.data.PGDATABASE}" | base64 --decode`
+export PGUSER PGHOST PGPASSWORD PGSSLMODE PGDATABASE

src/udi/ENVDB.uditest

@@ -0,0 +1,6 @@
+PGUSER="udi"
+PGHOST=`kubectl get services traefik -n system -o jsonpath="{.status.loadBalancer.ingress[0].ip}"`
+PGPASSWORD=`kubectl get secrets udi-db-cred -n udi -o jsonpath="{.data.PGPASSWORD}" | base64 --decode`
+PGSSLMODE=require
+PGDATABASE="uditest"
+export PGUSER PGHOST PGPASSWORD PGSSLMODE PGDATABASE

src/udi/config-iot.json

@@ -0,0 +1,105 @@
+{
+  "mqtt": {
+    "broker": "mqtt://172.23.1.102:1883",
+    "tlsEnable": "false"
+  },
+  "topicMappings": [
+    {
+      "topics": [ "IoT/PV/Values" ],
+      "handler": "PV",
+      "id": "PV",
+      "config": {
+        "databaseConnStr": "",
+        "attributes": {
+        }
+      }
+    },
+    {
+      "topics": [ "IoT/MBGW3/Measurement" ],
+      "handler": "MBGW3",
+      "id": "MBGW3",
+      "config": {
+        "databaseConnStr": "",
+        "attributes": {
+        }
+      }
+    },
+    {
+      "topics": [ "IoT/OneWireGW/Bus 1/#" ],
+      "handler": "SVER",
+      "id": "SVER0",
+      "config": {
+        "databaseConnStr": "",
+        "attributes": {
+          "application": "Temperature Heating",
+          "payloadRegex": "(\\d+(\\.\\d+)?)\\s*([^0-9\\s]\\S*)",
+          "deviceFrom": "topic", 
+          "devicePart": "3",
+          "valueFrom": "payload",
+          "valuePart": "1",
+          "unitFrom": "payload",
+          "unitPart": "3"
+        }
+      }
+    },
+    {
+      "topics": [ "NR/Multisensor/+/Temperatur" ],
+      "handler": "SVEJ",
+      "id": "SVEJ0",
+      "config": {
+        "databaseConnStr": "",
+        "attributes": {
+          "application": "Temperature Multisensor",
+          "deviceSelector": "T:2",
+          "valueSelector": "J:$.CurrentTemperature",
+          "unitSelector": "C:°C"
+        }
+      }
+    },
+    {
+      "topics": [ "NR/Multisensor/+/Feuchte" ],
+      "handler": "SVEJ",
+      "id": "SVEJ1",
+      "config": {
+        "databaseConnStr": "",
+        "attributes": {
+          "application": "Humidity Multisensor",
+          "deviceSelector": "T:2",
+          "valueSelector": "J:$.CurrentRelativeHumidity",
+          "unitSelector": "C:%"
+        }
+      }
+    },
+    {
+      "topics": [ "shellyplusht/+/status/temperature:0" ],
+      "handler": "SVEJ",
+      "id": "SVEJ2",
+      "config": {
+        "databaseConnStr": "",
+        "attributes": {
+          "application": "Temperature Shelly Plus HT",
+          "deviceSelector": "T:1",
+          "valueSelector": "J:$.tC",
+          "unitSelector": "C:°C"
+        }
+      }
+    },
+    {
+      "topics": [ "shellyplusht/+/status/humidity:0" ],
+      "handler": "SVEJ",
+      "id": "SVE4",
+      "config": {
+        "databaseConnStr": "",
+        "attributes": {
+          "application": "Humidity Shelly Plus HT",
+          "deviceSelector": "T:1",
+          "valueSelector": "J:$.rh",
+          "unitSelector": "C:%"
+        }
+      }
+    }
+  ],
+  "archiver": {
+    "dir": "./tmp/udi"
+  }
+}

src/udi/config-iot2.json

@@ -0,0 +1,21 @@
+{
+  "mqtt": {
+    "broker": "mqtt://172.23.1.102:1883",
+    "tlsEnable": "false"
+  },
+  "topicMappings": [
+    {
+      "topics": [ "ttn/#" ],
+      "handler": "TTN",
+      "id": "TTN0",
+      "config": {
+        "databaseConnStr": "",
+        "attributes": {
+        }
+      }
+    }
+  ],
+  "archiver": {
+    "dir": "./tmp/udi"
+  }
+}

src/udi/config-level-berresheim.json

@@ -0,0 +1,23 @@
+{
+  "mqtt": {
+    "broker": "ssl://eu1.cloud.thethings.network:8883",
+    "username": "de-hottis-level-monitoring@ttn",
+    "password": "ENV",
+    "tlsEnable": "true"
+  },
+  "topicMappings": [
+    {
+      "topics": [ "v3/#" ],
+      "handler": "TTN",
+      "id": "TTN0",
+      "config": {
+        "databaseConnStr": "",
+        "attributes": {
+        }
+      }
+    }
+  ],
+  "archiver": {
+    "dir": "./tmp/udi"
+  }
+}

src/udi/config-level.json

@@ -0,0 +1,23 @@
+{
+  "mqtt": {
+    "broker": "ssl://eu1.cloud.thethings.network:8883",
+    "username": "de-hottis-level-monitoring@ttn",
+    "passwordEnvVar": "MQTT_PASSWORD",
+    "tlsEnable": "true"
+  },
+  "topicMappings": [
+    {
+      "topics": [ "v3/#" ],
+      "handler": "TTN",
+      "id": "TTN0",
+      "config": {
+        "databaseConnStr": "",
+        "attributes": {
+        }
+      }
+    }
+  ],
+  "archiver": {
+    "dir": "./tmp/udi"
+  }
+}

src/udi/config-pg-cluster.json

@@ -0,0 +1,23 @@
+{
+  "mqtt": {
+    "broker": "ssl://eu1.cloud.thethings.network:8883",
+    "username": "com-passavant-geiger-poc@ttn",
+    "password": "ENV",
+    "tlsEnable": "true"
+  },
+  "topicMappings": [
+    {
+      "topics": [ "v3/com-passavant-geiger-poc@ttn/devices/#" ],
+      "handler": "TTN",
+      "id": "TTN0",
+      "config": {
+        "databaseConnStr": "",
+        "attributes": {
+        }
+      }
+    }
+  ],
+  "archiver": {
+    "dir": "/archive"
+  }
+}

src/udi/config-pg.json

@@ -0,0 +1,23 @@
+{
+  "mqtt": {
+    "broker": "ssl://eu1.cloud.thethings.network:8883",
+    "username": "com-passavant-geiger-poc@ttn",
+    "password": "ENV",
+    "tlsEnable": "true"
+  },
+  "topicMappings": [
+    {
+      "topics": [ "v3/com-passavant-geiger-poc@ttn/devices/#" ],
+      "handler": "TTN",
+      "id": "TTN0",
+      "config": {
+        "databaseConnStr": "",
+        "attributes": {
+        }
+      }
+    }
+  ],
+  "archiver": {
+    "dir": "./tmp/udi"
+  }
+}

src/udi/config-ttn.json

@@ -0,0 +1,29 @@
+{
+  "mqtt": {
+    "broker": "mqtt://172.23.1.102:1883",
+    "tlsEnable": "false"
+  },
+  "topicMappings": [
+    {
+      "topics": [ "v3/de-hottis-level-monitoring@ttn/devices/+/up" ],
+      "handler": "TTN"
+    }
+  ],
+  "handlers": [
+    {
+      "name": "TTN",
+      "databaseConnStr": "",
+      "attributes": {
+      }
+    },
+		{
+			"name": "IoT",
+			"databaseConnStr": "",
+			"attributes": {
+			}
+		}
+  ],
+  "archiver": {
+    "dir": "./tmp/udi"
+  }
+}

src/udi/config/config.go

@@ -5,7 +5,6 @@ import "log"
 import "os"
 
 type HandlerConfigT struct {
-  DatabaseConnStr string `json:"databaseConnStr"`
   Attributes map[string]string `json:"attributes"`
 }
 
@@ -13,7 +12,7 @@ type ConfigT struct {
   Mqtt struct {
     Broker string `json:"broker"`
     Username string `json:"username"`
-    Password string `json:"password"`
+    Password string
     TlsEnable string `json:"tlsEnable"`
   } `json:"mqtt"`
   TopicMappings []struct {
@@ -35,5 +34,7 @@ func LoadConfiguration() {
   if err != nil {
     log.Fatalf("Unable to parse configuration: %s", err)
   }
+
+  Config.Mqtt.Password = os.Getenv("MQTT_PASSWORD")
 }
 

src/udi/config/example.json

@@ -1,26 +0,0 @@
-{
-	"mqtt": {
-		"broker": "172.23.1.102:1883",
-		"username": "",
-		"password": "",
-		"tlsEnable": "false"
-	},
-	"topicMappings": [
-		{
-			"topics": ["IoT/MBGW3/Measurement"],
-			"handler": "IoT"
-		}
-	],
-	"handlers": [
-		{
-			"name": "IoT",
-			"databaseConnStr": "",
-			"attributes": {
-			}
-		}
-	],
-	"archiver": {
-		"dir": "/mnt/udi/archive"
-	}
-}
-

src/udi/database/abstract_database.go

@@ -35,8 +35,8 @@ type DeviceType struct {
 
 type Device struct {
   gorm.Model
-  Label string `gorm:"not null"`
-  ApplicationID int `gorm:"not null"`
+  Label string `gorm:"not null;uniqueIndex:idx_label_application_id"`
+  ApplicationID int `gorm:"not null;uniqueIndex:idx_label_application_id"`
   Application Application
   DeviceTypeID int `gorm:"not null"`
   DeviceType DeviceType

src/udi/database/database.go

@@ -4,6 +4,7 @@ package database
 import (
   "log"
   //"time"
+  "fmt"
   "gorm.io/driver/postgres"
   "gorm.io/gorm"
 )
@@ -13,9 +14,10 @@ type DatabaseHandle struct {
   dbh *gorm.DB 
 }
 
-func NewDatabaseHandle(dsn string) *DatabaseHandle {
+func NewDatabaseHandle() *DatabaseHandle {
   var db DatabaseHandle
-  conn, err := gorm.Open(postgres.Open(dsn))
+  // inject the whole database configuration via the well-known PG* env variables
+  conn, err := gorm.Open(postgres.Open(""))
   if err != nil {
     log.Printf("Unable to open database connection: %s", err)
     db.initialized = false
@@ -27,13 +29,13 @@ func NewDatabaseHandle(dsn string) *DatabaseHandle {
   return &db
 }
 
-func (dbh *DatabaseHandle) StoreMeasurement(measurement *Measurement) {
-  if ! dbh.initialized {
+func (self *DatabaseHandle) StoreMeasurement(measurement *Measurement) {
+  if ! self.initialized {
     log.Printf("Database connection not initialized, can not store, measurement %s lost", measurement)
     return
   }
 
-  result := dbh.dbh.Create(measurement)
+  result := self.dbh.Create(measurement)
   if result.Error != nil {
     log.Printf("Unable to insert, measurement %s lost, error: %s", measurement, result.Error)
     return
@@ -42,4 +44,27 @@ func (dbh *DatabaseHandle) StoreMeasurement(measurement *Measurement) {
   log.Println("Successfully stored measurement")
 }
 
+func (self *DatabaseHandle) GetDeviceByLabelAndApplication(applicationLabel string, deviceLabel string) (*Device, error) {
+  if ! self.initialized {
+    err := fmt.Errorf("Database connection not initialized")
+    return nil, err
+  }
+
+  var device Device
+  result := self.dbh.
+    Preload("Application").
+    Preload("DeviceType").
+    Joins("JOIN applications ON devices.application_id = applications.id").
+    Where("devices.label = ? AND applications.label = ?", deviceLabel, applicationLabel).
+    First(&device)
+
+  if result.Error != nil {
+    err := fmt.Errorf("Query failed: %s", result.Error)
+    return nil, err
+  }
+
+  return &device, nil
+}
+
+
 

src/udi/handlers/mbgw3/mbgw3.go

@@ -36,7 +36,7 @@ func NewMbgw3Handler(config config.HandlerConfigT) handler.Handler {
     id: idSeq,
   }
   idSeq += 1
-  t.dbh = database.NewDatabaseHandle(config.DatabaseConnStr)
+  t.dbh = database.NewDatabaseHandle()
   return t
 }
 

src/udi/handlers/pv/pv.go

@@ -45,7 +45,7 @@ func NewPvHandler(config config.HandlerConfigT) handler.Handler {
     id: idSeq,
   }
   idSeq += 1
-  t.dbh = database.NewDatabaseHandle(config.DatabaseConnStr)
+  t.dbh = database.NewDatabaseHandle()
   return t
 }
 

src/udi/handlers/svej/svej.go

@@ -78,7 +78,7 @@ func NewSvejHandler(config config.HandlerConfigT) handler.Handler {
   }
 
   t.ready = true
-  t.dbh = database.NewDatabaseHandle(config.DatabaseConnStr)
+  t.dbh = database.NewDatabaseHandle()
   return t
 }
 

src/udi/handlers/sver/sver.go

@@ -7,6 +7,9 @@ import (
   "strings"
   "regexp"
   "fmt"
+  "reflect"
+  "encoding/json"
+  "github.com/oliveagle/jsonpath"
   "udi/config"
   "udi/handlers/handler"
   "udi/database"
@@ -19,6 +22,7 @@ type SingleValueExtractorRegexHandler struct {
   ready bool
   config localConfig
   payloadRegex *regexp.Regexp
+  payloadJsonpath *jsonpath.Compiled
   dbh *database.DatabaseHandle
 }
 
@@ -60,6 +64,18 @@ func NewSverHandler(config config.HandlerConfigT) handler.Handler {
   } else {
     t.payloadRegex = nil
   }
+  payloadJsonpath := config.Attributes["payloadJsonpath"]
+  if payloadJsonpath != "" {
+    j, err := jsonpath.Compile(payloadJsonpath)
+    if err != nil {
+      log.Printf("Unable to compile jsonpath %s", payloadJsonpath)
+      t.payloadJsonpath = nil
+    } else {
+      t.payloadJsonpath = j
+    }
+  } else {
+    t.payloadJsonpath = nil
+  }
 
   if config.Attributes["deviceFrom"] != TOPIC_SEL && config.Attributes["deviceFrom"] != PAYLOAD_SEL && config.Attributes["deviceFrom"] != CONSTANT_SEL {
     log.Printf("Error: invalid value %s for deviceFrom", config.Attributes["deviceFrom"])
@@ -77,13 +93,13 @@ func NewSverHandler(config config.HandlerConfigT) handler.Handler {
   // empty device is valid
   localConfig.device = config.Attributes["device"]
 
-  if config.Attributes["valueFrom"] != TOPIC_SEL && config.Attributes["valueFrom"] != PAYLOAD_SEL && config.Attributes["valueFrom"] != PAYLOAD_FULL_SEL {
+  if config.Attributes["valueFrom"] != PAYLOAD_SEL && config.Attributes["valueFrom"] != PAYLOAD_FULL_SEL {
     log.Printf("Error: invalid value %s for valueFrom", config.Attributes["valueFrom"])
     return t
   }
   localConfig.valueFrom = config.Attributes["valueFrom"]
 
-  if config.Attributes["valueFrom"] != PAYLOAD_FULL_SEL {
+  if config.Attributes["valueFrom"] == PAYLOAD_SEL {
     valuePart, err2 := strconv.Atoi(config.Attributes["valuePart"])
     if err2 != nil {
       log.Printf("Error: unable to convert valuePart to number: %s", err2)
@@ -92,13 +108,13 @@ func NewSverHandler(config config.HandlerConfigT) handler.Handler {
     localConfig.valuePart = valuePart
   }
 
-  if config.Attributes["unitFrom"] != TOPIC_SEL && config.Attributes["unitFrom"] != PAYLOAD_SEL && config.Attributes["unitFrom"] != CONSTANT_SEL {
+  if config.Attributes["unitFrom"] != PAYLOAD_SEL && config.Attributes["unitFrom"] != CONSTANT_SEL {
     log.Printf("Error: invalid value %s for unitFrom", config.Attributes["unitFrom"])
     return t
   }
   localConfig.unitFrom = config.Attributes["unitFrom"]
 
-  if config.Attributes["unitFrom"] != CONSTANT_SEL {
+  if config.Attributes["unitFrom"] == PAYLOAD_SEL {
     unitPart, err3 := strconv.Atoi(config.Attributes["unitPart"])
     if err3 != nil {
       log.Printf("Error: unable to convert unitPart to number: %s", err3)
@@ -113,7 +129,7 @@ func NewSverHandler(config config.HandlerConfigT) handler.Handler {
   t.config = localConfig
 
   t.ready = true
-  t.dbh = database.NewDatabaseHandle(config.DatabaseConnStr)
+  t.dbh = database.NewDatabaseHandle()
   return t
 }
 
@@ -144,6 +160,16 @@ func (self *SingleValueExtractorRegexHandler) Handle(message handler.MessageT) {
     payloadMatches = self.payloadRegex.FindStringSubmatch(message.Payload)
     //log.Printf("Matches: %s", strings.Join(payloadMatches, ", "))
   }
+  if self.payloadJsonpath != nil {
+    var jsonData interface{}
+    json.Unmarshal([]byte(message.Payload), &jsonData)
+    p, err := self.payloadJsonpath.Lookup(jsonData)
+    if err != nil {
+      lost(fmt.Sprintf("jsonpath error: %s", err), message)
+      return
+    }
+    log.Printf("XXXX: %s", reflect.TypeOf(p))
+  }
 
   switch self.config.deviceFrom {
   case TOPIC_SEL:
@@ -153,8 +179,8 @@ func (self *SingleValueExtractorRegexHandler) Handle(message handler.MessageT) {
     }
     measurement.Device = subTopics[self.config.devicePart]
   case PAYLOAD_SEL:
-    if self.payloadRegex == nil {
-      lost("no payloadRegex defined, devicePart can't be used", message)
+    if self.payloadRegex == nil && self.payloadJsonpath == nil {
+      lost("no payloadRegex or payloadJsonpath defined, devicePart can't be used", message)
       return
     }
     if self.config.devicePart >= len(payloadMatches) {
@@ -172,15 +198,9 @@ func (self *SingleValueExtractorRegexHandler) Handle(message handler.MessageT) {
   variable.Variable = ""
 
   switch self.config.valueFrom {
-  case TOPIC_SEL:
-    if self.config.valuePart >= len(subTopics) {
-      lost("valuePart out of range", message)
-      return
-    }
-    variable.Value = subTopics[self.config.valuePart]
   case PAYLOAD_SEL:
-    if self.payloadRegex == nil {
-      lost("no payloadRegex defined, valuePart can't be used", message)
+    if self.payloadRegex == nil && self.payloadJsonpath == nil {
+      lost("no payloadRegex or payloadJsonpath defined, valuePart can't be used", message)
       return
     }
     if self.config.valuePart >= len(payloadMatches) {
@@ -193,15 +213,9 @@ func (self *SingleValueExtractorRegexHandler) Handle(message handler.MessageT) {
   }
 
   switch self.config.unitFrom {
-  case TOPIC_SEL:
-    if self.config.unitPart >= len(subTopics) {
-      lost("unitPart out of range", message)
-      return
-    }
-    variable.Unit = subTopics[self.config.unitPart]
   case PAYLOAD_SEL:
-    if self.payloadRegex == nil {
-      lost("no payloadRegex defined, unitPart can't be used", message)
+    if self.payloadRegex == nil && self.payloadJsonpath == nil {
+      lost("no payloadRegex or payloadJsonpath defined, unitPart can't be used", message)
       return
     }
     if self.config.unitPart >= len(payloadMatches) {

src/udi/handlers/ttn/models/draginoLdds75/draginoLdds75.go

@@ -0,0 +1,80 @@
+package draginoLdds75
+
+import (
+  "fmt"
+  "log"
+  "strings"
+  "strconv"
+  "encoding/json"
+  "udi/database"
+)
+
+/*
+    "decoded_payload": {
+      "Bat": 3.299,
+      "Distance": "352 mm",
+      "Interrupt_flag": 0,
+      "Sensor_flag": 1,
+      "TempC_DS18B20": "0.00"
+    },
+*/
+type message struct {
+  Bat float32 `json:"Bat"`
+  Distance string `json:"Distance"`
+  Interrupt_flag int `json:"Interrupt_flag"`
+  Sensor_flag int `json:"Sensor_flag"`
+  TempC_DS18B20 string `json:"TempC_DS18B20"`
+}
+
+func Parse(fPort int, decodedPayload []byte, variables *map[string]database.VariableType, device *database.Device) error {
+  if fPort != 2 {
+    return fmt.Errorf("Unexpected fPort %d", fPort)
+  }
+  var message message
+  err := json.Unmarshal(decodedPayload, &message)
+  if err != nil {
+    return fmt.Errorf("Unable to parse payload, fPort %d, error %s", fPort, err)
+  }
+  distanceParts := strings.Split(message.Distance, " ")
+  if len(distanceParts) != 2 && distanceParts[1] != "mm" {
+    return fmt.Errorf("Invalid format for distance value: %s", message.Distance)
+  }
+  distance, err2 := strconv.Atoi(distanceParts[0])
+  if err2 != nil {
+    return fmt.Errorf("Distance value is no number: %s -> %s", message.Distance, err2)
+  }
+  (*variables)["Battery"] = database.VariableType {
+    Label: "Battery",
+    Variable: "Voltage",
+    Unit: "V",
+    Value: message.Bat,
+  }
+  (*variables)["Distance"] = database.VariableType {
+    Label: "Distance",
+    Variable: "Level",
+    Unit: "mm",
+    Value: distance,
+  }
+  groundLevelI, exists := device.Attributes["GroundLevel"]
+  groundLevelS, ok := groundLevelI.(string)
+  groundLevel, err3 := strconv.Atoi(groundLevelS)
+  if exists && err3 == nil && ok {
+    log.Println("add corrected distance")
+    correctedDistance := groundLevel - distance
+    (*variables)["CorrectedDistance"] = database.VariableType {
+      Label: "CorrectedDistance",
+      Variable: "Level",
+      Unit: "mm",
+      Value: correctedDistance,
+    }
+  } else {
+    log.Printf("no ground level: %s %s %s", exists, err3, ok)
+    log.Printf("Device: %s", device)
+    log.Printf("Attributes: %s", device.Attributes)
+  }
+
+  return nil
+}
+
+
+

src/udi/handlers/ttn/models/draginoLdds75/example-ldds75.json

@@ -0,0 +1,83 @@
+{
+  "end_device_ids": {
+    "device_id": "eui-a84041a14185f67f",
+    "application_ids": {
+      "application_id": "de-hottis-level-monitoring"
+    },
+    "dev_eui": "A84041A14185F67F",
+    "join_eui": "A840410000000101",
+    "dev_addr": "260B3987"
+  },
+  "correlation_ids": [
+    "gs:uplink:01HHP8EVC1N78FGTNBTNZYGCVY"
+  ],
+  "received_at": "2023-12-15T08:11:04.142793605Z",
+  "uplink_message": {
+    "session_key_id": "AYZ/cI2YeDLCZr4urRDzCw==",
+    "f_port": 2,
+    "f_cnt": 27758,
+    "frm_payload": "DOMBYAAAAAE=",
+    "decoded_payload": {
+      "Bat": 3.299,
+      "Distance": "352 mm",
+      "Interrupt_flag": 0,
+      "Sensor_flag": 1,
+      "TempC_DS18B20": "0.00"
+    },
+    "rx_metadata": [
+      {
+        "gateway_ids": {
+          "gateway_id": "eui-00005813d35e3021",
+          "eui": "00005813D35E3021"
+        },
+        "timestamp": 3654294763,
+        "rssi": -85,
+        "channel_rssi": -85,
+        "snr": 8.8,
+        "location": {
+          "latitude": 52.17065267448476,
+          "longitude": 7.629437184774199,
+          "source": "SOURCE_REGISTRY"
+        },
+        "uplink_token": "CiIKIAoUZXVpLTAwMDA1ODEzZDM1ZTMwMjESCAAAWBPTXjAhEOu5wM4NGgwIl5TwqwYQ5Z/7vgMg+OvDp63eBA==",
+        "channel_index": 2,
+        "received_at": "2023-12-15T08:11:03.937349093Z"
+      }
+    ],
+    "settings": {
+      "data_rate": {
+        "lora": {
+          "bandwidth": 125000,
+          "spreading_factor": 7,
+          "coding_rate": "4/5"
+        }
+      },
+      "frequency": "867500000",
+      "timestamp": 3654294763
+    },
+    "received_at": "2023-12-15T08:11:03.938112475Z",
+    "consumed_airtime": "0.056576s",
+    "locations": {
+      "user": {
+        "latitude": 52.1710648323742,
+        "longitude": 7.62751003482794,
+        "altitude": 37,
+        "source": "SOURCE_REGISTRY"
+      }
+    },
+    "version_ids": {
+      "brand_id": "dragino",
+      "model_id": "ldds75",
+      "hardware_version": "_unknown_hw_version_",
+      "firmware_version": "1.1.4",
+      "band_id": "EU_863_870"
+    },
+    "network_ids": {
+      "net_id": "000013",
+      "ns_id": "EC656E0000000181",
+      "tenant_id": "ttn",
+      "cluster_id": "eu1",
+      "cluster_address": "eu1.cloud.thethings.network"
+    }
+  }
+}

src/udi/handlers/ttn/models/draginoLmds200/draginoLmds200.go

@@ -0,0 +1,81 @@
+package draginoLmds200
+
+import (
+  "fmt"
+  "strconv"
+  "encoding/json"
+  "udi/database"
+)
+
+/*
+    "decoded_payload": {
+      "Bat": 3.082,
+      "DALARM_count": 0,
+      "Distance_alarm": 0,
+      "Interrupt_alarm": 0,
+      "dis1": 105,
+      "dis2": 201
+    },
+*/
+type message struct {
+  Bat float32 `json:"Bat"`
+  DALARM_count int `json:"DALARM_count"`
+  Distance_alarm int `json:"Distance_alarm"`
+  Interrupt_alarm int `json:"Interrupt_alarm"`
+  Dis1 int `json:"dis1"`
+  Dis2 int `json:"dis2"`
+}
+
+func Parse(fPort int, decodedPayload []byte, variables *map[string]database.VariableType, device *database.Device) error {
+  if fPort != 2 {
+    return fmt.Errorf("Unexpected fPort %d", fPort)
+  }
+  var message message
+  err := json.Unmarshal(decodedPayload, &message)
+  if err != nil {
+    return fmt.Errorf("Unable to parse payload, fPort %d, error %s", fPort, err)
+  }
+  (*variables)["Battery"] = database.VariableType {
+    Label: "Battery",
+    Variable: "Voltage",
+    Unit: "V",
+    Value: message.Bat,
+  }
+  distance1 := message.Dis1 * 10
+  (*variables)["Distance1"] = database.VariableType {
+    Label: "Distance1",
+    Variable: "Level",
+    Unit: "mm",
+    Value: distance1,
+  }
+  distance2 := message.Dis2 * 10
+  (*variables)["Distance2"] = database.VariableType {
+    Label: "Distance2",
+    Variable: "Level",
+    Unit: "mm",
+    Value: distance2,
+  }
+  groundLevelI, exists := device.Attributes["GroundLevel"]
+  groundLevelS, ok := groundLevelI.(string)
+  groundLevel, err3 := strconv.Atoi(groundLevelS)
+  if exists && err3 == nil && ok {
+    correctedDistance1 := groundLevel - distance1
+    (*variables)["CorrectedDistance1"] = database.VariableType {
+      Label: "CorrectedDistance1",
+      Variable: "Level",
+      Unit: "mm",
+      Value: correctedDistance1,
+    }
+    correctedDistance2 := groundLevel - distance2
+    (*variables)["CorrectedDistance2"] = database.VariableType {
+      Label: "CorrectedDistance2",
+      Variable: "Level",
+      Unit: "mm",
+      Value: correctedDistance2,
+    }
+  }
+  return nil
+}
+
+
+

src/udi/handlers/ttn/models/draginoLmds200/lmds200-example.json

@@ -0,0 +1,84 @@
+{
+  "end_device_ids": {
+    "device_id": "eui-a840419641867eb5",
+    "application_ids": {
+      "application_id": "de-hottis-level-monitoring"
+    },
+    "dev_eui": "A840419641867EB5",
+    "join_eui": "A840410000000101",
+    "dev_addr": "260B91F9"
+  },
+  "correlation_ids": [
+    "gs:uplink:01HH1R112BNDQQ52N9FVV0TKPW"
+  ],
+  "received_at": "2023-12-07T08:59:05.369293395Z",
+  "uplink_message": {
+    "session_key_id": "AYa9JUhNJp00t+hKqkQUog==",
+    "f_port": 2,
+    "f_cnt": 25665,
+    "frm_payload": "DAoAaQDJAA==",
+    "decoded_payload": {
+      "Bat": 3.082,
+      "DALARM_count": 0,
+      "Distance_alarm": 0,
+      "Interrupt_alarm": 0,
+      "dis1": 105,
+      "dis2": 201
+    },
+    "rx_metadata": [
+      {
+        "gateway_ids": {
+          "gateway_id": "eui-00005813d35e3021",
+          "eui": "00005813D35E3021"
+        },
+        "timestamp": 1141271036,
+        "rssi": -100,
+        "channel_rssi": -100,
+        "snr": 7.3,
+        "location": {
+          "latitude": 52.17065267448476,
+          "longitude": 7.629437184774199,
+          "source": "SOURCE_REGISTRY"
+        },
+        "uplink_token": "CiIKIAoUZXVpLTAwMDA1ODEzZDM1ZTMwMjESCAAAWBPTXjAhEPzTmaAEGgsI2ZLGqwYQnfLnTSDggLjIm5IF",
+        "channel_index": 6,
+        "received_at": "2023-12-07T08:59:05.163182877Z"
+      }
+    ],
+    "settings": {
+      "data_rate": {
+        "lora": {
+          "bandwidth": 125000,
+          "spreading_factor": 7,
+          "coding_rate": "4/5"
+        }
+      },
+      "frequency": "868300000",
+      "timestamp": 1141271036
+    },
+    "received_at": "2023-12-07T08:59:05.163964824Z",
+    "consumed_airtime": "0.056576s",
+    "locations": {
+      "user": {
+        "latitude": 52.1707216912195,
+        "longitude": 7.63066603211241,
+        "altitude": 39,
+        "source": "SOURCE_REGISTRY"
+      }
+    },
+    "version_ids": {
+      "brand_id": "dragino",
+      "model_id": "lmds200",
+      "hardware_version": "_unknown_hw_version_",
+      "firmware_version": "1.0",
+      "band_id": "EU_863_870"
+    },
+    "network_ids": {
+      "net_id": "000013",
+      "ns_id": "EC656E0000000181",
+      "tenant_id": "ttn",
+      "cluster_id": "eu1",
+      "cluster_address": "eu1.cloud.thethings.network"
+    }
+  }
+}

src/udi/handlers/ttn/models/emuProfIILoRaCfg1/emu-fprot1-example.json

@@ -0,0 +1,124 @@
+{
+  "end_device_ids": {
+    "device_id": "eui-102ceffffe01089c",
+    "application_ids": {
+      "application_id": "com-passavant-geiger-poc"
+    },
+    "dev_eui": "102CEFFFFE01089C",
+    "join_eui": "102CEF0000000000",
+    "dev_addr": "260B0E1A"
+  },
+  "correlation_ids": [
+    "gs:uplink:01HHF7YF14Y7HQBF9D8N8D20ZM"
+  ],
+  "received_at": "2023-12-12T14:47:26.197129491Z",
+  "uplink_message": {
+    "session_key_id": "AYxJcJyrJgr7XiIUdO3EBA==",
+    "f_port": 1,
+    "f_cnt": 11738,
+    "frm_payload": "7HF4ZQsAAAAADAAAAAANAAAAAA4AAAAAFwAYABkA8ADc",
+    "decoded_payload": {
+      "Active Power L1": {
+        "cfgphase": 1,
+        "unit": "W",
+        "value": 0
+      },
+      "Active Power L123": {
+        "unit": "W",
+        "value": 0
+      },
+      "Active Power L2": {
+        "cfgphase": 2,
+        "unit": "W",
+        "value": 0
+      },
+      "Active Power L3": {
+        "cfgphase": 3,
+        "unit": "W",
+        "value": 0
+      },
+      "Powerfactor L1": {
+        "cfgphase": 1,
+        "unit": "Cos",
+        "value": 0,
+        "value_raw": 0
+      },
+      "Powerfactor L2": {
+        "cfgphase": 2,
+        "unit": "Cos",
+        "value": 0,
+        "value_raw": 0
+      },
+      "Powerfactor L3": {
+        "cfgphase": 3,
+        "unit": "Cos",
+        "value": 0,
+        "value_raw": 0
+      },
+      "errorcode": {
+        "CTRatioChange": false,
+        "ImpulseRatioChange": false,
+        "ImpulseWidthChange": false,
+        "LogbookFull": false,
+        "PowerFail": false,
+        "TimeChanged": false,
+        "VTRatioChange": false,
+        "value": 0
+      },
+      "medium": {
+        "desc": "Electricity",
+        "type": 1
+      },
+      "timeStamp": 1702392300
+    },
+    "rx_metadata": [
+      {
+        "gateway_ids": {
+          "gateway_id": "eui-b827ebfffe8b01dd",
+          "eui": "B827EBFFFE8B01DD"
+        },
+        "time": "2023-12-12T14:47:25.951668977Z",
+        "timestamp": 3710351237,
+        "rssi": -89,
+        "channel_rssi": -89,
+        "snr": 14,
+        "location": {
+          "latitude": 51.404164272478724,
+          "longitude": 7.060088589208832,
+          "source": "SOURCE_REGISTRY"
+        },
+        "uplink_token": "CiIKIAoUZXVpLWI4MjdlYmZmZmU4YjAxZGQSCLgn6//+iwHdEIXvnekNGgwI/eThqwYQpoGI1wMgiL+rkf5r",
+        "received_at": "2023-12-12T14:47:25.969479115Z"
+      }
+    ],
+    "settings": {
+      "data_rate": {
+        "lora": {
+          "bandwidth": 125000,
+          "spreading_factor": 7,
+          "coding_rate": "4/5"
+        }
+      },
+      "frequency": "867100000",
+      "timestamp": 3710351237,
+      "time": "2023-12-12T14:47:25.951668977Z"
+    },
+    "received_at": "2023-12-12T14:47:25.988957776Z",
+    "confirmed": true,
+    "consumed_airtime": "0.092416s",
+    "version_ids": {
+      "brand_id": "emu",
+      "model_id": "emu-prof-ii",
+      "hardware_version": "1.0",
+      "firmware_version": "1.0",
+      "band_id": "EU_863_870"
+    },
+    "network_ids": {
+      "net_id": "000013",
+      "ns_id": "EC656E0000000181",
+      "tenant_id": "ttn",
+      "cluster_id": "eu1",
+      "cluster_address": "eu1.cloud.thethings.network"
+    }
+  }
+}

src/udi/handlers/ttn/models/emuProfIILoRaCfg1/emu-fprot2-example.json

@@ -0,0 +1,93 @@
+{
+  "end_device_ids": {
+    "device_id": "eui-102ceffffe01089c",
+    "application_ids": {
+      "application_id": "com-passavant-geiger-poc"
+    },
+    "dev_eui": "102CEFFFFE01089C",
+    "join_eui": "102CEF0000000000",
+    "dev_addr": "260B0E1A"
+  },
+  "correlation_ids": [
+    "gs:uplink:01HH53T0RPG7QFT6N267J3Q2PA"
+  ],
+  "received_at": "2023-12-08T16:22:41.900339885Z",
+  "uplink_message": {
+    "session_key_id": "AYxJcJyrJgr7XiIUdO3EBA==",
+    "f_port": 2,
+    "f_cnt": 374,
+    "frm_payload": "BEFzZSQAAAAAAAAAACYAAAAAAAAAACgAAAAAAAAAACoAAAAAAAAAAMk=",
+    "decoded_payload": {
+      "Active Energy Export T1 64bit": {
+        "unit": "Wh",
+        "value": 0
+      },
+      "Active Energy Import T1 64bit": {
+        "unit": "Wh",
+        "value": 0
+      },
+      "Reactive Energy Export T1 64bit": {
+        "unit": "varh",
+        "value": 0
+      },
+      "Reactive Energy Import T1 64bit": {
+        "unit": "varh",
+        "value": 0
+      },
+      "medium": {
+        "desc": "Electricity",
+        "type": 1
+      },
+      "timeStamp": 1702052100
+    },
+    "rx_metadata": [
+      {
+        "gateway_ids": {
+          "gateway_id": "eui-b827ebfffe8b01dd",
+          "eui": "B827EBFFFE8B01DD"
+        },
+        "time": "2023-12-08T16:22:40.969499111Z",
+        "timestamp": 383972090,
+        "rssi": -93,
+        "channel_rssi": -93,
+        "snr": 12.75,
+        "location": {
+          "latitude": 51.404164272478724,
+          "longitude": 7.060088589208832,
+          "source": "SOURCE_REGISTRY"
+        },
+        "uplink_token": "CiIKIAoUZXVpLWI4MjdlYmZmZmU4YjAxZGQSCLgn6//+iwHdEPrli7cBGgwI0YXNqwYQoteqxwIgkMGUtJb+pwI=",
+        "received_at": "2023-12-08T16:22:41.668146811Z"
+      }
+    ],
+    "settings": {
+      "data_rate": {
+        "lora": {
+          "bandwidth": 125000,
+          "spreading_factor": 7,
+          "coding_rate": "4/5"
+        }
+      },
+      "frequency": "867700000",
+      "timestamp": 383972090,
+      "time": "2023-12-08T16:22:40.969499111Z"
+    },
+    "received_at": "2023-12-08T16:22:41.687510109Z",
+    "confirmed": true,
+    "consumed_airtime": "0.102656s",
+    "version_ids": {
+      "brand_id": "emu",
+      "model_id": "emu-prof-ii",
+      "hardware_version": "1.0",
+      "firmware_version": "1.0",
+      "band_id": "EU_863_870"
+    },
+    "network_ids": {
+      "net_id": "000013",
+      "ns_id": "EC656E0000000181",
+      "tenant_id": "ttn",
+      "cluster_id": "eu1",
+      "cluster_address": "eu1.cloud.thethings.network"
+    }
+  }
+}

src/udi/handlers/ttn/models/emuProfIILoRaCfg1/emuProfIILoRaCfg1.go

@@ -0,0 +1,257 @@
+package emuProfIILoRaCfg1
+
+// provisioning device with
+// f_port=1: 01 00 0A 0B 0C 0D 0E 17 18 19 F0 4C
+//           01 00 08 0B 0C 0D 0E 17 18 19 F0 BE
+// f_port=2: 01 00 0A 24 26 28 2A 7A
+//           01 00 08 24 26 28 2A BE
+
+
+import (
+  "fmt"
+  //"log"
+  "encoding/json"
+  "udi/database"
+)
+
+
+/*
+    {
+      "Active Energy Export T1 64bit": {
+        "unit": "Wh",
+        "value": 0
+      },
+      "Active Energy Import T1 64bit": {
+        "unit": "Wh",
+        "value": 0
+      },
+      "Reactive Energy Export T1 64bit": {
+        "unit": "varh",
+        "value": 0
+      },
+      "Reactive Energy Import T1 64bit": {
+        "unit": "varh",
+        "value": 0
+      },
+      "medium": {
+        "desc": "Electricity",
+        "type": 1
+      },
+      "timeStamp": 1702052100
+    }
+*/
+type emuMessage2 struct {
+  ActiveEnergyExport struct {
+    Value int `json:"value"`
+    Unit string `json:"unit"`
+  } `json:"Active Energy Export T1 64bit"`
+  ReactiveEnergyExport struct {
+    Value int `json:"value"`
+    Unit string `json:"unit"`
+  } `json:"Reactive Energy Export T1 64bit"`
+  ActiveEnergyImport struct {
+    Value int `json:"value"`
+    Unit string `json:"unit"`
+  } `json:"Active Energy Import T1 64bit"`
+  ReactiveEnergyImport struct {
+    Value int `json:"value"`
+    Unit string `json:"unit"`
+  } `json:"Reactive Energy Import T1 64bit"`
+  Medium struct {
+    Desc string `json:"desc"`
+    Type int `json:"type"`
+  } `json:"medium"`
+  Timestamp int `json:"timestamp"`
+}
+
+/*
+    {
+      "Active Power L1": {
+        "cfgphase": 1,
+        "unit": "W",
+        "value": 0
+      },
+      "Active Power L123": {
+        "unit": "W",
+        "value": 0
+      },
+      "Active Power L2": {
+        "cfgphase": 2,
+        "unit": "W",
+        "value": 0
+      },
+      "Active Power L3": {
+        "cfgphase": 3,
+        "unit": "W",
+        "value": 0
+      },
+      "Powerfactor L1": {
+        "cfgphase": 1,
+        "unit": "Cos",
+        "value": 0,
+        "value_raw": 0
+      },
+      "Powerfactor L2": {
+        "cfgphase": 2,
+        "unit": "Cos",
+        "value": 0,
+        "value_raw": 0
+      },
+      "Powerfactor L3": {
+        "cfgphase": 3,
+        "unit": "Cos",
+        "value": 0,
+        "value_raw": 0
+      },
+      "errorcode": {
+        "CTRatioChange": false,
+        "ImpulseRatioChange": false,
+        "ImpulseWidthChange": false,
+        "LogbookFull": false,
+        "PowerFail": false,
+        "TimeChanged": false,
+        "VTRatioChange": false,
+        "value": 0
+      },
+      "medium": {
+        "desc": "Electricity",
+        "type": 1
+      },
+      "timeStamp": 1702392300
+    }
+*/
+type emuMessage1 struct {
+  ActivePowerL1 struct {
+    CfgPhase int `json:"cfgphase"`
+    Unit string `json:"unit"`
+    Value int `json:"value"` 
+  } `json:"Active Power L1"`
+  ActivePowerL2 struct {
+    CfgPhase int `json:"cfgphase"`
+    Unit string `json:"unit"`
+    Value int `json:"value"` 
+  } `json:"Active Power L2"`
+  ActivePowerL3 struct {
+    CfgPhase int `json:"cfgphase"`
+    Unit string `json:"unit"`
+    Value int `json:"value"` 
+  } `json:"Active Power L3"`
+  ActivePowerL123 struct {
+    Unit string `json:"unit"`
+    Value int `json:"value"` 
+  } `json:"Active Power L123"`
+  PowerfactorL1 struct {
+    CfgPhase int `json:"cfgphase"`
+    Unit string `json:"unit"`
+    Value float32 `json:"value"` 
+    ValueRaw float32 `json:"value_raw"` 
+  } `json:"Powerfactor L1"`
+  PowerfactorL2 struct {
+    CfgPhase int `json:"cfgphase"`
+    Unit string `json:"unit"`
+    Value float32 `json:"value"` 
+    ValueRaw float32 `json:"value_raw"` 
+  } `json:"Powerfactor L2"`
+  PowerfactorL3 struct {
+    CfgPhase int `json:"cfgphase"`
+    Unit string `json:"unit"`
+    Value float32 `json:"value"` 
+    ValueRaw float32 `json:"value_raw"` 
+  } `json:"Powerfactor L3"`
+  ErrorCode struct {
+    CTRatioChange bool `json:"CTRatioChange"`
+    ImpulseRatioChange bool `json:"ImpulseRatioChange"`
+    ImpulseWidthChange bool `json:"ImpulseWidthChange"`
+    LogbookFull bool `json:"LogbookFull"`
+    PowerFail bool `json:"PowerFail"`
+    TimeChanged bool `json:"TimeChanged"`
+    VTRatioChange bool `json:"VTRatioChange"`
+    Value int `json:"value"`
+  } `json:"errorcode"`
+  Medium struct {
+    Desc string `json:"desc"`
+    Type int `json:"type"`
+  } `json:"medium"`
+  Timestamp int `json:"timestamp"`
+}
+
+
+
+func Parse(fPort int, decodedPayload []byte, variables *map[string]database.VariableType, _ *database.Device) error {
+  //log.Printf("Parse input: %d, %s", fPort, decodedPayload)
+  switch fPort {
+  case 1:
+    var emuMessage1 emuMessage1
+    err := json.Unmarshal(decodedPayload, &emuMessage1)
+    if err != nil {
+      return fmt.Errorf("Unable to parse payload, fPort %d, error %s", fPort, err)
+    }
+    (*variables)["ActivePowerL1"] = database.VariableType { 
+      Variable: "ActivePowerL1", 
+      Unit: emuMessage1.ActivePowerL1.Unit,
+      Value: emuMessage1.ActivePowerL1.Value,
+    }
+    (*variables)["ActivePowerL2"] = database.VariableType { 
+      Variable: "ActivePowerL2", 
+      Unit: emuMessage1.ActivePowerL2.Unit,
+      Value: emuMessage1.ActivePowerL2.Value,
+    }
+    (*variables)["ActivePowerL3"] = database.VariableType { 
+      Variable: "ActivePowerL3", 
+      Unit: emuMessage1.ActivePowerL3.Unit,
+      Value: emuMessage1.ActivePowerL3.Value,
+    }
+    (*variables)["ActivePowerL123"] = database.VariableType { 
+      Variable: "ActivePowerL123", 
+      Unit: emuMessage1.ActivePowerL123.Unit,
+      Value: emuMessage1.ActivePowerL123.Value,
+    }
+    (*variables)["PowerfactorL1"] = database.VariableType { 
+      Variable: "PowerfactorL1", 
+      Unit: emuMessage1.PowerfactorL1.Unit,
+      Value: emuMessage1.PowerfactorL1.Value,
+    }
+    (*variables)["PowerfactorL2"] = database.VariableType { 
+      Variable: "PowerfactorL2", 
+      Unit: emuMessage1.PowerfactorL2.Unit,
+      Value: emuMessage1.PowerfactorL2.Value,
+    }
+    (*variables)["PowerfactorL3"] = database.VariableType { 
+      Variable: "PowerfactorL3", 
+      Unit: emuMessage1.PowerfactorL3.Unit,
+      Value: emuMessage1.PowerfactorL3.Value,
+    }
+
+    return nil
+  case 2:
+    var emuMessage2 emuMessage2
+    err := json.Unmarshal(decodedPayload, &emuMessage2)
+    if err != nil {
+      return fmt.Errorf("Unable to parse payload, fPort %d, error %s", fPort, err)
+    }
+    (*variables)["ActiveEnergyExport"] = database.VariableType { 
+      Variable: "ActiveEnergyExport", 
+      Unit: emuMessage2.ActiveEnergyExport.Unit,
+      Value: emuMessage2.ActiveEnergyExport.Value,
+    }
+    (*variables)["ActiveEnergyImport"] = database.VariableType { 
+      Variable: "ActiveEnergyImport", 
+      Unit: emuMessage2.ActiveEnergyImport.Unit,
+      Value: emuMessage2.ActiveEnergyImport.Value,
+    }
+    (*variables)["ReactiveEnergyExport"] = database.VariableType { 
+      Variable: "ReactiveEnergyExport", 
+      Unit: emuMessage2.ReactiveEnergyExport.Unit,
+      Value: emuMessage2.ReactiveEnergyExport.Value,
+    }
+    (*variables)["ReactiveEnergyImport"] = database.VariableType { 
+      Variable: "ReactiveEnergyImport", 
+      Unit: emuMessage2.ReactiveEnergyImport.Unit,
+      Value: emuMessage2.ReactiveEnergyImport.Value,
+    }
+    return nil
+  default:
+    return fmt.Errorf("Unexpected fPort %d", fPort)
+  }
+}
+

src/udi/handlers/ttn/ttn.go

@@ -1,20 +1,87 @@
 package ttn
 
-import "log"
-import "fmt"
-import "udi/handlers/handler"
+import (
+  "log"
+  "fmt"
+  "time"
+  "encoding/json"
+  "udi/config"
+  "udi/handlers/handler"
+  "udi/handlers/ttn/models/emuProfIILoRaCfg1"
+  "udi/handlers/ttn/models/draginoLdds75"
+  "udi/handlers/ttn/models/draginoLmds200"
+  "udi/database"
+)
 
 var idSeq int = 0
 
 type TTNHandler struct {
   id int
+  dbh *database.DatabaseHandle
 }
 
-func NewTTNHandler() handler.Handler {
+type DecodedPayloaderHolder struct {
+  Payload []byte
+}
+
+type uplinkMessage struct {
+  EndDeviceIds struct {
+    DeviceId string `json:"device_id"`
+    ApplicationIds struct {
+      ApplicationId string `json:"application_id"`
+    } `json:"application_ids"`
+    DevEui string `json:"dev_eui"`
+    JoinEui string `json:"join_eui"`
+    DevAddr string `json:"dev_addr"`
+  } `json:"end_device_ids"`
+  ReceivedAt string `json:"received_at"`
+  UplinkMessage struct {
+    FCnt int `json:"f_cnt"`
+    FPort int `json:"f_port"`
+    FrmPayload string `json:"frm_payload"`
+    DecodedPayload DecodedPayloaderHolder `json:"decoded_payload"`
+    RxMetadata []struct {
+      GatewayIds struct {
+        GatewayId string `json:"gateway_id"`
+        Eui string `json:"eui"`
+      } `json:"gateway_ids"`
+      Time string `json:"time"`
+      Rssi int `json:"rssi"`
+      ChannelRssi int `json:"channel_rssi"`
+      Snr float32 `json:"snr"`
+      ChannelIndex int `json:"channel_index"`
+    } `json:"rx_metadata"`
+    ConsumedAirtime string `json:"consumed_airtime"`
+  } `json:"uplink_message"`
+}
+
+type gatewayAttributes struct {
+  GatewayId string `json:"gateway_id"`
+  Rssi int `json:"rssi"`
+  Snr float32 `json:"snr"`
+}
+
+type attributes struct {
+  DeviceId string `json:"device_id"`
+  ApplicationId string `json:"application_id"`
+  FCnt int `json:"f_cnt"`
+  FPort int `json:"f_port"`
+  FrmPayload string `json:"frm_payload"`
+  Gateways []gatewayAttributes `json:"gateways"`
+  ConsumedAirtime string `json:"consumed_airtime"`
+}
+
+func (self *DecodedPayloaderHolder) UnmarshalJSON(data []byte) error {
+  self.Payload = data
+  return nil
+}
+
+func NewTTNHandler(config config.HandlerConfigT) handler.Handler {
   t := &TTNHandler {
     id: idSeq,
   }
   idSeq += 1
+  t.dbh = database.NewDatabaseHandle()
   return t
 }
 
@@ -22,8 +89,80 @@ func (self *TTNHandler) GetId() string {
   return fmt.Sprintf("TTN%d", self.id)
 }
 
+func lost(msg string, message handler.MessageT) {
+  log.Printf("Error: %s, message %s is lost", msg, message)
+}
+
 func (self *TTNHandler) Handle(message handler.MessageT) {
-  log.Printf("Handler TTN %d processing %s -> %s", self.id, message.Topic, message.Payload)
+  // log.Printf("Handler TTN %d processing %s -> %s", self.id, message.Topic, message.Payload)
+
+  var measurement database.Measurement
+  measurement.Time = time.Now()
+
+  var uplinkMessage uplinkMessage
+  err := json.Unmarshal([]byte(message.Payload), &uplinkMessage)
+  if err != nil {
+    lost(fmt.Sprintf("Error when unmarshaling message: %s, ", err), message)
+    return
+  }
+  //log.Printf("Parsed message: %s", uplinkMessage)
+
+  var attributes attributes
+  attributes.DeviceId = uplinkMessage.EndDeviceIds.DeviceId
+  attributes.ApplicationId = uplinkMessage.EndDeviceIds.ApplicationIds.ApplicationId
+  attributes.FCnt = uplinkMessage.UplinkMessage.FCnt
+  attributes.FPort = uplinkMessage.UplinkMessage.FPort
+  attributes.FrmPayload = uplinkMessage.UplinkMessage.FrmPayload
+  attributes.ConsumedAirtime = uplinkMessage.UplinkMessage.ConsumedAirtime
+  for _, rxm := range uplinkMessage.UplinkMessage.RxMetadata {
+    log.Printf("RXM: %s", rxm)
+    g := gatewayAttributes { GatewayId: rxm.GatewayIds.GatewayId, Rssi: rxm.Rssi, Snr: rxm.Snr }
+    attributes.Gateways = append(attributes.Gateways, g)
+  }
+  //log.Printf("Attributes: %s", attributes)
+  measurement.Attributes = map[string]interface{} {
+    "DeviceId": attributes.DeviceId,
+    "ApplicationId": attributes.ApplicationId,
+    "FCnt": attributes.FCnt,
+    "FPort": attributes.FPort,
+    "FrmPayload": attributes.FrmPayload,
+    "Gateways": attributes.Gateways,
+    "ConsumedAirtime": attributes.ConsumedAirtime,
+  }
+
+  //log.Printf("ApplicationId: %s, DeviceId: %s", attributes.ApplicationId, attributes.DeviceId)
+  device, err2 := self.dbh.GetDeviceByLabelAndApplication(attributes.ApplicationId, attributes.DeviceId)
+  if err2 != nil {
+    lost(fmt.Sprintf("Error when loading device: %s, ", err2), message)
+    return
+  }
+  measurement.Application = attributes.ApplicationId
+  measurement.Device = attributes.DeviceId
+  measurement.Attributes["DeviceType"] = device.DeviceType.ModelIdentifier
+
+  //log.Printf("DeviceLabel: %s, DeviceType: %s", device.Label, device.DeviceType.ModelIdentifier)
+
+  var parser func(int, []byte, *map[string]database.VariableType, *database.Device) error
+  switch device.DeviceType.ModelIdentifier {
+  case "emu-prof-ii-lora-cfg1":
+    parser = emuProfIILoRaCfg1.Parse
+  case "dragino-ldds75":
+    parser = draginoLdds75.Parse
+  case "dragino-lmds200":
+    parser = draginoLmds200.Parse
+  default:
+    lost(fmt.Sprintf("No parser found for %s", device.DeviceType.ModelIdentifier), message)
+    return
+  }
+
+  measurement.Values = make(map[string]database.VariableType)
+  err3 := parser(uplinkMessage.UplinkMessage.FPort, uplinkMessage.UplinkMessage.DecodedPayload.Payload, &(measurement.Values), device)
+  if err3 != nil {
+    lost(fmt.Sprintf("Model parser failed: %s", err3), message)
+    return
+  }
+  log.Printf("Prepared measurement item: %s", measurement)
+  self.dbh.StoreMeasurement(&measurement)
 }