61b2d6b87b
* Commit for mainflux-596 Modified and tested: - cli - http - mqtt - normalizer - all readers - sdk messages - all writers - ws Missing: - coap - lora Signed-off-by: ale <ale@metaverso.org> * - fix subtopic name in, when starting with dot, http/ws/mqtt - add some test on readers Signed-off-by: ale <ale@metaverso.org> * - fix string concatenation - update http/transport regexp to match subtopic names with only \w- - update ws/transport regexp like http ones with also the wildcard * and > Signed-off-by: ale <ale@metaverso.org> * added subtopic support to coap adapter Signed-off-by: ale <ale@metaverso.org> * - update replace functions with replaceall when needed - renamed getDestChannel to fmtSubject - update api/transport and ws/transport route to be more readable - fix mqtt syntax - renamed func andQuery to query as suggested by @anovakovic01 - have a nice we :) Signed-off-by: ale <ale@metaverso.org> * - fix error declaration on ws/nat/publisher - fix regexp added missing allowed chars - and _ on coap/api/transport - fix subtopic clean suffix / if present on coap/api/transport - improve regexp on http and ws /api/transport, now does not accept url that do not strictly match - add some ws subtopic tests Signed-off-by: ale <ale@metaverso.org> * - enabled wildcard chars on coap/api/transport - allow use special chars on http and ws api/transport Signed-off-by: ale <ale@metaverso.org> * - use strings.Replace() insted ReplaceAll() Signed-off-by: ale <ale@metaverso.org> * - allow every chars on subtopics - fix replace error on mqtt Signed-off-by: ale <ale@metaverso.org> * fix cassandra test Signed-off-by: ale <ale@metaverso.org> * fix ws test with invalid subtopic Signed-off-by: ale <ale@metaverso.org> * fix invalid GOCACHE in go1.12, replaced by -count 1, see https://golang.org/doc/go1.10#test Signed-off-by: ale <ale@metaverso.org> * - improve regexp on http/ws api/transport - minor changes Signed-off-by: ale <ale@metaverso.org> * - add generic function parseSubtopic on ws/http adapters Signed-off-by: ale <ale@metaverso.org> * - add generic function fmtSubtopic on coap adapter Signed-off-by: ale <ale@metaverso.org> |
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| README.md | ||
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| init.go | ||
| messages.go | ||
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| setup_test.go | ||
README.md
Cassandra reader
Cassandra reader provides message repository implementation for Cassandra.
Configuration
The service is configured using the environment variables presented in the following table. Note that any unset variables will be replaced with their default values.
| Variable | Description | Default |
|---|---|---|
| MF_CASSANDRA_READER_PORT | Service HTTP port | 8180 |
| MF_CASSANDRA_READER_DB_CLUSTER | Cassandra cluster comma separated addresses | 127.0.0.1 |
| MF_CASSANDRA_READER_DB_KEYSPACE | Cassandra keyspace name | mainflux |
| MF_THINGS_URL | Things service URL | localhost:8181 |
| MF_CASSANDRA_READER_CLIENT_TLS | Flag that indicates if TLS should be turned on | false |
| MF_CASSANDRA_READER_CA_CERTS | Path to trusted CAs in PEM format |
Deployment
version: "2"
cassandra-reader:
image: mainflux/cassandra-reader:[version]
container_name: [instance name]
expose:
- [Service HTTP port]
restart: on-failure
environment:
MF_THINGS_URL: [Things service URL]
MF_CASSANDRA_READER_PORT: [Service HTTP port]
MF_CASSANDRA_READER_DB_CLUSTER: [Cassandra cluster comma separated addresses]
MF_CASSANDRA_READER_DB_KEYSPACE: [Cassandra keyspace name]
MF_CASSANDRA_READER_CLIENT_TLS: [Flag that indicates if TLS should be turned on]
MF_CASSANDRA_READER_CA_CERTS: [Path to trusted CAs in PEM format]
ports:
- [host machine port]:[configured HTTP port]
To start the service, execute the following shell script:
# download the latest version of the service
go get github.com/mainflux/mainflux
cd $GOPATH/src/github.com/mainflux/mainflux
# compile the cassandra
make cassandra-reader
# copy binary to bin
make install
# Set the environment variables and run the service
MF_THINGS_URL=[Things service URL] MF_CASSANDRA_READER_PORT=[Service HTTP port] MF_CASSANDRA_READER_DB_CLUSTER=[Cassandra cluster comma separated addresses] MF_CASSANDRA_READER_DB_KEYSPACE=[Cassandra keyspace name] MF_CASSANDRA_READER_CLIENT_TLS=[Flag that indicates if TLS should be turned on] MF_CASSANDRA_READER_CA_CERTS=[Path to trusted CAs in PEM format] $GOBIN/mainflux-cassandra-reader
Using docker-compose
This service can be deployed using docker containers. Docker compose file is
available in <project_root>/docker/addons/cassandra-reader/docker-compose.yml.
In order to run all Mainflux core services, as well as mentioned optional ones,
execute following command:
docker-compose -f docker/docker-compose.yml up -d
./docker/addons/cassandra-writer/init.sh
docker-compose -f docker/addons/casandra-reader/docker-compose.yml up -d
Usage
Service exposes HTTP API for fetching messages.