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Björn Busse 2020-06-25 01:06:10 +02:00
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@ -8,7 +8,7 @@ The exporter parses the (Hortonworks) Hadoop config and uses (Hortonworks)
Hadoop internal tooling to determine e.g. the currently active master
so that it can run in different environments without requiring any configuration
Those tools are not yet included when building the app as a container!
Those tools are not yet included when building the app as a container
Since some important metrics are missing or empty in JMX, we additionally parse the HBase Master UI
for e.g. 'Stale regions in transition'
@ -20,13 +20,32 @@ a systemd-timer unit and a systemd-hbck-service unit
Unfortunately querying the active namenode requires superuser privileges
For python module requirements see requirements.txt
or execute the commands outlined below
```sh
$ sudo dnf/yum install python36
$ sudo dnf/pkg install python36
```
```sh
# As the user executing the exporter:
$ pip3[.6] install --user beautifulsoup4 flatten_json kazoo prometheus_client requests
$ pip3[.6] install --user -r requirements.txt
```
To generate the necessary HBase Python Protobuf bindings, run the Makefile
The protobuf compiler is necessary to build them
Install the protobuf compiler
```
$ sudo dnf/pkg install protobuf-c
```
Run make
```
$ make
```
## Issues
Import paths do not work in generated protobufs when used from a subdir
https://github.com/protocolbuffers/protobuf/issues/1491
The solution used here is mentioned in the comments:
https://github.com/protocolbuffers/protobuf/issues/1491#issuecomment-547504972