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Merge branch 'main' into develop

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Thomas Gruber 2024-12-19 22:58:27 +01:00 committed by GitHub
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6
pkg/messageProcessor/README.md
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@ -22,6 +22,7 @@ New operations can be added to the message processor at runtime. Of course, they
or some fields in a configuration file for the processing.
The message processor uses the following configuration
```json
{
"drop_messages": [
@ -226,6 +227,7 @@ type MessageProcessor interface {
}
```
### Syntax for evaluatable terms
The message processor uses `gval` for evaluating the terms. It provides a basic set of operators like string comparison and arithmetic operations.
@ -254,9 +256,11 @@ Often the operations are written in JSON files for loading them at startup. In J
- use `''` instead of `""` for strings
- for the regexes, use `%` instead of `\`
For operations that should be applied on all messages, use the condition `true`.
### Overhead
The operations taking conditions are pre-processed, which is commonly the time consuming part but, of course, with each added operation, the time to process a message
increases. Moreover, the processing creates a copy of the message.
increases. Moreover, the processing creates a copy of the message.

1
pkg/messageProcessor/messageProcessor.go
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@ -9,6 +9,7 @@ import (
lp "github.com/ClusterCockpit/cc-energy-manager/pkg/cc-message"
cclog "github.com/ClusterCockpit/cc-metric-collector/pkg/ccLogger"
lplegacy "github.com/ClusterCockpit/cc-metric-collector/pkg/ccMetric"
"github.com/expr-lang/expr"
"github.com/expr-lang/expr/vm"
)