cc-metric-collector/sinks/sampleSink.go

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package sinks
import (
"encoding/json"
"fmt"
"log"
cclog "github.com/ClusterCockpit/cc-metric-collector/pkg/ccLogger"
lp "github.com/ClusterCockpit/cc-metric-collector/pkg/ccMetric"
)
type SampleSinkConfig struct {
Merge latest developments into main (#67) * Update configuration.md Add an additional receiver to have better alignment of components * Change default GpfsCollector command to `mmpmon` (#53) * Set default cmd to 'mmpmon' * Reuse looked up path * Cast const to string * Just download LIKWID to get the headers (#54) * Just download LIKWID to get the headers * Remove perl-Data-Dumper from BuildRequires, only required by LIKWID build * Add HttpReceiver as counterpart to the HttpSink (#49) * Use GBytes as unit for large memory numbers * Make maxForward configurable, save old name in meta in rename metrics and make the hostname tag key configurable * Single release action (#55) Building all RPMs and releasing in a single workflow * Makefile target to build binary-only Debian packages (#61) * Add 'install' and 'DEB' make targets to build binary-only Debian packages * Add control file for DEB builds * Use a single line for bash loop in make clean * Add config options for retry intervals of InfluxDB clients (#59) * Refactoring of LikwidCollector and metric units (#62) * Reduce complexity of LikwidCollector and allow metric units * Add unit to LikwidCollector docu and fix some typos * Make library path configurable * Use old metric name in Ganglia if rename has happened in the router (#60) * Use old metric name if rename has happened in the router * Also check for Ganglia renames for the oldname * Derived metrics (#57) * Add time-based derivatived (e.g. bandwidth) to some collectors * Add documentation * Add comments * Fix: Only compute rates with a valid previous state * Only compute rates with a valid previous state * Define const values for net/dev fields * Set default config values * Add comments * Refactor: Consolidate data structures * Refactor: Consolidate data structures * Refactor: Avoid struct deep copy * Refactor: Avoid redundant tag maps * Refactor: Use int64 type for absolut values Co-authored-by: Holger Obermaier <40787752+ho-ob@users.noreply.github.com> * Simplified iota usage * Move unit tag to meta data tags * Derived metrics (#65) * Add time-based derivatived (e.g. bandwidth) to some collectors * Add documentation * Add comments * Fix: Only compute rates with a valid previous state * Only compute rates with a valid previous state * Define const values for net/dev fields * Set default config values * Add comments * Refactor: Consolidate data structures * Refactor: Consolidate data structures * Refactor: Avoid struct deep copy * Refactor: Avoid redundant tag maps * Refactor: Use int64 type for absolut values * Update LustreCollector Co-authored-by: Holger Obermaier <40787752+ho-ob@users.noreply.github.com> * Meta to tags list and map for sinks (#63) * Change ccMetric->Influx functions * Use a meta_as_tags string list in config but create a lookup map afterwards * Add meta as tag logic to sampleSink * Fix staticcheck warnings (#66) Co-authored-by: Holger Obermaier <40787752+ho-ob@users.noreply.github.com>
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// defines JSON tags for 'type' and 'meta_as_tags' (string list)
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// See: metricSink.go
defaultSinkConfig
// Additional config options, for SampleSink
}
type SampleSink struct {
Merge latest developments into main (#67) * Update configuration.md Add an additional receiver to have better alignment of components * Change default GpfsCollector command to `mmpmon` (#53) * Set default cmd to 'mmpmon' * Reuse looked up path * Cast const to string * Just download LIKWID to get the headers (#54) * Just download LIKWID to get the headers * Remove perl-Data-Dumper from BuildRequires, only required by LIKWID build * Add HttpReceiver as counterpart to the HttpSink (#49) * Use GBytes as unit for large memory numbers * Make maxForward configurable, save old name in meta in rename metrics and make the hostname tag key configurable * Single release action (#55) Building all RPMs and releasing in a single workflow * Makefile target to build binary-only Debian packages (#61) * Add 'install' and 'DEB' make targets to build binary-only Debian packages * Add control file for DEB builds * Use a single line for bash loop in make clean * Add config options for retry intervals of InfluxDB clients (#59) * Refactoring of LikwidCollector and metric units (#62) * Reduce complexity of LikwidCollector and allow metric units * Add unit to LikwidCollector docu and fix some typos * Make library path configurable * Use old metric name in Ganglia if rename has happened in the router (#60) * Use old metric name if rename has happened in the router * Also check for Ganglia renames for the oldname * Derived metrics (#57) * Add time-based derivatived (e.g. bandwidth) to some collectors * Add documentation * Add comments * Fix: Only compute rates with a valid previous state * Only compute rates with a valid previous state * Define const values for net/dev fields * Set default config values * Add comments * Refactor: Consolidate data structures * Refactor: Consolidate data structures * Refactor: Avoid struct deep copy * Refactor: Avoid redundant tag maps * Refactor: Use int64 type for absolut values Co-authored-by: Holger Obermaier <40787752+ho-ob@users.noreply.github.com> * Simplified iota usage * Move unit tag to meta data tags * Derived metrics (#65) * Add time-based derivatived (e.g. bandwidth) to some collectors * Add documentation * Add comments * Fix: Only compute rates with a valid previous state * Only compute rates with a valid previous state * Define const values for net/dev fields * Set default config values * Add comments * Refactor: Consolidate data structures * Refactor: Consolidate data structures * Refactor: Avoid struct deep copy * Refactor: Avoid redundant tag maps * Refactor: Use int64 type for absolut values * Update LustreCollector Co-authored-by: Holger Obermaier <40787752+ho-ob@users.noreply.github.com> * Meta to tags list and map for sinks (#63) * Change ccMetric->Influx functions * Use a meta_as_tags string list in config but create a lookup map afterwards * Add meta as tag logic to sampleSink * Fix staticcheck warnings (#66) Co-authored-by: Holger Obermaier <40787752+ho-ob@users.noreply.github.com>
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// declares elements 'name' and 'meta_as_tags' (string to bool map!)
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sink
config SampleSinkConfig // entry point to the SampleSinkConfig
}
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// Implement functions required for Sink interface
// Write(...), Flush(), Close()
// See: metricSink.go
// Code to submit a single CCMetric to the sink
func (s *SampleSink) Write(point lp.CCMetric) error {
Merge latest developments into main (#67) * Update configuration.md Add an additional receiver to have better alignment of components * Change default GpfsCollector command to `mmpmon` (#53) * Set default cmd to 'mmpmon' * Reuse looked up path * Cast const to string * Just download LIKWID to get the headers (#54) * Just download LIKWID to get the headers * Remove perl-Data-Dumper from BuildRequires, only required by LIKWID build * Add HttpReceiver as counterpart to the HttpSink (#49) * Use GBytes as unit for large memory numbers * Make maxForward configurable, save old name in meta in rename metrics and make the hostname tag key configurable * Single release action (#55) Building all RPMs and releasing in a single workflow * Makefile target to build binary-only Debian packages (#61) * Add 'install' and 'DEB' make targets to build binary-only Debian packages * Add control file for DEB builds * Use a single line for bash loop in make clean * Add config options for retry intervals of InfluxDB clients (#59) * Refactoring of LikwidCollector and metric units (#62) * Reduce complexity of LikwidCollector and allow metric units * Add unit to LikwidCollector docu and fix some typos * Make library path configurable * Use old metric name in Ganglia if rename has happened in the router (#60) * Use old metric name if rename has happened in the router * Also check for Ganglia renames for the oldname * Derived metrics (#57) * Add time-based derivatived (e.g. bandwidth) to some collectors * Add documentation * Add comments * Fix: Only compute rates with a valid previous state * Only compute rates with a valid previous state * Define const values for net/dev fields * Set default config values * Add comments * Refactor: Consolidate data structures * Refactor: Consolidate data structures * Refactor: Avoid struct deep copy * Refactor: Avoid redundant tag maps * Refactor: Use int64 type for absolut values Co-authored-by: Holger Obermaier <40787752+ho-ob@users.noreply.github.com> * Simplified iota usage * Move unit tag to meta data tags * Derived metrics (#65) * Add time-based derivatived (e.g. bandwidth) to some collectors * Add documentation * Add comments * Fix: Only compute rates with a valid previous state * Only compute rates with a valid previous state * Define const values for net/dev fields * Set default config values * Add comments * Refactor: Consolidate data structures * Refactor: Consolidate data structures * Refactor: Avoid struct deep copy * Refactor: Avoid redundant tag maps * Refactor: Use int64 type for absolut values * Update LustreCollector Co-authored-by: Holger Obermaier <40787752+ho-ob@users.noreply.github.com> * Meta to tags list and map for sinks (#63) * Change ccMetric->Influx functions * Use a meta_as_tags string list in config but create a lookup map afterwards * Add meta as tag logic to sampleSink * Fix staticcheck warnings (#66) Co-authored-by: Holger Obermaier <40787752+ho-ob@users.noreply.github.com>
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// based on s.meta_as_tags use meta infos as tags
log.Print(point)
return nil
}
// If the sink uses batched sends internally, you can tell to flush its buffers
func (s *SampleSink) Flush() error {
return nil
}
// Close sink: close network connection, close files, close libraries, ...
func (s *SampleSink) Close() {
cclog.ComponentDebug(s.name, "CLOSE")
}
// New function to create a new instance of the sink
// Initialize the sink by giving it a name and reading in the config JSON
func NewSampleSink(name string, config json.RawMessage) (Sink, error) {
s := new(SampleSink)
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// Set name of sampleSink
// The name should be chosen in such a way that different instances of SampleSink can be distinguished
s.name = fmt.Sprintf("SampleSink(%s)", name) // Always specify a name here
// Set defaults in s.config
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// Allow overwriting these defaults by reading config JSON
// Read in the config JSON
if len(config) > 0 {
err := json.Unmarshal(config, &s.config)
if err != nil {
return nil, err
}
}
Merge latest developments into main (#67) * Update configuration.md Add an additional receiver to have better alignment of components * Change default GpfsCollector command to `mmpmon` (#53) * Set default cmd to 'mmpmon' * Reuse looked up path * Cast const to string * Just download LIKWID to get the headers (#54) * Just download LIKWID to get the headers * Remove perl-Data-Dumper from BuildRequires, only required by LIKWID build * Add HttpReceiver as counterpart to the HttpSink (#49) * Use GBytes as unit for large memory numbers * Make maxForward configurable, save old name in meta in rename metrics and make the hostname tag key configurable * Single release action (#55) Building all RPMs and releasing in a single workflow * Makefile target to build binary-only Debian packages (#61) * Add 'install' and 'DEB' make targets to build binary-only Debian packages * Add control file for DEB builds * Use a single line for bash loop in make clean * Add config options for retry intervals of InfluxDB clients (#59) * Refactoring of LikwidCollector and metric units (#62) * Reduce complexity of LikwidCollector and allow metric units * Add unit to LikwidCollector docu and fix some typos * Make library path configurable * Use old metric name in Ganglia if rename has happened in the router (#60) * Use old metric name if rename has happened in the router * Also check for Ganglia renames for the oldname * Derived metrics (#57) * Add time-based derivatived (e.g. bandwidth) to some collectors * Add documentation * Add comments * Fix: Only compute rates with a valid previous state * Only compute rates with a valid previous state * Define const values for net/dev fields * Set default config values * Add comments * Refactor: Consolidate data structures * Refactor: Consolidate data structures * Refactor: Avoid struct deep copy * Refactor: Avoid redundant tag maps * Refactor: Use int64 type for absolut values Co-authored-by: Holger Obermaier <40787752+ho-ob@users.noreply.github.com> * Simplified iota usage * Move unit tag to meta data tags * Derived metrics (#65) * Add time-based derivatived (e.g. bandwidth) to some collectors * Add documentation * Add comments * Fix: Only compute rates with a valid previous state * Only compute rates with a valid previous state * Define const values for net/dev fields * Set default config values * Add comments * Refactor: Consolidate data structures * Refactor: Consolidate data structures * Refactor: Avoid struct deep copy * Refactor: Avoid redundant tag maps * Refactor: Use int64 type for absolut values * Update LustreCollector Co-authored-by: Holger Obermaier <40787752+ho-ob@users.noreply.github.com> * Meta to tags list and map for sinks (#63) * Change ccMetric->Influx functions * Use a meta_as_tags string list in config but create a lookup map afterwards * Add meta as tag logic to sampleSink * Fix staticcheck warnings (#66) Co-authored-by: Holger Obermaier <40787752+ho-ob@users.noreply.github.com>
2022-03-15 16:41:11 +01:00
// Create lookup map to use meta infos as tags in the output metric
s.meta_as_tags = make(map[string]bool)
for _, k := range s.config.MetaAsTags {
s.meta_as_tags[k] = true
}
// Check if all required fields in the config are set
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// E.g. use 'len(s.config.Option) > 0' for string settings
// Establish connection to the server, library, ...
// Check required files exist and lookup path(s) of executable(s)
// Return (nil, meaningful error message) in case of errors
return s, nil
}