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use grafana alloy instead of fluent-bit #4525

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use grafana alloy instead of fluent-bit #4525

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7 changes: 5 additions & 2 deletions charts/gateway-addons-helm/Chart.lock
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Original file line number Diff line number Diff line change
Expand Up @@ -8,6 +8,9 @@ dependencies:
- name: fluent-bit
repository: https://fluent.github.io/helm-charts
version: 0.30.4
- name: alloy
repository: https://grafana.github.io/helm-charts
version: 0.9.2
- name: loki
repository: https://grafana.github.io/helm-charts
version: 4.8.0
Expand All @@ -17,5 +20,5 @@ dependencies:
- name: opentelemetry-collector
repository: https://open-telemetry.github.io/opentelemetry-helm-charts
version: 0.108.0
digest: sha256:ea6663bb1358123b96b69d2c5b0b8c20650a43dc39b24c482f0560201fd2cc3a
generated: "2024-10-19T12:59:47.251089661+02:00"
digest: sha256:bc634c59972bfd4a01e0f4310a4949095752e659a9b5cb1d9c0fbe9a86f37011
generated: "2024-10-25T10:55:26.755739+08:00"
4 changes: 4 additions & 0 deletions charts/gateway-addons-helm/Chart.yaml
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Expand Up @@ -37,6 +37,10 @@ dependencies:
repository: https://fluent.github.io/helm-charts
version: 0.30.4
condition: fluent-bit.enabled
- name: alloy
repository: https://grafana.github.io/helm-charts
version: 0.9.2
condition: alloy.enabled
- name: loki
version: 4.8.0
repository: https://grafana.github.io/helm-charts
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4 changes: 4 additions & 0 deletions charts/gateway-addons-helm/README.md
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Expand Up @@ -22,6 +22,7 @@ An Add-ons Helm chart for Envoy Gateway
| Repository | Name | Version |
|------------|------|---------|
| https://fluent.github.io/helm-charts | fluent-bit | 0.30.4 |
| https://grafana.github.io/helm-charts | alloy | 0.9.2 |
| https://grafana.github.io/helm-charts | grafana | 8.0.0 |
| https://grafana.github.io/helm-charts | loki | 4.8.0 |
| https://grafana.github.io/helm-charts | tempo | 1.3.1 |
Expand Down Expand Up @@ -55,6 +56,9 @@ To uninstall the chart:

| Key | Type | Default | Description |
|-----|------|---------|-------------|
| alloy.alloy.configMap.content | string | `"// Write your Alloy config here:\nlogging {\n level = \"info\"\n format = \"logfmt\"\n}\nloki.write \"alloy\" {\n endpoint {\n url = \"http://loki.monitoring.svc:3100/loki/api/v1/push\"\n }\n}\n// discovery.kubernetes allows you to find scrape targets from Kubernetes resources.\n// It watches cluster state and ensures targets are continually synced with what is currently running in your cluster.\ndiscovery.kubernetes \"pod\" {\n role = \"pod\"\n}\n\n// discovery.relabel rewrites the label set of the input targets by applying one or more relabeling rules.\n// If no rules are defined, then the input targets are exported as-is.\ndiscovery.relabel \"pod_logs\" {\n targets = discovery.kubernetes.pod.targets\n\n // Label creation - \"namespace\" field from \"__meta_kubernetes_namespace\"\n rule {\n source_labels = [\"__meta_kubernetes_namespace\"]\n action = \"replace\"\n target_label = \"namespace\"\n }\n\n // Label creation - \"pod\" field from \"__meta_kubernetes_pod_name\"\n rule {\n source_labels = [\"__meta_kubernetes_pod_name\"]\n action = \"replace\"\n target_label = \"pod\"\n }\n\n // Label creation - \"container\" field from \"__meta_kubernetes_pod_container_name\"\n rule {\n source_labels = [\"__meta_kubernetes_pod_container_name\"]\n action = \"replace\"\n target_label = \"container\"\n }\n\n // Label creation - \"app\" field from \"__meta_kubernetes_pod_label_app_kubernetes_io_name\"\n rule {\n source_labels = [\"__meta_kubernetes_pod_label_app_kubernetes_io_name\"]\n action = \"replace\"\n target_label = \"app\"\n }\n\n // Label creation - \"job\" field from \"__meta_kubernetes_namespace\" and \"__meta_kubernetes_pod_container_name\"\n // Concatenate values __meta_kubernetes_namespace/__meta_kubernetes_pod_container_name\n rule {\n source_labels = [\"__meta_kubernetes_namespace\", \"__meta_kubernetes_pod_container_name\"]\n action = \"replace\"\n target_label = \"job\"\n separator = \"/\"\n replacement = \"$1\"\n }\n\n // Label creation - \"container\" field from \"__meta_kubernetes_pod_uid\" and \"__meta_kubernetes_pod_container_name\"\n // Concatenate values __meta_kubernetes_pod_uid/__meta_kubernetes_pod_container_name.log\n rule {\n source_labels = [\"__meta_kubernetes_pod_uid\", \"__meta_kubernetes_pod_container_name\"]\n action = \"replace\"\n target_label = \"__path__\"\n separator = \"/\"\n replacement = \"/var/log/pods/*$1/*.log\"\n }\n\n // Label creation - \"container_runtime\" field from \"__meta_kubernetes_pod_container_id\"\n rule {\n source_labels = [\"__meta_kubernetes_pod_container_id\"]\n action = \"replace\"\n target_label = \"container_runtime\"\n regex = \"^(\\\\S+):\\\\/\\\\/.+$\"\n replacement = \"$1\"\n }\n}\n\n// loki.source.kubernetes tails logs from Kubernetes containers using the Kubernetes API.\nloki.source.kubernetes \"pod_logs\" {\n targets = discovery.relabel.pod_logs.output\n forward_to = [loki.process.pod_logs.receiver]\n}\n// loki.process receives log entries from other Loki components, applies one or more processing stages,\n// and forwards the results to the list of receivers in the component’s arguments.\nloki.process \"pod_logs\" {\n stage.static_labels {\n values = {\n cluster = \"envoy-gateway\",\n }\n }\n\n forward_to = [loki.write.alloy.receiver]\n}"` | |
| alloy.enabled | bool | `true` | |
| alloy.fullnameOverride | string | `"alloy"` | |
| fluent-bit.config.filters | string | `"[FILTER]\n Name kubernetes\n Match kube.*\n Merge_Log On\n Keep_Log Off\n K8S-Logging.Parser On\n K8S-Logging.Exclude On\n\n[FILTER]\n Name grep\n Match kube.*\n Regex $kubernetes['container_name'] ^envoy$\n\n[FILTER]\n Name parser\n Match kube.*\n Key_Name log\n Parser envoy\n Reserve_Data True\n"` | |
| fluent-bit.config.inputs | string | `"[INPUT]\n Name tail\n Path /var/log/containers/*.log\n multiline.parser docker, cri\n Tag kube.*\n Mem_Buf_Limit 5MB\n Skip_Long_Lines On\n"` | |
| fluent-bit.config.outputs | string | `"[OUTPUT]\n Name loki\n Match kube.*\n Host loki.monitoring.svc.cluster.local\n Port 3100\n Labels job=fluentbit, app=$kubernetes['labels']['app'], k8s_namespace_name=$kubernetes['namespace_name'], k8s_pod_name=$kubernetes['pod_name'], k8s_container_name=$kubernetes['container_name']\n"` | |
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104 changes: 104 additions & 0 deletions charts/gateway-addons-helm/values.yaml
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Expand Up @@ -60,6 +60,7 @@ prometheus:


# Values for Fluent-bit dependency
# TODO: remove fluent-bit dependency
fluent-bit:
enabled: true
image:
Expand Down Expand Up @@ -167,6 +168,109 @@ loki:
gateway:
enabled: false

# Values for Alloy dependency
alloy:
enabled: true
fullnameOverride: alloy
alloy:
configMap:
content: |-
// Write your Alloy config here:
logging {
level = "info"
format = "logfmt"
}
loki.write "alloy" {
endpoint {
url = "http://loki.monitoring.svc:3100/loki/api/v1/push"
}
}
// discovery.kubernetes allows you to find scrape targets from Kubernetes resources.
// It watches cluster state and ensures targets are continually synced with what is currently running in your cluster.
discovery.kubernetes "pod" {
role = "pod"
}

// discovery.relabel rewrites the label set of the input targets by applying one or more relabeling rules.
// If no rules are defined, then the input targets are exported as-is.
discovery.relabel "pod_logs" {
targets = discovery.kubernetes.pod.targets

// Label creation - "namespace" field from "__meta_kubernetes_namespace"
rule {
source_labels = ["__meta_kubernetes_namespace"]
action = "replace"
target_label = "namespace"
}

// Label creation - "pod" field from "__meta_kubernetes_pod_name"
rule {
source_labels = ["__meta_kubernetes_pod_name"]
action = "replace"
target_label = "pod"
}

// Label creation - "container" field from "__meta_kubernetes_pod_container_name"
rule {
source_labels = ["__meta_kubernetes_pod_container_name"]
action = "replace"
target_label = "container"
}

// Label creation - "app" field from "__meta_kubernetes_pod_label_app_kubernetes_io_name"
rule {
source_labels = ["__meta_kubernetes_pod_label_app_kubernetes_io_name"]
action = "replace"
target_label = "app"
}

// Label creation - "job" field from "__meta_kubernetes_namespace" and "__meta_kubernetes_pod_container_name"
// Concatenate values __meta_kubernetes_namespace/__meta_kubernetes_pod_container_name
rule {
source_labels = ["__meta_kubernetes_namespace", "__meta_kubernetes_pod_container_name"]
action = "replace"
target_label = "job"
separator = "/"
replacement = "$1"
}

// Label creation - "container" field from "__meta_kubernetes_pod_uid" and "__meta_kubernetes_pod_container_name"
// Concatenate values __meta_kubernetes_pod_uid/__meta_kubernetes_pod_container_name.log
rule {
source_labels = ["__meta_kubernetes_pod_uid", "__meta_kubernetes_pod_container_name"]
action = "replace"
target_label = "__path__"
separator = "/"
replacement = "/var/log/pods/*$1/*.log"
}

// Label creation - "container_runtime" field from "__meta_kubernetes_pod_container_id"
rule {
source_labels = ["__meta_kubernetes_pod_container_id"]
action = "replace"
target_label = "container_runtime"
regex = "^(\\S+):\\/\\/.+$"
replacement = "$1"
}
}

// loki.source.kubernetes tails logs from Kubernetes containers using the Kubernetes API.
loki.source.kubernetes "pod_logs" {
targets = discovery.relabel.pod_logs.output
forward_to = [loki.process.pod_logs.receiver]
}
// loki.process receives log entries from other Loki components, applies one or more processing stages,
// and forwards the results to the list of receivers in the component’s arguments.
loki.process "pod_logs" {
stage.static_labels {
values = {
cluster = "envoy-gateway",
}
}

forward_to = [loki.write.alloy.receiver]
}


# Values for Tempo dependency
tempo:
Expand Down
4 changes: 4 additions & 0 deletions site/content/en/latest/install/gateway-addons-helm-api.md
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Expand Up @@ -24,6 +24,7 @@ An Add-ons Helm chart for Envoy Gateway
| Repository | Name | Version |
|------------|------|---------|
| https://fluent.github.io/helm-charts | fluent-bit | 0.30.4 |
| https://grafana.github.io/helm-charts | alloy | 0.9.2 |
| https://grafana.github.io/helm-charts | grafana | 8.0.0 |
| https://grafana.github.io/helm-charts | loki | 4.8.0 |
| https://grafana.github.io/helm-charts | tempo | 1.3.1 |
Expand All @@ -34,6 +35,9 @@ An Add-ons Helm chart for Envoy Gateway

| Key | Type | Default | Description |
|-----|------|---------|-------------|
| alloy.alloy.configMap.content | string | `"// Write your Alloy config here:\nlogging {\n level = \"info\"\n format = \"logfmt\"\n}\nloki.write \"alloy\" {\n endpoint {\n url = \"http://loki.monitoring.svc:3100/loki/api/v1/push\"\n }\n}\n// discovery.kubernetes allows you to find scrape targets from Kubernetes resources.\n// It watches cluster state and ensures targets are continually synced with what is currently running in your cluster.\ndiscovery.kubernetes \"pod\" {\n role = \"pod\"\n}\n\n// discovery.relabel rewrites the label set of the input targets by applying one or more relabeling rules.\n// If no rules are defined, then the input targets are exported as-is.\ndiscovery.relabel \"pod_logs\" {\n targets = discovery.kubernetes.pod.targets\n\n // Label creation - \"namespace\" field from \"__meta_kubernetes_namespace\"\n rule {\n source_labels = [\"__meta_kubernetes_namespace\"]\n action = \"replace\"\n target_label = \"namespace\"\n }\n\n // Label creation - \"pod\" field from \"__meta_kubernetes_pod_name\"\n rule {\n source_labels = [\"__meta_kubernetes_pod_name\"]\n action = \"replace\"\n target_label = \"pod\"\n }\n\n // Label creation - \"container\" field from \"__meta_kubernetes_pod_container_name\"\n rule {\n source_labels = [\"__meta_kubernetes_pod_container_name\"]\n action = \"replace\"\n target_label = \"container\"\n }\n\n // Label creation - \"app\" field from \"__meta_kubernetes_pod_label_app_kubernetes_io_name\"\n rule {\n source_labels = [\"__meta_kubernetes_pod_label_app_kubernetes_io_name\"]\n action = \"replace\"\n target_label = \"app\"\n }\n\n // Label creation - \"job\" field from \"__meta_kubernetes_namespace\" and \"__meta_kubernetes_pod_container_name\"\n // Concatenate values __meta_kubernetes_namespace/__meta_kubernetes_pod_container_name\n rule {\n source_labels = [\"__meta_kubernetes_namespace\", \"__meta_kubernetes_pod_container_name\"]\n action = \"replace\"\n target_label = \"job\"\n separator = \"/\"\n replacement = \"$1\"\n }\n\n // Label creation - \"container\" field from \"__meta_kubernetes_pod_uid\" and \"__meta_kubernetes_pod_container_name\"\n // Concatenate values __meta_kubernetes_pod_uid/__meta_kubernetes_pod_container_name.log\n rule {\n source_labels = [\"__meta_kubernetes_pod_uid\", \"__meta_kubernetes_pod_container_name\"]\n action = \"replace\"\n target_label = \"__path__\"\n separator = \"/\"\n replacement = \"/var/log/pods/*$1/*.log\"\n }\n\n // Label creation - \"container_runtime\" field from \"__meta_kubernetes_pod_container_id\"\n rule {\n source_labels = [\"__meta_kubernetes_pod_container_id\"]\n action = \"replace\"\n target_label = \"container_runtime\"\n regex = \"^(\\\\S+):\\\\/\\\\/.+$\"\n replacement = \"$1\"\n }\n}\n\n// loki.source.kubernetes tails logs from Kubernetes containers using the Kubernetes API.\nloki.source.kubernetes \"pod_logs\" {\n targets = discovery.relabel.pod_logs.output\n forward_to = [loki.process.pod_logs.receiver]\n}\n// loki.process receives log entries from other Loki components, applies one or more processing stages,\n// and forwards the results to the list of receivers in the component’s arguments.\nloki.process \"pod_logs\" {\n stage.static_labels {\n values = {\n cluster = \"envoy-gateway\",\n }\n }\n\n forward_to = [loki.write.alloy.receiver]\n}"` | |
| alloy.enabled | bool | `true` | |
| alloy.fullnameOverride | string | `"alloy"` | |
| fluent-bit.config.filters | string | `"[FILTER]\n Name kubernetes\n Match kube.*\n Merge_Log On\n Keep_Log Off\n K8S-Logging.Parser On\n K8S-Logging.Exclude On\n\n[FILTER]\n Name grep\n Match kube.*\n Regex $kubernetes['container_name'] ^envoy$\n\n[FILTER]\n Name parser\n Match kube.*\n Key_Name log\n Parser envoy\n Reserve_Data True\n"` | |
| fluent-bit.config.inputs | string | `"[INPUT]\n Name tail\n Path /var/log/containers/*.log\n multiline.parser docker, cri\n Tag kube.*\n Mem_Buf_Limit 5MB\n Skip_Long_Lines On\n"` | |
| fluent-bit.config.outputs | string | `"[OUTPUT]\n Name loki\n Match kube.*\n Host loki.monitoring.svc.cluster.local\n Port 3100\n Labels job=fluentbit, app=$kubernetes['labels']['app'], k8s_namespace_name=$kubernetes['namespace_name'], k8s_pod_name=$kubernetes['pod_name'], k8s_container_name=$kubernetes['container_name']\n"` | |
Expand Down
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