removed: promtail add alloy

This commit is contained in:
Márcio Fernandes
2026-08-29 20:16:20 +00:00
parent 39d75acf06
commit e8e8845cd0
13 changed files with 350 additions and 92 deletions
@@ -0,0 +1,7 @@
apiVersion: kustomize.config.k8s.io/v1beta1
kind: Kustomization
namespace: monitoring
resources:
- secrets.yaml
generatorOptions:
disableNameSuffixHash: true
@@ -1,22 +1,24 @@
apiVersion: helm.toolkit.fluxcd.io/v2
kind: HelmRelease
metadata:
name: promtail
name: alloy-kube-scraper
spec:
releaseName: promtail
releaseName: alloy-kube-scraper
interval: 1m
chart:
spec:
chart: promtail
version: 6.x.x
chart: alloy
version: 1.x.x
sourceRef:
kind: HelmRepository
name: grafana-legacy
name: grafana
interval: 40h
valuesFrom:
- kind: Secret
name: promtail-helm-values
name: alloy-kube-scraper-helm-values
valuesKey: values.yaml
- kind: Secret
name: promtail-helm-values
valuesKey: values.private.yaml
@@ -0,0 +1,175 @@
controller:
type: 'deployment'
tolerations:
- key: "infra.limbosolutions.com/dedicated"
operator: "Exists"
effect: "NoSchedule"
nodeSelector:
kubernetes.io/hostname: casa-minion-01
alloy:
# https://grafana.com/docs/alloy/latest/collect/logs-in-kubernetes/
configMap:
content: |
// ============================================
// LOKI WRITE TARGET
// ============================================
loki.write "loki_srv" {
endpoint {
url = env("LOKI_URL")
}
}
// ============================================
// POD LOGS: DISCOVERY + RELABEL
// ============================================
// Discover Kubernetes pods
discovery.kubernetes "pod_logs" {
role = "pod"
}
discovery.relabel "pod_logs" {
targets = discovery.kubernetes.pod_logs.targets
rule {
source_labels = ["__meta_kubernetes_namespace"]
target_label = "namespace"
}
rule {
source_labels = ["__meta_kubernetes_pod_name"]
regex = "^(.+?)-[0-9a-zA-Z]{4,16}(?:-[0-9a-zA-Z]{4,16})?$"
replacement = "$1"
target_label = "pod"
}
rule {
source_labels = ["__meta_kubernetes_pod_container_name"]
target_label = "container"
}
rule {
source_labels = ["__meta_kubernetes_node_name"]
target_label = "node_name"
}
rule {
source_labels = [
"__meta_kubernetes_pod_controller_name",
]
regex = "([0-9a-z-.]+?)(-[0-9a-f]{8,10})?"
target_label = "controller_name"
}
rule {
source_labels = [
"__meta_kubernetes_pod_label_app_kubernetes_io_name",
"__meta_kubernetes_pod_label_app",
"controller_name",
"__meta_kubernetes_pod_name",
]
regex = "^;*([^;]+)(;.*)?$"
target_label = "app"
}
rule {
source_labels = [
"__meta_kubernetes_pod_label_app_kubernetes_io_component",
"__meta_kubernetes_pod_label_component",
]
regex = "^;*([^;]+)(;.*)?$"
target_label = "component"
}
rule {
source_labels = ["namespace", "app"]
separator = "/"
target_label = "job"
}
rule {
source_labels = ["job", "container"]
separator = ":"
target_label = "instance"
}
rule {
source_labels = ["__meta_kubernetes_pod_node_name"]
separator = ":"
target_label = "host"
}
}
// ============================================
// POD LOGS: SOURCE → PROCESS → WRITE
// ============================================
// Tail logs from Kubernetes pods
loki.source.kubernetes "pod_logs" {
// targets = discovery.kubernetes.pod_logs.targets
targets = discovery.relabel.pod_logs.output
forward_to = [loki.process.pod_logs.receiver]
}
// Add static labels and forward logs to Loki
loki.process "pod_logs" {
stage.static_labels {
values = {
cluster = env("CLUSTER_NAME"),
zone = env("ZONE"),
}
}
forward_to = [loki.write.loki_srv.receiver]
}
// ============================================
// KUBERNETES EVENTS
// ============================================
// Tail Kubernetes events and convert them to log entries
loki.source.kubernetes_events "cluster_events" {
job_name = "integrations/kubernetes/eventhandler"
log_format = "logfmt"
forward_to = [
loki.process.cluster_events.receiver,
]
}
// Add static labels and forward events to Loki
loki.process "cluster_events" {
forward_to = [loki.write.loki_srv.receiver]
stage.static_labels {
values = {
cluster = env("CLUSTER_NAME"),
host = "casa-kube",
job = "cluster_events",
zone = env("ZONE"),
}
}
// stage.labels {
// values = {
// kubernetes_cluster_events = "job",
// }
// }
}
extraEnv:
- name: NODE_NAME
valueFrom:
fieldRef:
fieldPath: spec.nodeName
- name: CLUSTER_NAME
value: casa
- name: ZONE
value: casa-vlan
- name: LOKI_URL
valueFrom:
secretKeyRef:
name: alloy-global
key: loki_url
@@ -2,12 +2,10 @@ apiVersion: kustomize.config.k8s.io/v1beta1
kind: Kustomization
namespace: monitoring
resources:
- helm-repo.yaml
- helm-release.yaml
secretGenerator:
- name: promtail-helm-values
- name: alloy-kube-scraper-helm-values
files:
- values.yaml=helm-values.yaml
- values.private.yaml=helm-values.private.yaml
generatorOptions:
disableNameSuffixHash: true
@@ -0,0 +1,9 @@
apiVersion: kustomize.config.k8s.io/v1beta1
kind: Kustomization
namespace: monitoring
resources:
- global
- node-scraper
- kube-scraper
generatorOptions:
disableNameSuffixHash: true
@@ -0,0 +1,24 @@
apiVersion: helm.toolkit.fluxcd.io/v2
kind: HelmRelease
metadata:
name: alloy-node-scraper
spec:
releaseName: alloy-node-scraper
interval: 1m
chart:
spec:
chart: alloy
version: 1.x.x
sourceRef:
kind: HelmRepository
name: grafana
interval: 40h
valuesFrom:
- kind: Secret
name: alloy-node-scraper-helm-values
valuesKey: values.yaml
@@ -0,0 +1,109 @@
controller:
nameOverride: "alloy-node-scrapper"
volumes:
extra:
# requires host journal configuration storage = volatile
- name: run-log-journal
hostPath:
path: /run/log/journal
# Log scrapers (e.g., Alloy/Loki) read this ID from the journal metadata and use it to separate log streams per machine.
- name: etc-machine-id
hostPath:
path: /etc/machine-id
alloy:
mounts:
varlog: true # Mounts /var/log from the host (persistent journal)
extra:
# requires host journal configuration storage = volatile
- name: run-log-journal
mountPath: /run/log/journal
readOnly: true
# required
- name: etc-machine-id
mountPath: /etc/machine-id
readOnly: true
# https://grafana.com/docs/alloy/latest/collect/logs-in-kubernetes/
configMap:
content: |
// ============================================
// LOKI WRITE TARGET
// ============================================
loki.write "loki_srv" {
endpoint {
url = env("LOKI_URL")
}
}
// ============================================
// HOST JOURNALD SOURCE
// ============================================
// Read journald logs from the host
loki.source.journal "journal" {
max_age = "24h"
relabel_rules = discovery.relabel.host_journal.rules
forward_to = [loki.process.host_journal.receiver]
}
// ============================================
// HOST JOURNALD RELABELING
// ============================================
// Convert journald metadata into Loki labels
discovery.relabel "host_journal" {
targets = []
// Systemd unit name
rule {
source_labels = ["__journal__systemd_unit"]
target_label = "systemd_unit"
}
// Transport type (stdout, syslog, kernel, audit, etc.)
rule {
source_labels = ["__journal__transport"]
target_label = "journal_transport"
}
// Priority (info, warning, error)
rule {
source_labels = ["__journal_priority_keyword"]
target_label = "level"
}
}
// ============================================
// HOST JOURNALD PROCESSING
// ============================================
// Add static labels and forward journald logs to Loki
loki.process "host_journal" {
stage.static_labels {
values = {
cluster = env("CLUSTER_NAME"),
host = env("NODE_NAME"),
zone = env("ZONE"),
job = "journald",
service_name = "journald",
}
}
forward_to = [loki.write.loki_srv.receiver]
}
extraEnv:
- name: NODE_NAME
valueFrom:
fieldRef:
fieldPath: spec.nodeName
- name: CLUSTER_NAME
value: casa
- name: ZONE
value: casa-vlan
- name: LOKI_URL
valueFrom:
secretKeyRef:
name: alloy-global
key: loki_url
@@ -0,0 +1,11 @@
apiVersion: kustomize.config.k8s.io/v1beta1
kind: Kustomization
namespace: monitoring
resources:
- helm-release.yaml
secretGenerator:
- name: alloy-node-scraper-helm-values
files:
- values.yaml=helm-values.yaml
generatorOptions:
disableNameSuffixHash: true
@@ -8,7 +8,7 @@ spec:
kind: GitRepository
name: casa
namespace: casa-limbosolutions-com
path: services/monitoring/deploy/promtail
path: services/monitoring/deploy/alloy
prune: true
decryption:
provider: sops
@@ -2,7 +2,7 @@ apiVersion: kustomize.config.k8s.io/v1beta1
kind: Kustomization
namespace: monitoring
resources:
- promtail-app-sync.yaml
- alloy-app-sync.yaml
- prometheus-app-sync.yaml
secretGenerator:
- name: flux-sops-age
@@ -1,7 +0,0 @@
apiVersion: source.toolkit.fluxcd.io/v1
kind: HelmRepository
metadata:
name: grafana-legacy
spec:
interval: 40h
url: https://grafana.github.io/helm-charts
@@ -1,18 +0,0 @@
config:
clients:
- url: ENC[AES256_GCM,data:AarLpmfJTu63kYzATeKf4m+60h93G5unSf2e8BplmCws7iVRzeFYGdvp14caaFZiZwWXe5rsdrMBQRc=,iv:Se74MvPyIP5xDcjrKBv3/X4G3G+Q9AYmdK/5t4yDuZc=,tag:A64ERrlrlCgf7PiQMT9WuQ==,type:str]
sops:
age:
- enc: |
-----BEGIN AGE ENCRYPTED FILE-----
YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSBYWjJxcitwdjR3QzQrSGVn
OVRFeTVrUGZMWlcycUREeWJWenpnVDVSbVJRClphakRuL2h2dEsvYWQ3VXJ4aHZL
YzQrU0FiRWttRUpmQkd5eVJFVVZBdVkKLS0tIDB3Y1FwQU5ndVlOQzNkZHA3V1Vl
bVpyTmhtUUhVTk9xZUFibHFyMVdqOEEKgoIrI9rJ1Q93AOZrP8r4rOggIGpSDv2H
uLp0yj1VqyyvtB/RHu4/Gyef2P5IwjTBnYYhZHbfX3AnYYWN58Riog==
-----END AGE ENCRYPTED FILE-----
recipient: age1f9e4pvp5y8gzuk8mz2s5xm85dd7znxhk56tcpuxqwn78qfjwja0qekwlju
encrypted_regex: ^(.*)$
lastmodified: "2026-06-07T21:04:02Z"
mac: ENC[AES256_GCM,data:Ieh41SbHtPqOIT2ynSEnz+qwaCsEDo9cZOk63AyuiMqsT0vR8TR94gimOKrMgQhjLpJPREYg0hXALgq7x6BxMfzts8n+eRuDsVxah8e17Ad4Gk9Vq9RtHYL06RO4EhevhzuzX32W8N1jt2wJTSDA4Ztjh1QIAAd7YyNnvYOATBo=,iv:eNzc4ObZ7lplIDPjF8Ub4Rfq3AiWLyOGwAdMLY7ojvo=,tag:87y5KNeAYASA/wDs4ETWmw==,type:str]
version: 3.13.1
@@ -1,52 +0,0 @@
config:
clients:
- url: "????" #replaced values.local.yaml. Example: https://lokiserver/loki/api/v1/push
# by default all scrap configs had node_name
snippets:
extraRelabelConfigs:
- target_label: host
replacement: ${HOSTNAME}
- target_label: cluster
replacement: casa
extraScrapeConfigs: |
#scrape config for syslog
- job_name: host-journald
journal:
json: true
max_age: 24h
path: /var/log/host/journal
labels:
job: journald
relabel_configs:
- source_labels: ['__journal__systemd_unit']
target_label: 'journal_systemd_unit'
- source_labels: ['__journal_syslog_identifier']
target_label: 'journal_syslog_identifier'
- source_labels: ['__journal__hostname']
target_label: 'journal_hostname'
- target_label: 'host'
replacement: '${HOSTNAME}'
- target_label: 'cluster'
replacement: 'casa'
extraArgs:
- --config.expand-env=true
extraVolumes:
- name: node-logs
hostPath:
path: /var/log
extraVolumeMounts:
- name: node-logs
mountPath: /var/log/host
readOnly: true
resources:
limits:
cpu: 200m
memory: 100Mi
requests:
cpu: 100m
memory: 50Mi