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Scrape meterics from system process on each node

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This commit is contained in:
Alex 2022-02-26 20:31:57 +01:00
parent bd2abf3449
commit 7dcb4072dc
Signed by untrusted user: lx
GPG key ID: 0E496D15096376BE
4 changed files with 121 additions and 65 deletions
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4
app/telemetry/config/otel-config.yaml
View file

@ -14,9 +14,7 @@ receivers:
scrape_interval: 5s
static_configs:
- targets:
- "10.42.2.21:3909"
- "10.42.2.22:3909"
- "10.42.2.23:3909"
- "localhost:3909"
exporters:
logging:

59
app/telemetry/deploy/telemetry-system.hcl
View file

@ -57,5 +57,64 @@ EOH
}
}
}
group "collector" {
network {
port "otel_grpc" {
static = 4317
}
port "apm" {
static = 8200
}
}
task "otel" {
driver = "docker"
config {
image = "otel/opentelemetry-collector-contrib:0.44.0"
args = [
"--config=/etc/otel-config.yaml",
]
network_mode = "host"
ports= [ "otel_grpc" ]
volumes = [
"secrets/otel-config.yaml:/etc/otel-config.yaml"
]
}
template {
data = file("../config/otel-config.yaml")
destination = "secrets/otel-config.yaml"
}
resources {
memory = 200
cpu = 100
}
}
task "apm" {
driver = "docker"
config {
image = "docker.elastic.co/apm/apm-server:7.17.0"
network_mode = "host"
ports = [ "apm" ]
args = [ "--strict.perms=false" ]
volumes = [
"secrets/apm-config.yaml:/usr/share/apm-server/apm-server.yml:ro"
]
}
template {
data = file("../config/apm-config.yaml")
destination = "secrets/apm-config.yaml"
}
resources {
memory = 200
cpu = 100
}
}
}
}

97
app/telemetry/deploy/telemetry.hcl
View file

@ -2,53 +2,13 @@ job "telemetry" {
datacenters = ["neptune"]
type = "service"
group "grafana" {
group "kibana" {
count = 1
constraint {
attribute = "${attr.unique.hostname}"
operator = "="
value = "carcajou"
}
network {
port "otel_grpc" {
static = 4317
}
port "kibana" {
static = 5601
}
port "apm" {
static = 8200
}
port "grafana" {
static = 3333
}
}
task "otel" {
driver = "docker"
config {
image = "otel/opentelemetry-collector-contrib:0.44.0"
args = [
"--config=/etc/otel-config.yaml",
]
network_mode = "host"
ports= [ "otel_grpc" ]
volumes = [
"secrets/otel-config.yaml:/etc/otel-config.yaml"
]
}
template {
data = file("../config/otel-config.yaml")
destination = "secrets/otel-config.yaml"
}
resources {
memory = 200
cpu = 100
}
}
task "kibana" {
@ -74,28 +34,43 @@ EOH
memory = 1500
cpu = 500
}
service {
tags = [
"kibana",
"tricot kibana.home.adnab.me",
]
port = 5601
address_mode = "driver"
name = "kibana"
check {
type = "tcp"
port = 5601
address_mode = "driver"
interval = "60s"
timeout = "5s"
check_restart {
limit = 3
grace = "90s"
ignore_warnings = false
}
}
}
}
}
group "grafana" {
count = 1
constraint {
attribute = "${attr.unique.hostname}"
operator = "="
value = "carcajou"
}
task "apm" {
driver = "docker"
config {
image = "docker.elastic.co/apm/apm-server:7.17.0"
network_mode = "host"
ports = [ "apm" ]
args = [ "--strict.perms=false" ]
volumes = [
"secrets/apm-config.yaml:/usr/share/apm-server/apm-server.yml:ro"
]
}
template {
data = file("../config/apm-config.yaml")
destination = "secrets/apm-config.yaml"
}
resources {
memory = 200
cpu = 100
network {
port "grafana" {
static = 3333
}
}

24
doc/telemetry.md
View file

@ -1,3 +1,27 @@
# create elasticsearch folders on all nodes
```bash
mkdir -p /mnt/ssd/telemetry/es_data/nodes
chown 1000 /mnt/ssd/telemetry/es_data/nodes
```
# generate ca and tls certs for elasticsearch cluster
start a `bash` in an elasticsearch image, such as `docker.elastic.co/elasticsearch/elasticsearch:7.17.0`: `docker run -ti docker.elastic.co/elasticsearch/elasticsearch:7.17.0 bash`
generate a ca and node certs:
```bash
./bin/elasticsearch-certutil ca
./bin/elasticsearch-certutil cert --ca elastic-stack-ca.p12
```
copy `elastic-certificates.p12` to `/mnt/ssd/telemetry/es_data` in all nodes, and chown it:
```bash
chown 1000 /mnt/ssd/telemetry/es_data/elastic-certificates.p12
```
# create elasticsearch passwords
in elasticsearch container