Containerpilot 配置文件示例
{
consul: "localhost:8500",
logging: {
level: "INFO",
format: "default",
output: "stdout"
},
jobs: [
{
name: "app",
exec: "/bin/app",
restarts: "unlimited",
port: 80,
when: {
// we want to start this job when the "setup" job has exited
// with success but give up after 60 sec
source: "setup",
once: "exitSuccess",
timeout: "60s"
},
health: {
exec: "/usr/bin/curl --fail -s -o /dev/null http://localhost/app",
interval: 5,
tll: 10,
timeout: "5s",
},
tags: [
"app",
"prod"
],
interfaces: [
"eth0",
"eth1[1]",
"192.168.0.0/16",
"2001:db8::/64",
"eth2:inet",
"eth2:inet6",
"inet",
"inet6",
"static:192.168.1.100", // a trailing comma isn't an error!
]
},
{
// we can create a chain of "setup" events by having
// jobs wait for other jobs to become healthy
name: "setup",
when: {
source: "consul-agent",
once: "healthy"
},
exec: "/usr/local/bin/preStart-script.sh",
restart: "never"
},
{
name: "preStop",
when: {
source: "app",
once: "stopping"
},
exec: "/usr/local/bin/preStop-script.sh",
restart: "never",
},
{
name: "postStop",
when: {
source: "app",
once: "stopped"
},
exec: "/usr/local/bin/postStop-script.sh",
},
{
// a service that doesn't have a "when" field starts up on the
// global "startup" event by default
name: "consul-agent",
// note we don't have a port here because we don't intend to
// advertise one to the service discovery backend
exec: "consul -agent -join consul",
restart: "always"
},
{
name: "consul-template",
exec: ["consul-template", "-consul", "consul",
"-template", "/tmp/template.ctmpl:/tmp/result"],
restart: "always",
},
{
name: "periodic-task1",
exec: "/usr/local/bin/task.sh arg1",
timeout: "100ms",
when: {
interval: "1500ms"
}
},
{
name: "reload-app",
when: {
source: "watch.app",
each: "changed"
},
exec: "/usr/local/bin/reload-app.sh",
timeout: "10s"
},
{
name: "reload-nginx",
when: {
source: "watch.nginx",
each: "changed"
},
exec: "/usr/local/bin/reload-nginx.sh",
timeout: "30s"
},
{
// this job will write metrics to our telemetry collector
name: "sensor",
exec: "/usr/local/bin/sensor.sh"
when: {
interval: "5s"
}
}
],
watches: {
{
name: "app",
interval: 10
},
{
name: "nginx",
interval: 30
}
},
control: {
socket: "/var/run/containerpilot.socket"
},
telemetry: {
port: 9090,
interfaces: "eth0"
metrics: [
{
name: "metric_id"
help: "help text"
type: "counter"
}
]
}
}
==========================================================================================
{
consul: '{{ if .CONSUL_AGENT }}localhost{{ else }}{{ .CONSUL | default "consul"}}{{ end }}:8500',
logging: {
level: '{{ .LOG_LEVEL | default "INFO" }}'
},
jobs: [
{
name: "preStart",
exec: "python /usr/local/bin/manage.py",
{{ if .CONSUL_AGENT }}when: {
source: "consul-agent",
once: "healthy"
}{{ end }}
},
{
name: '{{ .SERVICE_NAME | default "mysql" }}',
exec: [
"mysqld",
"--console",
"--log-bin=mysql-bin",
"--log_slave_updates=ON",
"--gtid-mode=ON",
"--enforce-gtid-consistency=ON"
],
port: 3306,
when: {
source: "preStart",
once: "exitSuccess"
},
health: {
exec: "python /usr/local/bin/manage.py health",
interval: 5,
ttl: 25
}
},
{
name: "onChange",
exec: "python /usr/local/bin/manage.py on_change",
when: {
source:'watch.{{ .SERVICE_NAME | default "mysql" }}-primary' ,
each: "changed"
}
},
{
name: "snapshot-check",
exec: "python /usr/local/bin/manage.py snapshot_task",
timeout: "10m",
when: {
interval: "5m"
},
},
{{ if .CONSUL_AGENT }}{
name: "consul-agent",
restarts: "unlimited",
exec: [
"/usr/local/bin/consul", "agent",
"-data-dir=/data",
"-config-dir=/config"
],
health: {
exec: 'consul join {{ .CONSUL | default "consul"}}',
interval: 5,
ttl: 10
}
}{{ end }}
],
watches: [
{
name: '{{ .SERVICE_NAME | default "mysql" }}-primary',
interval: 10
}
]
}
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