prometheus-pve-sd/prometheuspvesd/model.py

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2021-06-09 18:44:10 +00:00
#!/usr/bin/env python3
"""Prometheus SD object models."""
class Host:
"""Represents a virtual machine or container in PVE."""
def __init__(self, vmid, hostname, ip_address, pve_type):
self.hostname = hostname
self.ip_address = ip_address
self.vmid = vmid
self.pve_type = pve_type
self.labels = {}
self.labels["__meta_pve_ip"] = ip_address
self.labels["__meta_pve_name"] = hostname
self.labels["__meta_pve_type"] = pve_type
self.labels["__meta_pve_vmid"] = str(vmid)
def __str__(self):
return f"{self.hostname}({self.vmid}): {self.pve_type} {self.ip_address}"
def add_label(self, key, value):
key = key.replace("-", "_").replace(" ", "_")
self.labels[f"__meta_pve_{key}"] = str(value)
def to_sd_json(self):
return {"targets": [self.hostname], "labels": self.labels}
class HostList:
"""Collection of host objects."""
def __init__(self):
self.hosts = []
def clear(self):
self.hosts = []
def add_host(self, host: Host):
if not self.host_exists(host):
self.hosts.append(host)
def host_exists(self, host: Host):
"""Check if a host is already in the list by id and type."""
for current in self.hosts:
if current.pve_type == host.pve_type and current.vmid == host.vmid:
return True
return False