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Use package hostlist to expand a host list

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This commit is contained in:
Holger Obermaier 2022-12-01 09:25:40 +01:00
parent a29f0c7e3b
commit 6f1f33f3a5
3 changed files with 24 additions and 20 deletions
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12
receivers.json
View File

@ -32,18 +32,14 @@
{
"username": "username-1",
"password": "password-1",
"endpoint": "ipmi-sensors://my-endpoint-1",
"host_list": [
"my-host-1"
]
"endpoint": "ipmi-sensors://%h-ipmi",
"host_list": "my-host-1-[1-2]"
},
{
"username": "username-2",
"password": "password-2",
"endpoint": "ipmi-sensors://my-endpoint-2",
"host_list": [
"my-host-2"
]
"endpoint": "ipmi-sensors://%h-ipmi",
"host_list": "my-host-2-[1,2]"
}
]
}

16
receivers/ipmiReceiver.go
View File

@ -15,6 +15,7 @@ import (
cclog "github.com/ClusterCockpit/cc-metric-collector/pkg/ccLogger"
lp "github.com/ClusterCockpit/cc-metric-collector/pkg/ccMetric"
"github.com/ClusterCockpit/cc-metric-collector/pkg/hostlist"
)
type IPMIReceiverClientConfig struct {
@ -321,7 +322,7 @@ func NewIPMIReceiver(name string, config json.RawMessage) (Receiver, error) {
ClientConfigs []struct {
Fanout int `json:"fanout,omitempty"` // Maximum number of simultaneous IPMI connections (default: 64)
DriverType string `json:"driver_type,omitempty"` // Out of band IPMI driver (default: LAN_2_0)
HostList []string `json:"host_list"` // List of hosts with the same client configuration
HostList string `json:"host_list"` // List of hosts with the same client configuration
Username *string `json:"username"` // User name to authenticate with
Password *string `json:"password"` // Password to use for authentication
Endpoint *string `json:"endpoint"` // URL of the IPMI service
@ -435,10 +436,17 @@ func NewIPMIReceiver(name string, config json.RawMessage) (Receiver, error) {
return nil, err
}
// Create mapping between ipmi hostname and node hostname
// This also guaranties that all ipmi hostnames are uniqu
// Create mapping between IPMI host name and node host name
// This also guaranties that all IPMI host names are unique
ipmi2HostMapping := make(map[string]string)
for _, host := range clientConfigJSON.HostList {
hostList, err := hostlist.Expand(clientConfigJSON.HostList)
if err != nil {
err := fmt.Errorf("client config number %d failed to parse host list %s: %v",
i, clientConfigJSON.HostList, err)
cclog.ComponentError(r.name, err)
return nil, err
}
for _, host := range hostList {
ipmiHost := strings.Replace(host_pattern, "%h", host, -1)
ipmi2HostMapping[ipmiHost] = host
}

4
receivers/ipmiReceiver.md
View File

@ -16,10 +16,10 @@ The IPMI Receiver uses `ipmi-sensors` from the [FreeIPMI](https://www.gnu.org/so
"exclude_metrics": [ "fan_speed", "voltage" ],
"client_config": [
{
"host_list": ["n1", "n2", "n3", "n4" ]
"host_list": "n[1,2-4]"
},
{
"host_list": [ "n5", "n6" ],
"host_list": "n[5-6]",
"driver_type": "LAN",
"cli_options": [ "--workaround-flags=..." ],
"password": "<Password 2>"