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clusters.go
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clusters.go
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package main
import (
"net"
"strconv"
"strings"
"time"
"github.com/360EntSecGroup-Skylar/excelize"
"github.com/tidwall/gjson"
)
func getNodeCount(apiurl string, token string) int {
nodeCount := 0
body, status := getRest(apiurl, token)
if status == 404 {
return 0
}
items := gjson.GetBytes(body, "items")
items.ForEach(func(key, value gjson.Result) bool {
nodeCount++
return true
})
return nodeCount
}
func getIngressIP(apiurl string) string {
temp := strings.Split(apiurl, ":")[1]
temp = strings.TrimPrefix(temp, "//")
temp = strings.Replace(temp, "api", "console-openshift-console.apps", 1)
ips, err := net.LookupHost(temp)
if err != nil {
return "NoHost"
}
return ips[0]
}
func getAvailableVersion(result gjson.Result) string {
if !result.Exists() {
return "UpToDate"
}
var sv string = "x.y.0"
result.ForEach(func(key, value gjson.Result) bool {
sx := gjson.Get(value.String(), `version`)
ix, _ := strconv.Atoi(strings.Split(sx.String(), ".")[2])
iv, _ := strconv.Atoi(strings.Split(sv, ".")[2])
if ix > iv {
sv = sx.String()
}
return true
})
return sv
}
func getInfraDetails(body []byte, i int) string {
provider := gjson.GetBytes(body, `status.platformStatus.type`).String()
var vars []gjson.Result
// https://docs.openshift.com/container-platform/4.6/rest_api/config_apis/infrastructure-config-openshift-io-v1.html
switch provider {
case "oVirt":
vars = gjson.GetManyBytes(body, `status.infrastructureName`, `status.platform`, `status.platformStatus.ovirt.apiServerInternalIP`,
`status.platformStatus.ovirt.ingressIP`, `status.platformStatus.ovirt.nodeDNSIP`)
case "VSphere":
vars = gjson.GetManyBytes(body, `status.infrastructureName`, `status.platform`, `status.platformStatus.vsphere.apiServerInternalIP`,
`status.platformStatus.vsphere.ingressIP`, `status.platformStatus.vsphere.nodeDNSIP`)
case "OpenStack":
vars = gjson.GetManyBytes(body, `status.infrastructureName`, `status.platform`, `status.platformStatus.openstack.apiServerInternalIP`,
`status.platformStatus.openstack.ingressIP`, `status.platformStatus.openstack.nodeDNSIP`)
case "BareMetal":
vars = gjson.GetManyBytes(body, `status.infrastructureName`, `status.platform`, `status.platformStatus.baremetal.apiServerInternalIP`,
`status.platformStatus.baremetal.ingressIP`, `status.platformStatus.baremetal.nodeDNSIP`)
// For AWS, GCP and Azure, IP related fields will appear empty. I'll add provider specific specs in future releases.
case "AWS":
vars = gjson.GetManyBytes(body, `status.infrastructureName`, `status.platform`, `status.platformStatus.aws.apiServerInternalIP`,
`status.platformStatus.aws.ingressIP`, `status.platformStatus.aws.nodeDNSIP`)
case "GCP":
vars = gjson.GetManyBytes(body, `status.infrastructureName`, `status.platform`, `status.platformStatus.gcp.apiServerInternalIP`,
`status.platformStatus.gcp.ingressIP`, `status.platformStatus.gcp.nodeDNSIP`)
case "Azure":
vars = gjson.GetManyBytes(body, `status.infrastructureName`, `status.platform`, `status.platformStatus.azure.apiServerInternalIP`,
`status.platformStatus.azure.ingressIP`, `status.platformStatus.azure.nodeDNSIP`)
default:
vars = gjson.GetManyBytes(body, `status.infrastructureName`, `status.platform`, `status.platformStatus.#.apiServerInternalIP`,
`status.platformStatus.#.ingressIP`, `status.platformStatus.#.nodeDNSIP`)
}
return vars[i].String()
}
func createClusterSheet() {
var csvHeader = []string{"Cluster", "APIServerURL", "Version", "InfraName", "Platform", "Channel", "Available", "#Nodes", "APIServerIP",
"IngressIP", "NodeDNSIP", "CNI", "Pod CIDR", "ServiceCIDR", "HostPrefix", "ClusterID"}
var csvData []interface{}
var startTime time.Time
var duration time.Duration
var xR int = 1
var sheetName string = "Clusters"
var apiurlVer, apiurlNod, apiurlNet, apiurlInf string
// Initialize Excel sheet
index := xf.NewSheet(sheetName)
xf.SetActiveSheet(index)
xf.SetSheetRow(sheetName, "A1", &csvHeader)
info.Printf("%s: Section started\n", sheetName)
startTime = time.Now()
for i := 0; i < len(cfg.Clusters); i++ {
if !cfg.Clusters[i].Enable {
continue
}
boolCheck, msg := checkClusterAPI(cfg.Clusters[i].BaseURL, cfg.Clusters[i].Token)
if !boolCheck {
erro.Printf("%s: %s: %s\n", sheetName, cfg.Clusters[i].Name, msg)
continue
}
apiurlVer = cfg.Clusters[i].BaseURL + "/apis/config.openshift.io/v1/clusterversions?limit=1000"
apiurlNod = cfg.Clusters[i].BaseURL + "/api/v1/nodes?limit=1000"
apiurlNet = cfg.Clusters[i].BaseURL + "/api/v1/namespaces/openshift-network-operator/configmaps/applied-cluster"
apiurlInf = cfg.Clusters[i].BaseURL + "/apis/config.openshift.io/v1/infrastructures/cluster"
rBody, _ := getRest(apiurlVer, cfg.Clusters[i].Token)
nBody, _ := getRest(apiurlNet, cfg.Clusters[i].Token)
iBody, _ := getRest(apiurlInf, cfg.Clusters[i].Token)
// Loop in list items and export data into Excel file
items := gjson.GetBytes(rBody, "items")
items.ForEach(func(key, value gjson.Result) bool {
vars := gjson.GetMany(value.String(), `spec.desiredUpdate.version`, `spec.channel`, `status.availableUpdates`, `spec.clusterID`)
data := gjson.GetBytes(nBody, "data.applied")
cfg.Clusters[i].Provider = getInfraDetails(iBody, 1)
if _, ok := testedOCPProviders[cfg.Clusters[i].Provider]; !ok {
warn.Printf(yellow(cfg.Clusters[i].Name, " -> OCinfo is not well tested for this provider (", cfg.Clusters[i].Provider,
"). You may expect empty values or inconsistent behaviors on provider specific fields"))
}
csvData = nil
csvData = append(csvData, cfg.Clusters[i].Name) // Cluster Name
csvData = append(csvData, cfg.Clusters[i].BaseURL) // API URL
csvData = append(csvData, vars[0].String()) // Cluster Version
csvData = append(csvData, getInfraDetails(iBody, 0)) // Infrastructure Name
csvData = append(csvData, cfg.Clusters[i].Provider) // Cloud Provider Name
csvData = append(csvData, vars[1].String()) // Cluster Update Channel
csvData = append(csvData, getAvailableVersion(vars[2])) // Available Updates
csvData = append(csvData, getNodeCount(apiurlNod, cfg.Clusters[i].Token)) // Number of Nodes
csvData = append(csvData, getInfraDetails(iBody, 2)) // API Server IP
csvData = append(csvData, getInfraDetails(iBody, 3)) // Default Ingress IP
csvData = append(csvData, getInfraDetails(iBody, 4)) // Node DNS IP
csvData = append(csvData, gjson.Get(data.String(), "defaultNetwork.type")) // CNI Type
csvData = append(csvData, gjson.Get(data.String(), "clusterNetwork.0.cidr")) // Pod CIDR
csvData = append(csvData, gjson.Get(data.String(), "serviceNetwork.0")) // Service CIDR
csvData = append(csvData, gjson.Get(data.String(), "clusterNetwork.0.hostPrefix")) // Host Prefix
csvData = append(csvData, vars[3].String()) // ClusterID
xR++
cell, _ := excelize.CoordinatesToCellName(1, xR)
xf.SetSheetRow(sheetName, cell, &csvData)
return true
})
}
formatTable(sheetName, len(csvHeader))
duration = time.Since(startTime)
info.Printf("%s: Section ended in %s\n", sheetName, duration)
}