Drop ssh public key handling from SRLinux nodes

Author: proelbtn

nodes/srl/srl.go

@@ -22,7 +22,6 @@ import (
 	"github.com/hairyhenderson/gomplate/v3/data"
 	"github.com/pkg/errors"
 	log "github.com/sirupsen/logrus"
-	"golang.org/x/crypto/ssh"
 
 	"github.com/srl-labs/containerlab/cert"
 	"github.com/srl-labs/containerlab/clab/exec"
@@ -132,8 +131,6 @@ type srl struct {
 	// to generate certificates
 	cert         *cert.Cert
 	topologyName string
-	// SSH public keys extracted from the clab host
-	sshPubKeys []ssh.PublicKey
 	// software version SR Linux node runs
 	swVersion *SrlVersion
 }
@@ -235,9 +232,6 @@ func (s *srl) PreDeploy(_ context.Context, params *nodes.PreDeployParams) error
 		}
 	}
 
-	// store provided pubkeys
-	s.sshPubKeys = params.SSHPubKeys
-
 	// store the certificate-related parameters
 	// for cert generation to happen in Post-Deploy phase with mgmt IPs as SANs
 	s.cert = params.Cert
@@ -516,7 +510,6 @@ type srlTemplateData struct {
 	TLSAnchor  string
 	Banner     string
 	IFaces     map[string]tplIFace
-	SSHPubKeys string
 	MgmtMTU    int
 	MgmtIPMTU  int
 	DNSServers []string

nodes/srl/srl_default_config.go.tpl

@@ -56,10 +56,6 @@ set / interface ethernet-{{ $ep.Slot }}/{{ $ep.Port }}/{{ $ep.BreakoutNo }} admi
   {{- end }}
 
 {{ end -}}
-{{- if .SSHPubKeys }}
-set / system aaa authentication linuxadmin-user ssh-key [ {{ .SSHPubKeys }} ]
-set / system aaa authentication admin-user ssh-key [ {{ .SSHPubKeys }} ]
-{{- end }}
 set / system banner login-banner "{{ .Banner }}"
 
 {{- if .EnableCustomPrompt }}

nodes/srl/sshkey.go

@@ -160,12 +160,6 @@ func (n *srl) setVersionSpecificParams(tplData *srlTemplateData) {
 	// v is in the vMajor.Minor format
 	v := n.swVersion.MajorMinorSemverString()
 
-	// in srlinux >= v23.10+ linuxadmin and admin user ssh keys can only be configured via the cli
-	// so we add the keys to the template data for rendering.
-	if len(n.sshPubKeys) > 0 && (semver.Compare(v, "v23.10") >= 0 || n.swVersion.Major == "0") {
-		tplData.SSHPubKeys = catenateKeys(n.sshPubKeys)
-	}
-
 	// in srlinux >= v24.3+ we add ACL rules to enable http and telnet access
 	// that are useful for labs and were removed as a security hardening measure.
 	if semver.Compare(v, "v24.3") >= 0 || n.swVersion.Major == "0" {