Upgrade consul-template and remove deprecated Grace field

[schmichael]

Nomad version

Nomad v0.10.2

Issue

Nomad uses a Vault.Grace field which has been removed from both Vault and consul-template.

Nomad should upgrade consul-template and remove our use of the field.

[kecorbin]

Running into issues trying to create a service mesh ingress using nginx as outlined here

The following template stanza's are failing to retrieve connect CA information as it appears they are not yet integrated into Nomad.

      template {
        data = <<EOF
{{range caRoots}}{{.RootCertPEM}}{{end}}
EOF

        destination   = "local/ca.crt"
        change_mode   = "signal"
        change_signal = "SIGHUP"
      }


      template {
        data = <<EOF
{{with caLeaf "ingress"}}{{.CertPEM}}{{end}}
EOF

        destination   = "local/cert.pem"
        change_mode   = "signal"
        change_signal = "SIGHUP"
      }

      template {
        data = <<EOF
{{with caLeaf "ingress"}}{{.PrivateKeyPEM}}{{end}}
EOF

        destination   = "local/cert.key"
        change_mode   = "signal"
        change_signal = "SIGHUP"
      }

Returns error message such as

Template failed: (dynamic): parse: template: :1: function "caRoots" not defined

[perbly]

Same issue here when trying to template connect services.

{{- range services }} {{- $service:=.Name}} {{- range .Tags }} {{- if eq . "external" }} {{- range connect $service }} {{- $service }} {{ .Name }} {{ .Address }}:{{ .Port }} {{ end -} {{end -}} {{end -}} {{end -}}

(dynamic): parse: template: :5: function "connect" not defined`

Works fine with consul-template alone.

[github-actions]

I'm going to lock this issue because it has been closed for 120 days ⏳. This helps our maintainers find and focus on the active issues.
If you have found a problem that seems similar to this, please open a new issue and complete the issue template so we can capture all the details necessary to investigate further.