Integration w/ Drydock bootactions

- Add Values.conf.curtin.override switch for enabling/disable whether
  the default curtin_userdata is overwritten
- Update the customized template for curtin_userdata to be compatible
  with the Drydock boot action system

Change-Id: I90c317725dfdd34a756e90425c9c3fcfcc6911db

charts/maas/templates/configmap-etc.yaml

@@ -33,17 +33,7 @@ metadata:
   name: maas-etc
 data:
   curtin_userdata: |+
-{{ if .Values.conf.curtin.override -}}
-{{ .Values.conf.curtin.override | indent 4 }}
-{{- else -}}
-{{- if .Values.conf.curtin.prefix -}}
-{{ .Values.conf.curtin.prefix | indent 4 }}
-{{- end }}
 {{ tuple "etc/_curtin_userdata.tpl" . | include "helm-toolkit.utils.template" | indent 4 }}
-{{- end }}
-{{- if .Values.conf.curtin.append -}}
-{{ .Values.conf.curtin.append | indent 4 }}
-{{- end }}
   named.conf.options: |+
 {{ if .Values.conf.bind.override -}}
 {{ .Values.conf.bind.override | indent 4 }}

charts/maas/templates/etc/_curtin_userdata.tpl

@@ -24,17 +24,31 @@ early_commands:
   driver_00: ["sh", "-c", "echo third party drivers not installed or necessary."]
 {{ "{{" }}endif{{ "}}" }}
 late_commands:
-  {{ "{{" }}py: bootdata_url = ''.join([{{ .Values.bootdata_url | quote }},node.hostname,"/promconfig"]){{ "}}" }}
-  {{ "{{" }}py: promsvc_url = ''.join([{{ .Values.bootdata_url | quote }},node.hostname,"/promservice"]){{ "}}" }}
-  {{ "{{" }}py: vfsvc_url = ''.join([{{ .Values.bootdata_url | quote }},node.hostname,"/vfservice"]){{ "}}" }}
-  {{ "{{" }}py: prominit_url = ''.join([{{ .Values.bootdata_url | quote }},node.hostname,"/prominit"]){{ "}}" }}
-  drydock_01: ["curtin", "in-target","--", "wget", "--no-proxy", "{{ "{{" }}bootdata_url{{ "}}" }}", "-O", "/etc/prom_init.yaml"]
-  drydock_02: ["curtin", "in-target","--", "wget", "--no-proxy", "{{ "{{" }}prominit_url{{ "}}" }}", "-O", "/var/tmp/prom_init.sh"]
-  drydock_03: ["curtin", "in-target","--", "chmod", "555", "/var/tmp/prom_init.sh"]
-  drydock_04: ["curtin", "in-target","--", "wget", "--no-proxy", "{{ "{{" }}promsvc_url{{ "}}" }}", "-O", "/lib/systemd/system/prom_init.service"]
-  drydock_05: ["curtin", "in-target","--", "systemctl", "enable", "prom_init.service"]
-  drydock_06: ["curtin", "in-target","--", "wget", "--no-proxy", "{{ "{{" }}vfsvc_url{{ "}}" }}", "-O", "/lib/systemd/system/drydock_vf.service"]
-  drydock_07: ["curtin", "in-target","--", "systemctl", "enable", "drydock_vf.service"]
+{{ "{{" }}py:
+def find_ba_key(n):
+    tag_prefix = "%s_baid" % n.hostname
+    for t in n.tag_names():
+        if t.startswith(tag_prefix):
+            prefix, ba_key = t.split('-')
+            return ba_key
+    return False
+{{ "}}" }}
+{{ "{{" }}py: ba_key = find_ba_key(node){{ "}}" }}
+{{ "{{" }}py: ba_units_url = ''.join([{{ .Values.conf.drydock.bootaction_url | quote }},node.hostname,'/units']){{ "}}" }}
+{{ "{{" }}py: ba_files_url = ''.join([{{ .Values.conf.drydock.bootaction_url | quote }},node.hostname,'/files']){{ "}}" }}
+{{ "{{" }}if ba_key{{ "}}" }}
+  drydock_00: ["sh", "-c", "echo Installing Drydock Boot Actions."]
+  drydock_01: ["curtin", "in-target", "--", "wget", "--no-proxy", "--header=X-Bootaction-Key: {{ "{{" }}ba_key{{ "}}" }}", "{{ "{{" }}ba_units_url{{ "}}" }}", "-O", "/tmp/bootaction-units.tar.gz"]
+  drydock_02: ["curtin", "in-target", "--", "wget", "--no-proxy", "--header=X-Bootaction-Key: {{ "{{" }}ba_key{{ "}}" }}", "{{ "{{" }}ba_files_url{{ "}}" }}", "-O", "/tmp/bootaction-files.tar.gz"]
+  drydock_03: ["curtin", "in-target", "--", "sh", "-c", "tar --owner=root -xPzvf /tmp/bootaction-units.tar.gz > /tmp/bootaction-unit-names.txt"]
+  drydock_04: ["curtin", "in-target", "--", "sh", "-c", "tar --owner=root -xPzvf /tmp/bootaction-files.tar.gz > /tmp/bootaction-file-names.txt"]
+  drydock_05: ["curtin", "in-target", "--", "sh", "-c", "xargs -a /tmp/bootaction-unit-names.txt -n 1 basename > /tmp/bootaction-unit-basenames.txt"]
+  drydock_06: ["curtin", "in-target", "--", "sh", "-c", "xargs -a /tmp/bootaction-unit-basenames.txt -n 1 systemctl enable"]
+  drydock_07: ["sh", "-c", "echo Following SystemD units installed and enabled:"]
+  drydock_08: ["curtin", "in-target", "--", "cat", "/tmp/bootaction-unit-basenames.txt"]
+  drydock_09: ["sh", "-c", "echo Following files installed on deployed node:"]
+  drydock_10: ["curtin", "in-target", "--", "cat", "/tmp/bootaction-file-names.txt"]
+{{ "{{" }}}endif{{ "}}" }}
   maas: [wget, '--no-proxy', {{ "{{" }}node_disable_pxe_url|escape.json{{ "}}" }}, '--post-data', {{ "{{" }}node_disable_pxe_data|escape.json{{ "}}" }}, '-O', '/dev/null']
 {{ "{{" }}if third_party_drivers and driver{{ "}}" }}
   {{ "{{" }}if driver['key_binary'] and driver['repository'] and driver['package']{{ "}}" }}
@@ -50,4 +64,6 @@ late_commands:
   {{ "{{" }}endif{{ "}}" }}
   driver_06_depmod: ["curtin", "in-target", "--", "depmod"]
   driver_07_update_initramfs: ["curtin", "in-target", "--", "update-initramfs", "-u"]
-{{ "{{" }}endif{{ "}}" }}
+{{ "{{" }}endif{{ "}}" }}
+showtrace: true
+verbosity: 2

charts/maas/templates/statefulset-region.yaml

@@ -66,10 +66,12 @@ spec:
           mountPath: /etc/maas/regiond.conf
           subPath: regiond.conf
           readOnly: true
+{{- if .Values.conf.curtin.override }}
         - name: maas-etc
           mountPath: /etc/maas/preseeds/curtin_userdata
           subPath: curtin_userdata
           readOnly: true
+{{- end }}
         - name: maas-bin
           mountPath: /tmp/start.sh
           subPath: start.sh

charts/maas/values.yaml

@@ -110,8 +110,9 @@ conf:
     override:
     append:
   curtin:
-    override:
-    append:
+    override: true
+  drydock:
+    bootaction_url: null
   maas:
     override:
     append: