[COMMON] Make certInitializer share truststore among instances

Truststore is quite heavy. If it is included several times in the
component it can easily cross helm chart size limit.

To fix this issue let's make sure that the truststore is created only
once and then shared among all certInitializer instances.

Issue-ID: AAF-1134
Change-Id: I546a88fea3fe869748194682e7dcf3ad566282ab
Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>

7 files changed, 63 insertions, 3 deletions

diff --git a/kubernetes/common/Makefile b/kubernetes/common/Makefile
index 58125f8506..817a2e24bc 100644
--- a/kubernetes/common/Makefile
+++ b/kubernetes/common/Makefile
@@ -20,12 +20,14 @@ SECRET_DIR := $(OUTPUT_DIR)/secrets
 COMMON_CHARTS_DIR := common
 
 EXCLUDES :=
+PROCESSED_LAST := cert-wrapper
+TO_FILTER := $(EXCLUDES) $(PROCESSED_LAST)
 
 HELM_BIN := helm
-HELM_CHARTS := $(filter-out $(EXCLUDES), $(sort $(patsubst %/.,%,$(wildcard */.))))
+HELM_CHARTS := $(filter-out $(TO_FILTER), $(sort $(patsubst %/.,%,$(wildcard */.)))) $(PROCESSED_LAST)
 HELM_VER := $(shell $(HELM_BIN) version --template "{{.Version}}")
 
-.PHONY: $(EXCLUDES) $(HELM_CHARTS)
+.PHONY: $(HELM_CHARTS) $(TO_FILTER)
 
 all: $(COMMON_CHARTS_DIR) $(HELM_CHARTS)
 
diff --git a/kubernetes/common/cert-wrapper/Chart.yaml b/kubernetes/common/cert-wrapper/Chart.yaml
new file mode 100644
index 0000000000..68d5400743
--- /dev/null
+++ b/kubernetes/common/cert-wrapper/Chart.yaml
@@ -0,0 +1,18 @@
+# Copyright © 2020 Samsung Electronics
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+apiVersion: v1
+description: Wrapper chart to allow truststore to be shared among cert-initializer instances
+name: cert-wrapper
+version: 6.0.0
diff --git a/kubernetes/common/cert-wrapper/requirements.yaml b/kubernetes/common/cert-wrapper/requirements.yaml
new file mode 100644
index 0000000000..b6a667e448
--- /dev/null
+++ b/kubernetes/common/cert-wrapper/requirements.yaml
@@ -0,0 +1,18 @@
+# Copyright © 2020 Samsung Electronics
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+dependencies:
+  - name: certInitializer
+    version: ~6.x-0
+    repository: 'file://../certInitializer'
diff --git a/kubernetes/common/cert-wrapper/values.yaml b/kubernetes/common/cert-wrapper/values.yaml
new file mode 100644
index 0000000000..fcece0e3f5
--- /dev/null
+++ b/kubernetes/common/cert-wrapper/values.yaml
@@ -0,0 +1,17 @@
+# Copyright © 2020 Samsung Electronics
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+certInitializer:
+  nameOverride: cert-initializer
+  createCertsCM: true
diff --git a/kubernetes/common/certInitializer/templates/_certInitializer.yaml b/kubernetes/common/certInitializer/templates/_certInitializer.yaml
index 6734e0be81..800364f1a2 100644
--- a/kubernetes/common/certInitializer/templates/_certInitializer.yaml
+++ b/kubernetes/common/certInitializer/templates/_certInitializer.yaml
@@ -172,7 +172,7 @@
     medium: Memory
 - name: aaf-agent-certs
   configMap:
-    name: {{ include "common.fullname" $subchartDot }}-certs
+    name: {{ tpl $subchartDot.Values.certsCMName $subchartDot }}
     defaultMode: 0700
 
 {{-     if $initRoot.aaf_add_config }}
diff --git a/kubernetes/common/certInitializer/templates/configmap.yaml b/kubernetes/common/certInitializer/templates/configmap.yaml
index a89a33152b..69d74e1ca7 100644
--- a/kubernetes/common/certInitializer/templates/configmap.yaml
+++ b/kubernetes/common/certInitializer/templates/configmap.yaml
@@ -23,6 +23,7 @@ data:
   aaf-add-config.sh: |
     {{ tpl .Values.aaf_add_config . | indent 4 }}
 {{- end }}
+{{- if .Values.createCertsCM }}
 ---
 apiVersion: v1
 kind: ConfigMap
@@ -30,3 +31,4 @@ kind: ConfigMap
 metadata: {{- include "common.resourceMetadata" (dict "suffix" $suffix "dot" . ) | nindent 2 }}
 data:
 {{ tpl (.Files.Glob "resources/*").AsConfig . | indent 2 }}
+{{- end -}}
diff --git a/kubernetes/common/certInitializer/values.yaml b/kubernetes/common/certInitializer/values.yaml
index 642fe7799b..00e74c46d6 100644
--- a/kubernetes/common/certInitializer/values.yaml
+++ b/kubernetes/common/certInitializer/values.yaml
@@ -56,3 +56,6 @@ importCustomCertsEnabled: false
 truststoreMountpath: ""
 truststoreOutputFileName: truststore.jks
 truststorePassword: changeit
+
+createCertsCM: false
+certsCMName: '{{ include "common.release" . }}-cert-initializer-certs'