feat: add kubernetes source

Dockerfile

@@ -29,6 +29,7 @@ COPY --from=builder /workspace/combi .
 RUN apt update && \
     apt install --yes openssh-client && \
     mkdir -p ~/.ssh && \
-    ssh-keyscan -H github.com >> ~/.ssh/known_hosts
+    ssh-keyscan -H github.com >> ~/.ssh/known_hosts && \
+    echo 'export SSH_KNOWN_HOSTS=~/.ssh/known_hosts' >> ~/.bashrc
 
 ENTRYPOINT ["/combi"]

docs/samples/v1alpha2/libconfig/combi.yaml

@@ -39,12 +39,17 @@ global:
 config:
   mergedConfig: ./docs/samples/v1alpha2/libconfig/merged.cnf
   source:
-    type: raw
+    type: kubernetes
     git:
       sshUrl: "git@github.com:freepik-company/combi.git"
       sshKeyFilepath: "/path/to/private_key"
       branch: "main"
       filepath: "docs/samples/v1alpha2/libconfig/source.cnf"
+    kubernetes:
+      kind: ConfigMap
+      namespace: default
+      name: source
+      key: config.cnf
     rawConfig: |
       datadir="/var/lib/proxysql"
 
@@ -55,40 +60,40 @@ config:
       }
 
   conditions:
-    mandatory: []
-    optional: []
-  #   mandatory:
-  #   - name: "search primitive value to check condition"
-  #     template: |
-  #       {{- $config := . -}}
-  #       {{- printf "%s" $config.int64field -}}
-  #     value: "500L"
-  #   - name: "search group value to check condition"
-  #     template: |
-  #       {{- $config := . -}}
-  #       {{- printf "%s" $config.mysql_variables.threads -}}
-  #     value: "2"
-  #   - name: "search list value to check condition"
-  #     template: |
-  #       {{- $config := . -}}
-  #         {{- range $i, $v := $config.mysql_servers -}}
-  #             {{- if (eq $v.hostgroup "0" ) -}}
-  #               {{- printf "%s" $v.max_connections -}}
-  #             {{- end -}}
-  #         {{- end -}}
-  #     value: "1000"
-  #   - name: "search env variable to check condition"
-  #     template: |
-  #       {{- printf "%s" (env "MANDATORY_ENV_VAR") -}}
-  #     value: "true"
-  #   optional:
-  #   - name: "print array values condition"
-  #     template: |
-  #       {{- $config := . -}}
-  #       {{- range $k, $v := $config.array_test -}}
-  #         [{{- printf "%v" $k -}}] => {{- printf "%v, " $v -}}
-  #       {{- end -}}
-  #     value: ""
+    # mandatory: []
+    mandatory:
+    - name: "search primitive value to check condition"
+      template: |
+        {{- $config := . -}}
+        {{- printf "%s" $config.int64field -}}
+      value: "500L"
+    - name: "search group value to check condition"
+      template: |
+        {{- $config := . -}}
+        {{- printf "%s" $config.mysql_variables.threads -}}
+      value: "2"
+    - name: "search list value to check condition"
+      template: |
+        {{- $config := . -}}
+          {{- range $i, $v := $config.mysql_servers -}}
+              {{- if (eq $v.hostgroup "0" ) -}}
+                {{- printf "%s" $v.max_connections -}}
+              {{- end -}}
+          {{- end -}}
+      value: "1000"
+    - name: "search env variable to check condition"
+      template: |
+        {{- printf "%s" (env "MANDATORY_ENV_VAR") -}}
+      value: "true"
+    # optional: []
+    optional:
+    - name: "print array values condition"
+      template: |
+        {{- $config := . -}}
+        {{- range $k, $v := $config.array_test -}}
+          [{{- printf "%v" $k -}}] => {{- printf "%v, " $v -}}
+        {{- end -}}
+      value: ""
 
   actions:
     onSuccess:

docs/samples/v1alpha2/libconfig/configmap-source.yaml

@@ -0,0 +1,13 @@
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: source
+data:
+  config.cnf: |
+    datadir="/var/lib/proxysql"
+
+    admin_variables=
+    {
+      admin_credentials="admin:admin;radmin:radmin"
+      mysql_ifaces="0.0.0.0:6032"
+    }

docs/samples/v1alpha2/libconfig/kustomization.yaml

@@ -0,0 +1,6 @@
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+
+resources:
+- secret-source.yaml
+- configmap-source.yaml

docs/samples/v1alpha2/libconfig/secret-source.yaml

@@ -0,0 +1,14 @@
+apiVersion: v1
+kind: Secret
+metadata:
+  name: source
+type: Opaque
+stringData:
+  config.cnf: |
+    datadir="/var/lib/proxysql"
+
+    admin_variables=
+    {
+      admin_credentials="admin:admin;radmin:radmin"
+      mysql_ifaces="0.0.0.0:6032"
+    }

go.mod

@@ -9,6 +9,8 @@ require (
 	github.com/go-git/go-git/v5 v5.12.0
 	github.com/spf13/cobra v1.8.0
 	gopkg.in/yaml.v3 v3.0.1
+	k8s.io/apimachinery v0.31.0
+	k8s.io/client-go v0.31.0
 	sigs.k8s.io/yaml v1.4.0
 )
 
@@ -22,27 +24,60 @@ require (
 	github.com/alecthomas/repr v0.4.0 // indirect
 	github.com/cloudflare/circl v1.3.7 // indirect
 	github.com/cyphar/filepath-securejoin v0.2.4 // indirect
+	github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc // indirect
+	github.com/emicklei/go-restful/v3 v3.11.0 // indirect
 	github.com/emirpasic/gods v1.18.1 // indirect
+	github.com/fxamacker/cbor/v2 v2.7.0 // indirect
 	github.com/go-git/gcfg v1.5.1-0.20230307220236-3a3c6141e376 // indirect
 	github.com/go-git/go-billy/v5 v5.5.0 // indirect
+	github.com/go-logr/logr v1.4.2 // indirect
+	github.com/go-openapi/jsonpointer v0.19.6 // indirect
+	github.com/go-openapi/jsonreference v0.20.2 // indirect
+	github.com/go-openapi/swag v0.22.4 // indirect
+	github.com/gogo/protobuf v1.3.2 // indirect
 	github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
+	github.com/golang/protobuf v1.5.4 // indirect
+	github.com/google/gnostic-models v0.6.8 // indirect
+	github.com/google/go-cmp v0.6.0 // indirect
+	github.com/google/gofuzz v1.2.0 // indirect
 	github.com/google/uuid v1.6.0 // indirect
 	github.com/huandu/xstrings v1.4.0 // indirect
 	github.com/imdario/mergo v0.3.16 // indirect
 	github.com/inconshreveable/mousetrap v1.1.0 // indirect
 	github.com/jbenet/go-context v0.0.0-20150711004518-d14ea06fba99 // indirect
+	github.com/josharian/intern v1.0.0 // indirect
+	github.com/json-iterator/go v1.1.12 // indirect
 	github.com/kevinburke/ssh_config v1.2.0 // indirect
+	github.com/mailru/easyjson v0.7.7 // indirect
 	github.com/mitchellh/copystructure v1.2.0 // indirect
 	github.com/mitchellh/reflectwalk v1.0.2 // indirect
+	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
+	github.com/modern-go/reflect2 v1.0.2 // indirect
+	github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
 	github.com/pjbgf/sha1cd v0.3.0 // indirect
 	github.com/sergi/go-diff v1.3.2-0.20230802210424-5b0b94c5c0d3 // indirect
 	github.com/skeema/knownhosts v1.2.2 // indirect
 	github.com/spf13/pflag v1.0.5 // indirect
+	github.com/x448/float16 v0.8.4 // indirect
 	github.com/xanzy/ssh-agent v0.3.3 // indirect
-	golang.org/x/crypto v0.23.0 // indirect
-	golang.org/x/mod v0.12.0 // indirect
-	golang.org/x/net v0.22.0 // indirect
-	golang.org/x/sys v0.20.0 // indirect
-	golang.org/x/tools v0.13.0 // indirect
+	golang.org/x/crypto v0.24.0 // indirect
+	golang.org/x/mod v0.17.0 // indirect
+	golang.org/x/net v0.26.0 // indirect
+	golang.org/x/oauth2 v0.21.0 // indirect
+	golang.org/x/sync v0.7.0 // indirect
+	golang.org/x/sys v0.21.0 // indirect
+	golang.org/x/term v0.21.0 // indirect
+	golang.org/x/text v0.16.0 // indirect
+	golang.org/x/time v0.3.0 // indirect
+	golang.org/x/tools v0.21.1-0.20240508182429-e35e4ccd0d2d // indirect
+	google.golang.org/protobuf v1.34.2 // indirect
+	gopkg.in/inf.v0 v0.9.1 // indirect
 	gopkg.in/warnings.v0 v0.1.2 // indirect
+	gopkg.in/yaml.v2 v2.4.0 // indirect
+	k8s.io/api v0.31.0 // indirect
+	k8s.io/klog/v2 v2.130.1 // indirect
+	k8s.io/kube-openapi v0.0.0-20240228011516-70dd3763d340 // indirect
+	k8s.io/utils v0.0.0-20240711033017-18e509b52bc8 // indirect
+	sigs.k8s.io/json v0.0.0-20221116044647-bc3834ca7abd // indirect
+	sigs.k8s.io/structured-merge-diff/v4 v4.4.1 // indirect
 )