Implement dynamic envs (#19)

Reviewed-on: https://git.badhouseplants.net/allanger/badhouseplants-net/pulls/19

.drone.yml

@@ -7,8 +7,6 @@ type: kubernetes
 name: Build badhouseplants.net
 
 trigger:
-  branch:
-    - main
   event:
   - push
 
@@ -29,15 +27,10 @@ steps:
   commands:
   - git submodule update --init --recursive
 
-- name: Get static content
-  image: rclone/rclone:latest
-  environment:
-    RCLONE_CONFIG_CONTENT:
-      from_secret: RCLONE_CONFIG_CONTENT
-    RCLONE_CONFIG: /tmp/rclone.conf
+- name: Test a build
+  image: git.badhouseplants.net/badhouseplants/hugo-builder
   commands:
-    - echo "$RCLONE_CONFIG_CONTENT" > $RCLONE_CONFIG
-    - rclone copy -P badhouseplants-public:/badhouseplants-static static
+    - hugo
 
 - name: Build and push the docker image 
   image: plugins/docker
@@ -47,10 +40,63 @@ steps:
     password: 
       from_secret: GITEA_TOKEN
     repo: git.badhouseplants.net/allanger/badhouseplants-net
-    tags: latest
-  depends_on:
-    - Init git submodules with themes
-    - Get static content
+    tags: ${DRONE_COMMIT_SHA}
+
+- name: Deploy a preview ApplicationSet
+  image: alpine/k8s:1.24.10
+  when: 
+    branch:
+      exclude:
+        - main
+  environment:
+    KUBECONFIG_CONTENT:
+      from_secret: KUBECONFIG_CONTENT
+  commands: 
+    - mkdir $HOME/.kube
+    - echo $KUBECONFIG_CONTENT | base64 -d > $HOME/.kube/config
+    - apk update --no-cache && apk add yq gettext
+    - export ARGO_APP_CHART_VERSION=`cat chart/Chart.yaml | yq '.version'`
+    - export ARGO_APP_BRANCH=$DRONE_BRANCH
+    - export ARGO_APP_HOSTNAME="${DRONE_BRANCH}-dev.badhouseplants.net"
+    - export ARGO_APP_IMAGE_TAG=$DRONE_COMMIT_SHA
+    - kubectl get -f ./kube/applicationset.yaml -o yaml  > /tmp/old_appset.yaml
+    - yq "del(.spec.generators[].list.elements[] | select(.name == \"$ARGO_APP_BRANCH\"))" /tmp/old_appset.yaml > /tmp/clean_appset.yaml
+    - envsubst  < ./kube/template.yaml > /tmp/elements.yaml
+    - yq '.spec.generators[].list.elements += load("/tmp/elements.yaml")' /tmp/clean_appset.yaml > /tmp/new_appset.yaml
+    - kubectl apply -f /tmp/new_appset.yaml
+
+- name: Deploy a main ApplicationSet
+  image: alpine/k8s:1.24.10
+  when: 
+    branch:
+      - main
+  environment:
+    KUBECONFIG_CONTENT:
+      from_secret: KUBECONFIG_CONTENT
+  commands: 
+    - mkdir $HOME/.kube
+    - echo $KUBECONFIG_CONTENT | base64 -d > $HOME/.kube/config
+    - apk update --no-cache && apk add yq gettext
+    - export ARGO_APP_CHART_VERSION=`cat chart/Chart.yaml | yq '.version'`
+    - export ARGO_APP_BRANCH=$DRONE_BRANCH
+    - export ARGO_APP_IMAGE_TAG=$DRONE_COMMIT_SHA
+    - kubectl get -f ./kube/applicationset.yaml -o yaml  > /tmp/old_appset.yaml
+    - yq "del(.spec.generators[].list.elements[] | select(.name == \"$ARGO_APP_BRANCH\"))" /tmp/old_appset.yaml > /tmp/clean_appset1.yaml
+    - yq "del(.spec.generators[].list.elements[] | select(.commit_sha == \"$ARGO_APP_IMAGE_TAG\"))" /tmp/clean_appset1.yaml > /tmp/clean_appset.yaml
+    - envsubst  < ./kube/template.yaml > /tmp/elements.yaml
+    - yq '.spec.generators[].list.elements += load("/tmp/elements.yaml")' /tmp/clean_appset.yaml > /tmp/new_appset.yaml
+    - kubectl apply -f /tmp/new_appset.yaml
+
+- name: Sync application 
+  image: argoproj/argocd
+  environment:
+    ARGOCD_SERVER: 
+      from_secret: ARGOCD_SERVER
+    ARGOCD_AUTH_TOKEN:
+      from_secret: ARGOCD_AUTH_TOKEN
+  commands:
+    - argocd app sync -l app=badhouseplants -l branch=$DRONE_BRANCH
+    - argocd app wait -l app=badhouseplants -l branch=$DRONE_BRANCH
 
 ---
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