8716 - K8s Proxy Charms

This commit contains the following changes:

- Changes to LCM Charm to configure vca k8s cloud
- K8s installation:
  - Add storageclass to K8s
  - Add k8s to VCA
  - Configure lcm.env to pass k8s cloud name
- Pass k8s cloud name to LCM Charm in charmed
installation
- Pin juju version tu 2.8/stable
- Instal juju after Microk8s in charmed
installation

Change-Id: I62ae50e4f226eba3bbda7c4a310cfe52591de5b4
Signed-off-by: Dominik Fleischmann <dominik.fleischmann@canonical.com>

diff --git a/installers/charm/lcm-k8s/config.yaml b/installers/charm/lcm-k8s/config.yaml
index c27377f..0455487 100644 (file)
--- a/installers/charm/lcm-k8s/config.yaml
+++ b/installers/charm/lcm-k8s/config.yaml
@@ -44,6 +44,10 @@ options:
     type: string
     description: "The VCA lxd cloud name"
     default: "localhost"
+  vca_k8s_cloud:
+    type: string
+    description: "The VCA K8s cloud name"
+    default: "k8scloud"
   advertised-hostname:
     description: LCM Hostname
     type: string

diff --git a/installers/charm/lcm-k8s/reactive/spec_template.yaml b/installers/charm/lcm-k8s/reactive/spec_template.yaml
index 1a27096..82a76e0 100644 (file)
--- a/installers/charm/lcm-k8s/reactive/spec_template.yaml
+++ b/installers/charm/lcm-k8s/reactive/spec_template.yaml
@@ -47,3 +47,4 @@ containers:
       OSMLCM_VCA_CACERT: %(vca_cacert)s
       OSMLCM_VCA_APIPROXY: %(vca_apiproxy)s
       OSMLCM_VCA_CLOUD: %(vca_cloud)s
+      OSMLCM_VCA_K8S_CLOUD: %(vca_k8s_cloud)s

diff --git a/installers/charmed_install.sh b/installers/charmed_install.sh
index 49bf277..d215608 100755 (executable)
--- a/installers/charmed_install.sh
+++ b/installers/charmed_install.sh
@@ -35,8 +35,8 @@ function check_arguments(){
     # echo $BUNDLE $KUBECONFIG $LXDENDPOINT
 }
 function install_snaps(){
-    sudo snap install juju --classic --channel=2.7/stable
     [ ! -v KUBECFG ] && sudo snap install microk8s --classic && sudo usermod -a -G microk8s `whoami` && mkdir -p ~/.kube && sudo chown -f -R `whoami` ~/.kube
+    sudo snap install juju --classic --channel=2.8/stable
 }
 
 function bootstrap_k8s_lxd(){
@@ -118,6 +118,7 @@ EOF
     juju add-credential -c $CONTROLLER_NAME lxd-cloud -f $LXD_CREDENTIALS
     sg lxd -c "lxd waitready"
     juju add-model test lxd-cloud || true
+    juju controller-config features=[k8s-operators]
 }
 
 function deploy_charmed_osm(){
@@ -191,6 +192,7 @@ applications:
       vca_cacert: $vca_cacert
       vca_apiproxy: $vca_apiproxy
       vca_cloud: $vca_cloud
+      vca_k8s_cloud: $K8S_CLOUD_NAME
   mon-k8s:
     options:
       vca_user: $vca_user

diff --git a/installers/full_install_osm.sh b/installers/full_install_osm.sh
index 15cd1f3..243b0cc 100755 (executable)
--- a/installers/full_install_osm.sh
+++ b/installers/full_install_osm.sh
@@ -412,7 +412,7 @@ function install_docker_compose() {
 
 function install_juju() {
     echo "Installing juju"
-    sudo snap install juju --classic --channel=2.7/stable
+    sudo snap install juju --classic --channel=2.8/stable
     [[ ":$PATH": != *":/snap/bin:"* ]] && PATH="/snap/bin:${PATH}"
     echo "Finished installation of juju"
     return 0
@@ -425,6 +425,11 @@ function juju_createcontroller() {
         sg lxd -c "juju bootstrap --bootstrap-series=xenial $OSM_VCA_CLOUDNAME $OSM_STACK_NAME"
     fi
     [ $(juju controllers | awk "/^${OSM_STACK_NAME}[\*| ]/{print $1}"|wc -l) -eq 1 ] || FATAL "Juju installation failed"
+
+    if [ -n "$KUBERNETES" ]; then
+        cat .kube/config | juju add-k8s $OSM_VCA_K8S_CLOUDNAME --controller $OSM_STACK_NAME
+    fi
+    juju controller-config features=[k8s-operators]
 }
 
 function juju_createproxy() {
@@ -664,6 +669,12 @@ function generate_docker_env_files() {
         $WORKDIR_SUDO sed -i "s|OSMLCM_VCA_CLOUD.*|OSMLCM_VCA_CLOUD=${OSM_VCA_CLOUDNAME}|g" $OSM_DOCKER_WORK_DIR/lcm.env
     fi
 
+    if ! grep -Fq "OSMLCM_VCA_K8S_CLOUD" $OSM_DOCKER_WORK_DIR/lcm.env; then
+        echo "OSMLCM_VCA_K8S_CLOUD=${OSM_VCA_K8S_CLOUDNAME}" | $WORKDIR_SUDO tee -a $OSM_DOCKER_WORK_DIR/lcm.env
+    else
+        $WORKDIR_SUDO sed -i "s|OSMLCM_VCA_K8S_CLOUD.*|OSMLCM_VCA_K8S_CLOUD=${OSM_VCA_K8S_CLOUDNAME}|g" $OSM_DOCKER_WORK_DIR/lcm.env
+    fi
+
     # RO
     MYSQL_ROOT_PASSWORD=$(generate_secret)
     if [ ! -f $OSM_DOCKER_WORK_DIR/ro-db.env ]; then
@@ -765,6 +776,11 @@ function kube_config_dir() {
     sudo chown $(id -u):$(id -g) $HOME/.kube/config
 }
 
+function install_k8s_storageclass() {
+    kubectl apply -f https://openebs.github.io/charts/openebs-operator-1.6.0.yaml
+    kubectl patch storageclass openebs-hostpath -p '{"metadata": {"annotations":{"storageclass.kubernetes.io/is-default-class":"true"}}}'
+}
+
 #deploys flannel as daemonsets
 function deploy_cni_provider() {
     CNI_DIR="$(mktemp -d -q --tmpdir "flannel.XXXXXX")"
@@ -1121,6 +1137,7 @@ EOF
         track install_k8s
         init_kubeadm $OSM_DOCKER_WORK_DIR/cluster-config.yaml
         kube_config_dir
+       install_k8s_storage_class
         track init_k8s
     else
         #install_docker_compose
@@ -1347,6 +1364,7 @@ OSM_VCA_HOST=
 OSM_VCA_SECRET=
 OSM_VCA_PUBKEY=
 OSM_VCA_CLOUDNAME="localhost"
+OSM_VCA_K8S_CLOUDNAME="k8scloud"
 OSM_STACK_NAME=osm
 NO_HOST_PORTS=""
 DOCKER_NOBUILD=""