Merge ~txiao/charm-telegraf:stable/22.08 into charm-telegraf:stable/22.08

[Tianqi Xiao]

Drop xenial support on the main development track

[Eric Chen (eric-chen)]

+1

review: Approve

diff --git a/charmcraft.yaml b/charmcraft.yaml
index 633dc6f..fc161bc 100644
--- a/charmcraft.yaml
+++ b/charmcraft.yaml
@@ -17,8 +17,4 @@ bases:
         - name: ubuntu
           channel: "18.04"
           architectures:
-              - amd64
-        - name: ubuntu
-          channel: "16.04"
-          architectures:
-              - amd64
+              - amd64
 \ No newline at end of file
diff --git a/src/metadata.yaml b/src/metadata.yaml
index bb9361d..ef18383 100644
--- a/src/metadata.yaml
+++ b/src/metadata.yaml
@@ -33,7 +33,6 @@ tags:
 series:
   - focal
   - bionic
-  - xenial
 subordinate: true
 requires:
   amqp:
diff --git a/src/tests/functional/tests/bundles/xenial-mysql.yaml b/src/tests/functional/tests/bundles/xenial-mysql.yaml
 deleted file mode 100644
index 8be660b..0000000
--- a/src/tests/functional/tests/bundles/xenial-mysql.yaml
+++ /dev/null
@@ -1,14 +0,0 @@
-series: xenial
-
-applications:
-  percona-cluster:
-    charm: ch:percona-cluster
-    num_units: 1
-  telegraf:
-    num_units: 0
-
-relations:
-  - - percona-cluster:juju-info
-    - telegraf:juju-info
-  - - percona-cluster:db-admin
-    - telegraf:mysql
diff --git a/src/tests/functional/tests/bundles/xenial-postgres.yaml b/src/tests/functional/tests/bundles/xenial-postgres.yaml
 deleted file mode 100644
index 8c5821f..0000000
--- a/src/tests/functional/tests/bundles/xenial-postgres.yaml
+++ /dev/null
@@ -1,19 +0,0 @@
-series: xenial
-
-applications:
-  postgresql:
-    charm: ch:postgresql
-    num_units: 2
-  telegraf:
-    num_units: 0
-  ubuntu:
-    charm: ch:ubuntu
-    num_units: 1
-
-relations:
-  - - postgresql:juju-info
-    - telegraf:juju-info
-  - - postgresql:db-admin
-    - telegraf:postgresql
-  - - ubuntu:juju-info
-    - telegraf:juju-info
diff --git a/src/tests/functional/tests/tests.yaml b/src/tests/functional/tests/tests.yaml
index 5e94132..294a526 100644
--- a/src/tests/functional/tests/tests.yaml
+++ b/src/tests/functional/tests/tests.yaml
@@ -7,8 +7,6 @@ gate_bundles:
   - base: focal-snap
   - compute: focal-compute
   - compute: bionic-compute
-  - base: xenial-mysql
-  - base: xenial-postgres
 smoke_bundles:
   - base: bionic-postgres
   - base: focal