feat: etcd collector (#1589)

* new schema for etcd collector

* add placeholder

* wip

* get supported distribution

* add exec implementation

* wait for etcd pod to be ready

* misc

* update k0s etcd certs path

* fix unit tests

* address code reviews

* update from code review

* add etcdctl version

Author: nvanthao

Makefile

@@ -114,6 +114,10 @@ bin/analyze:
 bin/collect:
 	go build ${BUILDFLAGS} ${LDFLAGS} -o bin/collect github.com/replicatedhq/troubleshoot/cmd/collect
 
+build-linux: tidy
+	@echo "Build cli binaries for Linux"
+	GOOS=linux GOARCH=amd64 $(MAKE) -j bin/support-bundle bin/preflight bin/analyze bin/collect
+
 .PHONY: fmt
 fmt:
 	go fmt ${BUILDPATHS}

config/crds/troubleshoot.sh_collectors.yaml

@@ -301,6 +301,17 @@ spec:
                         timeout:
                           type: string
                       type: object
+                    etcd:
+                      properties:
+                        collectorName:
+                          type: string
+                        exclude:
+                          type: BoolString
+                        image:
+                          type: string
+                      required:
+                      - image
+                      type: object
                     exec:
                       properties:
                         args:

config/crds/troubleshoot.sh_preflights.yaml

@@ -2030,6 +2030,17 @@ spec:
                         timeout:
                           type: string
                       type: object
+                    etcd:
+                      properties:
+                        collectorName:
+                          type: string
+                        exclude:
+                          type: BoolString
+                        image:
+                          type: string
+                      required:
+                      - image
+                      type: object
                     exec:
                       properties:
                         args:

config/crds/troubleshoot.sh_supportbundles.yaml

@@ -2061,6 +2061,17 @@ spec:
                         timeout:
                           type: string
                       type: object
+                    etcd:
+                      properties:
+                        collectorName:
+                          type: string
+                        exclude:
+                          type: BoolString
+                        image:
+                          type: string
+                      required:
+                      - image
+                      type: object
                     exec:
                       properties:
                         args:

pkg/apis/troubleshoot/v1beta2/collector_shared.go

@@ -299,6 +299,11 @@ type DNS struct {
 	Timeout       string `json:"timeout,omitempty" yaml:"timeout,omitempty"`
 }
 
+type Etcd struct {
+	CollectorMeta `json:",inline" yaml:",inline"`
+	Image         string `json:"image" yaml:"image"`
+}
+
 type Collect struct {
 	ClusterInfo      *ClusterInfo      `json:"clusterInfo,omitempty" yaml:"clusterInfo,omitempty"`
 	ClusterResources *ClusterResources `json:"clusterResources,omitempty" yaml:"clusterResources,omitempty"`
@@ -329,6 +334,7 @@ type Collect struct {
 	Sonobuoy         *Sonobuoy         `json:"sonobuoy,omitempty" yaml:"sonobuoy,omitempty"`
 	NodeMetrics      *NodeMetrics      `json:"nodeMetrics,omitempty" yaml:"nodeMetrics,omitempty"`
 	DNS              *DNS              `json:"dns,omitempty" yaml:"dns,omitempty"`
+	Etcd             *Etcd             `json:"etcd,omitempty" yaml:"etcd,omitempty"`
 }
 
 func (c *Collect) AccessReviewSpecs(overrideNS string) []authorizationv1.SelfSubjectAccessReviewSpec {

pkg/apis/troubleshoot/v1beta2/zz_generated.deepcopy.go

@@ -126,6 +126,8 @@ func GetCollector(collector *troubleshootv1beta2.Collect, bundlePath string, nam
 		return &CollectNodeMetrics{collector.NodeMetrics, bundlePath, clientConfig, client, ctx, RBACErrors}, true
 	case collector.DNS != nil:
 		return &CollectDNS{collector.DNS, bundlePath, namespace, clientConfig, client, ctx, RBACErrors}, true
+	case collector.Etcd != nil:
+		return &CollectEtcd{collector.Etcd, bundlePath, clientConfig, client, ctx, RBACErrors}, true
 	default:
 		return nil, false
 	}
@@ -219,6 +221,8 @@ func getCollectorName(c interface{}) string {
 		collector = "node-metrics"
 	case *CollectDNS:
 		collector = "dns"
+	case *CollectEtcd:
+		collector = "etcd"
 	default:
 		collector = "<none>"
 	}