diff options
author | Mayra Cabrera <mcabrera@gitlab.com> | 2018-01-15 19:27:58 +0300 |
---|---|---|
committer | Kamil TrzciĆski <ayufan@ayufan.eu> | 2018-01-15 19:27:58 +0300 |
commit | 1827f398ad4bdcd348798424a2d9320d9945c641 (patch) | |
tree | 1985d2eec034626dc9d039aa0513771febc593a7 | |
parent | c2afd107ca2247e04a32523087a47f9d5309d832 (diff) |
Resolve "Managed Prometheus deployment installs a lot of extra stuff"
-rw-r--r-- | lib/gitlab/kubernetes/helm/install_command.rb | 6 | ||||
-rw-r--r-- | lib/gitlab/kubernetes/helm/pod.rb | 39 | ||||
-rw-r--r-- | spec/lib/gitlab/kubernetes/helm/install_command_spec.rb | 19 | ||||
-rw-r--r-- | spec/lib/gitlab/kubernetes/helm/pod_spec.rb | 10 | ||||
-rw-r--r-- | vendor/prometheus/values.yaml | 69 |
5 files changed, 105 insertions, 38 deletions
diff --git a/lib/gitlab/kubernetes/helm/install_command.rb b/lib/gitlab/kubernetes/helm/install_command.rb index 8d8c441a4b1..bf6981035f4 100644 --- a/lib/gitlab/kubernetes/helm/install_command.rb +++ b/lib/gitlab/kubernetes/helm/install_command.rb @@ -36,7 +36,11 @@ module Gitlab def complete_command(namespace_name) return unless chart - "helm install #{chart} --name #{name} --namespace #{namespace_name} >/dev/null" + if chart_values_file + "helm install #{chart} --name #{name} --namespace #{namespace_name} -f /data/helm/#{name}/config/values.yaml >/dev/null" + else + "helm install #{chart} --name #{name} --namespace #{namespace_name} >/dev/null" + end end def install_dps_command diff --git a/lib/gitlab/kubernetes/helm/pod.rb b/lib/gitlab/kubernetes/helm/pod.rb index 97ad3c97e95..a3216759cae 100644 --- a/lib/gitlab/kubernetes/helm/pod.rb +++ b/lib/gitlab/kubernetes/helm/pod.rb @@ -10,9 +10,10 @@ module Gitlab def generate spec = { containers: [container_specification], restartPolicy: 'Never' } + if command.chart_values_file - generate_config_map - spec['volumes'] = volumes_specification + create_config_map + spec[:volumes] = volumes_specification end ::Kubeclient::Resource.new(metadata: metadata, spec: spec) @@ -35,19 +36,39 @@ module Gitlab end def labels - { 'gitlab.org/action': 'install', 'gitlab.org/application': command.name } + { + 'gitlab.org/action': 'install', + 'gitlab.org/application': command.name + } end def metadata - { name: command.pod_name, namespace: namespace_name, labels: labels } + { + name: command.pod_name, + namespace: namespace_name, + labels: labels + } end def volume_mounts_specification - [{ name: 'config-volume', mountPath: '/etc/config' }] + [ + { + name: 'configuration-volume', + mountPath: "/data/helm/#{command.name}/config" + } + ] end def volumes_specification - [{ name: 'config-volume', configMap: { name: 'values-config' } }] + [ + { + name: 'configuration-volume', + configMap: { + name: 'values-content-configuration', + items: [{ key: 'values', path: 'values.yaml' }] + } + } + ] end def generate_pod_env(command) @@ -58,10 +79,10 @@ module Gitlab }.map { |key, value| { name: key, value: value } } end - def generate_config_map + def create_config_map resource = ::Kubeclient::Resource.new - resource.metadata = { name: 'values-config', namespace: namespace_name } - resource.data = YAML.load_file(command.chart_values_file) + resource.metadata = { name: 'values-content-configuration', namespace: namespace_name, labels: { name: 'values-content-configuration' } } + resource.data = { values: File.read(command.chart_values_file) } kubeclient.create_config_map(resource) end end diff --git a/spec/lib/gitlab/kubernetes/helm/install_command_spec.rb b/spec/lib/gitlab/kubernetes/helm/install_command_spec.rb index 4afe48e72ad..63997a40d52 100644 --- a/spec/lib/gitlab/kubernetes/helm/install_command_spec.rb +++ b/spec/lib/gitlab/kubernetes/helm/install_command_spec.rb @@ -100,6 +100,25 @@ describe Gitlab::Kubernetes::Helm::InstallCommand do is_expected.to eq(command) end end + + context 'when chart values file is present' do + let(:install_command) { described_class.new(prometheus.name, chart: prometheus.chart, chart_values_file: prometheus.chart_values_file) } + let(:command) do + <<~MSG.chomp + set -eo pipefail + apk add -U ca-certificates openssl >/dev/null + wget -q -O - https://kubernetes-helm.storage.googleapis.com/helm-v2.7.0-linux-amd64.tar.gz | tar zxC /tmp >/dev/null + mv /tmp/linux-amd64/helm /usr/bin/ + + helm init --client-only >/dev/null + helm install #{prometheus.chart} --name #{prometheus.name} --namespace #{namespace.name} -f /data/helm/#{prometheus.name}/config/values.yaml >/dev/null + MSG + end + + it 'should return appropriate command' do + is_expected.to eq(command) + end + end end describe "#pod_name" do diff --git a/spec/lib/gitlab/kubernetes/helm/pod_spec.rb b/spec/lib/gitlab/kubernetes/helm/pod_spec.rb index 906b10b96d4..0b8e97b8948 100644 --- a/spec/lib/gitlab/kubernetes/helm/pod_spec.rb +++ b/spec/lib/gitlab/kubernetes/helm/pod_spec.rb @@ -52,18 +52,20 @@ describe Gitlab::Kubernetes::Helm::Pod do it 'should include volumes for the container' do container = subject.generate.spec.containers.first - expect(container.volumeMounts.first['name']).to eq('config-volume') - expect(container.volumeMounts.first['mountPath']).to eq('/etc/config') + expect(container.volumeMounts.first['name']).to eq('configuration-volume') + expect(container.volumeMounts.first['mountPath']).to eq("/data/helm/#{app.name}/config") end it 'should include a volume inside the specification' do spec = subject.generate.spec - expect(spec.volumes.first['name']).to eq('config-volume') + expect(spec.volumes.first['name']).to eq('configuration-volume') end it 'should mount configMap specification in the volume' do spec = subject.generate.spec - expect(spec.volumes.first.configMap['name']).to eq('values-config') + expect(spec.volumes.first.configMap['name']).to eq('values-content-configuration') + expect(spec.volumes.first.configMap['items'].first['key']).to eq('values') + expect(spec.volumes.first.configMap['items'].first['path']).to eq('values.yaml') end end diff --git a/vendor/prometheus/values.yaml b/vendor/prometheus/values.yaml index dd9496deb4d..fdc687b8980 100644 --- a/vendor/prometheus/values.yaml +++ b/vendor/prometheus/values.yaml @@ -1,32 +1,35 @@ -alertmanager: | +alertmanager: enabled: false -kubeStateMetrics: | - enabled: 'false' +kubeStateMetrics: + enabled: false -nodeExporter: | - enabled: 'false' +nodeExporter: + enabled: false -pushgateway: | - enabled: 'false' +pushgateway: + enabled: false -serverFiles: | - alerts: '' - rules: '' +serverFiles: + alerts: "" + rules: "" prometheus.yml: |- - rule_files: | + rule_files: - /etc/config/rules - /etc/config/alerts - scrape_configs: | + + scrape_configs: - job_name: prometheus - static_configs: | + static_configs: - targets: - localhost:9090 - job_name: 'kubernetes-apiservers' - kubernetes_sd_configs: | + + kubernetes_sd_configs: - role: endpoints + scheme: https tls_config: @@ -37,14 +40,17 @@ serverFiles: | - source_labels: [__meta_kubernetes_namespace, __meta_kubernetes_service_name, __meta_kubernetes_endpoint_port_name] action: keep regex: default;kubernetes;https + - job_name: 'kubernetes-nodes' scheme: https tls_config: ca_file: /var/run/secrets/kubernetes.io/serviceaccount/ca.crt insecure_skip_verify: true bearer_token_file: /var/run/secrets/kubernetes.io/serviceaccount/token + kubernetes_sd_configs: - role: node + relabel_configs: - action: labelmap regex: __meta_kubernetes_node_label_(.+) @@ -54,14 +60,15 @@ serverFiles: | regex: (.+) target_label: __metrics_path__ replacement: /api/v1/nodes/${1}/proxy/metrics - - job_name: 'kubernetes-service-endpoints' + kubernetes_sd_configs: - role: endpoints - relabel_configs: | + + relabel_configs: - source_labels: [__meta_kubernetes_service_annotation_prometheus_io_scrape] action: keep - regex: 'true' + regex: true - source_labels: [__meta_kubernetes_service_annotation_prometheus_io_scheme] action: replace target_label: __scheme__ @@ -83,24 +90,30 @@ serverFiles: | - source_labels: [__meta_kubernetes_service_name] action: replace target_label: kubernetes_name + - job_name: 'prometheus-pushgateway' honor_labels: true - kubernetes_sd_configs: | + + kubernetes_sd_configs: - role: service - relabel_configs: | + + relabel_configs: - source_labels: [__meta_kubernetes_service_annotation_prometheus_io_probe] action: keep regex: pushgateway - job_name: 'kubernetes-services' + metrics_path: /probe - params: | + params: module: [http_2xx] - kubernetes_sd_configs: | + + kubernetes_sd_configs: - role: service - relabel_configs: | + + relabel_configs: - source_labels: [__meta_kubernetes_service_annotation_prometheus_io_probe] action: keep - regex: 'true' + regex: true - source_labels: [__address__] target_label: __param_target - target_label: __address__ @@ -113,17 +126,25 @@ serverFiles: | target_label: kubernetes_namespace - source_labels: [__meta_kubernetes_service_name] target_label: kubernetes_name + - job_name: 'kubernetes-pods' + kubernetes_sd_configs: - role: pod + relabel_configs: - source_labels: [__meta_kubernetes_pod_annotation_prometheus_io_scrape] action: keep - regex: 'true' + regex: true - source_labels: [__meta_kubernetes_pod_annotation_prometheus_io_path] action: replace target_label: __metrics_path__ regex: (.+) + - source_labels: [__address__, __meta_kubernetes_pod_annotation_prometheus_io_port] + action: replace + regex: (.+):(?:\d+);(\d+) + replacement: ${1}:${2} + target_label: __address__ - action: labelmap regex: __meta_kubernetes_pod_label_(.+) - source_labels: [__meta_kubernetes_namespace] |