debian-mirror-gitlab/spec/requests/health_controller_spec.rb

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# frozen_string_literal: true
require 'spec_helper'
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RSpec.describe HealthController, feature_category: :database do
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include StubENV
let(:token) { Gitlab::CurrentSettings.health_check_access_token }
let(:whitelisted_ip) { '1.1.1.1' }
let(:not_whitelisted_ip) { '2.2.2.2' }
let(:params) { {} }
let(:headers) { {} }
before do
allow(Settings.monitoring).to receive(:ip_whitelist).and_return([whitelisted_ip])
stub_storage_settings({}) # Hide the broken storage
stub_env('IN_MEMORY_APPLICATION_SETTINGS', 'false')
end
shared_context 'endpoint querying database' do
it 'does query database' do
control_count = ActiveRecord::QueryRecorder.new { subject }.count
expect(control_count).not_to be_zero
end
end
shared_context 'endpoint not querying database' do
it 'does not query database' do
control_count = ActiveRecord::QueryRecorder.new { subject }.count
expect(control_count).to be_zero
end
end
shared_context 'endpoint not found' do
it 'responds with resource not found' do
subject
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expect(response).to have_gitlab_http_status(:not_found)
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end
end
describe 'GET /-/health' do
subject { get '/-/health', params: params, headers: headers }
shared_context 'endpoint responding with health data' do
it 'responds with health checks data' do
subject
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expect(response).to have_gitlab_http_status(:ok)
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expect(response.body).to eq('GitLab OK')
end
end
context 'accessed from whitelisted ip' do
before do
stub_remote_addr(whitelisted_ip)
end
it_behaves_like 'endpoint responding with health data'
it_behaves_like 'endpoint not querying database'
end
context 'accessed from not whitelisted ip' do
before do
stub_remote_addr(not_whitelisted_ip)
end
it_behaves_like 'endpoint not querying database'
it_behaves_like 'endpoint not found'
end
end
describe 'GET /-/readiness' do
subject { get '/-/readiness', params: params, headers: headers }
shared_context 'endpoint responding with readiness data' do
context 'when requesting instance-checks' do
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context 'when Puma runs in Clustered mode' do
before do
allow(Gitlab::Runtime).to receive(:puma_in_clustered_mode?).and_return(true)
end
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it 'responds with readiness checks data' do
expect(Gitlab::HealthChecks::MasterCheck).to receive(:check) { true }
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subject
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expect(json_response).to include({ 'status' => 'ok' })
expect(json_response['master_check']).to contain_exactly({ 'status' => 'ok' })
end
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it 'responds with readiness checks data when a failure happens' do
expect(Gitlab::HealthChecks::MasterCheck).to receive(:check) { false }
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subject
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expect(json_response).to include({ 'status' => 'failed' })
expect(json_response['master_check']).to contain_exactly(
{ 'status' => 'failed', 'message' => 'unexpected Master check result: false' })
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expect(response).to have_gitlab_http_status(:service_unavailable)
expect(response.headers['X-GitLab-Custom-Error']).to eq(1)
end
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end
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context 'when Puma runs in Single mode' do
before do
allow(Gitlab::Runtime).to receive(:puma_in_clustered_mode?).and_return(false)
end
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it 'does not invoke MasterCheck, succeedes' do
expect(Gitlab::HealthChecks::MasterCheck).not_to receive(:check) { true }
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subject
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expect(json_response).to eq('status' => 'ok')
end
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end
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end
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context 'when requesting all checks' do
shared_context 'endpoint responding with readiness data for all checks' do
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before do
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params.merge!(all: true)
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end
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it 'responds with readiness checks data' do
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subject
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expect(json_response['db_check']).to contain_exactly({ 'status' => 'ok' })
expect(json_response['cache_check']).to contain_exactly({ 'status' => 'ok' })
expect(json_response['queues_check']).to contain_exactly({ 'status' => 'ok' })
expect(json_response['shared_state_check']).to contain_exactly({ 'status' => 'ok' })
expect(json_response['gitaly_check']).to contain_exactly(
{ 'status' => 'ok', 'labels' => { 'shard' => 'default' } })
end
it 'responds with readiness checks data when a failure happens' do
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allow(Gitlab::HealthChecks::Redis::SharedStateCheck).to receive(:readiness).and_return(
Gitlab::HealthChecks::Result.new('shared_state_check', false, "check error"))
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subject
expect(json_response['cache_check']).to contain_exactly({ 'status' => 'ok' })
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expect(json_response['shared_state_check']).to contain_exactly(
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{ 'status' => 'failed', 'message' => 'check error' })
expect(response).to have_gitlab_http_status(:service_unavailable)
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expect(response.headers['X-GitLab-Custom-Error']).to eq(1)
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end
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it 'checks all redis instances' do
expected_redis_checks = Gitlab::Redis::ALL_CLASSES.map do |redis|
{ "#{redis.store_name.underscore}_check" => [{ 'status' => 'ok' }] }
end
subject
expect(json_response).to include(*expected_redis_checks)
end
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context 'when DB is not accessible and connection raises an exception' do
before do
expect(Gitlab::HealthChecks::DbCheck)
.to receive(:readiness)
.and_raise(PG::ConnectionBad, 'could not connect to server')
end
it 'responds with 500 including the exception info' do
subject
expect(response).to have_gitlab_http_status(:internal_server_error)
expect(response.headers['X-GitLab-Custom-Error']).to eq(1)
expect(json_response).to eq(
{ 'status' => 'failed', 'message' => 'PG::ConnectionBad : could not connect to server' })
end
end
context 'when any exception happens during the probing' do
before do
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expect(Gitlab::HealthChecks::Redis::CacheCheck)
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.to receive(:readiness)
.and_raise(::Redis::CannotConnectError, 'Redis down')
end
it 'responds with 500 including the exception info' do
subject
expect(response).to have_gitlab_http_status(:internal_server_error)
expect(response.headers['X-GitLab-Custom-Error']).to eq(1)
expect(json_response).to eq(
{ 'status' => 'failed', 'message' => 'Redis::CannotConnectError : Redis down' })
end
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end
end
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context 'when Puma runs in Clustered mode' do
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before do
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allow(Gitlab::Runtime).to receive(:puma_in_clustered_mode?).and_return(true)
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end
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it_behaves_like 'endpoint responding with readiness data for all checks'
end
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context 'when Puma runs in Single mode' do
before do
allow(Gitlab::Runtime).to receive(:puma_in_clustered_mode?).and_return(false)
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end
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it_behaves_like 'endpoint responding with readiness data for all checks'
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end
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end
end
context 'accessed from whitelisted ip' do
before do
stub_remote_addr(whitelisted_ip)
end
it_behaves_like 'endpoint not querying database'
it_behaves_like 'endpoint responding with readiness data'
context 'when requesting all checks' do
before do
params.merge!(all: true)
end
it_behaves_like 'endpoint querying database'
end
end
context 'accessed from not whitelisted ip' do
before do
stub_remote_addr(not_whitelisted_ip)
end
it_behaves_like 'endpoint not querying database'
it_behaves_like 'endpoint not found'
end
context 'accessed with valid token' do
context 'token passed in request header' do
let(:headers) { { TOKEN: token } }
it_behaves_like 'endpoint responding with readiness data'
it_behaves_like 'endpoint querying database'
end
context 'token passed as URL param' do
let(:params) { { token: token } }
it_behaves_like 'endpoint responding with readiness data'
it_behaves_like 'endpoint querying database'
end
end
end
describe 'GET /-/liveness' do
subject { get '/-/liveness', params: params, headers: headers }
shared_context 'endpoint responding with liveness data' do
it 'responds with liveness checks data' do
subject
expect(json_response).to eq('status' => 'ok')
end
end
context 'accessed from whitelisted ip' do
before do
stub_remote_addr(whitelisted_ip)
end
it_behaves_like 'endpoint not querying database'
it_behaves_like 'endpoint responding with liveness data'
end
context 'accessed from not whitelisted ip' do
before do
stub_remote_addr(not_whitelisted_ip)
end
it_behaves_like 'endpoint not querying database'
it_behaves_like 'endpoint not found'
context 'accessed with valid token' do
context 'token passed in request header' do
let(:headers) { { TOKEN: token } }
it_behaves_like 'endpoint responding with liveness data'
it_behaves_like 'endpoint querying database'
end
context 'token passed as URL param' do
let(:params) { { token: token } }
it_behaves_like 'endpoint responding with liveness data'
it_behaves_like 'endpoint querying database'
end
end
end
end
def stub_remote_addr(ip)
headers.merge!(REMOTE_ADDR: ip)
end
end